Heat-recovery Ventilator
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A Beginner’s Guide to Ventilation
The aim is simple, but the details are anything but
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Ducting HRVs and ERVs
Delivering ventilation air through heating or cooling ducts is a bad idea
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Six Steps to Success With Heat-Recovery Ventilation
Whole-house ventilation is one of the cornerstones of a high-performance house
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Five Ways to Do Balanced Ventilation
Including some you can use to convert an exhaust-only system
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Ventilation for Your Tight House — Part 2
Our guest, Sonia Barrantes, continues the conversation about the best options for a healthy, comfortable ventilation system
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Misconceptions About HRVs and ERVs
A heat-recovery ventilator isn’t a space heating appliance, makeup air unit, dehumidifier, or energy-saving device
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Using a Glycol Ground Loop to Condition Ventilation Air
How much energy can one of these $2,000 systems collect?
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Why Is It So Humid In Here?
An Ohio homeowner wonders why his heat-recovery ventilator is doing such a lousy job of controlling the relative humidity in his new house
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A Heat-Recovery Ventilation System for the Potwine Passivhaus
A Zehnder unit brings in fresh ventilation air while simultaneously exhausting stale air
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How Balanced Ventilation Systems Become Exhaust-Only
Joe Nagan sends out another one of his humorous e-mails