Shop Best Rated Combi Boilers

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$1,365.00
Goodman GR9S800804BN 80,000 BTU 80% 1600 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$1,365.00
Goodman GR9S800804BN 80,000 BTU 80% 1600 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$1,820.00
Blueridge 96% AFUE 90,000 BTU High Efficiency Multi-Speed Upflow/Horizontal Furnace BG961UH090CE16
Alpine Home Air Products
$1,820.00
Blueridge 96% AFUE 90,000 BTU High Efficiency Multi-Speed Upflow/Horizontal Furnace BG961UH090CE16
Alpine Home Air Products
$2,000.00
Goodman GR9S960803BN 80,000 BTU 96% 1200 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$2,000.00
Goodman GR9S960803BN 80,000 BTU 96% 1200 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$2,499.00
Navien NCB-190/080H Combi Boiler/WH 160,000 DOM 80,000 Heat Nat/LP Gas
MyTanklesswaterHeater
Free shipping
$2,499.00
Navien NCB-190/080H Combi Boiler/WH 160,000 DOM 80,000 Heat Nat/LP Gas
MyTanklesswaterHeater
$1,404.99
Rheem IKONIC RECTGH-S11ip Professional Grade Super High Efficiency Condensing Tankless Liquid Propane Water Heater, 11.2 GPM
Amazon.com
Free shipping
$1,404.99
Rheem IKONIC RECTGH-S11ip Professional Grade Super High Efficiency Condensing Tankless Liquid Propane Water Heater, 11.2 GPM
Amazon.com
$2,971.00
Bosch Greenstar Combi 100P - 89K BTU - 95.0% AFUE - Combi Gas Boiler - Direct Vent
eComfort
$2,971.00
Bosch Greenstar Combi 100P - 89K BTU - 95.0% AFUE - Combi Gas Boiler - Direct Vent
eComfort
$2,487.00
Goodman GD9S961005CN 100,000 BTU 96% 2000 CFM Downflow/Horizontal Furnace
Alpine Home Air Products
$2,487.00
Goodman GD9S961005CN 100,000 BTU 96% 2000 CFM Downflow/Horizontal Furnace
Alpine Home Air Products
$2,596.00
Goodman GR9S961205DN 120,000 BTU 96% 2000 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$2,596.00
Goodman GR9S961205DN 120,000 BTU 96% 2000 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$462.14
Laars P2134400 Laars Manifold For Combi Boiler FTCW 140/199, P2134400 | Supplyhouse.Com
SupplyHouse.com
$462.14
Laars P2134400 Laars Manifold For Combi Boiler FTCW 140/199, P2134400 | Supplyhouse.Com
SupplyHouse.com
$1,645.55
NEW Rinnai rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
128
Free shipping
$1,645.55
NEW Rinnai rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
$2,866.00
Noritz NRCB180 - 92K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
eComfort
11
$2,866.00
Noritz NRCB180 - 92K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
eComfort
$2,081.00
Navien NHB-80 80,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
Free shipping
$2,081.00
Navien NHB-80 80,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
$1,001.00
Rheem Liquid Propane Condensing Tankless Water Heater Indoor Up To 6.8 GPM, 120,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
13
Free shipping
$1,001.00
Rheem Liquid Propane Condensing Tankless Water Heater Indoor Up To 6.8 GPM, 120,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
$1,678.00
Navien NPE-240S2 199,000 BTU Condensing Premiumgas Tankless Water Heater
MyTanklesswaterHeater
Free shipping
$1,678.00
Navien NPE-240S2 199,000 BTU Condensing Premiumgas Tankless Water Heater
MyTanklesswaterHeater
$2,292.00
Navien NHB-110 110,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
Free shipping
$2,292.00
Navien NHB-110 110,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
$3,069.76
Lochinvar NKC110N 110,000 BTU Noble Fire Tube Combi Boiler (NG) | Supplyhouse.Com
SupplyHouse.com
$3,069.76
Lochinvar NKC110N 110,000 BTU Noble Fire Tube Combi Boiler (NG) | Supplyhouse.Com
SupplyHouse.com
$1,108.88
Rheem Natural Gas Condensing Tankless Water Heater Indoor Up To 9 GPM, 180,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
15
Free shipping
$1,108.88
Rheem Natural Gas Condensing Tankless Water Heater Indoor Up To 9 GPM, 180,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
$1,199.00
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
61
Free shipping
$1,199.00
