This report assesses the current best practices for residential variable speed heat pump (VSHP) installations and identifies gaps in knowledge that could hinder market adoption.

This report evaluates currently available centrally ducted variable speed heat pumps (VSHPs) to enhance understanding of their products, pricing, and performance specifications.

This report details a field monitoring study aimed at characterizing the energy consumption, operational costs, and environmental impacts of various system configurations, specifically focusing on dual fuel air-source heat pumps in cold climates.

This report outlines the Michigan Heat Pump Collaborative's (MIHPC) efforts to assess the current market for heat pumps in Michigan, engaging with key stakeholders to identify perspectives on adoption barriers and to analyze fuel usage, sales, and existing programs.

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.

This report details research into the effectiveness of integration controls for mini-split heat pumps in homes with existing electric-resistance heating to enhance energy savings.

This report aims to identify the market and technical barriers that hinder the wider adoption of fault detection technology for enhancing energy efficiency in residential HVAC systems.

The report examines the potential of automated fault detection and diagnostics (AFDD) technologies to enhance energy efficiency in residential HVAC systems, particularly focusing on air source heat pumps (ASHPs).