Commercial HVAC Repair

Commercial HVAC Repair

At Welsch Heating and Cooling, we have been providing commercial heating and cooling services for businesses in the St. Louis area for more than 125 years. We are ready to handle all of your commercial HVAC repair needs. We are experienced commercial HVAC contractors in the area and have helped many businesses just like yours with their St. Louis commercial HVAC services.  When you are searching for licensed commercial heating specialists in St. Louis, it’s time to see how we can help.

Signs You Need Commercial HVAC Repair

There are a number of reasons that you will need to contact a commercial HVAC contractor for your commercial property. Here are some of the common signs that you need commercial HVAC systems repairs:

Inconsistent Temperatures

When your air conditioning is on, you should feel comfortable temperatures throughout your commercial space. HVAC systems that are creating inconsistent temperatures need to be assessed to see if they are working properly.

Higher Utility Costs

When your utility costs rise significantly, this can indicate that your commercial HVAC unit is not running efficiently. When your air conditioning system is costing you too much money to stay cool, it’s time to contact HVAC services in St. Louis.

Poor Airflow from Commercial Unit

A broken HVAC system makes it difficult for commercial property owners to have good airflow throughout the building. When you notice that air is not flowing freely, you probably need to have HVAC experts come to check out what is going on.

Commercial System is Short Cycling

Short cycling occurs when your system turns on and off frequently without getting your building to the right temperature. If you notice the system going on and off without any temperature change, it’s time to have the problem investigated further.

Sudden Spike in Utility Costs

A sudden spike in utility costs is a sure sign that something is going wrong with your HVAC equipment. Our service technicians are ready to take a close look at your commercial HVAC systems to identify any problems and make the necessary repairs.

Commercial HVAC Repair in St. Louis, MO

It is important to work with a professional St Louis business to handle your commercial HVAC repair needs. Our skilled technicians can take care of your commercial HVAC equipment including; furnaces, heat pumps, boilers, and air conditioners. No business is too big or too small.  We are available to help repair, install, or maintain any commercial systems, regardless of the brand.  When you get the HVAC services you need, you will know that the indoor air quality within your establishment has been improved.

Whether you need routine maintenance for your ac unit or commercial HVAC installation services, we have an experienced team to take care of all of your commercial air conditioning and heating needs. We handle commercial HVAC repairs in the greater St. Louis service area. If you are a business owner in St. Louis that needs commercial HVAC services, we are ready for your call.

Commercial HVAC Replacement

At Welsch Heating and Cooling, we strive to hire only the best technicians in the area for your HVAC installation and replacement needs. We trust our technicians, and we know that they are prepared to handle tough jobs in the commercial heating and cooling industry. We make sure our technicians are up-to-date on certifications, and our dedication to providing excellent service to the St. Louis community has earned us many awards.  No matter what is going on with your system, our technicians can diagnose the problem and make any necessary repairs or replacements.

Call Welsch Heating & Cooling For Commercial HVAC Repair Services in St. Louis, MO

If you are ready to work with a commercial heating and cooling company you can depend on, it’s time to give Welsch Heating & Cooling a call. We are a full-service commercial HVAC company with the skills you need to take care of your commercial HVAC system. Call us today to schedule commercial HVAC repairs, maintenance, or installation services. 



We have radiant floor heat, but added a heat pump. We also needed a new AC. Job took 2 days, since it was such a big job. Very professional & friendly gentleman we had come work. Even had a few new vents put in. The AC has never been cooler...

Brenda S.

P.S. I forgot to mention that Ed was our family repairman for a long time — I have good memories of him giving me broken parts to play with/disassemble when I was a kid!

Nick S.

I could not be happier with my decision to use Welsch.

Jeff C.

Our family tried 4 other company’s in St. Louis to replace old boiler and three AC units for a 4,500 sq. ft. , 100 year old home. It was a VERY complex project involving a lot of thought and creativity. The project was also completed a week before its expected...


Just wanted to let you know how grateful I am for the wonderful service I have received over the years from your company. ALWAYS super fast response time for repair work, from office staff calling for appointment, to calls the repairman is on the way, to the professional/courteous repairman that...

Matthew K.

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