Boiler Manufacturers That Begin with the Letter “W”

See below for a list of central heating boiler manufacturers and the respective model names/numbers. Each shows the respective SAP rating so you can determine the energy efficiency of the boiler model.

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow 120/150 Bluebird | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow 50/70 Bluebird | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow 70/90 Bluebird | SAP » 83 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow 90/120 Bluebird | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Bluebird 120/150 BB | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Bluebird 150/200BB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Bluebird 50/70 BB | SAP » 85.1 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Bluebird 70/90 BB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Bluebird 90/120 BB | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Boilerhouse B1 | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Combi 70/90 Combi | SAP » 82.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Combi 70/90 Kabin Pak | SAP » 82.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Combi C90HE | SAP » 90 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Goldbird 120/150 GB | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Goldbird 150/200GB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Goldbird 50/70 GB | SAP » 85.1 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Goldbird 70/90 GB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Goldbird 90/120 GB | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak 50/70 KP | SAP » 85.1 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak 70/90 KP | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak 90/120 KP | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak K120HE | SAP » 92.4 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak K150HE | SAP » 91.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak K70HE | SAP » 92.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak K90 | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak K90HE | SAP » 92.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak KC90 | SAP » 82.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak KC90HE | SAP » 90 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak KP150HE | SAP » 91.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak KP70HE | SAP » 92.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak KP90 | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Kabin Pak KP90HE | SAP » 92.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow System S70HE | SAP » 92.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow System S90HE | SAP » 92.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow System Whitebird 50/70 SWB | SAP » 85.1 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow System Whitebird 70/90 SWB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility U120HE | SAP » 92.4 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility U70HE | SAP » 92.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility U90 | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility U90HE | SAP » 92.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility UC90 | SAP » 82.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility UC90HE | SAP » 90 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility UP150HE | SAP » 91.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility UP70HE | SAP » 92.2 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility UP90 | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Utility UP90HE | SAP » 92.8 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Wall Mounted 50/70 External | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Wall Mounted 50/70 Internal | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Whitebird 120/150 WB | SAP » 85.6 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Whitebird 150/200WB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Whitebird 50/70 WB | SAP » 85.1 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Whitebird 70/90 WB | SAP » 85 |

Boiler Manufacturer & Model » Warmflow Engineering – Warmflow Whitebird 90/120 WB | SAP » 85.6 |

