Auer Steel & Heating Supply Co. is a full-service distributor of high quality indoor comfort products, featuring the Bryant, Carrier (Milwaukee only) and Payne brands of furnaces, air conditioners, humidifiers, air cleaners, heat & energy recovery ventilators, controls and other accessories.

Condair is the global leader in humidification, dehumidification and evaporative cooling. Supported by science, they engineer individual, holistic solutions that customers can trust through the entire lifecycle. With optimal humidity, we increase productivity and create healthier built environments.

Design Air is a full-service HVAC wholesale distributor serving all Wisconsin, upper Michigan, eastern Minnesota, and northern Illinois licensed HVAC contractors.

Discover why Flow-Tech HVAC is the most trusted name in chemical-free water treatment, and why the largest companies in the world are standing behind it.

Gustave A. Larson Company is the Midwest, Plains and Mountain States wholesale distributor of Heating, Ventilation, Air Conditioning, and Refrigeration (HVACR) equipment, parts, & supplies.

LakeAir are green manufacturers. They deal with Air Purifiers of different kinds and Replacement Filters.

Research Products Corporation educates homeowners about air quality and provides them with innovative solutions they can depend on.

Ryf Heating & Air Conditioning, Inc. provides reliable and affordable HVAC services to hundreds of customers each month, with the goal of making them satisfied customers for life. They supply cooling, indoor air quality and heating solutions.

Stop's Heating & Cooling is a Wisconsin heating, AC, and water heater repair, service, replacement, and maintenance company. It employs only the best HVAC technicians for furnace, AC, water heater, boiler, ductless heating, and heat pump repair or replacement.