Commercial HVAC Services

Air Distributions Systems

Commercial air distribution systems include ductwork, air handlers, and the various components used for heating, cooling, and ventilating buildings. They provide fresh air to maintain indoor air quality, and they provide conditioned air to offset heating or cooling loads. Mechanical Climate Solutions services all makes, models, and types of air distribution systems, including constant-volume and variable-air-volume setups.


With more than 20 years of experience in commercial boiler and burner repair, Mechanical Climate Solutions is the most trusted name in the Greater St. Louis Area’s commercial market. Our team of dedicated technicians is available 24 hours a day, 7 days a week. We offer long-term solutions for the repair of your system to ensure maximum efficiency throughout your facility.

Building Controls

Mechanical Climate Solutions offers service, design, and installation of a wide array of commercial building controls, including valves, actuators, dampers, sensors, economizers, variable frequency drives, and more.  We provide flexible, scalable control platforms that support a variety of open protocols and industry interface standards.


As the St. Louis area’s most trusted chiller repair group, Mechanical Climate Solutions has EPA-certified and factory-authorized experts who are your go-to source for comprehensive, high-quality chiller repair services. Our technicians are experienced servicing all makes and models of chillers, including Carrier, York, Train, Dunham Bush, and more.

Ductless Systems

Commericial ductless systems offer highly flexible solutions and can be used in almost any building environment. Not only do they save your business money, but they dramatically improve indoor air quality. Quick and easy installation also saves you a lot of time. Finally, ductless systems provide greater energy efficiency, and they lower your business’ carbon footprint.

Exhaust Systems

Mechanical Climate Solutions offers reliable commercial exhaust repair in the Greater St. Louis Area. An efficient exhaust system is critical to the health of your employees and customers and the success of your business. Our exhaust system technicians are highly trained and experienced, and they are available for emergency service 24 hours a day, 7 days a week.

Maintenance Programs

Regular maintenance and cleaning of your AC and furnace is the most important thing you can do when it comes to increasing the life span of your units and preventing breakdowns. Well maintained systems can last 15-20 years or more, while a poorly maintained system will regularly require costly repairs. Call us today to learn more about our commercial HVAC Maintenance Programs.

Process Piping

Countless commercial and industrial companies in the St. Louis region have trusted Mechanical Climate Solutions with their major process piping. Our highly trained, licensed technicians are safe, honest, and they get the job done right. No matter the size of the project, we’re available 24 hour a day, 7 days a week.


Mechanical Climate Solutions provides the best commercial heat pump repair services in the St. Louis area. Additionally, we offer maintenance programs to keep your systems running efficiently.  Even if we didn’t install your system, you can trust MCS to repair or maintain your unit, regardless of make or model.

Roof Top Units

Rooftop systems are a great choice for many commercial buildings. Their location keeps them out of the way so employees and customers alike can enjoy the benefit of year-round climate control without having to deal with the noise or emissions of the compressor. Mechanical Climate Solutions has extensive experience with all makes and models of these units. We provide a full range of roof top unit services, including installation, maintenance, and repair.

VRF Systems

At Mechanical Climate Solutions, we offer an array of VRF systems service, from design and installation to maintenance and repair. Call or contact us when you need VRF systems service. We’re available for 24/7, including holidays and weekends. 314-825-2451