| Woodburner Warehouse http://www.woodburnerwarehouse.co.uk/ Stove supplier located in Pembrokeshire, offering woodburning and multi fuel heaters, including boilers, double sided and contemporary, from major brands. | |
| Wattco http://www.wattco.com/ Manufacturer of cartridge, band, tubular and immersion heating elements for industrial and commercial applications. | |
| Watson Heating New York http://www.watsonenterprisesinc.com/ Install, maintain and service gas and electric systems for residential and commercial clients. Serve Queens, Brooklyn and Long Island areas of New York | |
| Watlow Electric Manufacturing Company http://www.watlow.com/ Manufacturing industrial heaters and electric heating elements including temperature sensors and temperature controllers. Links to Company offices in Europe. | |
| Value Engineered Products, Inc. http://www.vepinc.com/ Manufacturer and distributor of heat sinks and SCR clamps for power electronics components | |
| U.S. Sensor Corporation http://www.ussensor.com/ Manufacturer of thermistors, probes and assemblies for temperature measurement, control, and compensation applications. | |
| Timtronics http://www.timtronics.com/ Manufacturer of heat transfer compounds. Formulations for high temperature and electrically conductive requirements, plus custom applications. | |
| Thermowatt Spa. http://www.thermowatt.it/ Producer in Italy of heating elements and stem thermostats for electrical water heaters. | |
| Thermostats USA http://www.thermostatsusa.com/ Suppliers of wireless, light activated, hotel and motel thermostats, combination devices and humidstat. | |
| Thermatron Engineering, Inc. http://www.thermatroneng.com/ Manufactures compact liquid-to-air copper and stainless steel circuited heat exchangers used for cooling of electronics, laser, semiconductor manufacturing and test equipment, and similar applications. | |
| Thermal Solutions International http://www.thermal-solutions.us/ Provides heatsinks, extrusions, cooling devices and thermal interface materials for various electronic devices. | |
| Thermal Electric Elements http://www.thermalelectric.com.au/ Manufacturers of tubular electric heating elements for industrial and commercial applications. Worldwide servicing, Australian based. | |
| Thermal Corporation http://www.thermalcorp.com/ Manufactures industrial electric heaters. | |
| Thermacore, Inc. http://www.thermacore.com/ Supplier of thermal management solutions for computers, communications equipment, military/aerospace, medical/test equipment, power electronics, and advanced technology applications. | |
| ThermCoil Mfg http://www.thermcoil.com/ Supplier of Replacement Industrial and Commercial Heating Elements | |
| The Igniter Source http://www.ignitersource.com/ Supplier of hot surface igniters for furnaces, water heaters and gas dryers. Made of silicon nitride. 3-year manufacturer's warranty. | |
| Tellurex Corp. http://www.tellurex.com/ Manufactures peltier solid state cooling modules that run on 3.9 to 16.1 volts, and transfer up 80 watts of thermal load. | |
| TRAC Air Conditioning and Environmental Services http://www.trac-aircon.co.uk/ Suppliers of Commercial and Residential cooling and heating systems, based in West Midlands, UK. | |
| TPI Corporation http://www.tpicorp.com/ Manufacturers of electric heat and ventilation equipment. | |
| TM Stoves http://tmstoves.com/ Heating appliance retailer providing sales, installation, and service in southeastern Pennsylvania, USA. | |
