Protech Products is proud to be the West Coast Distributor for Southern Air. We have units to fit your needs in order to provide you the comfort of cool air in the summer and warmth in the winter. The larger units also have additional ports for defrosting your windshield. These units are easy to install and will give you years of pleasure. Check out are A/C Components page to order individual components for your needs.
The SR3 Heat/Air Unit is the perfect unit for the small coupe or truck that has a space problem. This unit fits under the dash and is easy to install. You can purchase the unit by itself or get the Complete System that includes unit, condenser, hose kit & drier, and compressor with A/C bracket. The SR4 Super Frost is the same as the SR3 except for 2 extra ports. Size of both units: Height-5", Depth-11-3/4", Width-16-1/4"
Maxi-Cooler 4: Not a better unit for the money that gives you all the amenities in three ports with electric actuators and manual controls. Perfect for the Coupe, Sedan, and Truck. Purchase just the Unit or get the Complete System that includes unit, condenser, hose kit & drier and 508 Sanden Compressor with a/c bracket. Size: Height-9-3/4", Depth-8-3/4", Width-19-1/4"
The Maxi-Cooler III is the "Big One" with electronic actuators. Designed to be used on your biggest car. It has an electric motor for facia and defrost control. NO vacuum. Also an electric water valve for exact heat/cool control. Purchase just the Unit or buy a Complete System that includes unit, condenser, hose kit & drier and 508 compressor with A/C bracket. Size: Height-10", Depth-8-1/2", Width-24-1/2"