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Claim This BusinessMike Williams Plumbing, Heating, Air Conditioning & Sewer has served Springfield, Illinois and surrounding communities since 1976, accumulating 1,338 customer reviews that average 4.6 stars. The company operates as a full-service residential HVAC, plumbing, and sewer contractor serving Bloomington, Champaign, Decatur, and the capital city region. This nearly five-decade track record positions the company among the longer-tenured independent contractors in Central Illinois.
What distinguishes Mike Williams from regional competitors is their 180 years of combined experience across the service team, backed by same-day arrival guarantees and a first-year 100% satisfaction warranty that permits re-service or full refund. The company has earned Best of the Capital awards for both heating and cooling as well as plumbing categories. Their fully-stocked service vehicles enable single-visit repairs, and technicians follow protocol including shoe covers and protective measures for homeowner furnishings.
Recent reviews highlight technician Kirk who explained plumbing options patiently, leading a customer to enroll in a membership plan, and technician Layke who responded same-day to retrieve a wedding ring from a shower drain during a family emergency. Another reviewer noted technician Dave correctly diagnosed a pipe leak that two prior contractors had misidentified.
Among recent reviewers, technicians Kirk, Layke, and Dave receive specific praise for patience, emergency response, and diagnostic skill. Negative reviews cite pricing concerns while positive reviews highlight same-day service and accurate problem identification. The 4.6-star average across 1,338 reviews reflects predominantly satisfied customers.
| Sunday | Closed |
| Monday | 8 AM–5:30 PM |
| Tuesday | 8 AM–5:30 PM |
| Wednesday | 8 AM–5:30 PM |
| ThursdayToday | 8 AM–5:30 PM |
| Friday | 8 AM–5:30 PM |
| Saturday | 8 AM–5:30 PM |
Diagnostic services and seasonal maintenance to keep residential heating systems operating efficiently through Illinois winters.
New furnace installation and complete system replacement for aging or failed heating equipment.
Repair, tune-ups, and installation of heat pump systems providing both heating and cooling for Springfield homes.
Central AC installation, repair services, and tune-ups to combat Central Illinois summer heat and humidity.
Sewer line installation, repair, and replacement including main line services from the home to the road connection.
Installation and repair of sump pumps protecting Springfield basements from groundwater seepage.
Repair, installation, and replacement of water heaters including traditional tank and tankless systems.
Scheduled service plans providing discounted repairs and priority scheduling for enrolled members.