Welcome to Kelly Heating & Air Conditioning

Your Heating and Cooling Experts

For over six decades, Kelly Heating & Air Conditioning has created more comfortable homes and businesses in Clinton, IA and the surrounding areas!

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Heating Installation

Fulfilling both residential and commercial applications to unmatched standards of quality, we offer innovation and ingenuity.

A/C Installation

We provide residential and commercial cooling system installation services for new construction projects as well as retrofits.


We provide seasonal maintenance for your heating and cooling equipment.


We can help you finance your new air conditioning or heating equipment purchase.

See What Our Happy Clients Say

Our boiler went out days before the -50° temps. They had a technician out to our house within 2 hours of calling them! Had our new boiler in within a few days. From start to finish they were fast, courteous and very helpful!

Abra R.

This place is a godsend! I came in after searching every where for a blower motor for my sister in laws trailer. She has kids and has been without heat for days now. I came in here after hours…

Jen W.

I’ve been having them help me with various jobs, large and small for many years. Always willing to accommodate, expert work, and do whatever it takes to solve the problem. Friendly and efficient. Good people, good work.

Robin N.

I have used this company many times for rental properties. Calls returned, kept me up to date on what was going on. Never a surprise. I worked with two other HVAC companies previously with mixed results…

Thomas D.

We are very pleased with Kelly air conditioning We had Air Conditioning installed in our home 2weeks ago Great Job very professional Great guys Then we made a appt. with them to recheck our new unit…

Michael G.

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…

Steve S.

Top-Quality Heating & Cooling Services

We’ve continued to expand our resources and coverage area due to our commitment to exceptional customer services. We treat our clients right, stand behind our products and achieve unmatched value from your investment. Get in touch at (563) 243-3823 for a free estimate and take confidence in our determination to satisfy.

We are a family operation originally started as Kelly Heating and Oil in 1954. Just like our name, we’ve evolved with the times without losing our core principles of honesty, integrity, and quality. Concentrating on residential and commercial HVAC, we offer a rewarding diversity of expertise, handling your needs from new construction installation to replacements, ongoing maintenance, and repairs. 

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Trusted HVAC Repair, Maintenance & Installation

Our list of services represents progressive opportunities to elevate temperature control, indoor air quality, and energy efficiency. We save you time and money through superior reliability, lifespan, and management of essential systems. Upholding qualification as a Bryant Factory Authorized Dealer, our licensed professionals are knowledgeable in a broad spectrum of industry-leading HVAC and IAQ technology. 

At Kelly Heating & Air Conditioning, we find the right solution for your exact requirements and no challenge is too tough. You’re going to be impressed with the technician who shows up at your door. We present options, explain what we’re doing and why and make sure you’re in agreement. For emergency service, we’re available to provide swift, skilled assistance 24/7, anywhere across Morrison, IL, Camanche, IA, Clinton, IA, Thomson, IL and McCausland, IA.

Schedule Service

Our highly skilled team is always ready to serve you.
Browse Our Special Offers
Available Rebate

Alliant Energy:

  • 96% Efficient Furnace – $180
  • 15 SEER AC – $150
  • 16 SEER AC – $300

MidAmerican Energy:

  • 15 SEER AC – $75
  • 16 SEER AC – $150

Please contact Kelly Heating & Air Conditioning at (563) 243-3823 for more information.

Financing Available

Please contact Kelly Heating & Air Conditioning at (563) 243-3823 for more information or visit our Financing page.

iWave Air Purifier

$727 Installed – Save $100 over regular price.

Clean Your Air, Reducing Bacteria & Viruses. We offer a variety of indoor air quality solutions. Please contact Kelly Heating & Air Conditioning at (563) 243-3823 for more information.

Furnace Service, AC Replacement, HVAC Repair, Heat Pump Installation & AC Installation Clinton, IA, Camanche, IA, Morrison, IL, Thomson, IL & McCausland, IA

Ductless Split Installation Clinton, IA | AC Installation Camanche, IA | Smart Thermostat Installation Morrison, IL

Furnace RepairHVAC InstallationAir Conditioning ServiceSmart Thermostat InstallationDuctless Split Installation ∴ Camanche, IA ∴ McCausland, IA ∴ Thomson, IL

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