(557) 256-7420
HVAC in Columbia, MO: tree-lined residential street with an outdoor AC unit beside a home

HVAC in Columbia, MO

Expert HVAC Service in Columbia, MO

Reliable heating and cooling service for area residents and businesses, with same-day availability.

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Our technicians providing HVAC in Columbia, MO

Experienced HVAC Pros You Can Count On

Serving this community and the surrounding area, Florissant HVAC delivers reliable HVAC repair and installation with fast response times and lasting results that local homeowners depend on.

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Trusted Columbia HVAC Service

Columbia homeowners don't call an HVAC company on a good day. They call when the AC dies in a heat wave, when the furnace clicks but never lights, when one bedroom stays freezing no matter what the thermostat says. Florissant HVAC built its local reputation on those calls: answering fast, arriving with stocked trucks, and fixing the actual fault instead of selling a new system. From quick capacitor swaps to full heat pump conversions, our technicians handle every job with straight answers and honest numbers, and we treat your home like it belongs to a neighbor, because around here, it does.

Dirty and clean air filters compared during a visit in Columbia
A clogged filter is one of the most common causes of weak airflow and frozen coils.

Heating and Air Conditioning Service Across Columbia

Whether you own a single-family home, a small apartment building, or a commercial space in town, we have the know-how and equipment to handle every heating and cooling need. Our technicians bring years of hands-on experience with central air conditioners, gas and electric furnaces, heat pumps, and ductless mini-splits throughout the area, and we pay close attention to the climate patterns, housing stock, and local code requirements that shape how systems perform in this area.

Most homeowners we meet need one of three things: a repair, a replacement, or regular maintenance. Repairs are usually quick: a failed capacitor, a dirty flame sensor, a slow refrigerant leak, or a worn-out blower motor. Replacements get a proper load calculation, not a guess based on the old unit's tonnage, which keeps temperatures even and stops the new equipment from short-cycling its way to an early failure. Maintenance visits cover coil cleaning, a refrigerant charge check, safety control testing, and a static pressure reading, and nothing does more to extend the life of your system.

Commercial work makes up a large share of our work too. We service rooftop units, split systems, and ventilation equipment for restaurants, retail stores, offices, and multi-unit properties, knowing that a day without cooling hurts your bottom line. To keep that downtime short, we keep common commercial parts stocked, diagnose fast, and schedule repairs around your operating hours whenever possible.

When Your System Fails in Columbia

Heating and cooling failures rarely wait for a convenient day, which is why we offer fast, flexible scheduling for most situations. When you call, you'll speak with a real person who gets a technician dispatched to your door without delay. Our typical arrival window in the area is typically within a day for urgent calls, and a dead AC in a heat wave or a furnace out on a freezing night is the kind of call we move to the front of the line.

Common emergencies we handle include air conditioners blowing warm air, outdoor units that hum but won't start, furnaces that ignite and then shut down, breakers that trip every time the system runs, frozen evaporator coils, clogged condensate drains backing up into the furnace cabinet, and thermostats that have stopped responding. Our trucks carry the capacitors, contactors, igniters, flame sensors, universal control boards, and fittings needed to complete most repairs in a single visit. Pricing is always upfront, so you know exactly what the work will cost before we begin.

If your AC has iced over, the best thing you can do before we arrive is switch the system off at the thermostat and set the fan to "on" so the coil can thaw. Running it frozen can flood the drain pan and strain the compressor. If a furnace is short-cycling or you smell something burning, turn it off at the service switch and call (557) 256-7420. A few minutes of caution can prevent a much larger repair.

Getting More Years From Your HVAC System in Columbia

Many mid-season breakdowns trace back to skipped maintenance, and the habits that prevent them are simple. Swap your filter every one to three months, clear vegetation at least two feet from the outdoor condenser, and rinse the condenser coil once a year in spring. Then book a professional tune-up each spring and fall, one for cooling and one for heating, so our technicians can catch small problems while they're still cheap to fix.

Age matters too. Most central air conditioners last 12 to 15 years, furnaces 15 to 20, and heat pumps 10 to 15 with regular service. If your system is past that window and starting to struggle, such as rising energy bills, rooms that never feel comfortable, or repairs stacking up season after season, a planned replacement is nearly always less expensive and much easier on you than an emergency one in the middle of a cold snap.

