Williamson Heating & Cooling Inc
Williamson Heating & Cooling Inc is a HVAC provider serving Hammond, IN. Rated 4.9★ with 124 Google reviews. See services, review signals, and request a quote.
HVACHammond, IN
On this page
Company overview
- TradeHVAC
- Service areaHammond, IN
- Google rating4.9★ (124 reviews)
- Phone(219) 374-9830
- Address11509 W 121st Pl, Cedar Lake, IN 46303, USA
Photos
Photos from Williamson Heating & Cooling Inc
What customers say
“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, friend…”
“Wayne was great!! He was very timely and got us in right away! I would highly recommend. Very professional and did an all around great job! We will definitely be using them in the future. Thank you ve…”
“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 f…”
“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…”
“From start to finish, we have been extremely impressed with the work that Wayne and his crew did for us! Our AC died a few days ago, and we knew it was time to get it replaced. We never mentioned that…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (124 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Williamson Heating & Cooling Inc offer?
Williamson Heating & Cooling Inc provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Hammond, IN.
What is Williamson Heating & Cooling Inc's rating?
Williamson Heating & Cooling Inc has a 4.9 out of 5 star rating based on 124 Google reviews.
Is this company licensed in Indiana?
All listed providers have a verified Indiana contractor license at time of publication. You can verify on the Indiana Professional Licensing Agency / local municipal licensing (no statewide HVAC license) lookup at https://mylicense.in.gov/everification/Search.aspx.
Does Williamson Heating & Cooling Inc offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Indiana Professional Licensing Agency / local municipal licensing (no statewide HVAC license) · Company data: verified business records + Google Business profile
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