DeltaTemp Geothermal Heating and Cooling Share: Contractor Services DeltaTemp Geothermal Heating and Cooling Visit Website Request Info 13531 East Boundary Road Suite C Midlothian, VA 23112 804 739-5854 About Map About DeltaTemp is a second generation family-owned and operated has been a Premier Provider of Geothermal Systems in Central Virginia since 1994. What's Nearby? Distance: 5 10 15 20 25 50 mi.