Honeywell Universal Thermostat Guard Protect your HVAC settings with this Honeywell Universal Thermostat Guard. This clear, durable plastic cover prevents unwanted access and accidental adjustments to your thermostat, making it an ideal solution for homes, offices, and rental properties where temperature control needs to be secured. The transparent design ensures that the thermostat display remains easily readable at all times. This unit is in unused, open box condition and comes ready to install. Its universal design allows for flexible mounting over a wide variety of thermostat models. The clear, tamper-resistant acrylic construction provides a clean, unobtrusive look that blends into any wall decor while keeping your settings locked away. Installation is straightforward, allowing for simple surface-mounting to keep your heating and cooling systems running efficiently without unwanted interference. This locking thermostat cover is a practical investment for maintaining consistent indoor temperatures and protecting your equipment from daily wear and tampering.