Keep Your Home and Business Comfortable with Our Quality HVAC Repair in Lake St. Louis

Whatever you need from our professionals, you can depend on them to provide outstanding customer service.

Schraer Heating & Air Conditioning is committed to providing homeowners and business owners with the best heating and cooling services in the area. We’re proud to offer a complete range of excellent HVAC repair and installation services that work with your budget, including air conditioning and heating, air duct cleaning and sheet metal fabrication. Whatever you need from our professionals, you can depend on them to provide outstanding customer service.

More Families Trust Us for Air Conditioning Repair in Lake St. Louis

A broken air conditioner isn’t much fun to deal with. Nor is having your schedule affected by slow repairs. From a quick response time to trustworthy service at an affordable price, our Schraer Heating & Air Conditioning cooling pros make the process fast and easy when you need air conditioning repair in Lake St. Louis. We’ll explain our AC repair recommendations so you can make the best decision for your home. If that means it’s time for air conditioning installation, our pros can help with that too. Reach us at 636-456-5041 to get your appointment today!

Top-Notch Furnace Repair in Lake St. Louis That’s Also Budget-Friendly

When it involves furnace repair in Lake St. Louis, our Schraer Heating & Air Conditioning heating specialists can fix just about anything. That includes electric, oil and gas furnaces; heat pumps, boilers and geothermal! All at a budget-friendly price. When your heating system is aging or repairs are becoming too frequent, our quality furnace installation services are just as affordable. Wanting to save even more on energy bills? Check with us about getting a geothermal heating and cooling system. Give us a call at 636-456-5041 to request an appointment now!

Enjoy Cleaner Comfort with Air Duct Cleaning in Lake St. Louis

Ductwork is an important extension of your HVAC system but it’s often forgotten because it’s hidden behind the walls. Over time, it can become dirty and affect your home’s indoor air quality. And potentially your health! Breathe more easily with air duct cleaning in Lake St. Louis from Schraer Heating & Air Conditioning, which may also make your home comfort system run more efficiently. Reach us at 636-456-5041 to request your air duct cleaning service now!

Sheet Metal Fabrication in Lake St. Louis for Your Custom Project

Your complicated HVAC system needs many parts to run at its best. Sometimes you need a custom solution, like our sheet metal fabrication in Lake St. Louis. Our services at Schraer Heating & Air Conditioning can make your project simpler, whether it’s new construction or you’re replacing ductwork. Sheet metal fabrication also helps keep energy costs under control, since a typical system can lose up to 30% of air through leaky or poorly designed ductwork, according to ENERGY STAR®. With ductwork customized for your home or business, you’ll get improved performance and better energy efficiency. Reach our HVAC pros at 636-456-5041 to discuss your project now!

Experience Less Downtime with Our Commercial Refrigeration Repair in Lake St. Louis

Your business needs a dependable refrigeration system to be successful. When yours goes down, call us for fast commercial refrigeration repair in Lake St. Louis with less downtime. We want you to be a loyal customer for life, so Schraer Heating & Air Conditioning makes our commercial refrigeration service process as fast and reasonably priced as possible. Our pros are here to help your bottom line, whether you need commercial refrigeration repair or any of our other refrigeration services. Contact us at 636-456-5041 to schedule your appointment today!

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Maintenance Check

Call Schraer Heating & Air Conditioning for a maintenance check today!


I had a technician from Schraer do some HVAC work for me when I finished my basement and I was really pleased with the quality of the work and the attention to detail to do a really nice job. Professional and courteous too. I would go back for future needs!

– Garrison S.

Schedule an Appointment Today

Schraer Heating & Air Conditioning has proudly served the Warrenton area for years. Get in touch with us today to reach the ultimate in home comfort.

Serving These Communities

Moscow Mills
St. Peters

High Hill
New Florence
Old Monroe

Dardene Prairie
Hawk Point
Lake St. Louis
Montegomery City
New Melle
St. Charles
Wright City

About Schraer Heating & Air Conditioning

At Schraer Heating & Air Conditioning, we’re proud to offer products from Lennox® – a company whose dedication to your home comfort matches our own. We have the experience and skills to find the correct HVAC solution for your home, whether you need a small repair or a new system. Trust us to take care of your home and we’ll make sure you’re comfortable at all times. Call us at 636-456-5041 or contact us online so we can work together toward total home comfort!

Schraer Heating & Air Conditioning

Phone: 636-456-5041