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10 Best Condensing Boilers

6,258 reviews scanned
Rank Product Name Score
1
Best Value for Money
RINNAI Condensing Gas Boiler, i120SN RINNAI Condensing Gas Boiler, i120SN By Rinnai
9.8
Score
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2
Budget Choice
Rinnai i150SN Condensing Gas Boiler, i150SN-Natural Rinnai i150SN Condensing Gas Boiler, i150SN-Natural By Rinnai
9.5
Score
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3 IBC Condensing Boiler, DC Series- DC15-96 - 15,000 to 96,000 BTU/HR IBC Condensing Boiler, DC Series- DC15-96 - 15,000 to 96,000 BTU/HR By IBC
9.3
Score
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4 IBC Condensing Boiler, DC Series- DC20-125 - 20,000 to 125,000 BTU/HR IBC Condensing Boiler, DC Series- DC20-125 - 20,000 to 125,000 BTU/HR By IBC
8.9
Score
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5 NTI-TX101- Trinity Condensing Boiler 20.1-101 KBTU NTI-TX101- Trinity Condensing Boiler 20.1-101 KBTU By Nti
8.7
Score
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6 Rinnai M060SN Q-Series Condensing Boiler, M060SN-Natural Gas Rinnai M060SN Q-Series Condensing Boiler, M060SN-Natural Gas By Rinnai
8.3
Score
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7 Viessmann Vitodens 100-W Series Gas-Fired Combi condensing Boiler, 125,000BTU- B1ka125 Viessmann Vitodens 100-W Series Gas-Fired Combi condensing Boiler, 125,000BTU- B1ka125 By VIESSMANN
8.2
Score
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8 Viessmann Vitodens 100-W Series Gas-Fired condensing Boiler, 118,000BTU- WB1B35 Viessmann Vitodens 100-W Series Gas-Fired condensing Boiler, 118,000BTU- WB1B35 By VIESSMANN
7.8
Score
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9 Viessmann Vitodens 100-W Series Gas-Fired condensing Boiler, 125,000BTU- B1HA125 Viessmann Vitodens 100-W Series Gas-Fired condensing Boiler, 125,000BTU- B1HA125 By VIESSMANN
7.3
Score
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10 Navien NHB-80 Premium Condensing NG/LP High Efficiency Boiler Navien NHB-80 Premium Condensing NG/LP High Efficiency Boiler
7.1
Score
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