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1399 Furnace Duct HRV Connection - Insulation Energy Efficiency - Ventilation Systems
 
1399 Furnace Duct HRV Connection - Insulation Energy Efficiency - Ventilation Systems -

Image Text: Indirect connection > 3 feet minimum > 10 feet minimum > AIRFLOW > cold air return > exhaust > direct connection > fresh air > HRV (Heat Recovery Ventilator) > cold-side ducts > gas furnace

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INSULATION

The Basics, Air/Vapor Barriers (Vapor Retarders), Venting Roofs, Venting Living Spaces, Attics, Flat and Cathedral Roofs, Walls Above Grade, Basements and Crawlspaces, Floors over Unheated Areas, Ventilation Systems

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