Tutco Heating Solutions Group - Cookeville, TN
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom duct heaters. Round duct heaters & heat pack register heaters are available. Applications include space heating, primary heating, secondary heating auxiliary heating, reheating & multizone & variable air volume heating. UL® & CSA® listed.
Brand Names: Tutco
www.tutco.com/convection_heaters/duct_heate...

ASB Heating Elements - Buffalo, NY
Manufacturer, Custom Manufacturer
Custom manufacturer of air heaters, duct heaters & high temperature duct heaters. Features of duct heaters include Incoloy® elements, steel mounting flanges, steel element keepers, outlet air temperatures up to 1050 degrees F, 2 in. & 4 in. insulation inside terminal box & up to 600 volts. Used for forced air & ducted system applications.
asbheat.rtrk.com/?scid=2691924&rl_alt=http%...

Duct Heaters Products
	Duct Heaters

WATTCO - Hallandale, FL
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom duct heaters composed of open coil, tubular or finned tubular heating elements. Types of duct heaters include process & air duct heaters. Specifications include 10 A to 25 A current, 277 VAC to 600 VAC voltage & 160 degrees F & 225 degrees F temperature. Various features include stainless steel supports, field replaceable heating elements, 1/4 in. ID thermowells, 3 1/2 in. thick insulations, terminal enclosures, built stainless steel frames & single & three phase tensions. Various applications include heat treating, forced air comfort heating, air handling equipment, annealing, fan coils, core drying & terminal reheating. CSA & UL approved.
Brand Names: Wattco
www.wattco.com/duct-heaters.html

Turnbull Specialties, Ltd. - Cowansville, QC
Manufacturer, Custom Manufacturer
Custom manufacturer & designer of coil heaters for duct heating applications. Heaters can be designed & fabricated to custom specifications. Specifications include 1,000 cfm to 40,000 cfm airflow, 20,000 btu/hour to 3,000,000 btu/hour thermal heating capacity, 650 degrees F design temperature & 450 psig operating pressure. Epoxy coated heaters are available with steel cores, steel spiral wound fins, TEFC motors & heavy-duty aluminum, steel or stainless steel fan blade with a steel hub. Optional extruded aluminum or stainless steel fins, stainless steel cores & explosion proof, stainless, wash down & pneumatic drive motors are available.
www.turnbullcoils.com/unit_heaters/models.h...

Heatrex, Inc. - Meadville, PA
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of tubular finned duct heaters. Duct heaters are available with 0.430 dia., copper clad steel tubular elements, edgewound furnace brazed fins & prewired 48 A circuits. Features include explosion, & moisture resistant terminal housing. Duct heaters are available with steel mounting flange, support rods, & voltage up to 600 V. Options include insulation box, hermetically sealed terminals, & solid state control panels & controls. Meets NEMA standards.
heaters.heatrex.com/category/hvac-electric-...

Duct Heaters Products
	Standard HVAC Duct Heaters-Open Coil Standard HVAC Duct Heaters-Finned Tubular Custom HVAC Duct Heaters More

Waage Electric, Inc. - Kenilworth, NJ
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom tubular heaters including duct or hose heaters for industrial heating applications. Specifications include 17 W/linear in. to 55 W/linear in. power, 24 in. to 96 in. sheath length & 115 to 230 voltage. Duct or hose heaters are available with coiled nickel-chromium resistance wires & brass, steel, stainless steel & titanium seamless sheaths. Duct or hose heaters can be formed to any shape for heating by radiation, conduction & convection.
Brand Names: Waage
waage.thomasnet.com/viewitems/band-tubular-...

Duct Heaters Products
	Tubular Heater

Tempco Electric Heater Corp. - Wood Dale, IL
Distributor, Manufacturer, Custom Manufacturer
ISO 9001 certified manufacturer of custom & standard heaters including duct heaters. Types include metal tube immersion heaters. Markets served include OEM equipment manufacturers, industrial & commercial. Products are UL® & CE listed & CSA certified.
www.tempco.com/tubular%20process/Duct%20Hea...

INDEECO - Saint Louis, MO
Manufacturer, Custom Manufacturer
Designer & manufacturer of standard & custom explosion proof duct heaters. Features include ignition temperatures low as 392 degrees F, ratings up to 1000 kW, 600 V, up to 48 in. depth, 1600 lbs. weight & vertical airflow. Control options include multi-stage control with built-in step controller & field installed thermoset, single on or off control & solid state control with built-in zero-cross switching SCR. Six standard sizes are available. Maximum inside duct dimensions feature 75 in. x 35 in. FM & CSA approved.
Brand Names: Ultra-Safe
thomasnet8.rtrk.com/?scid=1870732&rl_alt=ht...

