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Wrong - Lack of insulation in the wall above this window combined with poor bathroom ventilation has contributed to mold growth.

Publication Date

Sun, 01/27/2019 - 12:00

Technology Solutions Case Study: Properly Sized and Located Return Air Inlets

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

August, 2012

Case study describing how a properly designed duct system is essential for keeping a home comfortable, managing indoor air quality, and maximizing the performance of heating and cooling equipment.

Home Performance Assessment

Information guide describing how to apply a whole-house approach to home improvement with energy efficiency upgrades, improved indoor air quality, and increased comfort.

Kitchen Exhaust Retrofit Duct Guide

Guide describing the retrofit of kitchen exhaust systems, including duct sizing and routing considerations.

Mechanical Ventilation for Attached Garage

Guide describing how to install an exhaust fan in an attached garage to pull fumes out of the garage and to depressurize the garage with reference to the home.

Air Leakage Testing Garage to House Air Barrier

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.

Whole-House Ventilation Strategies for New Homes

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

Whole House Ventilation Strategies for Existing Homes

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