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When you need AC repair or HVAC service, you want fast, professional response from a company who has the experience and knowledge to get your system up and running. For over 13 years, Serna Services Air Conditioning & Heating has been providing quality HVAC service and AC repair in Limestone County and the surrounding areas.

Whether you are facing an immediate problem or just need regular maintenance, we offer complete HVAC service on all makes and models of equipment. We provide service for both residential and commercial customers, and offer 24-hour emergency care. As a locally owned and operated company, we care about our community.
Services
For over 13 years, we have provided the most attentive HVAC services to both residential and commercial customers in Limestone County. We can help you take the chill off a winter night with a dependable, quality heating system. We work with you to ensure your home or business is the most comfortable and energy-efficient possible.
Serna Services can help you protect the health of your family or employees with thorough duct cleaning services. Dust, debris, and allergens collect in your air system ducts, and every time the air flows through, those contaminants are carried into your home or office. That means, these dangerous particuls are going into your lungs.
Serna Services can help you save money on your energy bill with spray foam insulation in new and existing residential and commercial structures. One inch of spray foam insulation seals the airflow in and out of your home or business by up to 95 to 98%. Your one-time cost can reduce your utility bills by nearly 50%, and the foam never needs to be re-applied!
Keep cool and comfortable when it heats up outside with an air conditioner you can rely on. Our home air conditioners and central air conditioners cool the hottest days with reliability and efficiency you can count on year after year. Air handlers make sure newly cooled or heated air gets to every corner in your house, even the tight spaces.
Reviews (6)
Fred Neale
Fred Neale
Aug 14, 2021
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Serna is fast, efficient and their prices are more than fair. We have used them h for years for all our HVAC needs.
Sandy Fears
Sandy Fears
Jul 02, 2021
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They were here when they said they would be, even during peak season. They quickly assessed the problem and offered a solution. They parts were ordered, there was great communication and the install team was great. Everyone has been very professional, exceptional service and reasonably priced for the amount of work and installation they did.
Courtney Hodge
Courtney Hodge
Jul 02, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
I manage rental property in a small community. Serna Services always comes right away when I need them. They do a great job and have fair prices. Would most definitely recommend them!
Services: HVAC repair, Thermostat installation
Berenice Escobedo
Berenice Escobedo
Jun 22, 2021
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Positive: Professionalism, Punctuality, Responsiveness
Although they stay very busy during summer times they are always very good about sending someone as soon as they can, they are very good at their job and professional they found the problem of my AC very quickly and fixed it, Also the customer service representatives are friendly, courteous and very helpful!!
Service: AC repair
David Houston
David Houston
Jun 22, 2021
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Serna was awesome. I would highly recommend them. I called them late Saturday afternoon not expecting them to get to my house until Monday, but they were there within a couple of hours and my AC was working not long after they arrived. I was expecting to pay a premium and I was wrong again the price came in a good 50% less than what I expected to pay
Katie Huff
Katie Huff
Dec 28, 2020
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Professional, and proficient staff!
They know what they're doing! Within the first 5 minutes the technician discovered the problem, that another company had failed to discover! He then thoroughly explored the issue. He made sure to explain to me what was going on with it, as well as the subsequent problems associated with it. He quickly implemented a plan and got me a quote. Within 3 days they were back and fixing the issue! The technicians were personable, polite and professional! Will definitely recommend to family and friends!