Which HVAC Contractor Should You Choose in Janesville, WI?

R A Heating & Air Conditioning is a trusted HVAC contractor serving South Central Wisconsin with heating, cooling, and air quality solutions. Specializing in residential and commercial systems, we offer installation, repair, and maintenance services backed by NATE-certified expertise. Our commitment to combining modern technology with personalized service ensures year-round comfort for clients.

Pregl Services provides vacuum furnace repair, rebuild, and preventive maintenance solutions for thermal processing industries. Founded in 1997, we specialize in minimizing equipment downtime through expert hot zone repairs, infrared thermography, leak detection, and customized control system upgrades. Our services enhance operational efficiency and equipment longevity for clients nationwide.