Johnson Heating and Cooling, Wentzville MO

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Service / Repair


Maintenance Agreements – We offer various options on cleaning and checking furnace and air conditioner/heat pump
Replacement – Replace previous equipment in home with free estimates.
New Construction – Specialize in new construction with track homes to custom homes
Installation of accessory products - We have a whole line of accessory products to help your home be more comfortable.

We service all brands of equipment and efficiency of gas furnaces, electric furnaces air conditioners, heat pumps and geo thermal, as well as hot water heaters. All of our technians are required to participate in training throughout the year, this ranges to what is new in the industry, refresher courses, and safety. This is mandatory from apprentice to Journeyman to keep up with their licenses and provide excellent service to our customers.
What to expect when in need for service.

Maintenance Agreements
As a consumer, you want to get the most comfort you can for your money. That means having equipment that is operating at its optimum potential. As with all mechanical equipment, the crucial key is to properly keep up with all manufacturers’ suggested maintenance.
      Option 1:
Safety and Efficiency Agreement – This option is designed for our techinicians  to check the equipment for proper operation, check for poisonous deadly carbon monoxide gas, gas leak, freon level and electrical connections. This option allows our technician to come to your home twice a year once in the spring and once in the fall.

      Option 2:
Elite Safety and Efficiency Agreement – This option goes above and beyond of what the Safety and Efficiency Agreement has to offer. Not only we provide the same services as option 1 but our techinician cleans the washes the air conditioner, clean the condensate hose, clean the blower compartment, clean the heat exchangers, clean the burners, and clean the pvc run for 90% furnaces. This option allows our technician to come to your home twice a year once in the spring and once in the fall.

When it is time to replace your old system we will never try to sell you more that you need. At Johnson Heating and Cooling we understand that you do not buy new HVAC equipment everyday so it is our job to educate our customers of the options out there and answer any questions you may have. Our sales staff do not pressure our customers into a sale. Check out our Furnace page and Air Conditioner page to see what options are available plus our Product page. Contact us for a free estimate!!

New Construction
If you are a builder going to build tract homes to custom homes we specialize in both in various counties. Not only do we work with builders we also work with customers building there own homes as well. Our sales staff will sit down with you to see what you are looking for and also give options to allow you enjoy your new home in comfort or the home you are building for your customer. Here at Johnson Heating and Cooling we install conventional systems to geo thermal systems for small homes to large homes. Contact us for a free estimate!! 636-332-4141.

Installation of accessory products
Johnson Heating and Cooling specialize in installation of various products. Listed below are products that you would find under our Products Tab and some additional. Also, if you need to purchase replacement filters call 636-332-4141.

Electronic Air Cleaners
Wifi Thermostats
Copper Flashing / Step Flashing
Finish Basement Duct Work
Chimney Caps
Hot Water Heaters

Contact Johnson Heatng and Cooling at 636-332-4141 or Schedule a Free Estimate with one of our Comfort Specialists Today!