Clyde Simpson Heating & AC Phone: 540-364-2139 Address: 8348 East Main Street Marshall , VA 20115 Place Category: Heating & Air Conditioning Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. Enter your locationGet Directions Travel modeDrivingWalkingBicyclingPublic Transport Distance unitsMilesKilometers