Instruments for the measurement of humidity, offering a line of hvac transmitters and relative humidity sensors for OEM, as well as chilled mirror dew point hygrometers and humidity generators.

Supply energy controls with a broad range of electromechanical and electronic time switches, photoelectric controls, defrost timers, thermostats, and other products.

Controllers and stations, analyzers, instrumentation, actuators and regulators.

Manufacturers of heating control products including sensors, valves, controllers, thermostats.

Microelectronic flow switches and water conductivity sensors to eliminate water treatment problems in cooling towers.

Provides components, systems, and services used to control the climate of residential and commercial living environments. Offers programmable thermostats.

Manufactures a line of defrost controls, including electric heat, hot gas, and off cycle.

Dutch Association of Air Duct Manufacturers.

Master distributor of HVAC/R controls selling to wholesalers nationwide.

Manufactures electronic and electro-mechanical equipment to monitor spatial environments such as clean rooms and containment applications in the electronic, pharmaceutical and health care industries, asbestos, lead abatement contractors.

Control systems for boilers, with sequences optimized for energy efficiency.

Engineers and installs building automation systems include hvac controls, access and security, lighting control.

Laser particle counters and monitors for liquid, airborne and vacuum in situ applications, such as cleanrooms, manufacturing, semiconductor, pharmaceutical, industrial cleaning.

Mancoolers, crane cab fans, exhaust fans and custom units for process cooling, spot cooling and general ventilation.

Manufactures thermostats and related HVAC controls and accessories

Manufactures hardware and software for the HVAC building automation industry.

Temperature sensors for all HVAC/R applications. A variety of configurations are available, including duct, water, indoor and outdoor air temperature sensors.

Offer valves, actuators, drives, electronic controls, and combustion control products.

Low cost sensors, relays, valves and HVAC products.

From our site you can price your project online. Electric radiant infloor heating/warming products. Our thinset mats can by used under carpet, tile, floating floors and stone, our mudset cable works well for interior slabs and snow melting projects.

Manufacturer of electronic controllers for ventilation, heat, mist, water and feed consumption, for poultry, hogs and greenhouses.

HVAC controls.

Supplier of sensors, valves, actuators and ventilation control products for HVAC contractors.

Produces VAV and pre-programmed controllers for packaged applications and peripheral devices.

Designs and manufactures cost effective electronic and software products meeting the needs for on-site and remote-location control for the heating, ventilation, and air conditioning market.