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Who We Are

  • Professional
  • Knowledgeable
  • Friendly

Founded in 1972, S. J. Kowalski Incorporated has grown and evolved into the area’s premier plumbing heating and air-conditioning company. We have been able to grow and expand our service in a variety of ways!

What We Do



  • Heating

  • Heating
    Central Heating
    Trane


  • Cooling

  • Cooling
    Heat Pumps & AC
    Trane


  • Mini Splits

  • Mini Splits
    Mini Split Heat Pumps
    Mitsubishi


  • Water Heating

  • Water Heating
    Tankless & Traditional
    Rinnai | Navien


  • IAQ

  • Indoor Air Quality
    Clean Air. Better Air
    Trane | AirScrubber


Maintaining quality as a way of operation is not just a slogan

Following the Golden rule in building relationships with customers

Expanding our services to meet the ever changing demands of our customers

Having our professional team factory trained in the most updated systems of today’s technology





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