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Boiler reviews

Reviews of 231 condensing boilers and 40 Best Buys
Top brands including Baxi, Ideal, Glow-worm, Grant, Potterton, Vaillant, and Worcester
Gas and oil condensing boilers, including combi boilers, system boiler and heat-only boilers

Boilers

- Best Buys The top 40 boilers we recommend

We've reviewed 231 boilers

Ordered by most recent launch date

Glow-Worm
Betacom2 24
From £1,290.00

Launch: Jun 2012
Glow-Worm
Betacom2 28
From £1,500.00

Launch: Jun 2012
Glow-Worm
Easicom 24
From £630.00

Launch: Jun 2012
Glow-Worm
Easicom 28
From £660.00

Launch: Jun 2012
Potterton
Titanium 24
From £810.00

Launch: May 2012

Potterton
Titanium 28
From £970.00

Launch: May 2012
Potterton
Titanium 33
From £930.00

Launch: May 2012
Potterton
Titanium 40
From £1,000.00

Launch: May 2012
Alpha
CD13R
From £610.00

Launch: Mar 2012
Alpha
CD18R
From £660.00

Launch: Mar 2012

Alpha
CD24R
From £750.00

Launch: Mar 2012
Alpha
Intec12S
From £690.00

Launch: Mar 2012
Alpha
Intec18S
From £720.00

Launch: Mar 2012
Alpha
Intec28S
From £780.00

Launch: Mar 2012
Glow-Worm
Flexicom 18sx
From £620.00

Launch: Mar 2012

Glow-Worm
Flexicom 30sx
From £690.00

Launch: Mar 2012
Glow-Worm
Ultracom2 12sxi
From £630.00

Launch: Mar 2012
Glow-Worm
Ultracom2 18sxi
From £700.00

Launch: Mar 2012
Glow-Worm
Ultracom2 30sxi
From £800.00

Launch: Mar 2012
Viessmann
Vitodens 100-W Compact 13kW
From £730.00

Launch: Mar 2012

Viessmann
Vitodens 100-W Compact 16kW
From £750.00

Launch: Mar 2012
Viessmann
Vitodens 100-W Compact 19kW
From £770.00

Launch: Mar 2012
Viessmann
Vitodens 100-W Compact 26kW
From £820.00

Launch: Mar 2012
Viessmann
Vitodens 100-W System 26kW
From £910.00

Launch: Mar 2012
Viessmann
Vitodens 100-W System 30kW
From £940.00

Launch: Mar 2012

Viessmann
Vitodens 100-W System 35kW
From £1,000.00

Launch: Mar 2012
Viessmann
Vitodens 200-W System 19kW
From £940.00

Launch: Mar 2012
Viessmann
Vitodens 200-W System 26kW
From £1,040.00

Launch: Mar 2012
Viessmann
Vitodens 200-W System 30kW
From £1,130.00

Launch: Mar 2012
Viessmann
Vitodens 200-W System 35kW
From £1,170.00

Launch: Mar 2012

Ideal
Logic Combi E 24
From £690.00

Launch: Nov 2011
Ideal
Logic Combi E 30
From £780.00

Launch: Nov 2011
Ideal
Logic Combi E 35
From £900.00

Launch: Nov 2011
Alpha
Intec26C
From £780.00

Launch: Oct 2011
Alpha
Intec30C
From £830.00

Launch: Oct 2011

Alpha
Intec34C
From £900.00

Launch: Oct 2011
Alpha
Intec24X
From £570.00

Launch: Jul 2011
Alpha
Intec28X
From £620.00

Launch: Jul 2011
Baxi
Duo-tec 2 Combi 24 GA
From £790.00

Launch: Jul 2011
Baxi
Duo-tec 2 Combi 28 GA
From £900.00

Launch: Jul 2011

Baxi
Duo-tec 2 Combi 33 GA
From £910.00

Launch: Jul 2011
Baxi
Duo-tec 2 Combi 40 GA
From £960.00

Launch: Jul 2011
Baxi
Megaflo 2 System compact 12 GA
From £680.00

Launch: Jul 2011
Baxi
Megaflo 2 System compact 15 GA
From £700.00

Launch: Jul 2011
Baxi
Megaflo 2 System compact 18 GA
