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Keep your cool with our 10-year warranty on air conditioner parts!

About Us

Doug’s Heating & Air Conditioning has provided Quad Cities heating and cooling services for residents and business in Iowa and Illinois for over 60 years. In the 1950’s Founder Doug Smith established his Moline Heating and Cooling business; aptly named Doug’s Heating and Air Conditioning. Doug led a successful business and when he retired over 30+ years later, he sold Doug’s Heating and Air Conditioning to his right-hand man Matt Hines in 1985. Brothers Bob and Kyle Hines joined the business, as well, helping grow Doug’s into a team of over 20 factory-trained licensed and insured technicians. Today Doug’s Heating and Air Conditioning services Residential and Commercial needs not only in the Quad Cities Area of Moline, Davenport Rock Island and Bettendorf, but those of Clinton, Muscatine, East Moline, Eldridge, LeClaire, Milan, Coal Valley, Port Byron, Andalusia, Blue Grass, Buffalo and DeWitt as well.

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Raising Your Expectations

Doug’s Heating & Air Conditioning prides itself on enduring service and value. You can expect timeliness and cleanliness on the job sites, which saves you hours of time and trouble. Their fleet includes over 15 service and installation vehicles, so we’re always ready – 365 days a year and 24/7 service.

Fast, friendly, clean and efficient, Doug’s takes care of your Residential Heating and Residential Air Conditioning needs. Whether you’re replacing your heating or air conditioning systems or needing preventive maintenance or emergency service in the Quad Cities or surrounding Area, you should contact Doug’s for your best solution.

Questions? Contact us! >

"Just to let you know your crew did a wonderful job.  Very professional and yet friendly.  Extremely knowledgeable and cleaned up everything as if they were never here.  We would recommend Doug’s to anyone."

— Jolene,  Colona, IL

“We had a very courteous estimator. He showed up on time. We couldn’t ask for a nicer guy. He took about 45-minutes or so, but was very thorough.”

— Jim, Coal Valley, IL

“They wear shoe protectors. They’re very careful and courteous with your property.”

— Jim, Coal Valley, IL

“Prompt, courteous, very professional workmanship...they did a very nice job.”

— Jim, Coal Valley, IL

“They came out exactly when they said they would be here.”

— Gloria, Coal Valley, IL

“The service technicians are like friends. They are very courteous to us, and take the time to explain any questions we have.”

— Gloria, Coal Valley, IL

“Actually I searched around to have my geothermal serviced and they were not only one of the first, but they were one of the only ones that knew how to service the geothermal and knew about geothermal.”

— Vicky, Moline, IL

“I felt like they knew exactly what they were doing. They were on time.  That's important to me, because I work.”

— Vicky, Moline, IL

“I would say they were one of the first companies that I could find that can service geothermal heating.”

— Vicky, Moline, IL

“They stand behind what they sell and they’re there for you.”

— Gail, Moline, IL

“They respect our home.”

—Gail, Moline, IL

“We’re just really happy. We call them for everything.”

— Gail, Moline, IL

“I would recommend them over any other heating and air conditioning company in the Quad Cities.”

— Richard, Moline, IL

“They're courteous, they come on time. They come when they say they're gonna come and they get the job done.”

— Richard, Moline, IL

“They are efficient. They are always on time and very friendly staff.”

— Hemispheres Bistro, Bettendorf

“The exhaust system works perfectly. I mean it’s designed really, really well.”

— Hemispheres Bistro, Bettendorf

"We have a NEW Heating & Air Conditioning System from Doug's & we are VERY HAPPY with it."

— John from Moline, IL

"In this crazy mixed up world where most companies are only focused on money it was great to find a company that honestly cares. I can’t say thank you enough for the great customer service we have received!"

— Sarah from Davenport, IA

"Doug's just made our day! They were here within 3 hours to fix our dead furnace, less than an hour after they arrived we have heat! Thanks so much!"

— Ryan from Rock Island, IL

"Please know that Ben was so very pleasant when he serviced our generator. His kindness toward our little 4 year old grandson left quite an impression...who knows, our little guy may decide on a Htg/AC career and come ask you for a job!"

— Carole from East Moline

"I've owned this house for 7 years and the heating system has never worked as well as it does now!"

— Jim from Moline, IL

"I wanted to let you know that Matt was such a nice man while helping us with our estimate!"


— Mary from Sterling, IL

"I want to commend Ben at Doug's Heating and Air Conditioning on his professionalism and courteousness!"

— Connie from Moline, IL