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Staple-Up (high temp)

As most in the industry know, Staple-Up is not an efficient heating method. As such, a home needs much higher water temperatures to operate efficiently. In this test, we ran hotter water to compare radiant heating panels. Once again, Warmboard achieves a panel temperature of 70º F within 20 minutes while Staple-Up takes 3x longer.

The striping (the temperature variation across the surface of a panel) only varies by 2.2º F on Warmboard while Staple-Up was almost triple that at 6º F. After 2 hours, Warmboard was generating 28 BTUs/HR/SF (British Thermal Units per hour per square foot), while Staple-Up produced half that, only 14. This means Warmboard uses energy 2x more efficiently than Staple-Up; good news for your monthly energy bills.

Tubing on the Warmboard panel is 12” apart. Staple-Up tubing is at 8” increments. This means more tubing and manifolds are added to the Staple-Up cost as well as longer installation time.

Both panels were in an environment with a 65º F air temperature. They both also had the same water temperature, 145º F. The insulation over each panel had a R-Value of 2.22.

Note: Temperatures were taken from just above the center of each panel. Striping differences were also gathered from this area. Temperatures from on top of the tube were compared to temperatures at the midpoint between the tubing pattern.

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