SJ Kowalski Inc Carries High-Efficiency HVAC Products

Your Greater Hazle Township Expert Since 1972

Challenger Solo Condensing Gas Boilers

  • Up to 95% AFUE
  • Whisper Quiet
  • Wall Hung Gas Boiler

Prestige Solo Wall Hung Condensing Gas Boiler

  • 95% AFUE Efficiency
  • Up to 5.5 : 1 Turndown Ratio
  • Multiple Venting Options