This calculator estimates annual heating costs for various heating systems.

This guide is tailored for contractors, outlining effective control strategies for heat pump systems with secondary heating sources. It highlights best practices for installation, configuration, and maintenance to improve energy efficiency and enhance customer satisfaction.

This guide provides homeowners with strategies to optimize heat pump systems paired with secondary heating sources. It covers system interactions, thermostat settings, and best configuration practices to enhance energy efficiency and comfort while reducing energy costs.

This guide provides contractors with insights on thermostat selections, droop settings, switchover temperature choices, third-party solutions, and integrated controls for various systems.

This calculator allows users to perform unlimited load calculations, with the option to purchase printable reports.

This website offers several free and purchasable load calculation tools.

This presentation provides an overview of the importance of correctly sizing heat pumps and outlines the steps for right-sizing a system.

This case study explores a new construction project featuring dual fuel air source heat pumps in collaboration with an affordable home builder.