Plumbing - Heating - Air Conditioning solutions, servicing the surrounding Princeton NJ area for over 60 years.                           Call us at 609-462-9778
G. H. Keller and Son
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For over 60 years, G. H. Keller and Son have been providing the the following services to the greater Princeton area.
Give us a call at 609-462-9778 to learn more today.

No job is too small for us.  We also offer Emergency Response for customers that have an immediate need for assistance 24 hours a day, 7 days a week.

We believe you will be impressed with our ability to get the job done right.
  • Air Conditioning
  • Plumbing
  • Testing and Balancing
  • Water Heater and Boiler
  • Heating
  • Chilled or Hot Water Piping
  • Sheet Metal Duct Work
  • Compressed Air Piping
  • Ventilation
  • Energy Management
  • Air Distribution
  • Gas Piping
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