Keep The Air Exchanger: The KeepTheHeat Air-To-Air Heat Exchanger can provide shop ventilation without significant heat loss. Our system recycles your heat and provides fresh air ventilation. We have a reference list of satisfied customers on our web site.
Our customers tell us the features that they like the best...
Heavy Truck Exhaust Systems: Replacing your old OE pipe can be expensive! Search Grand Rock's extensive inventory pf replacement parts and find the part you need for any major brand OE system. New truck, old truck or custom truck, We have what you need.
We offer everything you need from venting & plumbing applications, air handling applications, industrial applications, and truck/automotive products. Visit our site to see all the great products that can help you.