In this video: One of the biggest purchases a homeowner can make is to install a new furnace and air conditioner. Learn what you need to know when faced with this big decision.

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Whole house fans

Illustration of a whole house fan system

A whole-house fan, also known as an attic fan, provides great ventilation, lowers indoor temperatures and summer electric bills.

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Heating and cooling new homes

New home exterior

When planning your new home, make sure you consider newer heating and cooling technologies that could save you money.

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Fix leaky ductwork

Man applying mastic tape to ductwork

Leaks in your ductwork mean the air you've paid to heat or cool is not getting where it needs to go. Find out how to diagnose and fix this common problem.

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Geothermal

Geothermal wiring system on ground

Capturing the heat from the earth can save you big money on your energy bills.  Learn how geothermal systems work.

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Radiant floor heating

Kids playing on the living room floor

Heating from the floor is comfortable and very energy efficient.  See how it's installed and how it works.

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Furnace filters

Man inserting an air filter

Changing or cleaning your furnace filter is one of the easiest things you can do to prolong the life of your heating and air conditioning system.

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Getting a new fireplace

Man installing ductwork for new fireplace

Is it time to upgrade your fireplace?  Learn how you can improve your home's efficiency with the right fireplace.

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Heating and cooling older homes

Radiator in an older home

Don't be scared of an older heating or cooling system. Systems can be inspected or retrofit to maintain the integrity of your older home.

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Maintaining your fireplace

Inspector looking inside fireplace

Proper maintenance of your fireplace is important to make sure it's working efficiently and safely.

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