Thin Heating Cables | Thermawire.com
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Thin Heating Cables

Click Here for New Product Selection Table
(includes sizing guidelines for use with Ditra-Heat Membrane)

3/16" or 4mm diameter Thin heating cables are the industry standard for floor warming applications under tile.  A popular choice by ceramic tile installers and electricians who install these regularily.  Thin heating cables offers installers more flexibility in their layout and determining heating capacity of the system.  Cable spacing can tightened in colder areas as a primary heat source or widened when floor warming is only required.  

Floor warming is becoming accepted as a proven means of heating under other flooring such as laminate, engineered hardwood and vinyl flooring.  Care must be taken when installing thin heating cables to ensure they are not damaged until they are covered in a protective layer of mortar or self-leveling cement.

Download the installation guide for review here:  Thin Heating Cable Installation Guide

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  • ThermaWire 120V 195W Thin Floor Warming Cable
    $194.65 $121.38 ThermaWire 120V 195W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 18-22 SF | Under Wood: 16-21 SF | Under Tile: 14-18 SF| Cold Areas: 13-16 SF
  • ThermaWire 120V 240W Thin Floor Warming Cable
    $211.65 $136.26 ThermaWire 120V 240W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 22-27 SF | Under Wood: 20-25 SF | Under Tile: 17-22 SF| Cold Areas: 16-20 SF
  • ThermaWire 120V 300W Thin Floor Warming Cable
    $237.15 $151.73 ThermaWire 120V 300W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 27-34 SF | Under Wood: 25-32 SF | Under Tile: 22-27 SF| Cold Areas: 20-25 SF
  • ThermaWire 120V 375W Thin Floor Warming Cable
    $279.65 $172.55 ThermaWire 120V 375W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 34-43 SF | Under Wood: 32-39 SF | Under Tile: 27-34 SF| Cold Areas: 25-31 SF
  • ThermaWire 120V 470W Thin Floor Warming Cable
    $296.65 $198.73 ThermaWire 120V 470W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 43-53 SF | Under Wood: 40-49 SF | Under Tile: 34-43 SF| Cold Areas: 31-39 SF
  • ThermaWire 120V 580W Thin Floor Warming Cable
    $330.65 $230.86 ThermaWire 120V 580W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 53-66 SF | Under Wood: 49-61 SF | Under Tile: 42-53 SF| Cold Areas: 39-48 SF
  • ThermaWire 120V 735W Thin Floor Warming Cable
    $390.15 $272.51 ThermaWire 120V 735W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 67-84 SF | Under Wood: 62-77 SF | Under Tile: 53-67 SF| Cold Areas: 49-61 SF
  • ThermaWire 120V 910W Thin Floor Warming Cable
    $449.65 $321.30 ThermaWire 120V 910W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 83-103 SF | Under Wood: 77-96 SF | Under Tile: 66-83 SF| Cold Areas: 61-76 SF
  • ThermaWire 120V 1190W Thin Floor Warming Cable
    $543.15 $397.46 ThermaWire 120V 1190W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 108-135 SF | Under Wood: 100-126 SF | Under Tile: 86-109 SF| Cold Areas: 79-99 SF
  • ThermaWire 120V 1615W Thin Floor Warming Cable
    $713.15 $509.32 ThermaWire 120V 1615W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4 W/F max 15 W/SF. Sizing guidelines: In concrete: 147-183 SF | Under Wood: 136-170 SF | Under Tile: 117-147 SF| Cold Areas: 108-135 SF
  • These thin heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $203.15 $124.95 ThermaWire 240V 200W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 17-21 SF | Under Tile: 14-18 SF | Cold Areas: 13-16 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $220.15 $139.23 ThermaWire 240V 250W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 21-26 SF | Under Tile: 18-22 SF | Cold Areas: 16-21 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $245.65 $156.49 ThermaWire 240V 310W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 26-32 SF | Under Tile: 22-28 SF | Cold Areas: 21-26 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $288.15 $179.10 ThermaWire 240V 385W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 32-41 SF | Under Tile: 28-35 SF | Cold Areas: 26-32 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $305.15 $208.25 ThermaWire 240V 480W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 41-51 SF | Under Tile: 35-44 SF | Cold Areas: 32-40 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $339.15 $241.57 ThermaWire 240V 600W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 51-63 SF | Under Tile: 44-55 SF | Cold Areas: 40-50 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $398.65 $284.41 ThermaWire 240V 750W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 63-79 SF | Under Tile: 55-68 SF | Cold Areas: 50-63 SF
  • These thin Heating cables are C-UL-U certified for indoor flor Heating applications.  Your investment is protected by our 10 year warranty which will cover repair costs or replacement up to the original cost of the cable.  CFW-T cables are designed to be installed over non-combustible surfaces and covered with as little as 1/4" of mortar or self-leveling cement.  See installation section for more details.
    $466.65 $336.77 ThermaWire 240V 940W Thin Floor Warming Cable
    4mm or 3/16 inch diameter twin conductor Heating cable. 4.0 W/F max 15 W/SF. Sizing guidelines: Under Wood: 79-99 SF | Under Tile: 68-85 SF | Cold Areas: 63-78 SF

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