From £720.00

Launch: Jul 2011

Baxi
Megaflo 2 System compact 24 GA
From £780.00

Launch: Jul 2011
Baxi
Megaflo 2 System compact 28 GA
From £830.00

Launch: Jul 2011
Baxi
Megaflo 2 System compact 32 GA
From £840.00

Launch: Jul 2011
Baxi
Neta-tec combi 24 GA
From £640.00

Launch: Jul 2011
Baxi
Neta-tec combi 28 GA
From £720.00

Launch: Jul 2011

Baxi
Neta-tec combi 33 GA
From £800.00

Launch: Jul 2011
Ideal
Logic+ 24
From £760.00

Launch: Jul 2011
Ideal
Logic+ 30
From £860.00

Launch: Jul 2011
Ideal
Logic+ 35
From £890.00

Launch: Jul 2011
Ideal
Logic Code Combi 26
From £1,000.00

Launch: Jul 2011

Ideal
Logic Code Combi 33
From £1,070.00

Launch: Jul 2011
Ideal
Logic code Combi 38
From £1,200.00

Launch: Jul 2011
Ideal
Logic+ Heat 12
From £590.00

Launch: Jul 2011
Ideal
Logic Heat 12
From £590.00

Launch: Jul 2011
Ideal
Logic+ Heat 15
From £630.00

Launch: Jul 2011

Ideal
Logic Heat 15
From £620.00

Launch: Jul 2011
Ideal
Logic+ Heat 18
From £730.00

Launch: Jul 2011
Ideal
Logic Heat 18
From £650.00

Launch: Jul 2011
Ideal
Logic+ Heat 24
From £760.00

Launch: Jul 2011
Ideal
Logic Heat 24
From £680.00

Launch: Jul 2011

Ideal
Logic+ Heat 30
From £860.00

Launch: Jul 2011
Ideal
Logic Heat 30
From £780.00

Launch: Jul 2011
Ideal
Logic+ System 15
From £780.00

Launch: Jul 2011
Ideal
Logic System 15
From £670.00

Launch: Jul 2011
Ideal
Logic+ System 18
From £810.00

Launch: Jul 2011

Ideal
Logic System 18
From £700.00

Launch: Jul 2011
Ideal
Logic+ System 24
From £850.00

Launch: Jul 2011
Ideal
Logic System 24
From £730.00

Launch: Jul 2011
Ideal
Logic+ System 30
From £870.00

Launch: Jul 2011
Ideal
Logic System 30
From £780.00

Launch: Jul 2011

Viessmann
Vitodens 200-W Combi 26kW
From £1,110.00

Launch: Jun 2011
Viessmann
Vitodens 200-W Combi 30kW
From £1,170.00

Launch: Jun 2011
Alpha
CD50 Storage
From £1,450.00

Launch: Sep 2010
Glow-Worm
Ultrapower 100 sxi
From £1,590.00

Launch: Sep 2010
Glow-Worm
Ultrapower 170 sxi
From £1,740.00

Launch: Sep 2010

Viessmann
Vitodens 100-W Combi 26kW
From £750.00

Launch: Sep 2010
Viessmann
Vitodens 100-W Combi 30kW
From £950.00

Launch: Sep 2010
Viessmann
Vitodens 100-W Combi 35kW
From £1,000.00

Launch: Sep 2010
Viessmann
Vitodens 200-W Combi 35kW
From £1,240.00

Launch: Aug 2010
Viessmann
Vitodens 222-F 19kW
From £2,150.00

Launch: Aug 2010

Viessmann
Vitodens 222-F 26kW
From £2,210.00

Launch: Aug 2010
Viessmann
Vitodens 222-F 35kW
From £2,260.00

Launch: Aug 2010
Viessmann
Vitodens 242-F 19kW
From £4,870.00

Launch: Aug 2010
Viessmann
Vitodens 242-F 26kW
From £5,030.00

Launch: Aug 2010
Baxi
Platinum C24 HE A
From £910.00

Baxi
Platinum C28 HE A
From £1,030.00
Baxi
Platinum C33 HE A
From £1,170.00
Baxi
Platinum C40 HE A
From £1,290.00
Baxi
Solo 12 HE A
From £640.00
Baxi
Solo 15 HE A
From £680.00

Baxi
Solo 18 HE A
From £740.00
Baxi
Solo 24 HE A
From £780.00
Baxi
Solo 30 HE A
From £830.00
Glow-Worm
Flexicom 12hx
From £550.00
Glow-Worm
Flexicom 15hx
From £580.00

