HeatBoard System Kits are designed for 120V or 240V requirements. Before pricing, you will need to determine your voltage requirement for the amount of heated floor you desire. HeatBoard kits are designed to supply 12 watts per square foot. Select the 120V kits or 240V kits to proceed with pricing. Then select the square feet of heat desired and which thermostat you prefer. Currently we offer OJ Microline Touchscreen with or without WiFi capability.