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
$5,078.60
AO Smith ACB-110H-N ACB-110H-N 110,000 BTU Proline XE High Efficiency Ultra-Low Nox Combi Boiler, High Altitude (NG) | Supplyhouse.Com
SupplyHouse.com
$5,078.60
AO Smith ACB-110H-N ACB-110H-N 110,000 BTU Proline XE High Efficiency Ultra-Low Nox Combi Boiler, High Altitude (NG) | Supplyhouse.Com
SupplyHouse.com
$2,775.75
Rinnai I150sn Condensing Gas Boiler, Whole Home Natural Gas Heater With Space-Saving Design And Smart Features, (150K BTU)
Amazon.com
14
Free shipping
$2,775.75
Rinnai I150sn Condensing Gas Boiler, Whole Home Natural Gas Heater With Space-Saving Design And Smart Features, (150K BTU)
Amazon.com
$3,026.00
$4,026.00
RMS 9 Kw Assembled Panel W/Thermolec B-9TMB Boiler
Radiant Made Simple
24% off
$3,026.00
$4,026.00
RMS 9 Kw Assembled Panel W/Thermolec B-9TMB Boiler
Radiant Made Simple
$953.00
Rheem RTG-84DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 Btus
Amazon.com
91
Free shipping
$953.00
Rheem RTG-84DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 Btus
Amazon.com
$4,572.00
Bosch Greenstar FS 131 Floor Standing Combi Condensing Boiler (KWB35)
Craft Supply
$4,572.00
Bosch Greenstar FS 131 Floor Standing Combi Condensing Boiler (KWB35)
Craft Supply
$2,474.03
Navien PNCB0047LD002 NCB190/060H Combi Boiler | Skip The Warehouse
Skip The Warehouse
$2,474.03
Navien PNCB0047LD002 NCB190/060H Combi Boiler | Skip The Warehouse
Skip The Warehouse
$4,175.00
Bosch Greenstar 151 Combi Gas-Fired Wall-Hung Condensing Boiler 151,000 BTU (ZWB42-3)
Craft Supply
$4,175.00
Bosch Greenstar 151 Combi Gas-Fired Wall-Hung Condensing Boiler 151,000 BTU (ZWB42-3)
Craft Supply
$3,104.24
Bosch SINGULAR 5200 Condensing Combi Boiler | Skip The Warehouse
Skip The Warehouse
$3,104.24
Bosch SINGULAR 5200 Condensing Combi Boiler | Skip The Warehouse
Skip The Warehouse
$2,553.00
Bosch Singular 4000 155,000/80,000H BTU Combi Gas-Fired Wall-Hung Condensing Boiler
Craft Supply
$2,553.00
Bosch Singular 4000 155,000/80,000H BTU Combi Gas-Fired Wall-Hung Condensing Boiler
Craft Supply
$953.00
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 Btus
Amazon.com
74
Free shipping
$953.00
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 Btus
Amazon.com
$1,267.00
Goodman 80% 60,000 BTU, GM9C800603BN, Upflow/Horizontal Furnace
Alpine Home Air Products
$1,267.00
Goodman 80% 60,000 BTU, GM9C800603BN, Upflow/Horizontal Furnace
Alpine Home Air Products
$2,048.00
Prestige 9.9 GPM Natural Gas High Efficiency Combi Boiler With 199000 BTU
Home Depot
51
Free shipping
$2,048.00
Prestige 9.9 GPM Natural Gas High Efficiency Combi Boiler With 199000 BTU
Home Depot
$4,634.10
Electro Industries EZB-Edge - Two Stage - 7 Kw - 23,800 BTU - Modulating Electric Hot Water Boiler - Four Zone Controller
eComfort
$4,634.10
Electro Industries EZB-Edge - Two Stage - 7 Kw - 23,800 BTU - Modulating Electric Hot Water Boiler - Four Zone Controller
eComfort
$3,051.72
I-Series Plus Natural Gas Or Propane Liquid Combi Boiler With 150,000 BTU Input
Home Depot
Free shipping
10% off
$3,051.72
I-Series Plus Natural Gas Or Propane Liquid Combi Boiler With 150,000 BTU Input
Home Depot
$1,979.00
Thermolec Electric Boiler TMB 9 Kw
Radiant Made Simple
$1,979.00
Thermolec Electric Boiler TMB 9 Kw
Radiant Made Simple
$4,299.52
Bosch ZWB28-3 Greenstar Combination Boiler 100 Wall Model | Skip The Warehouse
Skip The Warehouse
$4,299.52
Bosch ZWB28-3 Greenstar Combination Boiler 100 Wall Model | Skip The Warehouse
Skip The Warehouse
$1,240.47
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
14
Free shipping
$1,240.47
Rheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
Amazon.com
$4,707.72
WEIL-MCLAIN 383-200-002 Combi Boiler 3/4"" SS 199K BTU Direct Vent NPT
eBay.com
Free shipping
$4,707.72
WEIL-MCLAIN 383-200-002 Combi Boiler 3/4"" SS 199K BTU Direct Vent NPT
eBay.com
What Is A Combi Boiler? Simple Guide For UK Homes
What Is A Combi Boiler? Simple Guide For UK Homes
Mar 11, 2020
iheat.co.uk
Ideal vs Worcester Bosch - Which Boiler Brand is Best?
