Heat Exchanger ... On or off in the summer?

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#8223636 - 05/26/15 08:27 AM Heat Exchanger ... On or off in the summer?
furball furball Post Master Sr Registered: 09/24/03 Posts: 9484 Loc: Toronto, ON	So, the house came with a heat exchanger ... Does it do much in the summer? In the winter, as I have a Nest, the house doesn't have much heat going on anyway when I'm away/asleep, so it's mainly acting as a weak air circulation system... In the summer... I dunno ... I've so far kept it disconnected... Will keep it on for a week to see if there's a change... 2nd floor's starting to get stuffy at night. Quote: During the heating seasons, heat is transferred from the warm indoor exhaust air into the cold outdoor supply air inside the HRV heat exchanger. The ERV heat exchanger not only transfers this heat, but transfers some of the moisture in the more humid exhaust air into the less humid supply air. This heat/energy transfer means that your home heating system uses less when compared to any other form of ventilation. During the cooling seasons the process depends whether or not you are exhausting air conditioned air. If you are not air conditioning the indoor air, ventilation is generally accomplished by opening windows and turning off the air exchanger. If you are air conditioning the indoor air, heat is transferred from the warm/hot outdoor supply air into the cool indoor exhaust air inside the HRV heat exchanger, thus reducing the temperature of the fresh air coming in. The ERV heat exchanger not only transfers this heat but transfers some of the moisture in the more humid supply air into the less humid exhaust air, thus reducing the humidity of the fresh air coming in. This heat/energy transfer means that your house cooling system uses less energy when compared to any other form of ventilation. This transfer of heat or energy is accomplished with very little or no mixing of the 2 air streams, meaning the pollutants are exhausted and the heat/energy is recovered. Edited by furball (05/26/15 08:28 AM)
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#8223653 - 05/26/15 08:49 AM Re: Heat Exchanger ... On or off in the summer? [Re: furball]
Risky Business Risky Business Provides a Great Work Environment. he/him Post Master Supreme Registered: 05/17/10 Posts: 44790
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#8223654 - 05/26/15 08:49 AM Re: Heat Exchanger ... On or off in the summer? [Re: furball]
Euphoricuck Euphoricuck Post Master Supreme Registered: 11/05/03 Posts: 92703 Loc: Canadistan	Off ....but it tells you right rhere. Air circulation helps quite a bit with comfort. But if you have ceiling fans thode will work better if you are near them. It's for fresh air. I'd use on an as needed basis in the summer. _________________________
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#8223688 - 05/26/15 09:25 AM Re: Heat Exchanger ... On or off in the summer? [Re: furball]
Screamin Type ARGH! Screamin Type ARGH! High Value Poster Post Master Supreme Registered: 02/20/01 Posts: 47668 Loc: T.O. - Canaduh	$\:\\|$ yes off for the most part. if you can, run it in CIRC (circulation mode) get dat fresh air doe. _________________________ "Ban low performance drivers, not high performance cars"
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