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33 Years
experience
Emergency
services
Expert HVAC Solutions in Baton Rouge, LA
Bitter Heating & Air Conditioning, Inc. has been dedicated to excellence in HVAC services for over 26 years. As a family-owned and operated business, we prioritize integrity, treating each client as an extension of our family. Our team of NATE-certified technicians brings over 100 years of combined mechanical experience, ensuring top-tier service for residential and commercial clients in Baton Rouge, Denham Springs, and surrounding areas. We specialize in HVAC installations, repairs, and maintenance, adhering to the highest standards of quality and customer satisfaction.

Our commitment to preventative maintenance and energy efficiency helps clients reduce costs while maintaining optimal comfort year-round. With 24/7 emergency services and a focus on transparency, weve built a reputation as a trusted Rheem Pro Partner, backed by the Louisiana Better Business Bureau. Our dedication to prompt, professional, and reliable service has made us the premier choice for HVAC solutions in Southeast Louisiana since 1993.
Services
HVAC Installation AC Repair Heater Replacement Air Duct Cleaning 24/7 Emergency Services
Details
  • Year established: 1993
Highlights and features
  • Licensed, bonded, and insured professionals
  • 100+ years of combined mechanical experience
  • 24/7 HVAC emergency assistance available
  • Free, detailed estimates for all projects
  • Indoor comfort specialists with local expertise
Associations and certifications
  • Rheem Pro Partner
  • North American Technician Excellence (NATE) certified
  • Louisiana Better Business Bureau
What people say
Prompt, professional, reliable 24/7 emergency assistance Trusted local expertise Transparent pricing Long-term customer satisfaction
Services
HVAC Installation
Our HVAC installation services ensure energy-efficient, code-compliant systems tailored to Louisianas climate. We assess property size, insulation, and energy needs to recommend optimal units. With licensing and insurance, we handle permitting, SEER ratings, and post-installation training. Clients receive warranty documentation and annual tune-up guidance, ensuring long-term reliability. Our process minimizes disruptions while maximizing comfort and energy savings for residential and commercial properties.
AC Repair
We specialize in diagnosing and repairing all AC systems, including central units, heat pumps, and mini-splits. Our NATE-certified technicians address issues like weak airflow, frequent cycling, and refrigerant leaks. Free estimates and preventative maintenance tips ensure systems operate efficiently, reducing energy costs. Emergency repairs are available 24/7, with rapid response times to restore comfort during Louisianas hot summers.
Heater Replacement
Replacing outdated heating systems with energy-efficient models reduces utility bills and improves comfort. We install furnaces, boilers, and heat pumps suited to local humidity and temperature fluctuations. Our team evaluates age, repair history, and efficiency to recommend cost-effective replacements. Financing options and rebates help clients budget for upgrades, ensuring long-term savings and reliability through Louisianas mild winters.
Air Duct Cleaning
Professional air duct cleaning removes allergens, dust, and mold, improving indoor air quality and HVAC efficiency. Our technicians use advanced tools to clean contaminants from ductwork, reducing health risks and extending system lifespan. Services include mold remediation, pest control, and airflow optimization. Recommended every 23 years, this service enhances energy efficiency and ensures healthier living environments in Baton Rouge and Denham Springs.
People
Don
Owner
As owner of Bitter Heating & Air Conditioning, Don leads with over 26 years of HVAC expertise. A Baton Rouge native, he prioritizes family values and integrity, ensuring clients receive personalized, reliable service tailored to Louisianas unique climate challenges.
Trey
Maintenance Technician
Trey, a skilled maintenance technician, delivers personable service with attention to detail. Known for his expertise in semi-annual HVAC maintenance, he provides tailored advice on filters and efficiency, ensuring systems operate smoothly for residential clients in Baton Rouge.
Shane
HVAC Technician
Shane brings decades of experience to HVAC repairs, known for prompt, accurate diagnostics and transparent communication. His commitment to resolving complex issues efficiently has earned him recognition from long-term clients as a trusted service expert.
Questions
Do you offer 24/7 emergency HVAC services?
Yes, we provide 24/7 emergency HVAC repairs for urgent heating and cooling issues.
Are financing options available for new HVAC systems?
Yes, we offer special financing for 36 months with approved credit for equipment replacements.
What areas do you serve?
We serve Baton Rouge, Denham Springs, and surrounding areas in Southeast Louisiana.
Are your technicians certified?
Yes, our team includes NATE-certified HVAC professionals and licensed contractors.
How often should HVAC systems be maintained?
We recommend annual maintenance for heating systems and bi-annual checks for AC units.
Do you offer duct cleaning services?
Yes, we provide professional air duct cleaning to improve indoor air quality and system efficiency.