Duct Heaters Products
	Electric Duct Heaters Vent Duct Heaters Series EP2 Explosion Proof Duct Heaters More

Gaumer Process - Houston, TX
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified custom manufacturer & stocking distributor of duct heaters. Heaters are available in various models & configurations. Specifications of duct heaters include 450 degrees F circulating air temperature & 0.1 kW to 4,300 kW power. Features include explosion proof control systems & insulation design jackets & overheat sensing thermocouples. CSA certified. Meets ASME standards. UL listed.
Brand Names: Fenwal, Gaumer Process Heaters
www.gaumer.com/ProductCategory.pasp?cat=hea...

Heat Exchange & Transfer, Inc. - Carnegie, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of electric process heaters including air duct heaters. Specifications of air heaters include 6 kW to 84 kW output & 240 V to 600 V operating voltage. Air heaters are available with features including stainless steel baffles, seal welded elements, explosion resistant enclosure, under-the-flange insulation & high process temperature up to 1200 degrees F. Air heaters are available with various options including hazardous area design, construction materials, thermocouple probe, high temperature construction, duct transition section, custom designs & packages & control center. Air heaters are suitable for process gas heating, paint drying & curing, heat treating, drying ovens, air pre-heating & dehumidification applications. Meets NEMA standards.
heat-inc.thomasnet.com/viewitems/electric-p...

Duct Heaters Products
	Air Duct Heaters

Thermal Solutions of Texas - Tomball, TX
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer and distributor of standard and custom duct heaters. Types of heaters include modular circulation duct heaters, tubular heaters, tubular air duct heaters and strip heaters.
Brand Names: Watlow, Watrod
www.thermalsolutionsoftexas.com/electric-he...

Hyndman Industrial Products, Inc. - Fort Wayne, IN
Manufacturer, Custom Manufacturer, Service Company
Manufacturer & designer of high temperature heating elements for duct heaters. Elements types include open coil, serpentine, porcupine, ribbon, rod, strip, plug & rack in gage sizes from 000 to 50 & materials including iron/chrome/aluminum, copper/nickel, nickel/chrome, high temperature stainless steel, Kanthal D, APM, AF & A1, Hoskins alloy 875 & 815, Nikrothal, Chromel, Tophet, Nichrome, Cronix, Cronifer, Aluchrom.
www.resistancewire.com/mainpage.php?page=pr...

Thermal Devices - Mount Airy, MD
Distributor, Custom Manufacturer
Distributor of duct or tubular heaters.
Brand Names: Elstein, Fast Heat, Heatron, Tempco, Watlow
www.thermaldevices.com/products/shopping/pr...

Durex Industries - Cary, IL
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of duct heaters: electric heaters for all industrial & commercial applications. Heater types include cast-in, immersion, tubular, cartridge, flexible cable, circulation, silicone rubber, & ceramic. Standard & custom designs available for all applications.
www.durexindustries.com/products/electric-h...

Watlow - Saint Louis, MO
Manufacturer, Custom Manufacturer
Manufacturer of industrial process heaters including electric, immersion, & duct heaters. Used to heat high & low viscosity thermal fluids ranging form de-ionized & process water, oils, solvents, rinse agents, caustic solutions & to process gases like air, nitrogen, & argon. Sheath materials include copper coated steel, Incoloy®, 304SS & 316LSS. Vessel materials include cast aluminum, 316L, PTFE, 304SS, brass & steel. Maximum operating temperature of 1200 degrees F & pressure up to 1500 PSI. Maximum wattage up to 200 W per in. sq. ISO 9000 Compliant. QC-1 certified.
watlow.thomasnet-navigator.com/category/tub...

Duct Heaters Products
	MDH SERIES Duct Heaters LDH SERIES Duct Heaters - Application: Medium Temperature Air 750ºF (399ºC) D SERIES Duct Heaters - Application: High Temperature Air 800ºF (427ºC) More

Johnstone Supply - Portland, OR
Distributor
Distributor of duct heaters. Available as electric duct heater modules for use on fan coil units.
Brand Names: A.O. Smith, Amtrol, Armstrong, Caleffi, Cozy, FloAire, Friedrich, Heat Controller, Hoffman,...
www.johnstonesupply.com/storefront/hvac-equ...

