AC Repair &
Installation
in Will County
Same-day service throughout Lockport, Joliet, Plainfield & surrounding areas. Licensed technicians. Upfront pricing. No surprises.
AC Not Cooling?
Don't suffer in the heat. We dispatch fast throughout Will County.
📞 Emergency: 815-205-16774.9 Stars · 47+ Reviews
Google Verified
Same-Day Service
Available 7 days a week
Licensed & Insured
EPA 608 certified techs
Est. 1987
Nearly 40 years serving Will County
Upfront Pricing
No surprise charges — ever
What We Do
Complete AC Services
From emergency repairs to full system replacements — we handle everything air conditioning in Will County.
AC Repair
From $89 diagnostic
Same-day diagnosis and repair for all brands. No cooling? We fix it fast.
Learn MoreAC Installation
Free estimate
New high-efficiency systems installed right the first time. Free estimates.
Learn MoreAC Tune-Up
Special: $79
Full 21-point inspection to prevent breakdowns before summer heat hits.
Learn MoreWhy Lockport Heating
Will County Trusts Us
for a Reason
Nearly 40 Years in Business
Founded in 1987, we've been keeping Will County families comfortable through every Illinois summer.
Certified on All Major Brands
Carrier, Trane, Lennox, Goodman, Rheem, Bryant — our techs are trained and certified on every system.
Honest, Upfront Pricing
You'll know the full cost before we touch anything. No hidden fees, no surprise charges on the invoice.
Satisfaction Guaranteed
We stand behind every repair and installation. If something isn't right, we make it right — period.
37+
Years in Business
Founded 1987
10k+
Systems Serviced
Will County homes
4.9★
Google Rating
47+ verified reviews
24/7
Emergency Service
We answer the call
Limited Time Offer
AC Tune-Up Special — $129 $79
Full 21-point inspection, coil cleaning, refrigerant check, and efficiency report. Prevent breakdowns before summer hits.
What Customers Say
Real Reviews from Will County Homeowners
"Lockport Heating has been servicing our furnace for over 10 years. Their technicians are professional, knowledgeable, and always on time. Highly recommend!"
Michael T.
Lockport, IL
January 2025
"Our furnace went out on the coldest night of the year. Lockport Heating had a tech at our door within 2 hours. Incredible service — truly a lifesaver."
Sarah K.
Joliet, IL
February 2025
"I've used several HVAC companies over the years, but none compare to Lockport Heating. Fair prices, honest assessments, and quality craftsmanship every time."
Dave R.
Plainfield, IL
December 2024
Service Areas
AC Service Throughout Will County
We serve all communities in and around Will County, Illinois.
Common Questions
AC Service FAQs
Ready for a Cooler Home?
Call Lockport Heating today for same-day AC service throughout Will County. No overtime charges. No surprises.
Serving Lockport, Joliet, Plainfield, Romeoville, Bolingbrook & all of Will County