Designed for:

  • Existing Floors
  • Laminate Flooring
  • Floating Engineered Wood
  • Luxury Vinyl Flooring
  • Floating Tile
  • Traditional Floor Tile
  • Natural Stone Tile
  • Marble Tile Flooring
  • Carpet Flooring

Product Information

QuietWarmth radiant heat film for under subfloors is the perfect solution to add comfort and warmth to any existing flooring, including nail-down wood floors and carpet. Simply place the mats between the subfloor joists and run pre-attached lead wires to an available thermostat. Completely unseen, under subfloor heating panels, warm existing floor surfaces for unparalleled comfort.


Since it is an electric floor heating system, there are no hot water pipes to worry about, thick electrical cables to bury in cement, and most of all no messy installation. Install retro-fit radiant heat to any of your existing floors to add gentle heat for your feet.

The system is incredibly easy to install and can be cut to fit-to-length.

Available in the following sizes in both 120v and 240v:

16" x 5' (6.67 sq ft)
16" x 10' (13.33 sq ft)
16" x 15' (20 sq ft)

120V Heating Panels

QWJOIST17X5120 16" x 5' 47.53 0.4
QWJOIST17X10120 16" x 10' 95.06 0.79
QWJOIST17X15120 16" X 15' 151.62 1.26

240V Heating Panels

QWJOIST17X5240 16" x 5' 47.53 0.208
QWJOIST17X10240 16" x 10' 95.06 0.417
QWJOIST17X15240 16" X 5' 151.62 0.625


Features and Benefits

  • Ultra-thin, conductive ink film technology, for existing floors
  • 10 watts per sq ft
  • Staple between joists below subfloor, wire multiple panels together in parallel.
  • Cut to fit length
  • Great for 16 inch OC joist
  • Energy efficient: up to 5¢ per hour (based on 60 sq ft area)
  • Available in 120v/240v
  • installation Time - 45 minute installation time (based on 60 sq ft area)
  • UL listed for safety
  • Control temperature with an available floor sensing thermostat.

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