Repair or Replace Your HVAC System? Questions to Ask Before You Decide
Start with a check-up and a written diagnosis, then sizing, efficiency, written estimates, licensed contractors, and the current status of tax credits and rebates.
Guides
Plain-language guides on heating, cooling and home energy for U.S. homeowners. Each one starts with the short answer, then the details, and ends with its sources.
HVAC Filters, Thermostat Settings and Simple Upkeep You Can Do Safely
The monthly filter check, how to pick a filter, thermostat settings for furnaces and heat pumps, leaky ducts, and what a yearly pro check-up should cover.
Heat Pump or Air Conditioner? How to Tell Which Fits Your Home
How heat pumps and central AC differ, when each makes sense, cold-climate notes, the efficiency labels, and the 2026 status of federal tax credits and rebates.
General information only, not professional, tax or legal advice. Rules, rebates and tax credits change and vary by state and utility: check the official source, and use a licensed HVAC contractor for repairs, refrigerant and electrical work.