Engineering Service 502-468-0511
Product Distributor & Engineering
ComfortBlt Engineering
David W. Donnelly, PE – 10674 FM 1641, Forney, TX 75126
Providing quality professional engineering services for over 30 years. Specializing in hvac and geothermal systems, application engineering classroom training (residential load calculations), (commercial load calculations), (duct design), and geothermal training and certifiction for installations.
Geothermal: Heat Pumps, PE Piping, Grout/Sand, PE Fittings, Brass Fittings, Valves & Pumps, Hose Kits, Loop Design, Software, Training, and Rentals.
Office# 214-810-9143
Cell# 502-468-0511
Quality-Service/Sales/Installs 24/7
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