Carrier Corp. is a global residential product innovations and solutions firm. Their inventory includes advanced communicating controls and thermostats, high-efficiency split system air conditioners and heat pumps, ductless split systems, gas and oil furnaces, boilers, fan and evaporator coils, geothermal systems, zoning systems, a complete line of indoor air quality products and small packaged products.

GrayWolf manufactures indoor air quality measurement instrumentation that helps optimize the balance between building energy savings and occupant performance, comfort and health. GrayWolf is dedicated to providing reliable, high quality products.