Boiler Manufacturer & Model » Warmworld – FFC 30/60 | SAP » 87.5 |

Boiler Manufacturer & Model » Warmworld – FFC 65/80 | SAP » 86.5 |

Boiler Manufacturer & Model » Warmworld – FFC Combi | SAP » 87.1 |

Boiler Manufacturer & Model » Warmworld – FFC Combi | SAP » 88 |

Boiler Manufacturer & Model » Warmworld – Warmworld Combi | SAP » 85.5 |

Boiler Manufacturer & Model » Warmworld – Warmworld HE 30 | SAP » 84 |

Boiler Manufacturer & Model » Warmworld – Warmworld HE 40 | SAP » 84.4 |

Boiler Manufacturer & Model » Warmworld – Warmworld HE 50 | SAP » 85.1 |

Boiler Manufacturer & Model » Warmworld – Warmworld HE 70/80 | SAP » 84.7 |

Boiler Manufacturer & Model » Wickes – Wickes 40bf | SAP » 65 |

Boiler Manufacturer & Model » Wickes – Wickes 45f | SAP » 72 |

Boiler Manufacturer & Model » Wickes – Wickes 50bf | SAP » 65 |

Boiler Manufacturer & Model » Wickes – Wickes 65f | SAP » 72 |

Boiler Manufacturer & Model » Wickes – Wickes combi | SAP » 70 |

Boiler Manufacturer & Model » Wolf – CGB-11 | SAP » 90.2 |

Boiler Manufacturer & Model » Wolf – CGB-20 | SAP » 90.3 |

Boiler Manufacturer & Model » Wolf – CGB-20 | SAP » 91.7 |

Boiler Manufacturer & Model » Wolf – CGB-24 | SAP » 90.2 |

Boiler Manufacturer & Model » Wolf – CGB-24 | SAP » 91.5 |

Boiler Manufacturer & Model » Wolf – CGB-35 | SAP » 90.4 |

Boiler Manufacturer & Model » Wolf – CGB-35 | SAP » 92.3 |

Boiler Manufacturer & Model » Wolf – CGB-50 | SAP » 90.3 |

Boiler Manufacturer & Model » Wolf – CGB-50 | SAP » 92.1 |

Boiler Manufacturer & Model » Wolf – CGB-K-20 | SAP » 90.2 |

Boiler Manufacturer & Model » Wolf – CGB-K-20 | SAP » 91.6 |

Boiler Manufacturer & Model » Wolf – CGB-K-24 | SAP » 90.1 |

Boiler Manufacturer & Model » Wolf – CGB-K-24 | SAP » 91.5 |

Boiler Manufacturer & Model » Wolf – TGG-18 Topline Boiler | SAP » 80.4 |

Boiler Manufacturer & Model » Wolf – TGG-18 Topline Boiler | SAP » 82.3 |

Boiler Manufacturer & Model » Wolf – TGG-24 Topline Boiler | SAP » 80.4 |

Boiler Manufacturer & Model » Wolf – TGG-24 Topline Boiler | SAP » 82.3 |

Boiler Manufacturer & Model » Wolf – TGG-K-18 Topline Combi Boiler | SAP » 80.3 |

Boiler Manufacturer & Model » Wolf – TGG-K-18 Topline Combi Boiler | SAP » 82.2 |

Boiler Manufacturer & Model » Wolf – TGG-K-24 Topline Combi Boiler | SAP » 80.3 |

