BASC Search | Building America Solution Center

These ERV/HRV configurations are NOT recommended because outdoor air can be sucked back into the ERV/HRV before being distributed to the living space

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This HRV, installed in a conditioned attic, provides balanced ventilation to the whole home

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If integrating an ERV/HRV with the heating/cooling duct system, add dedicated ducts for either the supply or return side to prevent short-circuiting of air distribution

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Right – This HRV is ducted separately from the home’s ductless heat pumps to provide filtered fresh air to sleeping and living areas and to exhaust stale air from the bathrooms and laundry.

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Karuna Passive House Ventilation System

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Video discussing the heat recovery ventilation (HRV) system in a passive house.

Whole House Ventilation Strategies for Existing Homes

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Guide describing how to select and install whole-house ventilation systems for existing homes.

Whole-House Ventilation Strategies for New Homes

Guide

This guide describes how to install a whole-building ventilation system to provide adequate dilution of indoor air contaminants.

Ventilation and Exhaust Strategies for Multifamily Housing

Guide

Guide presenting central and individual dwelling unit ventilation and exhaust strategies for multifamily construction.

Air Leakage Testing Garage to House Air Barrier

Guide

Guide describing how to properly test the air barrier between the garage and house, and how to ensure the air barrier is tight enough to prevent garage air from entering the home.