Serving Chester County and the neighboring counties

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DelFera & Son Heating & Air Conditioning is your best choice for heating and air conditioning. Contact us 24/7 and ask about our furnace installation special. FREE estimates are available for equipment installations.

  • Check refrigerant levels and clean condenser coil

  • Oil fan motor and check blower system

  • Clean evaporator coil

  • Clean condensate drain

  • Inspect and clean air filter

  • Add 1 pound of FREE refrigerant (if needed)

  • Review temperature levels

  • Vacuum and clean heating system

  • Observe chimney and inspect air filter

  • Tune-up the oil or gas burner

  • Replace oil filter and nozzle (if applicable)

  • Look for combustion leaks and adjust burner

  • Inspect wiring and heat exchanger

  • Review baffles and all safety controls

Prepare for warmer weather with the help of our spring special:

Keep your equipment running smoothly with our fall special:


AC Service

Air conditioning

Quality heating

Great furnaces

Efficient boilers

Complete AC Service