B & D Mfg., Inc.

B & D Mfg., Inc. is a U.S. manufacturer of geothermal HVAC system components and HDPE piping products used in residential and commercial geothermal installations.

Known for inventing the non-pressurized geothermal flow center, B & D has been a leader in geothermal system innovation since 1992. Our products include geothermal flow centers, hydronic buffer tanks, air handlers, HDPE fittings, fusion equipment, and system accessories.

Our solutions are trusted by contractors, engineers, and distributors across the United States for reliable, high-performance geothermal systems.