Glow-Worm
Flexicom 18hx
From £610.00
Glow-Worm
Flexicom 24cx
From £620.00
Glow-Worm
Flexicom 24hx
From £640.00
Glow-Worm
Flexicom 30cx
From £680.00
Glow-Worm
Flexicom 30hx
From £700.00

Glow-Worm
Ultracom2 35 store
From £1,310.00
Grant
Vortex Eco Outdoor 15-21
From £1,250.00
Grant
Vortex Eco Outdoor 21-26
From £1,400.00
Grant
Vortex Eco Outdoor 26-35
From £1,560.00
Grant
Vortex Eco Utility 15-21
From £1,070.00

Grant
Vortex Eco Utility 21-26
From £1,180.00
Grant
Vortex Eco Utility 26-35
From £1,400.00
Grant
Vortex Eco Wall Hung External 12-16
From £1,500.00
Grant
Vortex Eco Wall Hung External 16-21
From £1,590.00
Grant
Vortex Eco Wall Hung Internal 12-16
From £1,350.00

Grant
Vortex Eco Wall Hung Internal 16-21
From £1,280.00
Grant
Vortex Pro External 15-21
From £1,370.00
Grant
Vortex Pro External 15-26
From £1,540.00
Grant
Vortex Pro External 26-36
From £1,830.00
Grant
Vortex Pro External 36-46
From £2,060.00

Grant
Vortex Pro External combi 21e
From £2,000.00
Grant
Vortex Pro External combi 26e
From £2,160.00
Grant
Vortex Pro Internal Combi 21e
From £1,910.00
Grant
Vortex Pro Internal Combi 26e
From £1,990.00
Grant
Vortex Pro Internal Combi 36e
From £2,160.00

Grant
Vortex Pro kitchen 15-21
From £1,290.00
Grant
Vortex Pro kitchen 15-26
From £1,270.00
Grant
Vortex Pro kitchen 26-36
From £1,630.00
Grant
Vortex Pro kitchen 36-46
From £1,810.00
Grant
Vortex Pro kitchen 46-58
From £1,840.00

Grant
Vortex Pro kitchen 58-70
From £2,180.00
Ideal
Mexico HE 15
From £830.00
Ideal
Mexico HE 18
From £890.00
Ideal
Mexico HE 24
From £1,230.00
Ideal
Mexico HE 30
From £1,500.00

Ideal
Mexico HE 36
From £2,060.00
Potterton
Gold Combi 24 HE A
From £670.00
Potterton
Gold Combi 28 HE A
From £730.00
Potterton
Gold Combi 33 HE A
From £790.00
Potterton
Heatmax Combi 24 HE
From £640.00

Potterton
Heatmax Combi 28 HE
From £690.00
Potterton
Promax 12 SL
From £580.00
Potterton
Promax 15 HE Plus
From £660.00
Potterton
Promax 15 SL
From £680.00
Potterton
Promax 18 SL
From £690.00

Potterton
Promax 24 HE Plus
From £690.00
Potterton
Promax 24 SL
From £730.00
Potterton
Promax 30 HE Plus
From £750.00
Potterton
Promax 30 SL
From £850.00
Potterton
Promax Combi 24 HE Plus A
From £690.00

Potterton
Promax Combi 28 HE Plus A
From £750.00
Potterton
Promax Combi 33 HE Plus A
From £870.00
Potterton
Promax System 12 HE Plus A
From £650.00
Potterton
Promax System 15 HE Plus A
From £670.00
Potterton
Promax System 18 HE Plus A
From £680.00

Potterton
Promax System 24 HE Plus A
From £890.00
Potterton
Promax System 32 HE Plus A
From £790.00
Vaillant
ecoTEC exclusive 832
From £1,190.00
Vaillant
ecoTEC exclusive 838
From £1,260.00
Vaillant
ecoTEC plus 415
From £690.00

Vaillant
ecoTEC plus 418
From £770.00
Vaillant
ecoTEC plus 428
From £850.00
Vaillant
ecoTEC plus 438
From £1,290.00
Vaillant
ecoTEC plus 612
From £760.00
Vaillant
ecoTEC plus 615
From £790.00

