FURNACES - TOC
Furnaces
Designed to deliver reliable and economical warmth, Lennox® furnaces have efficiency ratings from 80% all the way up to 95% AFUE. And many are ENERGY STAR® qualified, which means they can significantly lower your utility bills, compared to conventional models. For optimal comfort and efficiency, a gas furnace can be combined with an electric heat pump in one dual-fuel system.
Gas Furnaces
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Energy |
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G71MPP Variable-Capacity Gas Furnace |
95.00% |
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The quietest furnace you can buy1 - and one of the most efficient! |
Tax Credit Eligible |
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G60V Variable Speed Gas Furnace |
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80.00% |
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The quietest furnace in its class2 |
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G61V High-Efficiency Gas Furnace |
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up to 95.00% |
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High-efficiency gas furnace |
Tax Credit Eligible |
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G61 Gas Furnace |
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94.10% |
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Two-stage, high-efficiency heating |
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G51 Gas Furnace |
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92.10% |
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High-efficiency, high-comfort heating |
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G60 Gas Furnace |
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80.00% |
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Efficient, consistent two-stage heating |
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G50 Gas Furnace |
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80.00% |
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Efficient, consistent home heating |
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G43 Gas Furnace |
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up to 92.10% |
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Economical, high-efficiency gas heating |
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G40 Gas Furnace |
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80.00% |
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Multi-position furnace designed to fit most any application |
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ENERGY STAR® Product 
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