Heating & Air Conditioning in Baton Rouge

Available 24/7 for Emergencies

Annison Heating & Air Conditioning is the premier heating and cooling service provider serving Baton Rouge and Denham Springs. As a family-owned and locally operated company, we are focused on making sure that you receive the level of customer service you deserve. That's why our team is available 24 hours a day, 7 days a week to provide you with outstanding HVAC service. Whenever you are in need of our help, trust and believe that we'll be there for you.

We have the knowledge and expertise to handle a wide range of common heating and cooling problems, including heat pumps, furnaces, central air conditioners, thermostats, and preventative maintenance. Our team is dedicated to making sure that you remain comfortable during every season. We make pricing affordable, offer coupons on an ongoing basis, and provide free estimates for that reason.

Reliable HVAC You Can Count On

Your comfort is our top priority at Annison Heating & Air Conditioning. Whether you need help with your indoor air quality, heating, cooling, or any other portion of your HVAC system, skilled and reliable service are always guaranteed with us. Whatever make or model your heater or air conditioner might be, we have the tools and knowledge to effectively and efficiently service it. With more than 15 years of experience in the heating and cooling industry, you can rest easy knowing that our insured and bonded company can help you with honest, affordable, and reliable services.

Mobile App For Even More Convenience

We are all about serving the customer which is why we created this amazing mobile app just for you. Just text ACC to 36260 for the free app! Or click here for quick a tutorial.

Receive outstanding HVAC services today by calling us or filling out our contact form.


On-Call HVAC Help
When You Need It

Enlist Established Service experts Who Get the Job Done Right the First Time!

When Your Home Gets Too Cool or Hot, Call Annison!

Providing the Best HVAC Service Thanks to Our:
  • 24/7 Emergency Service

    Our team is here for you
    all day, every day.

  • Free Estimates & Coupons

    We help you save money on your heating and cooling!

  • 15+ Years of Experience

    Our skilled technicians service a variety of makes and models.

  • Insured & Bonded Technicians

    We hold ourselves accountable for your peace of mind.

Top-Rated HVAC Providers in Baton Rouge & Denham Springs

Read It for Yourself from Our Customers!
  • “Will definitely be using this company for every a.c. problem!”


  • “ Professional service, was straight forward and didn't do unnecessary work. Highly recommend”


  • “He's polite, genuine and trustworthy, and stands behind his work. You won't go wrong with him!”


  • “Definitely takes care of their customers. Great work, fast service, and dependable”


  • “Very polite and quickly had us up and running after two days with no AC!”


  • “Awesome service! Trey was super nice & very professional. Will definitely call again if I have any other problems”


  • “ Trey is my go-to guy for years to come and I highly recommend him to all.”


  • “He was more than willing to answer my questions and explain to me what he was doing and what my options are for the future”


  • “I would recommend him and his company to friends and family for sure.”


  • “Nothing but good things to say about Annison Heating and Air Conditioning. Wouldn't hesitate to recommend his company to anyone”


  • “We called trey at 8:30 on a Sunday night when our thermostat was at almost 80 degrees! It's 9:55 and trey already has our a/c blowing cold again!”


  • “Phenomenal service would be an understatement. Very meticulous in his work and extremely professional”


  • “That's great service and caring about the customers! Will be recommending you to everyone.”


  • “Awesome customer service! Trey was prompt, efficient, and very reasonable with pricing!”


  • “Trey came out as soon as I called him! Great service!”


Restoring Comfort Around-the-Clock

We Service It All, Big or Small!
Annison Heating & Air Conditioning

Phone: (225) 399-4505

Regular Hours
  • Open 24 Hours a Day, 7 Day a Week -
Service Area:

Denham Springs, Baton Rouge & Surrounding Areas

Stay Comfortable 24/7 Hire Annison Heating & Air Conditioning

When you need help staying comfortable in your home, Annison Heating & Air Conditioning is here to help you. Our HVAC team has the experience and skill to service all makes and models of units. We are available to help you 24 hours a day, 7 days a week, so you can get the help you need.

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