The company was established by Russell Zabel, Engineer from Raypak Boiler Manufacture, and Jim Windle, who was the National Sales Manager for Raypak, in Schaumburg, IL.
Delta T moved to San Luis Obispo, CA, in an effort to expand the product line and distribution.
Developed the Delta Tube LD EPDM rubber tube system.
Developed the Delta Tube HD High Density Poly slab heat package.
Moved to San Diego, CA.
Developed Delta Fin TF Aluminum fin tube system.
Purchased Aluminum Sun Fin Company & Manufacturing, moved all equipment to San Diego.
Russell Zabel bought out Jim Windle to become sole owner.
Patented the Delta Fin coupling system.
Delta T brings on the RBI boiler line of boilers.
Developed Aluminum grooved coupling for the SF125 fin products.