Your HVAC system works hard every single day. Florissant HVAC keeps it running with expert repairs, right-sized replacements, and maintenance plans built for local homes.
A house with no cooling in summer or no heat in winter can't be put on hold, so we don't. We send experienced technicians out for same-day visits and repairs built around how these systems actually fail in our local homes.
One call handles it all. AC repairs, furnace service, heat pumps, mini-splits, duct cleaning, and emergencies, handled by experienced professionals.
Same-day air conditioner repairs with an upfront price before work starts.
Honest repair-or-replace advice, and clean changeouts when it's time.
Seasonal tune-ups that catch small problems before they strand you.
New furnaces installed with proper venting, gas work, and a full startup test.
Heat pumps sized for your climate, with backup heat set up correctly.
No heat tonight? We find the failed part and get the furnace running.
Targeted comfort for additions, garages, and rooms the ducts never reached.
No-heat calls handled fast, with a safety check on every visit.
New HVAC systems, sized, sealed, and commissioned the right way.
Cleaner air and better airflow, with the debris actually removed.
Repairs for any heating or cooling system, diagnosed with real testing instead of guesswork.
Central air installs with the charge, airflow, and drainage verified.
Available now·Speak with someone about your HVAC needs
When the air conditioning quits or the furnace won't light, you need a technician who finds the real problem and fixes it the same day.
When your AC hums but won't cool, blows warm air, or keeps tripping the breaker, the fix is usually a single worn component. We test the system, find it, and replace it, often the same day. Pricing is upfront, and we'll tell you honestly whether a repair is worth it on an older unit.
A furnace that won't light on a cold night can't wait until morning. Most no-heat calls come down to a dirty flame sensor, a failed igniter, or a blower motor, and our trucks carry the common parts to fix them on the spot. You'll get a clear quote first, plus a safety check of the combustion and venting while we're there.
Not sure if you need professional help? These are the most common heating and cooling problems we fix in homes across the area.
When the AC runs but the house won't cool, the fault is almost always one specific component. We find it and fix it fast.
AC repairShort cycling wastes gas, stresses the heat exchanger, and never quite warms the house. We find the safety control tripping it and fix the cause.
Furnace repairThat slow decline in performance isn't age, it's neglect compounding. A proper clean-and-tune brings most systems back to spec in one visit.
Maintenance & tune-upsA system past 12 to 15 years that needs a repair every season is telling you something. We'll give you the honest math on repair versus replacement.
System replacementDust settling everywhere within a day of cleaning, musty odors when the system kicks on, or allergy flare-ups indoors all point to the ductwork.
Air duct cleaningWe size and mount mini-splits cleanly, proper line sets, condensate handling, and a tidy exterior finish, so they work as good as they look.
Mini-split installationWhen the heat is out in January, hours matter. Our local technicians roll out same-day with stocked trucks, ready to repair on the spot.
We don't cut corners. Our team is experienced, background-checked, and fluent in every major brand, from a 20-year-old gas furnace to the newest inverter-driven heat pump.
We treat your budget like our own: fix what's fixable, replace what isn't, and size every new system to your home instead of the biggest thing on the truck.
We don't just swap the failed part. We check what killed it, airflow restriction, voltage, refrigerant charge, drainage, and correct that too, so the same failure doesn't repeat next season.
HVAC work in Florissant isn't a side market for us, it's the core of what we do here. We've built our reputation one home at a time, learning how local weather and local construction wear on these systems, so the service you get is tuned to this area rather than copied from a national playbook.
Anyone can bolt in a condenser. Lasting comfort comes from understanding the home and the system together, and that's where our years working in this area pay off, fewer callbacks, faster fixes, and installs that pass inspection without drama.
One call connects you with a nearby technician who can size up the problem and get you a quote.
Our 4-step process is designed for accuracy, speed, and zero surprises on the invoice.
Reach us at (557) 256-7420. We'll ask what the system is doing, give honest first guidance over the phone, and set up a visit at your convenience.
We inspect the whole system, not just the obvious symptom, and give you a straight answer: what failed, why, and what repair versus replacement really costs.
Whether it's a ten-minute capacitor swap or a full system changeout, the work is done carefully, tested thoroughly, and left cleaner than we found it.
We verify temperatures at the vents, check the charge, confirm the condensate drains clear, and walk you through what was done. Optional maintenance plans keep the system cleaned, inspected, and running efficiently for years.
Upfront pricing · Same-day service available
There's no mystery to how we handle an urgent failure. Here's the step-by-step of what we do after a homeowner calls for fast help.
Our team answers your call promptly, gathers the information we need, cooling or heating, running or dead, any error codes on the thermostat, and gets you on the schedule, often same-day. We'll walk you through switching the system off if it's iced over or short-cycling in the meantime.
There's no waiting around for days. A fully equipped technician pulls up to your home, often same-day, with the parts already on board to diagnose and start fixing right then.
The technician confirms exactly what failed and why, then fixes it on the spot, and if the system is beyond saving, walks you through right-sized replacement options with real numbers and a realistic timeline.
We verify the fix held and stand behind the work. For older systems we set up seasonal tune-ups to catch the next problem while it's still small, which is the cheapest comfort insurance there is.
"When our old furnace was on its last legs, they walked us through converting to a heat pump instead of just quoting a like-for-like swap. The first winter's bills were noticeably lower, and we got cooling out of the same equipment. Best decision we made on this house."
"Our AC died on the hottest day of the year and they had someone at our door within hours. He found a blown capacitor, swapped it from stock on the truck, and had cold air blowing in under an hour. Fair price, no drama, and he checked the rest of the system while he was there."
"The AC would run for hours and never hit the set temperature. Their tech pressure-tested the lines, fixed the leak, and weighed in the correct charge instead of just topping it off like the last guy. It has kept up through every heat wave since."
We do more than patch the symptom. We give you lasting comfort. Every visit is backed by experienced technicians, quality parts, and a focus on fixing the cause.
Hands-on experience is the gold standard for HVAC work. Every technician on our team has years of field experience across air conditioners, furnaces, heat pumps, and ductless systems, ensuring your home is serviced according to proven best practices.
Doing it right is built into how we install. We handle the refrigerant, gas, electrical, and airflow details precisely, pull permits where local code requires them, and commission the full system before we call it done, and we tell you what we did and why.
We don't wait for failures to profit from them. Every maintenance visit is thorough and documented. For older equipment, a $40 capacitor caught early can save a $2,000 compressor. That's the Florissant HVAC way.
Wherever you are in our service area, we've got it covered, with fast repairs, quality installs, and maintenance plans reaching every community on our list.
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