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.

This guide focuses on strategies to enhance profitability and customer satisfaction while minimizing callbacks. It offers practical insights for contractors to improve service delivery and ensure quality installations.

This guide explores how combining weatherization and electrification can greatly benefit consumers, the electric grid, and the environment.

This calculator allows energy professionals—such as contractors, advisors, and analysts—to evaluate the economic and environmental effects of green home and transportation upgrades.

This video features the Discovery and Midea partnership in ""Project Homestead,"" showcasing the effective use of an air source heat pump (ASHP) in Alaska, even at low temperatures.

The report explores the feasibility of electrifying space heating in cold climates, emphasizing the effectiveness of hybrid systems combining cold climate heat pumps and biofuel backups to minimize life-cycle costs.