In these videos: A ductless mini-split system is quiet, efficient, and compact. Instead of a central thermostat, you can create heating and cooling zones in your house that are set independently of each other. See how this technology works.

Variable refrigerant flow

In this video: Find out how variable refrigerant flow allows temperature to be controlled as part of an all-in-one heating and cooling unit.

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Whole house fans

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

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Learn how professionals tune up your air conditioner and get some tips on how you can keep it running at peak performance.

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Radiant floor heating

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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

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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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Heating and cooling older homes

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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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Options for heating your home

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Shop and compare when choosing a new heating system. Look for the yellow Energy Guide label to see how one unit stacks up against another.

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Fix leaky ductwork

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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

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

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