This guide covers sizing air source heat pumps based on design heating or cooling loads and intended use, along with selecting the appropriate system for installation and application.

This document summarizes key specifications for both ducted and ductless heat pump systems. It also includes a comparison to the federal minimum standards for heat pumps.

This guide examines the operational cost impact of integrating ASHPs into all-electric homes in Illinois. It has been replaced by the Savings Calculator on the GoElectric site for customers.

This guide analyzes the operational cost impact of integrating ASHPs into natural gas-heated homes in Illinois.

This guide examines the operational cost impact of integrating ASHPs into propane-heated homes in Illinois.

This guide focuses on quality installations and best practices to optimize performance.

This presentation highlights market opportunities in Illinois by identifying customer needs and technical considerations. It discusses building value propositions and provides access to resources for program staff.

This report outlines a project focused on maximizing energy savings from air source heat pumps (ASHPs) for Focus on Energy while also investigating their potential for greenhouse gas emissions reductions.