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Your Trusted HVAC Partner in Clinton, IA
Kelly Heating & Air Conditioning has been a trusted provider of comprehensive HVAC solutions for residential and commercial clients in Clinton, IA and surrounding areas for over two decades. Our family-owned business combines extensive industry experience with a commitment to exceptional service, delivering cutting-edge heating, cooling, and air quality solutions that ensure customer comfort and peace of mind. With a team of certified technicians and a focus on reliability, professionalism, and customer satisfaction, we address HVAC emergencies promptly and offer tailored maintenance, repair, and installation services.

Our dedication to quality is reflected in our use of advanced diagnostic tools, state-of-the-art equipment from leading manufacturers, and comprehensive indoor air quality solutions designed to enhance health and comfort. We prioritize transparent communication, competitive pricing, and personalized service agreements to meet diverse client needs while maintaining a strong reputation built on trust and integrity.
Services
Heating Repair AC Installation Indoor Air Quality Commercial HVAC Ductless HVAC Geothermal Heat Pumps Preventive Maintenance Emergency Services WiFi Thermostats Boiler Installation
Highlights and features
  • We offer 24/7 emergency HVAC services for urgent needs.
  • Our family-owned business has served the community for over 20 years.
  • Certified technicians use advanced tools and techniques for precise diagnostics.
  • We provide financing options to make HVAC upgrades accessible.
  • Comprehensive service agreements ensure long-term system performance.
What people say
Prompt service Professional technicians Excellent service Competitive pricing Customer satisfaction
Services
Heating Repair
Our heating repair service addresses furnace and boiler issues with rapid diagnostics and same-day part replacements. Certified technicians handle gas leaks, ignition failures, and system malfunctions for residential and commercial properties. We prioritize emergency calls and use fully equipped service vehicles to resolve 90% of issues in one visit.
AC Installation
We install energy-efficient air conditioning systems tailored to property size and climate needs. Our technicians assess insulation levels and ductwork condition before recommending 15-18 SEER units from trusted brands. The installation process includes refrigerant line setup, thermostat programming, and performance testing to ensure optimal cooling efficiency and humidity control.
Indoor Air Quality
Our indoor air quality solutions combine HEPA filtration, UV light purification, and humidity control systems. We perform air quality assessments to identify allergen sources and recommend whole-home purification systems that reduce airborne contaminants by 98%. Services include duct cleaning, dehumidifier installation, and carbon monoxide testing for safer, healthier indoor environments.
Commercial HVAC
We provide commercial HVAC maintenance and rooftop unit replacements for businesses in Clinton and surrounding areas. Our NATE-certified technicians service systems up to 10 tons, including VRF systems and high-velocity HVAC for retail spaces. Preventive maintenance plans include quarterly inspections, coil cleaning, and energy efficiency audits to reduce operational costs.
Geothermal Heat Pumps
Our geothermal installation service designs ground-source heating systems using closed-loop configurations. Technicians conduct soil conductivity tests and space load calculations to determine system size. We handle horizontal loop installation and connect systems to existing ductwork, providing 40-60% energy savings compared to traditional HVAC while qualifying for federal tax credits.
Questions
Do you offer 24/7 emergency HVAC service?
Yes, our technicians are available 24 hours a day, 7 days a week for urgent heating and cooling emergencies.
What areas do you service?
We serve Clinton, IA and surrounding communities including Morrison, IL, Camanche, IA, and Thomson, IL.
Are financing options available?
Yes, we offer flexible financing plans for HVAC system replacements and major repairs. Contact our office for details.
Do you provide indoor air quality assessments?
Yes, our technicians perform comprehensive air quality tests to identify pollutants and recommend purification solutions.
What HVAC maintenance plans do you offer?
We provide seasonal maintenance agreements with priority scheduling, system inspections, and 10% off repair services.
Reviews (6)
LuAnn Short
Dec 28, 2021 Report
I had a repairman cone to my house to listen to the new blower motor on my furnace that I thought was louder than it should have been. We stood there and he said that's how it's suppose to sound and left. The whole time was 2 minutes. I received a bill for an AC tune up which included inspecting wires, contacts, capacitors & relays. Inspect coolant levels, inspect and clean condenser and inspect compressor start up. None of which was done or could have been done in 2 minutes. I called and said I expect to pay for a service call but I didn't get an AC tune up. Office person said she'd talk to their
Steve Sharer
Sep 28, 2021 Report
We had fast professional service on a new furnace and central air unit. We had a quick response from Mark who came out and looked things over and priced out a new unit when ours failed in 90 degree heat. . Our installation was done in a very prompt and organized manner. Our installer Tristan took his time with the details, like how the wires were run nicely and neatly. Explained things clearly. The area was left clean after removal of the old furnace and air conditioning unit. The office supplied all the paperwork on our rebate and completely filled it out for us. We just had to sign it and mail
Mardell Mommsen
Aug 04, 2021 Report
Had extensive water damage due to an AC unit. Mark came out as soon as he was aware of the situation and fixed it.
Thom Jones
Jul 23, 2021 Report
We have multiple AC units in our home, which was built in two stages. One of them, installed circa 1990, and maintained well for our 6 years, finally failed in June 2021. We called Kelly, and they sent out a very professional technician, Mike, who evaluated the problem, checked the other units, and took pictures of the technical specifications of the unit that had failed, for his boss, Mark Kelly, to come out and do a bid. We were very happy with Mike. After several days, Mr. Kelly still had not called to set up an appointment to come out and spec the job. I called the office again, and was able
Cathy Birdsley
Jun 17, 2021 Report
Positive:Quality
Would be nice if the called to tell me they werent coming & when they would be here.
Service:AC maintenance
Mdw
May 15, 2021 Report
Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Great company to work with, very friendly staff, and good prices. Their work is very professional and neat.
Services:Install AC,Installation