Finding a reliable Emergency Hvac contractor in Corunna, MI is harder than it should be. FH HVAC makes the standard clear: written pricing, active MI licensing, live dispatch 24/7, and a 90-day parts and labor guarantee on every job.

If you've dealt with contractors in Corunna, MI who gave you a verbal estimate and handed you an invoice that didn't match — or sent someone who clearly wasn't MI licensed — you know exactly why the bar feels low in this market.
When you call FH HVAC in Corunna, MI, you get a MI-licensed technician with NATE certification and EPA 608 credentials. Your quote is in writing before we start. Your guarantee is on your invoice. Calling +1-844-586-3138 at any hour connects you to a real person who confirms your ETA before you hang up.

All six services are available in Corunna, MI — performed by MI-licensed technicians and backed by written pricing and our 90-day guarantee.
System failure in Corunna, MI doesn't wait for business hours. A live dispatcher at +1-844-586-3138 routes the nearest MI-licensed tech to your location and gives you an ETA before you hang up. Our trucks carry the parts most common in Corunna, MI's HVAC systems, so first-visit repairs are the standard, not the exception.
Corunna, MI Emergency: +1-844-586-3138From a full system replacement to a targeted repair in your Corunna, MI home, our residential technicians don't guess system size. Every installation starts with a proper Manual J load calculation — the step that prevents the common mistake of oversizing, which causes short-cycling and early system failure. All MI permits pulled. Parts and labor both warranted.
Schedule Corunna, MI home serviceCommercial HVAC failure in Corunna, MI costs more than discomfort — it costs you customers, productivity, and sometimes compliance. Our commercial team handles rooftop units, large split systems, VRF and chiller work across Corunna, MI — coordinated around your operating hours to minimize disruption. Priority response for commercial service agreement clients.
Corunna, MI commercial pricingYour Corunna, MI home's indoor air quality challenges depend on local seasonal patterns. We install HEPA filtration upgrades, UV germicidal systems, dehumidifiers, humidifiers, and ERVs configured for this region's conditions. Most impactful for households managing asthma or recurring respiratory conditions.
Indoor air quality: +1-844-586-3138More Corunna, MI homeowners are choosing heat pumps and ductless systems for additions, garages, and conversions where running ductwork through existing walls isn't practical. Factory training across all major brands means we handle the full job in Corunna, MI, from installation through annual efficiency checks.
Ductless install: +1-844-586-3138Consistent preventive maintenance is the single biggest factor in how long an HVAC system lasts — and most Corunna, MI homeowners underinvest in it. Our Corunna, MI maintenance plan includes two full tune-ups per year, priority scheduling during peak season, a 15% discount on any repair parts and labor, and a written condition report after every visit.
Plan details: +1-844-586-3138No mystery, no fine print. This is the exact process for every Corunna, MI job we take on.
Real person answers. Not voicemail. Dispatch starts immediately from a position close to Corunna, MI.
We dispatch from the closest available tech to your Corunna, MI location. Background-checked, NATE certified, EPA 608 credentialed.
After diagnosing your system in Corunna, MI, your technician hands you a written, itemized quote. Nothing starts until you've reviewed and approved it in writing. What you approve is what you pay.
90 days, parts and labor, on your invoice — not a verbal promise, a documented commitment.
These are the operating commitments behind every Corunna, MI job. Verifiable. Documented.
What you approve is what you pay. Always. No post-job surprises in Corunna, MI.
Every FH HVAC technician in Corunna, MI carries an active MI contractor license. Ask for documentation before any contractor starts work on your system.
Regional technician positioning throughout Corunna, MI keeps response times under 60 minutes in most markets — including during peak summer and winter demand.
Every Corunna, MI repair we complete carries a 90-day parts and labor guarantee printed on your invoice. If it fails, we return at no charge — no debate required.
Not voicemail. Not a bot. A live dispatcher who confirms your ETA before the call ends.
"I asked for proof of MI licensing before letting anyone in. Two contractors couldn't produce it. FH HVAC sent documentation in under two minutes."
— Corunna, MI homeowner, new system installation"Called FH HVAC in Corunna, MI on a Saturday afternoon, had a tech at the door in under an hour, written quote before they started, invoice matched the quote exactly. I've never had an easier contractor experience in Corunna, MI."
"Our business in Corunna, MI had an HVAC failure during a client event. I didn't think anyone would respond that fast on a Friday evening. FH HVAC had a commercial technician there in 50 minutes, diagnosed and fixed within two hours. Nothing we planned had to be cancelled."
"Two years on the maintenance plan in Corunna, MI. At the spring tune-up this year they found a slow refrigerant leak in my evaporator coil. Caught and fixed at the maintenance pricing. That would have been an emergency call in August at double the cost."

FH HVAC covers all of Corunna, MI with licensed technicians, written upfront pricing, and live 24/7 dispatch. One call. Real ETA. No runaround.
📞 Call +1-844-586-3138 — Corunna, MI Live Dispatch