5-Star Rated
Licensed & Insured
Bilingual EN & ES
Joliet, IL & Nearby
Residential & Commercial
Will, Cook & DuPage

Heavy Duty Heating & Cooling • Serving New Lenox, IL • (815) 212-7662

AC Installation for New Lenox Homes

A lot of New Lenox went up fast in the 2000s and 2010s, and the AC units that came with those homes are now aging out together. We measure and load-calculate before we quote — no sizing by square footage alone, no guessing. Written free estimates, based 10 miles up the road in Joliet.

  • Licensed & Insured
  • Bilingual Service
  • Will, Cook & DuPage Counties
Heavy Duty HVAC

Heavy Duty Heating & Cooling

Family-owned HVAC — City of Joliet H&V License #84735 • EPA 608 Universal.

  • ☎ (815) 212-7662
  • heavydutyheatingandcooling@gmail.com
  • Joliet, IL • Will, Cook & DuPage Counties
Signs Worth Checking

Is Your New Lenox AC Actually Done, or Just Struggling?

Refrigerant Is R-22

Phased out and expensive when it's even available. If your system still uses it, replacement almost always makes more sense than another recharge.

Repair Quote Tops a Third of Replacement

Once a repair bill crosses roughly a third of what a new system costs, you're usually better off putting that money toward equipment you'll keep.

Compressor Is Gone

The most expensive single part in the system. When it fails on an older unit, it's the clearest signal to stop repairing.

Unit Is Original to a 2000s-2010s Build

Builder-grade equipment is sized to code minimums, not to how a family actually lives in the house. Ten to fifteen years in, that gap starts to show.

⚠️

Short-Cycling but Still Cooling

Could be a sizing problem, a refrigerant issue, or a failing capacitor. Worth a real diagnostic before deciding repair vs. replace.

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One Room Never Gets Cool

Sometimes a duct or airflow fix, sometimes a sign the whole system is undersized for the house. We check before we quote either direction.

5.0Google Rating
24/7Emergency Service
10 miFrom Our Joliet Shop
100%Licensed & Insured
Our Work

Real Installs, Real Photos

Outdoor AC condenser unit installed by Heavy Duty Heating and Cooling
Condenser set and leveled on a proper pad
AC installation work by Heavy Duty Heating and Cooling technician
Line-set and electrical tie-in on a full install
Why New Lenox Calls Us

New Lenox Is Basically Our Backyard

Our shop sits on Woodruff Rd in Joliet, and New Lenox starts practically where Joliet ends — a straight run out Route 30, about 10 miles. That's closer than several neighborhoods we service inside Joliet itself, which means faster response and no travel surcharge games.

It also means we've been in and out of New Lenox subdivisions for years and have a good read on what's actually installed out there. A lot of homes went up during the same building boom, which means a lot of original AC units are hitting the same wall at the same time — not because anything was done wrong, just because equipment has a lifespan and builder-grade units are sized to a spec sheet, not to your specific house.

Our estimate process doesn't change based on distance: we measure the house, run a load calculation, and give you a written quote with options — not a number guessed from the driveway.

Know Before You Buy

Builder-Grade vs. What We Install

ConsiderationTypical Builder-Grade OriginalWhat We Install
Sizing methodRule-of-thumb by square footageManual J-style load calculation
Efficiency tierCode-minimum SEER at time of constructionMatched to your budget and utility goals, explained honestly
RefrigerantOften R-22 on 2000s buildsCurrent refrigerant, properly charged and verified
DocumentationRarely kept by homeownerWritten estimate, startup readings, and permit when required
Warranty statusUsually expiredManufacturer warranty registered at install
Google Reviews

What Real Customers Say — 5.0 ★ on Google

Verbatim reviews from our Google profile — unedited. Read all 20 reviews on Google.

★★★★★

“Angel was absolutely amazing from start to finish. He came out, got the job done, and went above and beyond by taking the time to explain what my AC unit needed and how I could properly maintain it so it lasts longer. That kind of honesty, patience, and professionalism is hard to find.”

— Mia S

Google review

★★★★★

“Personas muy amables, hacen todas las pruebas de tu aire acondicionado o calentón, te dicen todas las recomendaciones para el buen funcionamiento. Contestan muy rápido tu llamada, y si no te arreglan, no te cobran lo del servicio. 100% Recomendado.”

— Ofelia Avalos

Google review · in Spanish, as written

FAQ

Frequently Asked Questions

How much does AC installation cost in New Lenox, IL?

It depends on tonnage, efficiency tier and whether the coil and line set need replacement. We give written free estimates with options at more than one price point — call (815) 212-7662.

How long does a new AC installation take?

Most straight replacements are done in one day. Full system installs with coil, line-set or electrical work can run longer — we tell you before we start.

My AC is only 10-12 years old — why would it need replacing already?

Builder-grade units installed during new-construction pushes are sized to code minimums, not to how the home is actually used. In many New Lenox subdivisions built in the 2000s-2010s, those original units are now hitting end-of-life around the same time — we check yours honestly before recommending anything.

Do you pull permits for AC installation in New Lenox?

Yes, when the job requires one. We handle the paperwork so the install is inspected and documented correctly — not something to find out about later when you sell the house.

Do you actually serve New Lenox?

Yes — our shop is on Woodruff Rd in Joliet, about 10 miles away via Route 30. New Lenox is one of our most frequent service calls, in English or Spanish.

Service Area

New Lenox Is on Our Regular Route

We run Route 30 out to New Lenox constantly — it's one of the closest communities to our Joliet shop. The technician who quotes your job is the one who installs it.

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Request Service or a Free Estimate

⭐ Google Review