Heat-recovery Ventilation
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Should Balanced Ventilation Be Required?
Aspen’s new energy code requires balanced mechanical ventilation with recovery
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Zehnder Develops a Ductless ERV
The Zehnder ComfoAir 70 competes with similar appliances sold by Panasonic, Lunos, and Vents-US
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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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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
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Providing Fresh Air in Our Home
A quick overview of ventilation systems
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Is There an Alternative to a Heat-Recovery Ventilator?
HRVs are a great idea, but they can get expensive
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Are HRVs Cost-Effective?
Compared to a simple exhaust fan, a heat-recovery ventilator saves energy — but it probably won’t save enough to justify the high cost of the equipment
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European Products for Building Tight Homes
A new importer in Brooklyn is distributing European tapes, housewrap, ventilation fans, and a ‘magic box’
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Does Spot Ventilation Work in an Ultra-Tight House?
A homeowner wonders where makeup air comes from
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A ‘Magic Box’ For Your Passivhaus
Can Americans buy a combination appliance incorporating an HRV, heat pump, and water heater?