Question 1

Which is better, Honeywell CG512A Large Thermostat Guard or Universal Thermostat Lock Box Guard by CatStat?

Accepted Answer

Based on our testing, the Honeywell CG512A Large Thermostat Guard scores higher overall at 8.2/10. The Honeywell CG512A Large Thermostat Guard scored 8.2/10 and the Universal Thermostat Lock Box Guard by CatStat scored 8/10 in our Best Thermostat Covers and Guards 2026 evaluation.

Question 2

Is the Honeywell CG512A Large Thermostat Guard worth it over the Universal Thermostat Lock Box Guard by CatStat?

Accepted Answer

The Honeywell CG512A Large Thermostat Guard scores 8.2/10 while the Universal Thermostat Lock Box Guard by CatStat scores 8/10. The Honeywell CG512A Large Thermostat Guard is our "Best Overall" pick in the Best Thermostat Covers and Guards 2026 category.

Honeywell CG512A Large Thermostat Guard vs Universal Thermostat Lock Box Guard by CatStat: Which to Buy?