I’ve had a few highlights working on school buses over the last 22 years and this is one of them. The Proheat X30 diesel coolant heater manufactured in Vancouver, BC has proven itself all over North America. It’s programmed and engineered to deliver a clean burn and produce enough heat …a whopping 30,000 btu to… Continue reading Proheat X30 Diesel Coolant Heater Installed in an International School Bus