Ideal vs Worcester Bosch - Which Boiler Brand is Best?
Oct 15, 2024
iheat.co.uk
Combi Boiler Reviews - Ideal Logic Max Review and Installation
36:37
Combi Boiler Reviews - Ideal Logic Max Review and Installation
103.9K viewsAug 4, 2019
YouTubeAllen Hart
Best Boilers & Boiler Brands in the UK - The Top 5
Best Boilers & Boiler Brands in the UK - The Top 5
Feb 29, 2024
boilerhut.co.uk
Energy Efficient Boilers - Save Money And Boost Comfort
Energy Efficient Boilers - Save Money And Boost Comfort
Oct 23, 2024
iheat.co.uk
Combi Boiler: Endless Hot Water and Space Heating in One Unit - Rheem Manufacturing Company
Combi Boiler: Endless Hot Water and Space Heating in One Unit - R…
Dec 1, 2020
rheem.com
How does a combi boiler work? - What is a combi boiler & are they good?
4:58
How does a combi boiler work? - What is a combi boiler & are they …
Feb 6, 2024
boilercentral.com
0:39
High efficiency Boiler installation [IBC combi boiler]
4.6K viewsJul 7, 2022
YouTubeAddario's Services
9:25
Combi Boiler Reviews - Ideal Logic Max v Baxi 800
47.3K viewsAug 31, 2019
YouTubeAllen Hart
Combi Boiler vs System Boiler - Which is better for your home?
Jan 1, 2024
boilercentral.com
2:08
The Rheem® Prestige® Series High Efficiency Combi Boiler
2.7K viewsDec 13, 2022
YouTubeRheem Manufacturing
6:12
The Top 5 Combi Boilers for 2024 in the UK | GreenMatch
22.2K viewsFeb 19, 2024
YouTubeGreenMatch UK
5:33
What are the best combi boilers in the UK? Find out our top 5
25.9K viewsJan 6, 2023
YouTubeBoiler Central
1:29
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70.9K viewsOct 29, 2020
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6:50
Best Combi Boilers | Top Five UK
41.2K viewsMar 15, 2021
YouTubeHeatable
1:06
What is a combi boiler?
6.7K viewsDec 13, 2022
YouTubeE.ON Energy UK
0:24
What is the best electric boiler?
41.7K viewsMar 2, 2022
YouTubeFischer Future Heat
5:03
How to Install a Combi Boiler - DIY Boiler Installation Guide
8 months ago
homeadviceguide.com
8:50
Best Boiler Brands 2025: Expert Recommendations from a Gas Saf…
1.9K views8 months ago
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6:37
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12.5K viewsOct 2, 2020
YouTubeThe Boiler Installation Specialists Ltd
1:22
Noritz Combination Boiler
16.3K viewsJan 6, 2016
YouTubenoritzamerica
21:11
Top 5 Combi Boilers | 2025
8.6K views2 months ago
YouTubeHeatable
12:39
Baxi 600 combination boiler review
79.1K viewsMay 18, 2018
YouTubeP B Plumber
1:13
Combi Boilers Explained – British Gas
40.7K viewsNov 7, 2014
YouTubeBritish Gas
2:12
Bosch Greenstar | The World's Best Selling Residential Condensing B…
12.8K viewsOct 25, 2019
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8:05
Thermax introduces multi-fuel hybrid boiler- COMBIPAC®
19.2K viewsSep 14, 2021
YouTubeThermax Limited
0:32
High efficiency boiler install [IBC combination boiler]
1.8K viewsFeb 2, 2023
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20:22
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150.3K viewsDec 14, 2023
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4.8K viewsMar 29, 2022
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Shop Best Rated Combi Boilers

Sponsored
About our ads
$1,365.00
Goodman GR9S800804BN 80,000 BTU 80% 1600 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$1,365.00
Goodman GR9S800804BN 80,000 BTU 80% 1600 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$1,820.00
Blueridge 96% AFUE 90,000 BTU High Efficiency Multi-Speed Upflow/Horizontal Furnace BG961UH090CE16
Alpine Home Air Products
$1,820.00
Blueridge 96% AFUE 90,000 BTU High Efficiency Multi-Speed Upflow/Horizontal Furnace BG961UH090CE16
