Sugarloaf Heating, A/C & Water Heating

Call S.J. Kowalski Today to Schedule Services in Sugarloaf Today

Your Local Heating, A/C & Plumbing Experts Since 1972


Just northwest of our Hazle Township hometown and part of greater Sugarloaf is Sugarloaf. Since 1972, S. J. Kowalski has provided heating, air conditioning, and plumbing services to Sugarloaf homeowners and businesses.

Well into our second generation, S. J. Kowalski has deep roots in northeastern Pennsylvania. For decades we have been working for thousands of home and business owners providing safe reliable indoor comfort.

  • Heating System repair, maintenance, and installation
    Furnaces, Boilers, Ductless Mini-Splits, Heat Pumps & Geothermal Units
  • Cooling System repair, maintenance, and installation
    Air Conditioners, Ductless Mini-Splits & Geothermal Units
  • Water Heating System repair, maintenance, and installation
    Tankless & Tank Water Heaters

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

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

Furnaces Repair, Maintenance & Installation
in Sugarloaf, PA


Here in Sugarloaf, there are many different brands of good heating equipment including Carrier, Bryant, Ruud, Lennox and more. What matters most is competent committed local support. Heating equipment needs to be properly selected and maintained in order to ensure reliable efficient operation. At S.J. Kowalski we feature and stand behind Trane high-efficiency gas furnaces, a national leader HVAC technology.

Building a new home, or want a new system for your Sugarloaf home or business? Our system specialists will evaluate your application, carefully calculate your heating needs and ensure that your ductwork is designed properly for optimum performance. If you’re having heating problems, our factory-trained and licensed service techs can help regardless of the make or model of your current equipment.

Click here to learn more about furnace technology and your choices for a new heating system. For heating repair and maintenance for all other furnace brands offered in Luzerne County PA click here.

Trane Furnace

Click the Trane and Williamson logos above to learn more about the gas and oil furnaces we carry

Air Conditioning Repair, Maintenance & Installation
in Sugarloaf, PA


At S. J. Kowalski Inc. our air conditioning techs are EPA certified and factory-trained. We are Trane Comfort Specialists.

Whether you need service on your existing air conditioning system or need a new installation we have the training and expertise necessary to meet your needs. We will make sure that your air conditioning system is properly sized and properly installed.

We provide full A/C services including schedule & emergency repair, preventative maintenance, and replacement & new installations. To learn more about all of our air conditioning services click here.

Trane Air Conditioner

Click the Trane logo above to learn more about the air conditioners we carry

Ductless Mini-Split Services
in Sugarloaf, PA


Mini-split heat pumps have been used for decades throughout the world, and in recent years have become very popular here in Sugarloaf. With a number of indoor unit configurations and system capacities, mini-splits are extraordinarily flexible.

They are also extremely efficient and are eligible for attractive local utility rebates from UGI of up to $1500. See details here.

To properly service mini-split heat pumps you have to have proper training and the right parts and tools. Our EPA certified and factory training service technicians can ensure that you get the most from your mini-split heat pump. If you have a service issue we can help regardless of brand.

At S.J. Kowalski Inc. we proudly feature Mitsubishi Mini-Split Systems. They are the industry leader and they have proven performance right here in Luzerne County. To learn more about mini-split technology click here.

Mitsubishi Mini-Splits

Click the Mitsubishi logo above to learn more about the ductless mini-splits we carry

If you want an HVAC system with the absolutely lowest operating cost possible a geothermal, or ground source heat pump should be your choice, We offer ClimateMaster ground source heat pump systems. For more information about our geothermal systems click here.
Hot water and steam boilers are a traditional and widespread technology in Luzerne County. At S.J. Kowalski we provide expert service and all boiler brands and feature Bosch and Williams gas and oil boilers. For more information about our boiler services click here.

Water Heater Repair, Maintenance & Installation
in Sugarloaf, PA


If you need a new water heater for your Sugarloaf home or business, we can help. At S.J. Kowalski Inc., we are water heating experts. Electric tanks, gas-fired tank water heaters, advanced gas tankless, or heat pump water heaters are all great options.

But which one is right for you? Give us a call. We’ll evaluate your application and help you decide the best technology to meet the needs of your new water heating system.

If you’re having problems with your water heater give us a call. We service all types of water heaters. Our plumbing experts can rapidly evaluate your problem and we stock the parts necessary to correct most water heater problems fast.

Tankless Water Heaters

Click the Rinnai & Navien logos above to learn more about the tankless water heaters we carry

Tank Water Heaters

Click the Bradford White logo above to learn more about the tank water heaters we carry

We have been a proud member of the Better Business Bureau since 2006. Because of our long and exemplary service to Sugarloaf and the surrounding area we have earned the best possible rating of A+.
Electricity and natural gas provider in most of Luzerne County including Sugarloaf is UGI. For local natural gas customers, UGI offers rebates of up to $1500 for installation of a high-efficiency natural gas boiler, $500 for a new EnergyStar furnace, or $400 for the installation of a new tankless water heater. For details on UGI rebates click here.

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