Chicagoland's Trusted Heating & Cooling Experts
For over 40 years, JNT Mechanical Service has been the Chicagoland family's choice for reliable heating and cooling. Our 100% Satisfaction Guarantee comes with every job — big or small.
Years Experience
Satisfaction Guarantee
365 Days a Year
Happy Customers
Full-Service HVAC & Electrical
From a quick repair to a full system installation, JNT handles it all — with the same care and craftsmanship we've delivered for over four decades.
Heating
Keep your home warm all winter. We service, repair, and install all major heating systems including furnaces, boilers, and heat pumps.
Air Conditioning
Beat the Chicagoland heat. From central AC to ductless mini-splits, we keep your cooling system running at peak efficiency.
Maintenance
Preventive maintenance plans that extend equipment life, improve efficiency, and catch small problems before they become big ones.
Repairs
Fast, reliable repairs when you need them most. Our experienced technicians diagnose and fix problems right the first time.
Installation
Expert installation of new HVAC systems. We help you choose the right equipment for your home and install it to last.
A Name Chicagoland Families Have Trusted for Generations
JNT Mechanical Service was built on three principles: honesty, integrity, and quality. As a family-owned business, we treat every customer like a neighbor — because in Morton Grove, they often are.
Our technicians are licensed, background-checked, and trained to the highest standards. We show up on time, explain everything clearly, and never recommend work you don't need.
- Licensed & insured technicians
- Free estimates on all new installations
- 100% Satisfaction Guarantee on every job
- Transparent, upfront pricing — no surprises
- Emergency service available 24/7
40+
Years Serving
Chicagoland
What Our Neighbors Are Saying
For 30 years, our customers have been our best advertisement. Here's what a few of the families we've had the privilege of serving have to say.
5.0
Average rating
100% Satisfaction Guarantee — if something isn't right, we make it right. Period.
"JNT has been our go-to for over 15 years. They replaced our entire HVAC system last fall and the work was impeccable. Honest pricing, no surprises. Truly a family you can trust."
Michael R.
Glenview, IL
"Called them on a Sunday when our furnace went out in January. They were at our house within two hours. Professional, fast, and fair. I recommend them to everyone in the neighborhood."
Sandra K.
Skokie, IL
"We've used JNT for heating and AC over the years. Every single time they show up on time, explain everything clearly, and do the job right. Five stars every time."
Tom & Lisa B.
Niles, IL
"From the estimate to the final walkthrough, everything was seamless. They explained every step, cleaned up after themselves, and the new system works beautifully. Couldn't be happier."
Patricia M.
Northbrook, IL
"Had them upgrade our electrical panel and add a few outlets. Showed up exactly when they said, finished ahead of schedule, and the price matched the quote exactly. Refreshing."
Dave H.
Wilmette, IL
"We've been on their maintenance plan for years. It's the best investment we've made in our home. They catch things before they become expensive problems. Honest, reliable, and kind."
Karen & Bob T.
Park Ridge, IL
Based on Google reviews · Chicagoland
Verified Customer
"JNT Mechanical Services is the absolute best HVAC company I have dealt with. I had four seasons, ABT, All Temp, and JNT come out to give me estimates for a new AC — JNT was the lowest by over $8,000.…"
Happy Homeowner
"We love Johnny! My fiancé and I just bought a fixer upper and temperature control was first on our list. Johnny came and fixed everything in a day — repaired a leaking PVC outlet, replaced a rusted el…"
Grateful Customer
"Another company told me I needed a full AC replacement — over $11,000 — after barely five minutes. Something felt off so I got a second opinion. Peter came the same day, went over the AC very carefull…"
Condo Owner
"Earlier this year my condo was having issues and not turning on. The association recommended another service charging $190 for the first hour — and they couldn't get there for 2–3 days. I remembered m…"
Christo Memmos
"We woke up to a 60 degree home and after attempting to figure out the problem myself, I decided to let a professional take care of it. After a quick Yelp search we went with JNT because of their great…"
Verified Customer
"I cannot say enough good things about JNT Mechanical. They came out on a Saturday to work on my furnace, and when they discovered the motor was unfixable, they managed to secure a new furnace in a wee…"
Happy with our service?
Your review helps other Chicagoland families find honest, reliable HVAC help.
Ready for a Free Estimate?
Whether you need a quick repair or a full system replacement, we'll come out, assess the situation, and give you a clear, honest estimate — no pressure, no hidden fees.
Call or Text
(773) 260-2864Service Area
1003 Bette Ln., Glenview, IL 60025