HeatPumpPathSizing, Performance, and Backup Heat
How to Size a Heat Pump Without a Square-Foot Rule
Learn what a home heat-loss calculation and equipment match should show, and what to ask before accepting a heat-pump proposal.
Browse a taxonomy
Heat Loss
Explore guides grouped by this term.
Retrofit and Installation Planning
Insulation and Air Sealing Before a Heat Pump
Understand how insulation and air leakage affect heat-pump design, and how to coordinate envelope work without assuming every home needs the same retrofit sequence.