Services from
SJ Kowalski Inc

Serving both Residential and Light Commercial customers SJ Kowalski Inc is ready to help you.

Installing & Servicing High-Efficiency Heating & Cooling Systems Since 1972

Save with Fall rebates from SJ Kowalski

Save with Fall rebates from SJ Kowalski

Extended FALL Sale!

$50 off a Duct mount Air Scrubber
*or if you are looking for a portable option*
the Aerus Pure and Clean Table top Air Purifier on sale for $999.00!

Sale ends December 31 2022.

Duct mount Air Scrubber

  • New & improved PATENTED ActivePure® Cell destroys over 99% of all surface and airborne contaminants faster
  • Removes VOCs, odors, dust, pet dander, and other allergens
  • Installs directly into existing ductwork
  • Prevents dust build up in heating and cooling systems
  • Creates a cleaner and safer environment
  • Low maintenance, with no cleaning required.
  • Made in the USA!

Aerus Pure and Clean

  • Portable, no installation required.
  • Proven to reduce up to 99.9& of SARS-CoV-2 (the virus that cause COVID-19) in the air within 1 minute
  • Uses ActivePure Technology® to reduce over 99.9% of many common contaminants in the air and on surfaces1
  • Coverage up to 2,000 sq. ft. (185 m2)*
  • Features complementary technologies: HEPA screen and Activated Carbon
  • Energy efficient and whisper silent operation cleans 24/7 without producing ozone
  • MEASURES 11.75” H x 9.5” W x 10” D (29.8 cm x 24.1 cm x 25.4 cm). and is 7.6 lbs (3.5 kg)
Schedule Your Installation

Get REady For Cooling Season!

Winter is approaching fast! Before we get our first big snowfall - make sure your heating systems are in good working order.



We stock the best Furnaces and Mini Splits from Trane and Mitsubishi, call today for your service!

  • Furnace Service
  • Mitsubishi Mini Split System Service
  • Geothermal Service Near Me
  • Furnace Repair Near Me

Goodman Furances
Mitsubishi Mini Splits
Heating Service

Book Repair, Maintenance, or Installation Today

See What Our Customers Are Saying

S. J. Kowalski, Inc.starstarstarstarstar4.9 / 5

141 Total Reviews /files//kowa-logo.jpg570-455-2600$1034 HARWOOD ROAD, HAZLE TOWNSHIP PA

Schedule Heating, Air Conditioning Service with SJ Kowalski Inc

S. J. Kowalski, Inc. has been serving the heating, air-conditioning and plumbing needs of the greater Hazleton and surrounding areas since 1972. We install high-quality equipment from today’s industry leaders like Trane, Mitsubishi, Rinnai, Honeywell and Triangle Tube while providing “round-the-clock” 24 Hour Emergency Service. We are a family owned and operated business and the area’s only Trane “Comfort Specialist” dealer.

It's important to get ready for the upcoming Winter season, getting your repairs and necessary services out of the way early will save you money and peace of mind in the long wrong. If your furnace, Mitsubishi mini split, boiler or heat pump breaks down mid winter that's a big problem. We provide expert service and preventative maintenance to make sure this doesn't happen.

At SJ Kowalski Inc we are committed to providing the best products and solutions to help lower your energy costs and keep your family safe and comfortable.

The team at SJ Kowalski Inc

Family Owned & Operated
since 1972

Our Accreditations



A/C installations in Hazleton
A/C

Referral Program

Refer our services to your neighbors, friends and family and receive a gift if they schedule service with us.

Get $100 off your bill or account credit with a installation referral!. Click the button below to fill out the form and let us know you referred someone.

Fill Out Our Referral Form

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Check Out Our Services

S. J. Kowalski, Inc.starstarstarstarstar4.9 / 5

141 Total Reviews /files//kowa-logo.jpg570-455-2600$1034 HARWOOD ROAD, HAZLE TOWNSHIP PA

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