Certification body now offering radiant heat exam.

MOUNT PROSPECT, Ill. - HVAC Excellence has released its newest technician test, "Residential and Light Commercial Low Pressure Radiant Heat Certification."

According to HVAC Excellence, radiant systems represent roughly 6 percent of the U.S. heating market and are one of the fastest-growing segments of the industry. The new certification is designed for technicians who install, service or maintain hot water heating systems.