Vaillant
ecoTEC plus 618
From £880.00
Vaillant
ecoTEC plus 624
From £1,000.00
Vaillant
ecoTEC plus 630
From £1,110.00
Vaillant
ecoTEC plus 637
From £1,170.00
Vaillant
ecoTEC plus 824
From £950.00

Vaillant
ecoTEC plus 831
From £1,040.00
Vaillant
ecoTEC plus 837
From £1,180.00
Vaillant
ecoTEC plus 937
From £1,330.00
Vaillant
ecoTEC pro 24
From £760.00
Vaillant
ecoTEC pro 28
From £850.00

Worcester
Greenstar 12i System
From £710.00
Worcester
Greenstar 12Ri
From £630.00
Worcester
Greenstar 15i System
From £750.00
Worcester
Greenstar 15Ri
From £730.00
Worcester
Greenstar 18i System
From £780.00

Worcester
Greenstar 18Ri
From £720.00
Worcester
Greenstar 24i Junior
From £740.00
Worcester
Greenstar 24i System
From £810.00
Worcester
Greenstar 24Ri
From £770.00
Worcester
Greenstar 25Si
From £830.00

Worcester
Greenstar 28i Junior
From £830.00
Worcester
Greenstar 29Cdi Classic
From £920.00
Worcester
Greenstar 30CDi Regular
From £1,270.00
Worcester
Greenstar 30Si
From £930.00
Worcester
Greenstar 34Cdi Classic
From £880.00

Worcester
Greenstar 38Cdi Classic
From £1,160.00
Worcester
Greenstar 40CDi Regular
From £1,320.00
Worcester
Greenstar 42Cdi
From £1,480.00
Worcester
Greenstar Camray 12-18
From £1,110.00
Worcester
Greenstar Camray 18-25
From £1,210.00

Worcester
Greenstar Camray 25-32
From £1,530.00
Worcester
Greenstar Camray External 12-18
From £1,340.00
Worcester
Greenstar Camray External 18-25
From £1,390.00
Worcester
Greenstar Camray External 25-32
From £1,730.00
Worcester
Greenstar Camray External System 12-18
From £1,550.00

Worcester
Greenstar Camray External System 18-25
From £1,710.00
Worcester
Greenstar Camray External System 25-32
From £2,000.00
Worcester
Greenstar Camray System 12-18
From £1,340.00
Worcester
Greenstar Camray System 18-25
From £1,210.00
Worcester
Greenstar Camray System 25-32
From £1,530.00

Worcester
Greenstar Camray Utility 12-18
From £1,110.00
Worcester
Greenstar Camray Utility 18-25
From £1,210.00
Worcester
Greenstar Camray Utility 25-32
From £1,520.00
Worcester
Greenstar Camray Utility System 12-18
From £1,250.00
Worcester
Greenstar Camray Utility System 18-25
From £1,330.00

Worcester
Greenstar Camray Utility System 25-32
From £1,700.00
Worcester
Greenstar Danesmoor WM 12-18
From £1,560.00
Worcester
Greenstar Danesmoor WM 18-25
From £1,720.00
Worcester
Greenstar FS 30CDi Regular
From £1,270.00
Worcester
Greenstar FS 42CDi Regular
From £1,650.00

Worcester
Greenstar Heatslave 12/18
From £1,850.00
Worcester
Greenstar Heatslave 18/25
From £1,920.00
Worcester
Greenstar Heatslave 25/32
From £2,100.00
Worcester
Greenstar Heatslave External 12-18
From £1,830.00
Worcester
Greenstar Heatslave External 18-25
From £1,930.00

Worcester
Greenstar Heatslave External 25-32
From £2,090.00
Worcester
Greenstar Highflow 440Cdi
From £1,640.00
Worcester
Greenstar Highflow 550Cdi
From £1,970.00
Worcester
Greenstar Utility 18-25
From £1,220.00
Worcester
Greenstar Utility 32-50
From £1,740.00

Worcester
Greenstar Utility 50-70
From £1,870.00

Help

Best Buys
The Which? Best Buy award is given to products with high total test scores that perform consistently well in our rigorous lab tests and excel in all key areas.

Energy Savers
We award the Energy Saver logo to products that our testing shows are very energy efficient, meaning they'll cost you less to run.

Don't Buys
The Which? Don't Buy logo alerts you to the products that performed extremely poorly in one or more key areas of our tests.

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