Air Conditioner Replacement and Services

A/C Installation and Repair

The highest standard of air conditioning installation and repair services in Missouri and Illiinois with over 40 years of experience!

Air Conditioner Services in St. Louis

Weis Comfort Systems has proudly offered St Louis and the surrounding areas with the highest standard of air conditioning installation, repair, and replacement services for over 40 years. We hire the best technicians in the business who understand the importance of proper AC installation, ensuring the health and safety of our customers.

Weis Comfort Systems services all brands and models of air conditioning units!

Brands We Install

Why Choose Weis?

Weis Comfort Systems, Inc., provides the highest standard of air conditioning installation and repair services in the Greater Missouri and Illinois areas. We've been in business for well over 40 years, and our clients trust that with our expertise and extensive knowledge, we'll be able to provide the most comfortable living space by implementing high-quality and top-rated products. Get a quote by using our form.


Dedicated Service

In our effort to prove our commitment to customer satisfaction, the HVAC contractors of Weis Comfort Systems undergo continual training, education, and safety courses to ensure we provide our clients with the industry's most current and efficient practices, products, and security.

Flexible Payment

We accept a wide range of payment options, including Visa, Mastercard, cash, checks, & financing. If you are in need of additional funding for furnace, air conditioning, or ventilation repair or installation services, please visit our pricing and financing page.

Commitment to Safety

We have paired state-of-the-art products, safety, and practices with thorough hiring methods to ensure that our team of HVAC contractors have the experience, background, and skill set to accurately repair, install and maintain comfort systems throughout the St Louis area.

Simple Satisfaction

Weis Comfort Systems is licensed and insured, and our team of expert technicians performs HVAC repair, maintenance, and installation with high detail to ensure that our AC, furnace, and ventilation services are up to code and built to last.
Trusted in St. Louis for over 80 years

Trusted in St. Louis for over 80 years

Air Conditioner Installation and Repair. Weis Comfort Systems specializes in a complete range of HVAC services including air conditioning installation and repair. After a thorough evaluation of your current cooling comfort system, our technicians will determine the most efficient solution for your residential home or commercial property. If you've noticed the cost of your energy bill rising or if your air conditioning system seems to be underperforming, we suggest requesting service as soon as possible. In the event that you're in need of AC installation, Weis offers a full selection of industry-leading products that assist with lowering your energy bill while providing you and your family a level of comfort that is unmatched.

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Factory Trained HVAC Technicians

Factory Trained HVAC Technicians

Replace your current AC with an energy-efficient air conditioning system and revel in the benefits! With features such as high-efficiency, quiet systems, and multi-stage cooling all at affordable costs, you'll finally be able to obtain the ideal temperature in your home or property year after year. Weis installs top-rated brands to ensure that you are receiving the best in the business. As air conditioners help to keep you cool and comfortable, Weis will handle your AC installation as quickly and efficiently as possible. We know the stress that a poorly or non-functioning air conditioning unit can cause. Let the professionals at Weis Comfort Systems alleviate that stress by installing a new, properly functioning unit!

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