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(636) 926-2007
Serving St. Charles County, the Metro area, and Lincoln and Warren counties
Grand Oaks Heating & AC has certified technicians to take care of your AC installation near Wentzville MO.
(636) 926-2007

Have You Scheduled Your Air Conditioner Tune-up?

Stay cool in the summer heat! Make sure your air conditioner is running efficiently all season
when you sign up for our Preferred Customer Club for $16.58/Month.
Heating & Cooling
Make sure your home is ready for the every season by getting an furnace or air conditioner tune-up or replace your system with an energy efficient one.
 
Maintenance
Learn more about how you can save money on energy with an annual furnace or air conditioner tune-up and system check.
 
Indoor Air Quality
Mold and toxins can get into the air you breathe. See what you can do to prevent that from happening and keep the air in your home fresh.


Why You Should Trust Us
You'll find we take our job seriously and value highly the trust that is placed in us. To understand why we go so far beyond what others do by investing in the extra training and equipment we believe necessary to protect your home and family properly, take a moment to view our short 30 second video that best explains "why we do it"...and "why it matters."

By doing what it takes to ensure each customer's complete satisfaction, Grand Oaks Heating & AC is welcome in more homes in St. Louis Metro & Rural than any other contractor. We invite you to give us a call.

See what's new in home comfort...
Ask for the Pink Van! Get Service and Help Fight Breast Cancer!
Our primary goal at Grand Oaks Heating & AC is to keep your home
comfortable for you and your family.


This site is specifically designed to help you become an informed consumer when it comes to your home's heating and cooling systems. Go ahead, explore. The pull-down menus make it easy. Not only will you learn how these systems work, but also how to shop smart and protect your investment. If you're not sure where to find help with a specific question, try our site's Search Engine. And, don't miss the 'Answers and Information' section on our menu to learn about your home's mechanical systems and simple things you can do to save money and get the most from them.
We Specialize In    ⟩⟩
  • Heating & Cooling Repair
  • Replacement
  • Installation
  • Maintenance
  • Air Quality
  • Temperature Zoning
 
We Sell & Service    ⟩⟩
  • Air Conditioners
  • Heat Pumps
  • Filters
  • Furnaces
  • Whole House Humidifiers
  • Thermostats
 
Certifications & Associations    ⟩⟩
  • NCI-National Comfort Institute Inc
  • Carbon Monoxide & Combustion
  • Analysis Air Balance Certified
  • Ameren UE Check Me Plus Program
$20 Repair Coupon
Off Any Heating or AC Repair
This Coupon entitles a Homeowner to a $20.00 Discount off any Heating or Cooling Repair Service performed by Service Pros at their residence. Only one (1) coupon per service address will be accepted. Coupon must be presented at the time of service. Payments for the balance is expected at the time of service.
Good Through: July, 2016
FREE Repair Quote
Off Any furnace or AC Repair
This Coupon entitles a Homeowner to a Quote on any Heating or Cooling Repair Service performed by Service Pros at their residence. Only one (1) coupon per service address will be accepted. Coupon must be presented at the time of service. Payments for the balance is expected at the time of service.
Good Through: July, 2016

Grand Oaks Heating & AC, is a Missouri Heating, Cooling, Plumbing, Air Conditioning, Geothermal Heat Pump, Ductless Mini-Split, and furnace repair, service, replacement and maintenance Company located in St. Charles and Warren Counties. Grand Oaks Heating & AC employs only the best plumbers & technicians for plumbing repairs, air conditioner repairs and, furnace repairs as well as all air conditioner replacements, furnace replacements and boiler replacements St Charles Mo, St Peters, Wentzville Mo, St Louis, St Charles city. We work in St. Louis, Lincoln , Warren and Pike Counties in Missouri. In Illinois we service E. St Louis,Alton, Fairview heights, Granite City. To set-up a repair service estimate or replacement estimate, call (636) 926-2007. Grand Oaks Heating & AC is an authorized factory dealer of many brands and services all furnace, AC, humidifier, filter, thermostat and water heater brands including Carrier, Bryant, Payne, Trane, Lennox, Rheem, Ruud, Amana, Crown, Frigidaire, Gibson, Goodman, Lochinvar, Maytag, Weil McLain, AO Smith, Kohler, American Standard, GeoExcel, General, Aprilaire, Honeywell, White Rodgers, Dynamic, Daikin, Mitsubishi, Fujitsu, and Skuttle.
24 Hour Emergency Service • Call Us Today • (636) 926-2007 • or • Fill Out Our Online Form
Location
We service most AC brands and models near St. Charles MO.
Business Address:
82 Clairen Drive
Foristell, MO 63348
Contact Us
Schedule your Air Conditioning replacement in Wentzville MO.
Company Phone:
Phone: (636) 926-2007
We offer 24/7 emergency Air Conditioner repair service in St. Charles MO.
Office Hours:
Monday- Friday 7:00am-5:00pm
24 Hour Emergency Service
We offer 24/7 emergency Air Conditioner repair service in St. Charles MO.
License Number:
#M2684A
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