Step 3: Determine the Materials Needed
iHelios infrared heating film comes in different sizes and wattages:
- iH403: 30 cm width, 66 W, suitable for ceiling installation between 40 cm joists.
- iH405: 50 cm width, 110 W, for ceiling, floor installation between 60 cm joists.
- iH410: 1 m width, 140-220 W, ideal for underfloor heating under laminate, engineered, and wooden floors.
Choose the appropriate film based on your calculated heating load and installation area.
- For Floors: Cover 80% of your floor area to avoid cold spots.
- For Ceilings: Use the following formula to calculate the required length of film:
Film required (lm) = Total Heating Load (W) ÷ Film Wattage (W)
For example, if your heating load is 1500 W and you choose the iH405 film (110 W):Film required = 1500 W ÷ 110 W = 13.6 lm
Power Calculation: To determine the power requirements, divide the total heating load by the voltage (V).
Power = Heating Load (W) ÷ Voltage (V)
For example, 1500 W ÷ 240 V = 6.25 A. If the required power exceeds 16 A, use two thermostats or install a contactor. Placement Tip: Cut the heating film into sections, leaving at least 200 mm of space from the walls at both ends. Distribute the film evenly to ensure uniform heating, with no obstructions blocking the infrared radiation.