HRV- Page 3 of 5
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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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A Balanced Ventilation System With a Built-In Heat Pump
A father-and-son team are manufacturing a new ventilation device — a type of ‘magic box’ — called the CERV
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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
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Video: New Passivhaus Products
Katrin Klingenberg, founder of the Passive House Institute U.S., tours the trade-show floor at the BuildingEnergy 14 conference, pointing out her favorite windows, heat pumps, diagnostic tools, and more
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Does a Home with an HRV Also Need Bath Fans?
Most homeowners find that an HRV with dedicated ductwork moves enough air to clear condensation from bathroom mirrors
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My Earth Tube Story
Buried ventilation ducts represent an absurdly simple and cheap source of limitless free energy
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Commissioning Our Heat-Recovery Ventilator
The supply and exhaust airflows of a ducted HRV have to be measured and balanced after installation for the system to function properly
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Our Top-Efficiency Heat-Recovery Ventilator
We expect our state-of-the-art HRV from Zehnder to provide fresh air to our home, with very low energy consumption, for years to come