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Your Trusted HVAC Partner in Southern Illinois
Brown's Heating & Air Conditioning has been serving communities across southern Illinois for over two decades. As a family-owned business, we specialize in heating, cooling, indoor air quality solutions, and commercial refrigeration services. Our technicians service all makes and models, using top-quality parts to ensure long-lasting results. With a 100% customer satisfaction guarantee, we prioritize prompt emergency service, upfront pricing, and energy-efficient system replacements. Our team stays current with industry advancements through ongoing training, serving residential and commercial clients from Belleville to Salem.

We emphasize preventive maintenance to extend equipment lifespan while reducing utility costs. Our commitment to quality extends to humidity control and air purification systems tailored to local climate challenges. Backed by EnergyStar partnerships, we offer rebates and financing options to make comfort solutions accessible. Customer testimonials consistently highlight our professionalism, expertise, and reliability in resolving HVAC emergencies.
Services
Heating Maintenance Cooling Repairs Air Quality Systems Commercial Refrigeration Emergency HVAC Service System Replacement Maintenance Plans
Highlights and features
  • We offer 24/7 emergency HVAC service with technicians trained on all equipment models
  • Our 100% satisfaction guarantee covers all heating and cooling repairs
  • Energy-efficient system replacements reduce utility bills by up to 30%
  • We service commercial refrigeration units for restaurants and retail businesses
  • Local expertise serving southern Illinois communities since 2004
Associations and certifications
  • EnergyStar
What people say
5/5 STAR RATING Fantastic job Quick and knowledgeable Professional service Great experiences
Services
Heating Maintenance
Our heating maintenance includes comprehensive furnace inspections, coil cleaning, and efficiency testing. Technicians perform safety checks for carbon monoxide leaks while lubricating moving parts to reduce wear. Regular tune-ups extend equipment lifespan and prevent emergency breakdowns during peak winter months.
Cooling Repairs
Emergency cooling repairs address refrigerant leaks, compressor failures, and thermostat malfunctions. We diagnose issues with central AC units and heat pumps, replacing faulty components while checking electrical connections to restore optimal cooling performance.
Air Quality Systems
Indoor air quality services include HEPA filter installation, UV air purifiers, and humidity control systems. Our solutions target allergens, mold spores, and volatile organic compounds to create healthier living environments for allergy sufferers.
Commercial Refrigeration
We service walk-in coolers, ice machines, and refrigerated display cases for restaurants and retail businesses. Maintenance includes coil cleaning, refrigerant level checks, and compressor diagnostics to prevent food spoilage and equipment failure.
Emergency HVAC Service
Our 24-hour emergency service responds to heating and cooling system failures at any time. Technicians carry common replacement parts to resolve urgent issues immediately, minimizing discomfort for residential and commercial clients.
People
Gene Allen
Owner
Gene Allen founded Brown's Heating & Air Conditioning to provide reliable HVAC solutions for southern Illinois residents. With decades of industry experience, he oversees daily operations while maintaining hands-on involvement in complex service calls.
Questions
What HVAC services do you offer?
We provide heating repairs, cooling system installations, indoor air quality solutions, and commercial refrigeration services for residential and business clients.
Do you offer emergency service?
Yes, our technicians are available 24/7 for urgent HVAC repairs with no additional after-hours charges.
Which areas do you service?
We serve southern Illinois communities including Belleville, O'Fallon, Trenton, Salem, and surrounding areas within a 50-mile radius.
What maintenance plans are available?
Our Service Club Membership includes twice-yearly system inspections, priority scheduling, and discounts on repairs and equipment replacements.
Do you honor satisfaction guarantees?
We stand by a 100% satisfaction guarantee covering all labor and parts for 30 days post-service.
Are financing options available?
We offer flexible financing through approved partners for new system installations and major HVAC upgrades.