Bestoff Windows is fully compliant with the qualifications for external window and doors outlined in the American Recovery and Reinvestment Act of 2009. The qualifications strictly require a U Factor equal to or less than 0.30 and a SHGC Solar Heat Gain Coefficient of 0.30. Bestoff Windows meets and exceeds these specifications; our windows U-Factor is 0.28 and SHGC is 0.22.

Contact Details

  City Concord , CA
  Zip Code 94518
  Address 950 Detroit Avenue # 12
  Phone Number (925) 288-9100