SJ Kowalski Inc Carries High-Efficiency HVAC Products
Your Greater Hazle Township Expert Since 1972
QE Trilogy 45 Q-Mode Series Geothermal Heat Pump
- 45 SEER, 5.1 COP
- vFlow Internal Variable Water Flow Control
- Packaged Water to Air

TMW Tranquility Medium Temperature WTW Heat Pump
- Water to Water
- Medium Temperature Output
- Made in America