TEMP-AIR, Inc. - Locations
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer & rental service provider of temporary, portable heating equipment including duct heaters. Includes direct fired, indirect fired, steam/hot water, electric & ground thawing units, suitable for industrial, commercial, construction, special event & various other applications. Other rental services include air conditioners, spot coolers, chillers, air handlers, fans, dehumidifiers & air filtration units. 24 hour service available nationwide.
Brand Names: Bayley, Frost Fighter, L. B. White, Schaeffer, TEMP-AIR, TOPAZ, Tri-Dem, Wacker Neuson
www.temp-air.com/

Duct Heaters Products
	Indirect-Fired Heaters (Skid)

ComEnCo Systems, Inc. - Davison, MI
Custom Manufacturer, Service Company
Design & build engineering services for environmental equipment & energy systems including soil remediation systems, packaged process air heaters, computer, energy recovery systems, coil coating line systems, conveyorized & batch type oven drying systems, VOC abatement systems & afterburner systems. Services also include installation, start-up & retrofitting.
www.comenco.com

Tutco-Farnam Custom Products - Arden, NC
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer & designer of standard & custom open frame duct heaters for commercial & industrial applications. Duct heaters are available in single & three phase conifguration, 120 to 480 V power supply & 1,000 W to 60,000 W power.
Brand Names: Tutco
www.farnam-custom.com/air_heaters/duct.php

Spiral Manufacturing Co., Inc. - Minneapolis, MN
Manufacturer, Custom Manufacturer
Manufacturer of above or below duct systems including heaters that used for HVAC.
www.spiralmfg.com/prod.htm

Valad Electric Heating Corp. - Tarrytown, NY
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom electric vent duct heaters. Types of duct heaters include single/three stage ventilation duct heaters, marine standards ventilation duct heaters, commercial standards ventilation duct heaters, navy standards ventilation duct heaters, insert ventilation duct heaters & cylindrical ventilation duct heaters. Prototyping services are available. ETL & UL® listed. Made in the USA.
heaters.valadelectric.com/category/electric...

Duct Heaters Products
	Single/Three Stage Ventilation Duct Heaters Marine Standards Ventilation Duct Heaters Commercial Standards Ventilation Duct Heaters More

Specific Systems - Locations
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom air & duct heaters. Types of heaters include explosion proof heaters, non-explosion proof open coil heaters & crankcase heaters. Explosion proof heaters are available in power capacities from 1.6 kW to 40 kW & operating ambient temperatures from -40 degrees F to 104 degrees F. Explosion proof heaters are designed for use in petrochemical facilities, paper mills & sewage treatment plants. Air & duct heaters are UL® listed & CSA® certified.
www.specificsystems.com/explosion-proof-hea...

Glenro, Inc. - Paterson, NJ
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom heaters including commercial, radiant & duct heaters for predrying, drying, curing, preheating & process heating applications. Types include gas & electric heaters. Electric infrared heaters emit infrared heat at medium & long wavelengths. Electric heaters are available with power output at 4800 W per sq. ft. at temperatures up to 1500 degree F. Gas infrared heaters are available with temperature ratings up to 1600 degree F & 56,000 BTU per sq. ft. of radiant surface.
Brand Names: Radplane
www.glenro.com/infraredheaters.html

Thermal Equipment Sales Co. Inc. - Memphis, TN
Distributor, Manufacturer, Custom Manufacturer
Distributor of air heaters including air duct heaters. Air duct heaters are available with maximum operating temperature ratings up to 900 degrees F. Other air heaters such as hot air tool heaters, serpentine triple pass heaters, high temperature air heaters, small system air heaters with controls, air heaters with built-in gun & controls, threaded inline heaters & flanged inline heaters are also available.
thermalinc.rtrk.com/?scid=2574870&rl_alt=ht...

Flexotherm Brand Heated Products - Highland, MI
Distributor, Manufacturer, Custom Manufacturer, Service Company
Service disabled veteran-owned manufacturer of standard & custom immersion, circulation & duct heaters. Heaters are used for liquid & gas heating in semiconductor & electronics industries. CE certified. UL listed. Two years warranty. Made in USA. Veteran-owned ISO certified.
Brand Names: Flexotherm, firerod
www.flexotherm.net