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Guide that illustrates how and when to encapsulate ductwork in unconditioned attics, increasing the R-value of duct insulation, mitigating condensation issues, and reducing air leakage.

Guide describing how to create a designated shelter-from-heat space in a home to help occupants successfully weather an extreme heat event.

Guide describing how to upgrade or expand an existing HVAC system.

Guide describing methods for providing space cooling and refrigeration during extreme heat events and/or power outages.

Guide describing refrigerant-based compression-cooling air conditioning systems for space cooling.

Guide describing how to install a corrosion-resistant drain pan in condensate-producing HVAC equipment.

Guide describing ground-source (geothermal) heat pumps including an overview of technology and guidance on compliance and installation.