4J's Heating and Cooling
4J's Heating and Cooling is a HVAC provider serving Belmont Cragin, IL. Rated 5.0★ with 14 Google reviews. See services, review signals, and request a quote.
HVACBelmont Cragin, IL
On this page
Company overview
- TradeHVAC
- Service areaBelmont Cragin, IL
- Google rating5.0★ (14 reviews)
- Phone(847) 454-4049
- Address5016 W Waveland Ave, Chicago, IL 60641, USA
Photos
Photos from 4J's Heating and Cooling
What customers say
“My air conditioner went out unexpectedly, and we found 4J's online. They came out early the next morning and found the problem! They were fast, efficient, and cost effective. I would definitely recomm…”
“I had been having trouble with my cooling on and off for the last year. Jose was very thorough and patient. He identified multiple small problems the other techs missed and sure enough the system is …”
“Jose did an amazing job getting the AC to function correctly. He was professional and informative. Absolutely recommend 10/10!”
“I highly recommend using 4j's for any HVAC issues you may have. I recently used there service for my heating/cooling needs and I was extremely impressed! The service was prompt, professional, and the …”
“Jose is a great professional and just a nice person who helped us even Sunday weekend he came to our home to fix our AC.”
Key highlights
Strengths
- Highly rated (5.0★ average)
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 4J's Heating and Cooling offer?
4J's Heating and Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Belmont Cragin, IL.
What is 4J's Heating and Cooling's rating?
4J's Heating and Cooling has a 5.0 out of 5 star rating based on 14 Google reviews.
Is this company licensed in Illinois?
All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.
Does 4J's Heating and Cooling 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 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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