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Heating and Cooling

Search by Topic:Heating and Cooling

Can I add new insulation on top of old insulation?
What's the difference between a split system and a packaged unit?
What is SEER? EER? HSPF?
I’ve heard setting a programmable thermostat back during the day does not save on energy costs because you use at least as much energy as you’ve saved getting your house back up to the desired temperature. Is this true?
Should I cover my outdoor AC condenser unit in the winter?
What is a radiant barrier? Can it earn the ENERGY STAR?
How do I know if I need a new heating and cooling (HVAC) system?
Does it help to close vents in rooms not being used during the day?
Are there ENERGY STAR qualified ductless split-system air conditioners (mini splits)?
How should I use my ceiling fan?
How much should I put back my heat or air conditioning while I’m gone during the day?
Are there ENERGY STAR qualified portable room air conditioners?
What temperature should I set my air conditioner during the summer (or my heat during the winter)?
Does changing my furnace or air conditioning filter each month save energy?
How efficient are ENERGY STAR qualified boilers?
How hard is it to install a programmable thermostat? Can I do it myself?
Can I figure out the right size of HVAC equipment needed for my home myself, or do I really need a contractor?
Are there ENERGY STAR labeled dehumidifiers?
Why is the ENERGY STAR Geothermal Heat Pump I just bought in late 2010 not listed as a qualified product?
Can geothermal heat pumps earn the ENERGY STAR?
Is there a tax credit for indirect water heaters?
Do I get a bigger HVAC system to be comfortable and save energy?
Is there an ENERGY STAR label for “whole-house” fans?
Is there an ENERGY STAR label for evaporative coolers? Are they eligible for a tax credit?
Are Packaged Terminal Air Conditioners (PTACs) and Packaged Terminal Heat Pumps (PTHPs) ENERGY STAR qualified?
Are there ENERGY STAR qualified space heaters?
What should I expect from my contractor doing heating and cooling system maintenance?
Can heat recovery ventilators earn the ENERGY STAR?
Do ENERGY STAR qualified furnaces save on your electricity bills as well gas/oil/propane?

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