The Honeywell Thermostat Guard is a robust, lockable clear cover engineered to prevent unauthorized adjustments to your heating and cooling settings. It serves as an essential barrier in environments where maintaining precise temperature control is critical, such as offices, rental properties, schools, and light commercial spaces. By restricting access to the thermostat interface, it effectively eliminates the common problem of "temperature tampering" that leads to energy waste and comfort complaints.
Manufactured with high-quality, UV-resistant plastic, this guard is designed to resist yellowing and maintain clarity even in areas exposed to sunlight or chemical cleaning agents. The included key lock system ensures that only authorized maintenance personnel or facility managers can access the internal controls, providing peace of mind and operational consistency for any HVAC system.
Why It Matters
Uncontrolled adjustments to HVAC setpoints are a leading cause of system inefficiency and unnecessary service call-backs. Installing a thermostat guard protects your preferred settings, reduces energy overheads, and prevents the "thermostat wars" often found in shared environments. It is a small investment that pays for itself by reducing the wear and tear caused by constant system cycling.
What's Included
- ✓ Durable Thermostat Guard Cover
- ✓ Mounting Base
- ✓ Universal Key and Lock Assembly
- ✓ Complete Mounting Hardware Kit
Features & Benefits
- Anti-Yellowing Plastic: Clear construction remains transparent over time for easy reading of the thermostat display.
- Chemical and UV Resistance: Designed to withstand heavy-duty cleaning and exposure to natural light without degradation.
- Universal Fit Options: Available in Small, Medium, and Large sizes to accommodate a wide variety of Honeywell and third-party thermostats.
- Tamper-Proof Design: The lockable hinge and internal shelf prevent bypass attempts.
- Easy Installation: Includes all necessary hardware for a quick wall-mounted setup over existing thermostats.
Technical Specifications
| Size Variant | Max Dimensions (H x W x D) | Part Number |
|---|---|---|
| Small | 149mm x 149mm x 64mm | CG510A1019 / TG510A1001/U |
| Medium | 165mm x 191mm x 75mm | HLTG511A1000/U |
| Large | 184mm x 248mm x 86mm | CG512A1009 / TG512A1009/U |
Applications
- ✓ Commercial Offices and Boardrooms
- ✓ Schools, Universities, and Childcare Centres
- ✓ Aged Care and Medical Facilities
- ✓ Retail Stores and Shopping Centres
- ✓ Rental Properties and Strata Managed Buildings
Tradie Pro Tip: When selecting a size, don't just measure the thermostat itself. Check for surrounding obstacles like door frames, trunking, or light switches. If your thermostat is positioned close to an edge, the Medium size often provides the best balance of clearance and compact footprint.
Pair With
Complete your installation by pairing this guard with our range of Honeywell Digital Thermostats , or browse all thermostats and temperature controllers for the right fit for your system.
Secure Your Comfort
Stop unwanted tampering and take control of your energy costs today. Choose the Honeywell Thermostat Guard for a professional, durable solution to climate control security. Shop now at HVAC Shop for fast Australia-wide shipping.