About Us

Your family deserves only the best when it comes to indoor comfort. At B & B Heating & Cooling Inc, located in Florissant, MO, our staff of experts are trained to address all of your heating and air-conditioning needs, including air conditioning repair, furnace repair and installation.

Thank you for making us #1 in North County!

We are proud of our 25 years of service in St. Louis and St. Charles, providing indoor air comfort to residential and commercial customers by offering sales, service and installations of high-quality heating, air-conditioning and hot water heating systems from Lennox. We perform air conditioning repair for all makes and models, and we offer up-front pricing prior to commencing any service.


Be sure to ask our staff about:

  • Residential Service
  • Commercial Service
  • Installation & Repair
  • Service of All Makes & Models
  • Safety Agreements
  • Emergency Service

We are licensed in St. Charles and St. Louis counties, as well as the city of St. Louis. We are NATE certified and are recognized as a Dave Lennox Premier Dealer. Call today to receive a free estimate on new equipment.

Proud Member of the North County Chamber of Commerce


  • Residential Yearly Maintenance Agreements on Heating & Cooling Equipment
  • Free Estimates on New Equipment
  • Install Duct Work Systems in Room Additions & Basement Remodels
  • Water Heater Replacement
  • Commercial Yearly Maintenance Agreements on Package Units & Split Systems
  • Repair & Rebuild Existing Equipment (air conditioning repair, furnace repair, etc.)
  • Installation of New HVAC Systems, Up to 25 Tons


Lennox Brand

Check out B & B Heating and Cooling's LATEST commercials
Lennox Comfort Systems
Connect with Lennox

  • Air Conditioning (13.00 SEER – 20.50 SEER)
  • Heat Pumps (13.00 SEER – 19.00 SEER)
  • Gas Furnaces (80%-98.6% Efficiency)
  • Electric Furnaces
  • Boilers
    • Hot Water
    • Steam
  • Humidifiers
    • Aprilaire
    • Honeywell
    • General
  • Air Cleaning
    • Honeywell
    • Electronic
    • Media (Up to 16 MERV)
  • Water Heaters
    • State Brand
  • Thermostats
    • White Rogers
    • Honeywell
Hours Of Operation: Mon - Fri: 8:00 to 4:30 | Emergency Service Available
We Accept: Cash | Check | Mastercard | Visa | Discover

Senior citizen 10% discount on service work



“Service is always prompt and from the time I call to the end of the service, everyone is courteous, friendly and knowledgeable. They respond quickly with an appointment time.”
     - Becky

“I have purchased Lennox AC unit from B & B. They serviced all my products in the past and I will always count on them for all my needs. My friends and a co-worker have used B & B.”
     - Jane

“I’m always very satisfied with B & B Heating and Cooling. They give excellent service, always helping me and explaining everything.”
     - Hazel

“We have dealt with B & B for over 30 years and would feel no need to think of using anyone else.”
     - David

“We have used B&B Heating and Cooling numerous times over the years. They have always been very helpful.”
     - Richard

“Mike has sold/serviced my air/furnace for over twenty years. Always the best.”
     - Ronald

“The office help was extremely helpful and courteous.”
      - Jack

Contact Information

B & B Heating & Cooling
1955 Washington
Florissant MO 63033


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