The heat pump market grew by 40 percent in two years. The homeowner education didn’t keep up. This book closes that gap.More heat pumps are being installed annually than gas furnaces in several northern states — and yet most of the homeowners driving that shift were making $15,000 decisions based on contractor pitches, YouTube videos of variable quality, and general noise about electrification that never stopped to explain the physics, the trade-offs, or the habits that actually determine whether a heat pump delivers what it costs.
This is the book that should have existed three years ago.
What you will find inside:
The physics in plain terms. Why a heat pump can extract usable heat from 20°F outdoor air. Why the COP number is real and what it actually means at your design temperature — not the 47°F test condition on the spec sheet.
Honest sizing guidance. Why the rule-of-thumb that most installers use produces consistently wrong system sizes — and the two questions that separate the contractors who calculate from the ones who guess.
Spec sheet translation. HSPF2, SEER2, COP across the operating range, capacity curves, AHRI certificates, refrigerant type. Every number that determines real-world performance decoded in homeowner language.
The thermostat habits that kill efficiency. The overnight setbacks, Emergency Heat habits, and large temperature swings that work with a gas furnace and work against a heat pump. The 2-degree rule, auxiliary heat lockout settings, and the correct approach to cold-climate scheduling.
The defrost cycle, completely explained. The steam, the stopped fan, the brief cool air from the registers — what it looks like, why it happens, and the difference between a defrost cycle working correctly and one that is not.
21 common problems solved by symptom. Organized by what you observe, not what you think the cause is. Homeowner action for each problem, and a clear Stop Sign for when a service call is the right answer.
IRA tax credits and state rebates. The Section 25C credit, HEEHRA income-based rebates, and major state programs across the country. How to stack incentives. What disqualifies you. How to avoid leaving money on the table.
The full ownership lifecycle. What to expect in years 1–5, 6–10, 11–15, and 16–20. The 50% repair rule. The refrigerant transition from R-410A to R-454B and what it means for service costs. How to capture the system’s value in a home sale.
What this book does NOT do:It does not advocate for heat pumps across the board. It presents the Ohio homeowner replacing natural gas (marginal financial case), the Massachusetts homeowner replacing oil (compelling case, often 3–6 year payback), and the Arizona homeowner replacing aging AC (weakest case). It explains when the math doesn’t work and what to do instead.
It does not take a position on electrification policy. The information is equally useful to the homeowner who wants a heat pump for efficiency reasons and to the homeowner who wants one because the payback calculation favors it.
Also includes:50-term Heat Pump Glossary • 5-Year Maintenance Log • Symptom Index (40+ entries cross-referenced to specific chapters) • Cold-Climate Decision Tool • Installer Vetting Checklist (bring to site visits) • State Incentive Quick Reference • Seasonal Quick-Reference Card (designed to be posted, not filed)
Book 2 in the Honest Home Systems series. Book 1: The Honest HVAC Handbook for Homeowners.
