4.3 
71 *The Angi rating for Heating And Air Conditioning Service companies in Hilliard, FL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Hilliard, FL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on August 28, 2025
Serving Hilliard, FL and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"I have used K.O. before and again they are a very good company; I would use them again and recommend them with whole heart"
Serving Hilliard, FL and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"fast polite service. This was a vacation rental that needed the dryer vent to be cleaned out asap before quests arrived today. Highly recommend this company."
+7
Serving Hilliard, FL and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Excellent service and rapid response time. Called lickety split for clogged kitchen. Seth was quick and knowledgeable on how to take care of the issue and solved it immediately"
+72
Serving Hilliard, FL and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
"I had an excellent experience with MULTI SERVICE MECH CONTRACTING CORP. From the moment he arrived, everything was handled with a high level of professionalism. He was punctual, respectful, and clearly very knowledgeable about his work. The central A/C installation was done efficiently and with great attention to detail. He took the time to ensure everything was installed properly and working perfectly before leaving. The quality of the work truly exceeded my expectations. I’m extremely satisfied with the results and would highly recommend MULTI SERVICE MECH CONTRACTING CORP to anyone in need of reliable and professional HVAC services."
Serving Hilliard, FL and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
"They were very efficient and even though he had some problems in the small area the hot water heater was installed and works great. Will be requesting a quote for some more plumbing within the month"
Serving Hilliard, FL and surrounding areas
Approved
In business since 1987
Emergency services offered
Warranties offered
"The tech was knowledgeable and helpful. Provided us with different options."
+12
Serving Hilliard, FL and surrounding areas
Approved (Corporate)
In business since 1980
Free estimates
Emergency services offered
"I needed a new air conditioner and saw a promotion at Home Depot. The salesman who responded and came to my house was very patient and personable. The installers were also very personable, dedicated, and knowledgeable. Overall, the experience of having a new air conditioner and air handler with a heat pump installed was pleasant."
Serving Hilliard, FL and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
Creeks Air Specializes in home Comfort. We are located in Northern St. John's County, but service St. John's, Duval, Clay, and the surrounding areas. With over 34 years experience in the manufacturing, design, application, and service of residential and commercial comfort systems, Creeks is equipped to provide all of your comfort needs.\n\nWe strive to provide the best comfort system for your home or office, including duct work modifications in order to provide more even temperatures through out. If you are looking for experienced HVAC system repair and installation experts in Northeast Florida, you have come to the right place.
Serving Hilliard, FL and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Highly recommend CJ Vickers of Nassau Duct Cleaning who cleaned our dryer duct this morning. Best we’ve ever used anywhere we’ve lived. Showed up 5 minutes early. Very polite & professional. Used a camera to first scope the duct for any breaks, gaps, or obstructions. Cleaned the duct & dryer, & surrounding area then put everything back in place. They do more than dryer vents. Highly recommend. Nassau Duct Cleaning (CJ Vickers) (904) 753-1682 (904) 654-8403"
+15
Serving Hilliard, FL and surrounding areas
Approved (Corporate)
In business since 1931
Free estimates
Credit card accepted
United Air Temp, Air Conditioning and Heating, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.
From average costs to expert advice, get all the answers you need to get your job done.
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
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