Find your fix, fast
Thermostating isn’t a real word. It’s what you’re already doing.
Standing at the wall, screwdriver in one hand, phone in the other. Tell us the code, the light, or the brand — we’ll get you to the fix.
Independent guides for every major thermostat brand
And every major HVAC equipment brand
Free HVAC calculators
Savings Calculator Estimate what a setpoint change saves per year AC Energy Cost See what your AC actually costs to run HVAC Load Calculator Run a full Manual J load calculation AC Size Calculator Find the right AC tonnage for your square footage BTU Calculator Figure out the right BTU output for any room
The biggest number on the site
Change your filter. It’s the cheapest thing you’ll do all year.
A dirty filter is the single most common reason a system “breaks.”
49.5kfurnace filter change /mo
18.1khvac filter /mo
14.8kmerv rating /mo
QUICK REFERENCE
Which MERV rating do I need?
Basic dust & pollenMERV 8
Allergies, pet danderMERV 11
Smoke, fine particulateMERV 13
Change interval, 1″60–90 days
Three ways in
By symptom
What’s on the screen right now.
By task
Doing something, not fixing something.
The Pandotic Network
Thermostating is one site in a bigger home-services knowledgebase
Every property below follows the same rule this site does: name the exact part, the exact number, the exact terminal — and say when to call a pro. Same research standard, different slice of the home.
Parent Pandotic.ai The research and publishing engine behind every site here. Energy Home Energy Planner Electrification, solar, and incentive planning for the whole home. Records HomeDoc Keep your home’s maintenance history in one place. Bids BidSmart Real contractor bid data, compared side by side. COMING SOON Wildfire Defensible Homes Wildfire-hardening guidance for homeowners.