This guide outlines the standard for commissioning heating systems, highlighting how RESNET/HERS-rated homes can enhance their HERS scores through effective commissioning practices.

This case study examines a retrofit project that incorporates a dual fuel air source heat pump with an existing furnace, completed in partnership with an affordable home builder.

This guide serves as a building science translator, assisting contractors in translating technical topics into language that resonates with homeowners during sales conversations.

This guide addresses balance points and switchover temperatures, focusing on economic, comfort, and thermal considerations. It also includes relevant calculations to aid understanding.

This guide provides instructions on how to install a heat pump in a home with existing heating systems. It offers detailed steps and considerations for a successful installation.

This toolkit is a collection of resources focused on air source heat pump (ASHP) sizing and selection, specifically designed for mechanical system designers and renovation contractors. It aims to support these professionals in appropriately sizing and selecting ASHPs.

These guides consist of training materials focused on Cold Climate Air Source Heat Pump Sizing and Design, specifically crafted for use in training programs.

This users guide details how to use support tools for selecting cold-climate air source heat pump (ccASHP) products, ensuring they are appropriately sized to meet the peak and annual heating requirements of a home or heating zone.