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Heating & Air Conditioning

Air Conditioning & Thermostats in St. Charles County, MO & St. Louis County, MO

Gain control over the temperature inside your home or business with state of the art thermostats offered by Welsch Heating & Cooling. We are your number one choice for heating, air conditioning, thermostats, and more in St. Charles County, MO, St. Louis County, MO and the nearby areas.

Thermostats

Thermostats work in conjunction with your heating and cooling systems to help maintain ideal temperatures in the most energy efficient way. Modern electronic thermostats are a huge improvement from earlier and more outdated mechanical styles. Now they have microprocessors which let you program your home’s temperature to match your lifestyle preferences. This allows you to automatically set your temperature to save energy when you are sleeping or away.

Electronic Thermostats

An electronic thermostat works very similarly to an older, manual thermostat. Electronic thermostats have microprocessors that gauge the temperature in the room and compare it to the temperature that you have selected. It then provides a start and stop command to the heating or cooling system in order to maintain the temperature to the one you have set.

Programmable Thermostats

Programmable thermostats work in a similar way to electronic thermostats except that they are much more convenient. After you program the thermostat, you have the capability to customize the system’s operation in order to fit your schedule and lifestyle. The great thing about programmable thermostats is that you only have to program them once until the season or your lifestyle preferences change.

Call us to learn more about thermostats, heating, or air conditioning by calling us at (314) 567-6347 today.

Reviews

bought the Annual Maintenance Agreement $178.95 for 2 visits per year. The A/C and heating system was checked and filters were changed as needed.

Nicole M.

We’ve been customers of Welsch Heating and Cooling for the past 40 years. There has never been one time when their service has not been exemplary!

Debbi H.

I wanted to inform you that (the city) just completed the inspection of the two systems installed by Welsch.  The inspector noted that the installation was a first rate job.  I, too, would like to thank you and the entire Welsch Team for a very professional installation from start to...

Dick O.

• Had to call Welsch this morning to ask about a thermostat issue. Both of the people I spoke with (the receptionist and the service tech) were extremely nice and helpful. The service tech gave me a few different options to try to rectify the thermostat issue before scheduling a...

John H.

Steve W. arrived on time. He cleaned out the air filters and showed me how dirty they were. He checked the outdoor AC units and cleaned them out. Said there was a lot of pine needles in them. One of the AC units was slightly low on freon and he...

Kyle P.

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