Boiler Manufacturer & Model » Wolf – TGG-K-24 Topline Combi Boiler | SAP » 82.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 430 | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 430 LPG | SAP » 92.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 430/I | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 430/I | SAP » 92.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 532 | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 532 LPG | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 532/I | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 532/I | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 537 | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 537 LPG | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 537/I | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 537/I | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 542 | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 542 LPG | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 542/I | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – British Gas 542/I | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 12i System | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 12i System | SAP » 91.4 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 15Ri | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 15Ri | SAP » 91.4 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 18Ri | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 18Ri | SAP » 91.4 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 24i System | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 24i System | SAP » 92 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 37 CDi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 37 CDi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 42 CDi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar 42 CDi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray 18/25 | SAP » 93.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray 25/32 | SAP » 94.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray 43435 | SAP » 93.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray External 18/25 | SAP » 93.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray External 25/32 | SAP » 94.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray External 43435 | SAP » 93.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray System 18/25 | SAP » 93.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray System 25/32 | SAP » 94.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray System 43435 | SAP » 93.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray Utility 18/25 | SAP » 93.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray Utility 25/32 | SAP » 94.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray Utility 43435 | SAP » 93.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray Utility System 18/25 | SAP » 93.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray Utility System 25/32 | SAP » 94.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Camray Utility System 43435 | SAP » 93.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar CDi 27 CDi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar CDi 27 CDi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 30 Cdi Conventional | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 30 Cdi Conventional | SAP » 92.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 30 Cdi System | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 30 Cdi System | SAP » 92.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar CDi 31 CDi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar CDi 31 CDi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 40 Cdi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 40 Cdi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 40 Cdi Conventional | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Cdi 40 Cdi Conventional | SAP » 92 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Danesmoor 18/25-OOO-GB | SAP » 92.9 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Heatslave 18/25-OSO-GB | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Heatslave 25/32 | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Heatslave 43435 | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Heatslave External 18/25 | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Heatslave External 25/32 | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Heatslave External 43435 | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Bosch Group – Worcester Greenstar Utility 18/25-OOO-GB | SAP » 92.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 428 | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 428 System | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 430i System | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 532 Combi | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 532i Combi | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 537i Combi | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD 542i Combi | SAP » 90 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas RD628 RSF | SAP » 78.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – British Gas/Scottish Gas C1 RSF | SAP » 78.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 14/19 CBi RSF | SAP » 79.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 14/19 CBi RSF | SAP » 81.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 15 CBi RSF | SAP » 76.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 15 Sbi RSF | SAP » 79.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 15 SBi RSF | SAP » 80.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 19/24 CBi RSF | SAP » 78.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 19/24 CBi RSF | SAP » 80.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 CBi RSF | SAP » 76.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 CDi – L OF | SAP » 78.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 CDi – L OF | SAP » 79.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 Cdi BF | SAP » 79.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 Cdi OF | SAP » 76.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 Cdi RSF | SAP » 76 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 CDi RSF-L | SAP » 78.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 CDi RSF-L | SAP » 80.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 I RSF | SAP » 76.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 LE RSF | SAP » 76 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 Sbi RSF | SAP » 78.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 SBi RSF | SAP » 80.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 SI II RSF | SAP » 78.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24 SI II RSF | SAP » 80.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 240 BF | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 240 CF | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 240 RSF | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 240bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 240of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 240rsf | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24CDi RSF Serial ASB | SAP » 78.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24CDi RSF Serial ASC | SAP » 80.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24i – L RSF | SAP » 78.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24i Junior | SAP » 78 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 24i Junior | SAP » 80 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 25 Si – L RSF | SAP » 78 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 25 Si – L RSF | SAP » 81.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 25 Si RSF | SAP » 77.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 25 Si RSF | SAP » 81.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 25Si – LL RSF | SAP » 78 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 25Si – LL RSF | SAP » 81.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 26 Cdi Xtra | SAP » 85.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 26 CDi Xtra RSF – L | SAP » 87.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 26 CDi Xtra RSF | SAP » 86.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 CDi – L RSF | SAP » 80.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 Cdi RSF | SAP » 78.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 CDi RSF | SAP » 79.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 LE RSF | SAP » 78.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 SI II RSF | SAP » 78.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 SI II RSF | SAP » 80 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 Si RSF | SAP » 78.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28 Si RSF | SAP » 81.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 280 RSF | SAP » 68 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 280rsf | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28i Junior | SAP » 78.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28i Junior | SAP » 81.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 28i RSF | SAP » 78 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 35 CDi II RSF | SAP » 78.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 35 CDi II RSF | SAP » 80.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 35 Cdi RSF | SAP » 78.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 80 ic RSF | SAP » 75.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 9.24electronicrsf | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 9.24electronicrsfe | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 9/14 CBi RSF | SAP » 78.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester 9/14 CBi RSF | SAP » 80.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch 50/70.000 | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch 70/90.000 | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch 70/90-000-NI-L | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch 90/110.000 | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch Greenstar ZWBR 7-25A | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch RX-2 RSF | SAP » 85.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas CC1 ZWB 7-29A | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas CS1 ZB 7-28A | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas ICC2 ZWBR 11-37A | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas ICC2 ZWBR 8-30A | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas ICS1 ZBR 8-35A | SAP » 90.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas ICS1 ZSBR 7-28A | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Bosch/British Gas RD529 ZWB 7-29 A | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 12/14.OOO | SAP » 84.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 12/14.ROO | SAP » 84.