About Us

24 Hour Heating & Air Conditioning in Denham Springs & Baton Rouge

Bobby Annison and Don Bitter founded Annison-Bitter Heating & Air Conditioning, Inc. in 1993 and, for the past 26 years, we have focused on excellence—both in our HVAC services and in our customer service. Bobby and Don started out by providing outstanding HVAC services for new construction, design/build, commercial, and residential clients for Livingston Parish and beyond, and we continue to do so today.

As a small, family-owned and operated business, we treat our clients as extensions of our own families. We prioritize integrity in our heating and cooling services and will go the extra mile to ensure that your project is completed correctly and to your satisfaction. Give us a call today to see how we can serve you.

Call (225) 500-2035 today to request an estimate from one of our friendly HVAC contractors in Denham Springs & Baton Rouge. 

Prompt, Professional & Reliable Service from Central City to Baton Rouge

Our team of HVAC repair service professionals is built of capable service personnel with more than 100 years of combined mechanical experience. No job is too big or too small for us to handle and we will do so in a prompt and professional matter. We will return your calls promptly, provide honest estimates and updates, and do our best to complete your project as quickly and efficiently as possible.

Reasons to choose Annison-Bitter:

  • Licensed, bonded and insured
  • All work performed to code
  • 100+ years of combined experience
  • North American Technician Excellence (NATE) certified
  • Member of the Louisiana Better Business Bureau

Schedule an Estimate with a Denham Springs HVAC Technician

Do not go another day in this temperamental Louisiana weather without a functional heating or cooling system. We can also provide service for new construction projects. Annison-Bitter Heating & Air Conditioning, Inc. has a live representative ready to take your call 24/7 and will respond promptly to your request for service. We serve commercial and residential clients throughout the Denham Springs, Central City, and East Baton Rouge area.

Contact us today at (225) 500-2035 to schedule an estimate on your HVAC repair service for Livingston Parish, Zachary, Prairieville, & Central City, Louisiana!

Through Our Care, We'll Give You a Breath of Fresh Air

How We Set the Standard for HVAC Excellence
  • 24/7 HVAC Assistance

    Our services are provided during the day, after-hours, and on holidays and weekends.

  • Free & Detailed Estimates

    The Annison-Bitter Heating & Air Conditioning, Inc. team is trained to repair or install many different HVAC brands.

  • Indoor Comfort Specialists

    We take extreme preventative maintenance measures to keep our customers comfortable year-round.

  • Financing Available

    Need new equipment? We offer special financing for 36 months with approved credit!

Achieve the Year-Round Indoor Comfort You Deserve

Contact Annison-Bitter Heating & Air Conditioning, Inc.
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