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Furnaces
The Highest Efficiency Rating Is Found in Condensing Furnaces
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Ductless Minisplit Heat Pumps
Heating and Cooling Without Central Ducts
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Heat Distribution
Forced Air and Hydronic: Ducts, Pipes, and Tubes Should Be Short and Leak-free
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Forced Air HVAC Systems
Keep Air Ducts Short, Direct, and Inside the Conditioned Space
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Balanced Ventilation
UPDATED on March 13, 2015Balanced Ventilation Is Appropriate for All Climates
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Green Heating Options
Green Heating Systems Can Heat the House and Its Water
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Heat Pumps: The Basics
Heat Pumps Use Heat in the Air, Earth, or Water to Heat a House
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Remodel Project: Deep Energy Retrofit
Insulation, Air Sealing, & HVAC Offer Chances to Slash Energy Bills
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Remodel Project: Weatherization
Air sealing, insulation improvements, and equipment upgrades save energy dollars
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Air Conditioning
For Central Systems, Look for High SEER ScoreUPDATED 5/30/2012