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41 Years
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Emergency
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Expert HVAC Installation, Repair & Maintenance in Florissant, MO
B & B Heating & Cooling has been dedicated to providing exceptional HVAC services in Florissant and St. Charles, Missouri, since 1985. Our team of professionals brings decades of combined experience in heating, cooling, and indoor air quality solutions, ensuring reliable service and installations. We pride ourselves on offering 24/7 emergency support and comprehensive service agreements to meet diverse customer needs. As a Lennox Premier Dealer, we deliver energy-efficient systems and have earned prestigious awards, including the Centurion Award and Partner of the Year, reflecting our commitment to excellence. Our focus on customer satisfaction is evident through our 30-year membership in the Chamber of Commerce and recognition as the #1 HVAC Company by the North Co Chamber of Commerce.

We specialize in furnace repair, air conditioning installation, and maintenance, serving both residential and commercial clients. Our dedication to quality is underscored by our NATE-certified technicians and a range of financing options, including rebates up to $1,800. With two convenient locations in Florissant and St. Charles, we ensure prompt service across the region. Our expertise extends to advanced technologies like smart thermostats and ductless mini-split systems, tailored to enhance home comfort. Backed by a legacy of trust and innovation, we remain committed to exceeding customer expectations through personalized solutions and unwavering service standards.
Services
Furnace Repair Air Conditioning Installation Heat Pump Services Indoor Air Quality Ductless Mini-Splits Boiler Installation HVAC Maintenance Thermostat Upgrades Air Filtration Packaged Systems
Details
  • Year established: 1985
Highlights and features
  • We offer over 35 years of HVAC expertise in Florissant and St. Charles.
  • Our 24/7 emergency service ensures rapid response to urgent heating and cooling needs.
  • As a Lennox Premier Dealer, we provide top-tier energy-efficient HVAC systems.
  • We've earned the Centurion Award for exceptional customer service and installation quality.
  • Financing options available with rebates up to $1,800 for qualifying systems.
Associations and certifications
  • Lennox Premier Dealer
  • Centurion Award
  • Partner of the Year
What people say
Legendary for quality HVAC service 24/7 emergency support Energy-efficient Lennox systems 35+ years of experience Prompt service across regions
Services
Furnace Repair
Our furnace repair service addresses heating system issues with precision and reliability. We diagnose and fix problems ranging from ignition failures to thermostat malfunctions, ensuring optimal performance. With technicians trained in all makes and models, we minimize downtime and restore comfort quickly for Florissant homeowners.
Air Conditioning Installation
We specialize in professional air conditioning installations for residential and commercial properties. Our experts recommend energy-efficient Lennox systems tailored to your space's cooling needs. From unit selection to final testing, we ensure seamless integration with your existing HVAC infrastructure for maximum efficiency and comfort.
Indoor Air Quality
Our indoor air quality services include advanced filtration systems, UV light purification, and humidity control solutions. We address allergens, bacteria, and pollutants using hospital-grade technology that integrates with your HVAC system, creating healthier living environments for families with respiratory concerns.
Ductless Mini-Splits
We install ductless mini-split systems for spaces without traditional ductwork. These energy-efficient solutions provide zoned temperature control for additions, garages, or hard-to-heat rooms. Our technicians optimize placement for quiet operation and energy savings, with smart thermostat integration available.
HVAC Maintenance
Our preventive maintenance plans extend equipment lifespan and prevent breakdowns. Technicians perform comprehensive inspections, cleaning, and calibration of heating and cooling components. Annual tune-ups improve energy efficiency by up to 30% while maintaining manufacturer warranty validity.
Questions
What HVAC services does B & B Heating & Cooling offer?
We provide furnace repair, air conditioning installation, heat pump services, indoor air quality solutions, ductless mini-splits, boiler installation, and HVAC maintenance in Florissant and St. Charles.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency HVAC services for urgent heating and cooling needs in Florissant and surrounding areas.
What financing options are available?
We offer financing with 0% interest for 12 months and rebates up to $1,800 for qualifying Lennox system installations.
Which areas do you serve?
We serve Florissant, St. Charles, Ballwin, Chesterfield, Dardenne Prairie, Ellisville, Ferguson, Hazelwood, Lake Saint Louis, O'Fallon, Saint Ann, Saint Peters, Weldon Springs, Wentzville, and Wildwood.
Are you a certified HVAC contractor?
Yes, our technicians are NATE-certified, and we are a Lennox Premier Dealer with awards for service excellence.
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