Nuheat. Homeowners can easily control their Nuheat floor-warming systems with the new Energy Star-rated Solo programmable thermostat. The dual-voltage (120v and 240v) unit features seven-day programmability and can link to other heating zones within the home and to external temperature sensors for a one-stop location of temperature and information control. A simple three-button design, full menu screen, and Web-based tutorial make programming easy. 800.778.9276.