Mike Williams

Since 1976, Mike Williams has been a trusted provider of HVAC and plumbing solutions for residential and commercial clients across Central Illinois. Our team combines 180 years of collective experience with a commitment to delivering faster, cleaner, and better service for every project. We specialize in heating and air conditioning installation, repair, and maintenance, alongside comprehensive plumbing services including emergency repairs and water heater solutions. Our technicians arrive in fully stocked vehicles, respect your property, and provide transparent communication throughout every service call. We stand behind our work with a 100% satisfaction guarantee, promising to re-do any job to your satisfaction within the first year if needed. Same-day service is available for urgent needs, and our maintenance agreements offer cost-effective protection for your home systems.

With service locations in Springfield, Bloomington, Champaign, and Decatur, we serve communities across Sangamon, McLean, Champaign, and DeWitt counties. Our commitment to excellence has earned us recognition as Best of the Capital for both heating/air conditioning and plumbing services. We maintain strong partnerships with leading equipment manufacturers to offer high-efficiency furnaces, central air systems, and tankless water heaters. Our commercial plumbing division supports local businesses with reliable sewer and drain services. Through ongoing technician training and investment in modern tools, we ensure every customer receives expert service that meets evolving industry standards.