Starting in Philadelphia PA in 1984 it is now run by the third generation as a privately owned commercial & industrial mechanical insulation contractor headquartered in Elkton, MD serving Pennsylvania, Washington, DC, West Virginia, Maryland & Northern Virginia. Specializing in HVAC, Water piping, Steam systems, Chemical Piping, and Heat Tracing installation and design. Our forward thinking approach to hiring allows us to bring on and train the most qualified insulators in the field. All employees go through a background check, drug screening, and E-Verification. All employees must pass our vigorous safety and training program assembled by H & H Insulation and the National Insulation Association.