Heating & Air Conditioning Repair, Service & Installation
Cedar Lake, Lowell, St. John, Dyer, Schererville Indiana

Williamson Heating and Cooling Services, Inc. is an experienced residential heating and air conditioner system  repair & service provider in Northwest Indiana and South Chicagoland. We install, repair, clean and service your heating and air conditioning systems in your home and commercial properties. We service Cedar Lake, Lowell, St. John, Schererville, Crown Point, Dyer, Highland and surrounding communities in Indiana & Illinois with our air conditioning & heating / furnace repairs, service, installations & replacement.
We guarantee you that we will properly get the job done. We offer warranties on all our services and products. We also offer military and senior discounts for our air conditioner & heating repair & service & installation.
Click Below to See A Video About the Revolutionary Air Cleaning System We Install!
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HEATING

AIR CONDITIONER

INDOOR AIR QUALITY

PRODUCTS

Contact Williamson Heating and Cooling Services, Inc. for air conditioning & heating services in Chicagoland, Northwest Indiana, and surrounding areas. Servicing clients in Cedar Lake, Lowell, St. John, Schererville, Crown Point, Dyer & Highland, Indiana & surrounding Illinois communities

These guys are great. They get the job done right at a very fair price, and show up when they say they will. If you have a problem they will get you back up and running.


Wayne was my repairman and was prompt in calling to schedule my furnace service, which ended up being the same day without an emergency or OT fee. He arrived promptly as well and was efficient, friendly, and fixed my furnace issue quickly. They were very reasonably priced. I would recommend this company to anyone in NWI.

I highly recommend Williamson Heating & Cooling in Cedar Lake. They are incredibly prompt, professional, and genuinely committed to helping you find exactly what you need. Their team takes the time to understand the size and needs of your home so they can provide the most efficient options at the best possible rate. Their honesty, reliability, and helpful guidance make the entire process smooth and worry-free. If you need heating or cooling services, Williamson Heating & Cooling is a company you can trust.

Williamson Heating and Cooling personifies what a professional and knowledgeable company is all about. The clear and honest communication was truly appreciated when it came to ordering a new AC unit for our house.  Thanks for all your help in getting us set up with a unit that works well with our house and does the job right! We would highly recommend Williamson to anyone who wants great customer service and a proper install and work performed  🌟⭐️🌟⭐️🌟