Flathead Valley Heating & Air Conditioning services. Brite Mechanical is a full service provider of Residential and Commercial HVAC Products and services. We offer repair, service and installation of Gas Furnaces, Ventilation systems, Air Conditioning, Heat Pumps Refrigeration equipment, Indoor Air Quality products, Boilers, Radiant Heat systems, Geothermal systems, Fireplaces, Stoves, Gas lines, and commercial kitchen equipment.