Servicing All Makes & Models In Your Neighborhood

Crabtree Heating and Cooling is the only HVAC contractor you will ever need. We started our business in 1997. Since then our team has created a large number of satisfied customers. Contact us so we can help you become one too. We service the St. Charles, St. Peters, O’Fallon, Wentzville and all of Lincoln County areas, and St. Louis County as well.

Services we provide include: Residential and Commercial installation and repairs. We service all manufactured models. Our reputation is built on our ability to professionally install or repair any HVAC system.

Got a metal project?
We have years of experience in all types of metal fabrication.

Give us a call today at (314) 731-4044

24/7 Emergency Available

Expert and Professional

Satisfaction Guarantee

Free Quotes



  • NEW CONSTRUCTION – If you’re building your new dream home, we will provide for you quality equipment, professional installation and a price that will let you sleep at night. Give us a call!


  • MAINTENANCE – Unlike most HVAC companies, we don’t believe in contracts. We believe that our service and prices will keep you coming back, not tie you to something you’re not happy with.


  • EMERGENCY REPAIR – There really isn’t a good time for your equipment to fail. But in the heat of the summer or the cold of the winter, you need to be able to rely on your HVAC provider. Crabtree Heating & Cooling are the ones to call.

Call Us Today to Schedule a FREE Quote on a NEW Furnace! Don't be left in the cold this Winter. 314-731-4044

Ask Us About Our Fall Savings!

Counties & Cities
We Serve

  • Chesterfield
  • St. Louis
  • St. Charles
  • Florissant
  • Warrenton
  • Lincoln County
  • St. Peters
  • O’Fallon
  • Wentzville
  • Bowling Green

We cover the majority of the surrounding St. Louis metropolitan area! Give us a call today to find out if we service HVAC in your area!

Get our Season's Special Offers

Don't miss out on any specials from Crabtree Heating & Cooling!


2 HVAC companies told us our blower motor was bad and would need to be replaced​.  Both of those companies quoted us a price of over $500.  I wanted to get a third opinion so I called Crabtree Heating and Cooling.  Within 20 min. they had replaced a capacitor and only charged $120.

Ron L. | St. Peters, MO

Great service yet again.  I wouldn’t use anyone but Crabtree Heating & Cooling for my service work. Reliable, Fast and Affordable.

Elmer G. | Hazelwood, MO

American Standard Customer Care Dealer