General Heating and Air Conditioning, Inc. Conveniently arranged by category, see descriptions of many of our Commercial clients, along with information about the specific HVAC needs we've addressed in each of their distinctive facilities. Our base operation in Madison, Wisconsin actively pursues business throughout the state of Wisconsin. Additionally, on a selective basis, we have successfully served clients' needs in Iowa, Minnesota, Illinois and Indiana. Learn about the products and services we offer local homeowners, from furnace and air conditioning units to boilers and appealing "home c

Mechanical Heating Ventilating and Air ConditioningCarnes - Air Distribution, Ventilation, Humidifiers, Terminal Units Only Nature Moves and Conditions Air Better! Home About Carnes General Literature Employment Contact Us Air Distribution Terminal Units Ventilation Louvers Energy Recovery Humidifiers Rep Search Selection Software Reps Only Sitemap Website Search New Product Line Louvers, Dampers and Penthouses Carnes is pleased to announce our new expanded line of louvers, control dampers and penthouses. Many exciting new products have been added to our LDP product line, to meet all of your l