Over the years, Lumart Engineering has earned an outstanding reputation for engineering quality, service and value. Our technicians are certified in heating and air conditioning repair and installation, sheet metal fabrication and air-quality systems from leading manufacturers and North American Technician Excellence (NATE). NATE is the leading certification program for technicians in the engineering. heating, ventilation, air-conditioning, and refrigeration (HVAC/R) industry. We provide sales, service and maintenance for HVAC and Solar power energy.