For over 60 years, Princeton Fuel Oil (PFO) Heating and Air Conditioning is one of the heating and air conditioning contractors servicing to both residential and commercial customers. Based in Trenton, N.J., the company is one of the leader s in providing safe oil heating solutions. It services heating and air conditioning systems from Carrier, Puron and other manufacturers for sale. The company offers full protection service contract for oil heaters, central air conditioning, heat pumps, gas heaters and commercial systems. Its capabilities lie in air cleaners, boiler replacements, furnace, water heaters, tank installation, burner, fuel oil deliveries and others. The company is a Carrier Factory Authorized Dealer.