• Service of all Brands
  • Repair & Replacement of Units
  • Commercial Roof Top Units
  • Chiller Installation & Repair
  • Split Systems
  • Mini Splits
  • Ductless Work
  • Custom Duct Work
  • UV Lights
  • Filtering Systems
  • Energy Management


  • Sales - Service - Installation
  • Radiant Floor Heat
  • Geothermal Radiant
  • Baseboard Heat
  • Gas, Oil & Propane
  • Commercial Boiler Service
  • Steam Boilers


Karl L. Keath Inc. offers some of the most highly qualified heating & air conditioning service technicians in the Central PA area and surrounding communities. Since 1996, we have provided superb service to our customers and have assisted them in keeping their homes or offices warm in the winter and nice and cool in the summer.

our heating services include:

Heating & air conditioning services


our air conditioning services include:

Telephone: 717-866-9525 or 610-589-6461