Honeywell Thermostat Cover Small/Medium

Protect your thermostat from unauthorized adjustments and accidental damage with the Honeywell Thermostat Cover Small/Medium. Crafted from high-clarity, chemical* and UV-resistant acrylic, this lockable guard maintains visibility of your controls while providing a robust barrier against tampering. Its discreet design blends seamlessly into any home or office environment and allows proper air circulation to ensure accurate temperature sensing.

Whether you want to secure a family’s comfort settings or prevent needless resets in a shared space, this cover fits most small to medium Honeywell thermostats and many other brands. The easy, no-tools installation installs directly over your existing thermostat for immediate, reliable protection.

Key Features

• Clear, impact-resistant acrylic resists yellowing and preserves full visibility
• Secure keyed-tumbler lock with removable key only when in locked position
• Double-wall base barrier blocks tampering tools while allowing airflow
• Internal shelf prevents prying on the thermostat surface
• Quick wall-mount installation over existing thermostat—no device removal required
• Compatible with most small/medium thermostats measuring up to 5″H × 6″W × 1.75″D