If comfort problems do show up, acting quickly keeps them small. A weak capacitor is a quick fix. The same capacitor left alone for a season can take the compressor with it and turn a minor repair into a full system replacement. It's smart to keep our number saved on your phone so you can reach us at the first sign of trouble. Early intervention saves time, money, and miserable nights.

Comfort Challenges Columbia Homeowners Face

The service calls we run around here follow familiar patterns. In summer it's warm air from the vents, weak capacitors that finally quit on the first hot week, and iced-over evaporator coils. In winter it's furnaces that light and shut back down, dirty flame sensors, and igniters that fail on the first cold night. Year-round we see clogged filters choking airflow, rising energy bills from dirty coils, and ductwork that leaks conditioned air into attics and crawlspaces. All of them start small, and all of them cost less to fix early. If your system is acting up, call (557) 256-7420 before the season turns it into an emergency.

Local HVAC Experts

As a locally-operated HVAC company, we understand the unique challenges homeowners here face. From iced-over coils to furnaces flashing error codes, our technicians are equipped to handle it all.

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Our Local HVAC Services

Our local team handles heating and cooling systems of every type for both homeowners and businesses, including:

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Why Columbia Homeowners Trust Us

Choosing an HVAC company comes down to trust, and trust is earned on the job. Florissant HVAC earns it by recommending the $150 repair when that's what the system needs, by sizing replacements with real load calculations instead of guesswork, and by standing behind every repair long after the visit ends. Same-day service is available for most calls, and every visit ends with the system tested and your questions answered.

HVAC technician walking up to a Columbia home with his tools

Common Heating & Cooling Questions

Check the thermostat setting and batteries, the filter, and the breakers for both the indoor and outdoor units. If the outdoor unit hums but won't start, or ice has built up on the copper lines, shut the system off so the compressor isn't damaged and call us at (557) 256-7420. We'll get a technician headed your way right away.
We always quote before we start, so you know the price up front. As a general range, typical repairs run $150 to $650 depending on the part and system, and complete new systems run roughly $5,000 to $12,000 installed depending on size and efficiency. Your exact price comes from an on-site diagnostic at your home, and the quote you sign off on is what you pay, with no surprise line items.
Yes, and for most homeowners it's the smartest money you can spend on a system. Twice a year, a technician cleans the coils and burners, checks the refrigerant charge and combustion, tests capacitors and safety controls, and measures airflow from supply to return. Catching a weak part at a tune-up costs far less than a breakdown in the peak of summer, and lower energy bills often cover the cost of the visit.
Most calls get a same-day appointment, and an emergency with no heat or no AC gets priority over routine work. When you reach us at (557) 256-7420, you'll get a realistic arrival window, and since the technician shows up with capacitors, contactors, igniters, and motors on the truck, the job usually wraps up in one trip.
The brand name on the cabinet rarely matters. Our team work on Carrier, Trane, Lennox, Rheem, Goodman, York, and the other major names you'll find around here. On the ductless side, we see plenty of Mitsubishi, Fujitsu, and LG. Most fixes use universal parts that ride on the truck, and brand-specific components are quick to source when needed.
Absolutely. Mini-splits are a great fit for additions, garages, sunrooms, and older homes that never had ductwork. We size each zone to the actual room, place the indoor and outdoor units thoughtfully, and take care of the line set, condensate drainage, and electrical connections correctly. If a ducted system is the better fit, we'll say so.
There's no single cutoff, but some guidelines help. Most part failures on systems under about 10 years old are worth repairing. Past the 15-year mark, or after a failed compressor or cracked heat exchanger at any age, a replacement usually comes out ahead, and newer equipment brings real efficiency gains. We'll show you both numbers up front and let you decide, because we'd rather earn your trust than sell you a system early.
Yes. We repair all major brands of air conditioners, furnaces, heat pumps, and ductless mini-splits. When a system is past repair, we handle the entire replacement: removing and disposing of the old equipment, installing a properly sized new system, and testing everything in every mode. You get a clear quote for each option before you decide.

Also Serving Nearby Communities

Live just outside this area? We likely serve your neighborhood too.

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