VRFE

circulating pumps for use in heating, cooling, humidity control, radiant heating and air quality systems; valves and heat exchangers being parts of machines for use in heating, cooling, humidity control, radiant heating and air quality systems

Environmental controls for use in heating, cooling, humidity control, radiant heating and air quality systems, namely, electronic control devices for controlling circulators, pumps, valves, heat exchangers, air elimination, pressure vessels, compressors and condensers, evaporators, all for use in heating, cooling, and air quality systems; Downloadable computer software for the design of heating, ventilation and air conditioning mechanical systems and control systems; Downloadable computer software to aid in the selection of components in heating, ventilation and air conditioning mechanical systems and control systems

air separator and expansion tanks for use in heating, cooling, humidity control, radiant heating and air quality systems

Maintenance services for heating, cooling, humidity control, radiant heating and air quality systems