DelFera Heating & Cooling Company provides trusted and reliable heating and air conditioning services. DelFera guarantees Repair Service with a 2-year warranty! DelFera’s most cost effective solution is our popular Ultra Maintenance Agreement bringing many benefits including Same Day Service, complete precision tune up with FREE Carbon Monoxide check, and coverage on parts and labor, so if a repair is needed…no cost to you! For System Replacement and New Installation, DelFera offers a wide variety of Energy Star Certified, Ultra-high efficiency products with excellent warranties, and guaranteed $$$ savings with Federal Tax Credits, Peco and Manufacturer Rebates.