Alpine Home Air Products
$2,000.00
Goodman GR9S960803BN 80,000 BTU 96% 1200 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$2,000.00
Goodman GR9S960803BN 80,000 BTU 96% 1200 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$2,499.00
Navien NCB-190/080H Combi Boiler/WH 160,000 DOM 80,000 Heat Nat/LP Gas
MyTanklesswaterHeater
Free shipping
$2,499.00
Navien NCB-190/080H Combi Boiler/WH 160,000 DOM 80,000 Heat Nat/LP Gas
MyTanklesswaterHeater
$1,404.99
Rheem IKONIC RECTGH-S11ip Professional Grade Super High Efficiency Condensing Tankless Liquid Propane Water Heater, 11.2 GPM
Amazon.com
Free shipping
$1,404.99
Rheem IKONIC RECTGH-S11ip Professional Grade Super High Efficiency Condensing Tankless Liquid Propane Water Heater, 11.2 GPM
Amazon.com
$2,971.00
Bosch Greenstar Combi 100P - 89K BTU - 95.0% AFUE - Combi Gas Boiler - Direct Vent
eComfort
$2,971.00
Bosch Greenstar Combi 100P - 89K BTU - 95.0% AFUE - Combi Gas Boiler - Direct Vent
eComfort
$2,487.00
Goodman GD9S961005CN 100,000 BTU 96% 2000 CFM Downflow/Horizontal Furnace
Alpine Home Air Products
$2,487.00
Goodman GD9S961005CN 100,000 BTU 96% 2000 CFM Downflow/Horizontal Furnace
Alpine Home Air Products
$2,596.00
Goodman GR9S961205DN 120,000 BTU 96% 2000 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$2,596.00
Goodman GR9S961205DN 120,000 BTU 96% 2000 CFM Upflow/Horizontal Furnace
Alpine Home Air Products
$462.14
Laars P2134400 Laars Manifold For Combi Boiler FTCW 140/199, P2134400 | Supplyhouse.Com
SupplyHouse.com
$462.14
Laars P2134400 Laars Manifold For Combi Boiler FTCW 140/199, P2134400 | Supplyhouse.Com
SupplyHouse.com
$1,645.55
NEW Rinnai rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
128
Free shipping
$1,645.55
NEW Rinnai rx199in Condensing Smart Sense Natural Gas Or Propane Tankless Water Heater, Indoor Or Outdoor Water Heater, Up To 11.1 GPM, 199,000 BTU
Amazon.com
$2,866.00
Noritz NRCB180 - 92K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
eComfort
11
$2,866.00
Noritz NRCB180 - 92K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
eComfort
$2,081.00
Navien NHB-80 80,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
Free shipping
$2,081.00
Navien NHB-80 80,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
$1,001.00
Rheem Liquid Propane Condensing Tankless Water Heater Indoor Up To 6.8 GPM, 120,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
13
Free shipping
$1,001.00
Rheem Liquid Propane Condensing Tankless Water Heater Indoor Up To 6.8 GPM, 120,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
$1,678.00
Navien NPE-240S2 199,000 BTU Condensing Premiumgas Tankless Water Heater
MyTanklesswaterHeater
Free shipping
$1,678.00
Navien NPE-240S2 199,000 BTU Condensing Premiumgas Tankless Water Heater
MyTanklesswaterHeater
$2,292.00
Navien NHB-110 110,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
Free shipping
$2,292.00
Navien NHB-110 110,000 BTU Indoor Condensing Gas Boiler
MyTanklesswaterHeater
$3,069.76
Lochinvar NKC110N 110,000 BTU Noble Fire Tube Combi Boiler (NG) | Supplyhouse.Com
SupplyHouse.com
$3,069.76
Lochinvar NKC110N 110,000 BTU Noble Fire Tube Combi Boiler (NG) | Supplyhouse.Com
SupplyHouse.com
$1,108.88
Rheem Natural Gas Condensing Tankless Water Heater Indoor Up To 9 GPM, 180,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
15
Free shipping
$1,108.88
Rheem Natural Gas Condensing Tankless Water Heater Indoor Up To 9 GPM, 180,000 Btus Continuous Super High Efficient Hot Water
Amazon.com
$1,199.00
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com
61
Free shipping
$1,199.00
Rheem RTGH-95DVELN-3 Super High Efficiency Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM With Wifi
Amazon.com