(615) 537-0369
HVAC in Knoxville, TN: row of townhomes with outdoor AC condensers along the side

HVAC in Knoxville, TN

#1 Rated HVAC Repair in Knoxville, TN

Serving local homes and businesses with expert air conditioner, furnace, heat pump, and mini-split work.

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Our technicians providing HVAC in Knoxville, TN

Experienced HVAC Pros You Can Count On

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

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Knoxville HVAC, Done Right

Knoxville homeowners rarely call an HVAC company when things are going well. 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. Franklin HVAC built its local reputation on those calls: picking up the phone, 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.

Homeowner and technician reviewing a thermostat in Knoxville
A quick walkthrough of the thermostat settings is part of the visit.

Heating and Air Conditioning Service Across Knoxville

Heating and cooling around here means a wide mix of equipment: older gas furnaces on the older streets, high-efficiency heat pumps in recent construction, ductless mini-splits in additions and converted garages, and rooftop units on commercial buildings. Our team works on every one of those systems. Our technicians have years in the field, and we know how the weather here, the age of local homes, and code requirements affect the way a system runs over time.

A normal week for our residential technicians might include capacitor and contactor replacements, flame sensor cleanings, refrigerant leak repairs, blower motor swaps, plus the occasional full system replacement or ductless addition. When we do replace equipment, we size it with a room-by-room load calculation instead of guessing. Right-sized equipment holds even temperatures, keeps utility bills reasonable, and steers clear of the short-cycling that wears out compressors early. Beyond repairs and replacements, we recommend seasonal tune-ups that clean coils, confirm the refrigerant charge, test safety controls, and measure static pressure, the most effective thing you can do for longer equipment life.

For commercial property owners and managers nearby, we service the rooftop units, split systems, and makeup air and ventilation equipment that restaurants, retail spaces, offices, and multi-unit buildings depend on. Our commercial team understands that a hot dining room or a freezing office means lost business, so we prioritize fast diagnosis, stock common parts on the truck, and schedule work around your operating hours whenever we can.

Quick Heating and Cooling Help in Knoxville

When your system quits, how fast help arrives matters more than anything else. That's why we keep scheduling flexible across the area and put a real person on the phone. Emergency calls usually get a technician within a day, and we prioritize a failed furnace in a cold snap or a dead AC in the heat ahead of routine work.

The emergency calls we answer usually follow a pattern. On the cooling side, it's an AC blowing warm air, an outdoor unit that hums without starting, or an evaporator coil iced over. On the heating side, it's a furnace that ignites and drops out. And any time of year, it's breakers that trip whenever the system starts, clogged condensate drains backing water into the furnace cabinet, and thermostats that stop responding. Since our trucks are stocked with capacitors, contactors, igniters, flame sensors, universal control boards, and fittings, most of these get fixed in one visit, with the price agreed before any work begins.

Two common situations call for quick action from you before a technician arrives. The first is an iced-over air conditioner: turn the system off at the thermostat and set the fan to "on" so the moving air thaws the coil, because running it frozen can overflow the drain pan and damage the compressor. The second is a furnace that short-cycles or gives off a burning smell. Shut it down at the switch and give us a call. That small step can save you from a much larger repair.

How Knoxville Homeowners Can Extend HVAC Life

Routine maintenance makes all the difference between a system that runs for years and one that breaks down in the middle of a heat wave. Our advice for homeowners is a short list: fresh filters every one to three months, at least two feet of open space around the outdoor condenser, a spring rinse of the condenser coil, and two professional tune-ups a year, so small issues get caught early.

Age matters too. Most central air conditioners run 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 climbing utility bills, rooms that never quite reach temperature, or a service call every season, a planned replacement is almost always cheaper and much easier on you than an emergency one during the first heat wave of summer.

If comfort problems do show up, acting quickly keeps them small. A weak capacitor is a quick fix. The same capacitor ignored 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 sleepless nights.

Typical Heating & Cooling Issues in Knoxville

Ask any homeowner around here what HVAC trouble looks like and you'll hear the same stories: the upstairs that never cools, the furnace that woke everyone up with a loud bang at 2am, the system that runs all day but never satisfies the thermostat. Behind those stories are predictable culprits: worn capacitors and contactors, low refrigerant charge, undersized returns, and years of skipped maintenance. Our technicians run into these problems every week and carry the parts to fix most of them on the first trip.

Trusted Local Service

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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Heating & Cooling Services We Provide

We provide a full range of residential and commercial HVAC services to residents across the community, including:

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Why Knoxville Homeowners Trust Us

What homeowners here get with Franklin HVAC is simple: fast scheduling, honest diagnosis, and workmanship that holds up. We answer quickly, arrive prepared, and fix the cause, not just the symptom, checking the airflow, charge, and electrical conditions that killed the failed part in the first place. Pricing is agreed up front and doesn't move. Whether it's a midnight furnace failure or a planned system upgrade, the job gets done right the first time.

Technician going over a written estimate with homeowners in Knoxville, TN

Your HVAC Questions Answered

There's no single cutoff, but a few rules of thumb help. Most component failures on systems under about 10 years old are worth repairing. Past the 15-year mark, or after a compressor or heat exchanger failure at any age, a replacement usually makes better financial sense, and newer equipment brings real efficiency gains. We'll give you both numbers up front and let you decide, because we'd rather earn your trust than sell you a system early.
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 problems during a tune-up is far cheaper than a breakdown in the peak of summer, and the energy savings usually cover the cost of the visit.
Yes. We repair every major brand 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, putting in a correctly sized new system, and testing it in every mode. You get a clear quote for each option before you decide.
We work on nearly every brand installed in local homes, including Carrier, Trane, Lennox, Rheem, Goodman, and York, along with ductless systems from Mitsubishi, Fujitsu, and LG. The universal parts on our trucks fit most units, and if a job needs a factory part, we can source it quickly.
Yes, and they're often the best answer for room additions, garages, sunrooms, and older homes that were never ducted. Every zone is sized to the room it serves. We plan where the indoor and outdoor units go and install the line set, condensate drain, and electrical work with care. We'll also be honest if central equipment would serve you better.
Check the thermostat mode and batteries, the air filter, and the breakers for both the indoor and outdoor units. If the outdoor unit hums but won't start, or ice has formed on the copper lines, shut the system off so the compressor isn't damaged and call us at (615) 537-0369. We'll get a technician headed your way as quickly as possible.
Fast. We cover the whole area with same-day appointments for most calls, and no-heat and no-AC calls go to the front of the line. Our trucks are stocked with the most frequently needed parts, including capacitors, contactors, igniters, and motors, so the majority of repairs are diagnosed and finished in a single visit. Call (615) 537-0369 and we'll give you an honest arrival window.
Every quote comes before any work starts, so you know the price up front. For a rough idea, typical repairs run $150 to $650 depending on the part and system, and full replacements run about $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 price you approve is what you pay, no surprises added later.

More Areas We Cover

Our technicians work throughout the surrounding region. See the other areas we serve.

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