How can we make you smile?

Emergency service any time, any day at 636-926-2007 or 800-852-9006.  GO_monthly_Specials

636-926-2007
(West Counties)

636-332-3417
(St. Charles Counties)

Residential Service

  • We can service your castle, whether it is a 25,000 square foot home with a swimming pool or a small trailer.
  • We install and service the latest heating and cooling technologies
  • We can test air quality and install filtration and zone control for your comfort

Commercial Service

  • Refrigeration up to 100 tons.
  • Commercial coolers and freezers
  • Complete sheet-metal shop on site
  • We install and service waste oil fueled heaters
  • Experienced subcontractor and project manager
In the St. Louis metro area more and more people depend on Grand Oaks Heating and Cooling than on any other company for their commerical and residential heating/air conditioning services. Businesses and homeowners can trust Grand Oaks as a neighborhood heating and cooling specialist.
 

Our line of Aprilaire products

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Click below to hear Mrs. Oaks

Testimonials

THE AC WASN'T WORKING!
I want to give a quick testimonial, On Tuesday evening I walked into my house and it felt like an oven. That's right - THE AC WASN'T WORKING! As many of you know, I have a 1 year old and a 4-year old at home.  I immediately called Mike Devanney's com...
Mike Cunningham


24-hour emergency service! Call any time, any day, and we will be there within 2 hours

About Us

Grand Oaks grew from one man and a pickup truck in 1990 to a full-service company with profesisonal technicians and installers, a fleet of trucks stocked with necessary tools and parts, an office that uses a GPS dispatch system and a team of the nicest people you would want to meet. Learn More
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© 2008 - Grand Oaks Heating and Air Conditioning at Highway W and Clairen Drive, Foristell, MO 63348
636.926.2007 or 800.852.9006

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