A broken HVAC system in Old Lyme, CT isn't a someday problem. FH HVAC dispatches a certified local tech with upfront pricing and a real ETA within minutes of your call.

The typical HVAC experience in Old Lyme, CT involves waiting, vague estimates, and invoices that don't match what you were told over the phone. FH HVAC is built to be the opposite of that.
Every tech FH HVAC dispatches in Old Lyme, CT is locally positioned, CT licensed, NATE certified, and EPA 608 credentialed. They know the HVAC systems common in this market and the seasonal patterns that cause the specific failures we see most often in Old Lyme, CT.
Before we touch anything, you get a written quote. When the job is done, you get a 90-day parts and labor guarantee — documented on the invoice. Simple, consistent, and we've held to it since day one.
All six of these services are available in Old Lyme, CT, performed by CT-licensed technicians, backed by our written guarantee.
Your system quit in Old Lyme, CT and you need someone right now — not a callback. Calling +1-844-586-3138 connects you to a live Old Lyme, CT dispatcher immediately. A licensed technician gets rolling toward your address with an ETA before you hang up. Our trucks carry the most common repair parts for Old Lyme, CT's prevalent HVAC systems, so we resolve most Old Lyme, CT emergency calls without a return trip. Your written quote comes before we start — always.
Old Lyme, CT Emergency Dispatch: +1-844-586-3138 →Whether you're replacing a system that finally gave up or dealing with a specific repair in your Old Lyme, CT home, the approach is the same. our residential team brings the right tools and the right knowledge of the systems common in this market. We never guess system size in Old Lyme, CT. Every new installation starts with a Manual J load calculation. Getting this wrong means a system that cycles constantly and fails years ahead of schedule. All major brands serviced. All CT permits handled.
Book Old Lyme, CT Home Visit: +1-844-586-3138 →A broken HVAC system in your Old Lyme, CT office, restaurant, or retail space translates directly to lost productivity or lost revenue. In food service, it can mean health code complications. In offices, it means people can't work. FH HVAC's commercial team handles rooftop units, large split systems, VRF and chiller work, and ongoing maintenance agreements for commercial properties throughout Old Lyme, CT. Our commercial jobs are coordinated around your operating hours.
Commercial HVAC in Old Lyme, CT: +1-844-586-3138 →Old Lyme, CT residents deal with indoor air quality challenges that depend on the season — high humidity in summer, dry air in winter, allergens and dust year-round. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, humidity control equipment, and energy recovery ventilators sized for this climate. The impact on respiratory health is measurable and consistent for households that make this upgrade.
Air Quality Service in Old Lyme, CT: +1-844-586-3138 →Heat pump and ductless mini-split installations in Old Lyme, CT have picked up significantly as homeowners see the efficiency and dual-season benefits. For additions, garages, and converted spaces in Old Lyme, CT where ductwork would mean opening walls, ductless is typically the right call. Our technicians are factory-trained on all major brands and service everything from installation to seasonal efficiency verification.
Old Lyme, CT Ductless & Heat Pump: +1-844-586-3138 →Maintenance plan members in Old Lyme, CT consistently have fewer emergency calls than comparable non-plan households. The plan covers two annual tune-ups, refrigerant checks, electrical inspection, coil cleaning, priority scheduling, and a 15% parts and labor discount year-round. The avoided emergencies alone usually justify the plan within the first season.
Maintenance Plan in Old Lyme, CT: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call FH HVAC in Old Lyme, CT.
A live dispatcher answers in Old Lyme, CT — day or night, weekends, holidays. Your location is logged and dispatch starts immediately.
The nearest CT-licensed technician is routed to your address. Most Old Lyme, CT customers have a tech on-site in under an hour.
After diagnosis, your Old Lyme, CT technician hands you a written, itemized quote. Nothing begins until you've reviewed and approved it.
The job gets done right and backed by a 90-day parts and labor guarantee. If it fails within the window, we come back at no charge.
These are operating standards, not taglines.
Verbal quotes are how Old Lyme, CT customers end up with invoices they didn't agree to. Every Old Lyme, CT job starts with a written, itemized quote you sign before work begins.
Proximity to Old Lyme, CT is intentional, not accidental. Average on-site time in this market is under 60 minutes, including during peak summer and winter demand.
Old Lyme, CT licensing, liability coverage, NATE cert, EPA 608. All current, all on file, all available to review before any job starts in Old Lyme, CT.
If a repair we did in Old Lyme, CT fails within 90 days, we return and fix it at no charge. The guarantee appears on your invoice because verbal assurances aren't guarantees.
Calling +1-844-586-3138 at 2 AM in Old Lyme, CT gets a person, not a machine. Your ETA is confirmed before the call ends.
Old Lyme, CT maintenance plan customers have dedicated scheduling that doesn't share the general queue. Plus a 15% discount on any repair parts and labor, all year.
"In Old Lyme, CT on a July weekend with no AC, I expected a two-day wait. FH HVAC had a tech there in under an hour. Same-day fix, exact quoted price. Nothing like I've experienced with other contractors."
"We run a small retail shop in Old Lyme, CT and our HVAC went down on a Tuesday during a sale event. FH HVAC had a commercial tech there within the hour, the issue was a failed contactor, and we were back to normal temperature before we lost foot traffic. The price was exactly what they said. Five stars, no question."
"I've been a FH HVAC maintenance plan member in Old Lyme, CT for two years. The spring visit caught a developing refrigerant leak in the evaporator coil and fixed it at the tune-up discount. That avoided what would have been an emergency call in August when it finally failed — and August emergency rates are not fun.

Don't sit with a broken system in Old Lyme, CT waiting on a callback that may or may not come. Call +1-844-586-3138 right now and speak to a live dispatcher who will get a licensed tech to your door fast.
📞 +1-844-586-3138 — Ac Installation in Old Lyme, CT, 24/7