Contact Our Engineering & Editorial Team

Have a question about sizing a 120V room heater or wiring a 240V hardwired garage heater under NEC Article 424? Reach our editorial engineering desk directly:

• Direct Editorial Email: martbusinnes@gmail.com
• Lead Technical Reviewer: john E. Green, P.E., CEM (Lead HVAC Thermal Systems Engineer & Certified Energy Manager)
• Mailing Address: ThermalSafe Heating Engineering Laboratory, 1042 Industrial Pkwy, Bldg 4, Cleveland, OH 44135
• Phone: +1 (888) 492-HEAT
• Response SLA: Inquiries answered within 24–48 business hours.