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 12/14-000-GB-L | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 12/14-R00-GB-L | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 15/19.OOO | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 15/19.ROO | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 20/25 – R00-GB-L | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 20/25.OOO | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 20/25.ROO | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 20/25-000-GB-L | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 26/32.OOO | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 26/32.ROO | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 32/50 – 000 -GB – L | SAP » 85.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 32/50.000 | SAP » 84.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 50/70 – 000 – GB – L | SAP » 85.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor 50/70.000 | SAP » 84.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor FS 18-25 | SAP » 85.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor FS 43435 | SAP » 85.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 12/14.OSO | SAP » 84.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 12/14.RSO | SAP » 84.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 12/14-0S0-GB-L System | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 12/14-RS0-GB-L System | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 15.19.OSO | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 15/19.RSO | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 20/25.OSO | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 20/25.RSO | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 20/25-0S0-GB-L System | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor System 20/25-RS0-GB-L System | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 12/14.OOO | SAP » 84.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 12/14.ROO | SAP » 84.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 12/14-000-GB-L Utility | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 12/14-R00-GB-L Utility | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 15/19.OOO | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 15/19.ROO | SAP » 85.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 20/25.OOO | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 20/25.ROO | SAP » 84.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 20/25-000-GB-L Utility | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 20/25-R00-GB-L Utility | SAP » 85.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 32/50 – 000 – GB – Utility – L | SAP » 85.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Utility 50/70 – 000 – GB – Utility – L | SAP » 85.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor Wall Mounted 12/19 – R00 – GB – L | SAP » 85.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Danesmoor WM 12/19 RS | SAP » 84.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Delglo 2bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Delglo 2of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Delglo 3bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Delglo 3of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 100 | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 40 | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 40 D type | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 50 | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 50 D type | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 60 D type | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 70 | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly HD II 80 | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Firefly PJ90-120 | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 12 Ri | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 12 Ri | SAP » 91.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 24 Ri | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 24 Ri | SAP » 92 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 24i junior | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 24i junior | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 25 Si | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 25 Si | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 28i junior | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 28i junior | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 29HE Conventional ZB 7-29 | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 30 Si | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar 30 Si | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar CDi 25 Cdi | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar CDi 25 Cdi | SAP » 92.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar CDi 30 CDi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar CDi 30 Cdi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar CDi 35 CDi | SAP » 90.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar CDi 35 Cdi | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar HE 12/22 RS | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar HE Plus ZWBR 11-35A | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar HE Plus ZWBR 7-28A | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar HE ZB 7-27A | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar HE ZWB 7-27A | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar Highflow 440 | SAP » 91 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar Highflow 440 | SAP » 92.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 25 HE Combi | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 25 HE Combi | SAP » 91.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 28 HE System | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 28 HE System | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 29 HE Conventional | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 29 HE Conventional | SAP » 91.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 30 HE Combi | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 30 HE Combi | SAP » 91.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 30 HE Plus Combi | SAP » 91.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 30HE Plus Combi | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 35 HE Plus Combi | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 35 HE plus Combi | SAP » 92.4 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 40 HE Conventional | SAP » 90.1 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 40 HE Conventional | SAP » 91.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 40 HE Plus Combi | SAP » 90 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar R 40 HE Plus Combi | SAP » 91.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar Utility 32/50-000-GB | SAP » 93 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar Utility 50/70-000-GB | SAP » 92.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar ZB 7-28 HE | SAP » 90.7 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar ZWB 7-25 HE Combi | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar ZWB 7-30 HE Combi | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar ZWBR 11-35 HE Plus | SAP » 90.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Greenstar ZWBR 7-30 HE Plus | SAP » 90.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heat Slave 12/14.OSO | SAP » 81.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heat Slave 12/14.RSO | SAP » 81.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heat Slave 15/19.OSO | SAP » 82.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heat Slave 15/19.RSO | SAP » 82.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heat Slave 20/25.OSO | SAP » 81.6 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heat Slave 20/25.RSO | SAP » 82.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 12/14-OSO-GB-L Oil Combi | SAP » 82.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 12/14RS | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 12/14-RSO-GB-L Oil Combi | SAP » 82.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 2 g40bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 2 g40of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 2 g50bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 2 g50of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 20/25-OSO-GB-L Oil Combi | SAP » 82.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 20/25RS | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 20/25-RSO-GB-L Oil Combi | SAP » 82.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 26/32-OSO-GB Oil Combi | SAP » 82.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 26/32-RSO-GB Oil Combi | SAP » 82.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 9.24bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 9.24of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave 9.24rsf | SAP » 70 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave highflow3.5rsf | SAP » 72 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave highflow4.5bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave highflow4.5of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave highflowbf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave highflowof | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave juniorbf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave juniorof | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave senior12bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave senior12of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave senior15bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave senior15of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave senior6bf | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Heatslave senior6of | SAP » 65 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester High Flow 400 BF | SAP » 75.9 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Highflow 400 Electronic BF BF | SAP » 80 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Highflow 400 Electronic OF OF | SAP » 78.5 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Highflow 400 Electronic RSF RSF | SAP » 78.8 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Highflow 400 Electronic RSF RSF | SAP » 80.3 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Highflow 400 OF | SAP » 75.2 |

Boiler Manufacturer & Model » Worcester Heat Systems – Worcester Highflow 400 RSF | SAP » 79.2 |

The boiler list section is broken down alphabetically to show all boilers in the order of manufacturer. Click on one of the letters below to search.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

The list can be used to research the SAP rating of your current boiler and/or collate a list of boilers with the most favourable SAP number (the higher, the more energy efficient).