Johnson Supply 1401 Valwood Parkway Carrollton TX 75006 was founded in 1953 and has grown to become one of the leading HVACR wholesale supply houses in Texas and Louisiana. AREAS SERVED: Johnson Supply operates 24 HVACR supply houses throughout Texas and Louisiana. BRANDS CARRIED: Johnson Supply carries name brand HVAC supplies fromADP Allied APCO Armstong Air Bacharach Bard Bell & Gossett Bohn Bosch Bristol Broan Century Chandler Cooper Copeland Ducane DuroDyne Dwyer EMI Erie Fieldpiece Fluke Friedrich Glasfoss Hart & Cooley Honeywell ICM Johnson Controls Harris Klein Lau Lennox Inficon Little Giant MagicAire Magic-Pak Malco Mars Mitsubishi Ninco Nu-Calgon Mueller Rectorseal Reznor Supco Sporlan Tecumseh White Rodgers and many more.