Compare 2 Local HVAC Contractors in Green Bay, WI

Diamond Heating & Cooling provides residential and light commercial HVAC services in Green Bay, WI. We specialize in heating, air conditioning, indoor air quality, and maintenance solutions with a focus on quality installations and superior customer service. Our licensed, bonded, and insured team delivers reliable comfort solutions for homes and businesses.

Control Group provides comprehensive HVAC solutions for residential and commercial clients in northeast Wisconsin. With over 25 years of experience, we specialize in custom heating and cooling system installations, equipment replacements, and maintenance services. Our family-owned business combines technical expertise with personalized service to help clients optimize energy efficiency and control utility costs.