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

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

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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Karuna Passive House Ventilation System

Video

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

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.