Skip to content
commercial hvac roof slider image


Serving Alton, O’Fallon, Troy, Highland, Glen Carbon, Collinsville, Edwardsville, Belleville, Columbia, Waterloo, St. Louis City & County and everywhere in between!

Air Conditioner & Furnace Sales/Install

If you own a commercial property then you probably already understand the importance of having a high quality, dependable HVAC system. When you need to impress your clients or keep your tenants and employees happy and productive, a comfortable environment can be a great tool.   …Continue Reading

Learn More

Duct & Vent Replace/Install

Duct work is an important part of your building’s heating and cooling system and is essential to the overall efficiency of your HVAC equipment. Sometimes it may be necessary to replace duct work that has worn out and cracked over time.   …Continue Reading

Learn More


Superior Service We offer heating service for steam boilers, hot water boilers, forced air furnaces, gravity heat systems, radiant heat and hydro-air systems. Our innovative solutions can keep your system running at peak efficiency all year long- call today.   …Continue Reading

Learn More

Walk In Cooling Units

Your commercial appliances are the lifeline of your business. We understand how important it is that any repairs or service your appliances need are performed in a timely, courteous and professional manner.   …Continue Reading

Learn More

Ice Machines

Help it Won’t Make Ice! An obvious problem is if the ice machine just won’t put out ice. This can be caused by several issues. Fortunately most are easy to fix. Your friendly A & H Plumbing technician can usually spot the problem quickly and get it fixed pronto.   …Continue Reading

Learn More

Air Quality

A  & H Plumbing Heating and Cooling offers a wide range of superior products to help improve indoor air quality in commercial buildings. Humidity control and demand control ventilation help.   …Continue Reading

Learn More

Leave a Comment

You can use these HTML tags:
<a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>