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Problems with Combining HRVs/ERVs and Heating/Cooling

by cmSiteBuilder | Feb 5, 2014 | Uncategorized

Zehnder has been dealing with this issue across the country, and newly collected data confirms our recommendation that you do not mix the two. There are two aspects of this practice that have had negative impacts on comfort, efficiency, and healthy environments....

Frost Prevention in HRVs and ERVs in North America

by cmSiteBuilder | Feb 12, 2014 | Uncategorized

There are several options for preventing frost in HRVs/ERVs, and the following is a sampling of the most popular options. It is important to have adequate frost prevention and depending on your climate, there are best practices available. If you have questions about...
Understanding Heat Exchangers- Cross-flow, Counter-flow (Rotary/Wheel) and Cross-counter-flow Heat Exchangers

Understanding Heat Exchangers- Cross-flow, Counter-flow (Rotary/Wheel) and Cross-counter-flow Heat Exchangers

by cmSiteBuilder | Feb 24, 2014 | Uncategorized

The core of heat recovery is the heat exchanger.  There are various types of heat exchangers available including cross-flow, counter-flow (includes rotary/wheel) and cross-counter-flow. Through a heat exchanger, fresh-filtered air flows into the house continuously and...

Recent Posts

  • HRV vs ERV
  • Combining HRVs/ERVs and Heating/Cooling
  • Frost Prevention in HRVs and ERVs in North America
  • Understanding the Summer Bypass Function
  • ASHRAE Standard 62.2-2010

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