Furnace Services

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High Efficiency Furnace Maintenance, Repair, Installation & Replacement


Stay Cozy All Winter with a High Efficiency Furnace

We make owning a new furnace easy in terms of affordability and maintenance. We have many discounts, specials and rebates that are offered to all of our customers. The benefits of our furnace installations are so numerous that you will be counting them for months to come.

When your new furnace arrives, our friendly technicians will install it with their skilled techniques right in your home. Surrounding areas will not be disturbed and the job site will be thoroughly cleaned afterward. We respect your home as if it was our own and take every job very seriously.

Armstrong Air Furnace


Our technicians are ready to take care of any furnace service you need!

Does your furnace keep your home warm all winter? A new high-efficiency furnace will keep you cozy all winter no matter the weather!

As one of the best companies for furnace installation in central Illinois, we strive for customer satisfaction. We understand manufacturer's warranties do not cover certain items like ductwork repairs, labor, and other equipment costs, which is why we help by offering maintenance agreements.

Furnace Cleaning

Is your furnace not producing enough heat? Are your gas bills extremely high? Is your furnace failing to keep up with the harsh winters? If you answered yes then you could use a tune-up. We perform annual service that has many benefits for your furnace. Call us today for your estimate!


When was the last time your furnace was cleaned and inspected? Improve system efficiency with annual cleaning!

Why Get a New Furnace?

Once the furnace install is finished, we will help you maintain it so that it lasts as long as possible. You can trust our service professionals to keep your furnace working better and longer.

The Furnace sales staff at Mike Williams Plumbing, Heating, Air Conditioning, and Sewer can design the most efficient and comfortable heating system to meet your budget, desires, and lifestyles. We take the structural requirements for your home into consideration with all of our recommendations. When choosing a new furnace, considerations should include respiratory issues and allergies. Talk to our experts about all your concerns and we will guide you through the decision making process.

Our experts will do all they can to make owning a furnace easy. Numerous affordable options will be available to you. The greatest part about our installation service is our speed and efficiency. So no matter what time you need us to work, we will ensure the job is done in the best possible manner.


Call Mike Williams today to schedule your furnace service!

Furnace Repair

Before the cold winter months in central Illinois are upon us, it's a good time to get your furnace inspected or repaired by one of Mike Williams Plumbing, Heating, Air Conditioning, and Sewer's professional repair technicians.

Mike Williams Plumbing, Heating, Air Conditioning, and Sewer has established itself as the premier furnace repair specialist of the greater central Illinois area, and you can take advantage of our affordable furnace repair services around the clock! Here are just a few of the reasons why you should choose Mike Williams Plumbing, Heating, Air Conditioning, and Sewer for your furnace repairs:

  • Family Owned HVAC Contractors
  • Fully Licensed & Insured
  • 24 Hour Service
  • We Service Your Area
  • Around the Clock Customer Service
  • Affordable Repairs
  • All Makes and Models
  • Superior Service