100 EXECUTIVE DRIVE #5  |  STERLING, VIRGINIA  |  20166  |  (703) 471–0451

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BEFORE You Call... Check Out These Basic Trouble Spots First! If COOLING Problem or Unit Does Not Run:     Yes No Furnace switch on - fuse ok? Cooling switch on - fuse ok? Thermostat set correctly? Outdoor coil clear of debris? Fan operating? Filter dirty? If HEATING Problem or Unit Does Not Run:     Yes No Gas pilot on - or oil supply ok? Furnace switch on - fuse ok? Thermostat set correctly? Fan operating? Filter dirty? Still unable to locate the trouble? Call Us 703-471-0451 Today!