The 5 Best Nest Thermostat guards (2023 reviews)

The honeywell nest thermostat guard is long-lasting, rigid and fits well with your daily purpose like a dream. This is a good way to keep your office thermostat at a consistent temperature. It has vent slits all around to prevent overheating of the unit you are protecting but then has a tamper-proof shelf right inside the vent slits to prevent anyone from changing the settings by sticking something through the slits. It's approximately 3.5 inches protruding from the wall and 9 inches length and 7 inches height. It helps keep debris out of the lock.

The install cover includes a lock and key for complete control, as well as air vents for optimum thermostat performance. The box works so well, the transparent color allows you to read the meter without open the box. It will crack and shatter if accidentally dropped. It is great for rentals or offices.

Why We Like This:

Easy to install and the key works smoothly
Looks nice and keeps people from tampering with the thermostat
Perfect cover to protect thermostat and the kids constantly adjusting it

Best Runner up: Honeywell complete Control

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The honeywell complete control is capable of outshining several other guard featured in this list in overall features. It is great for locking your heater air controls to keep people from adjusting the heat and air. It protects against unwanted changes to ac/heating preferred settings. It installs super easy and the key, while tight, works excellently. It has 4 holes on inside corners to mount guard. It is chemical and uv resistant. Vents allow free airflow while preventing any tampering.

It is locked up, and it does the job well.

Why We Like This:

Simple and effective way to keep thermostat working at peak performance
Keeps tenants from running up electricity bill
Saves electricity, keeps people from touching the thermostat
Perfect for rental units and offices

Best With stand: Emerson Rmostats Nest Thermostat Guard

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Next on the list, we've got yet another guard that manages to win our hearts. It's the emerson rmostats nest thermostat guard and it's widely considered as one of the best convenient guard you can buy. It is designed to fit most emerson / white-rodger thermostats. It's the right size, comes with 2 keys and the plastic is very sturdy. There is a square ring that attaches to the wall with screws. It will fit over your thermostat. There are no plastic anchors with the screws for mounting on the wall.

It is great for locking the thermostat from other people. It is easy to find a locksmith who has the right key blank to make a copy of the key.

Why We Like This:

Takes a minute to install, real easy
Goes on the wall with screws, thermostat stays in place
Lot of satisfied buyers

Best For daily Use: Statguardplus Nest Thermostat Guard

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Compared with other guard in this category, the statguardplus nest thermostat guard has a convenient design. This box will keep your desired temperature settings on your thermostat away from nosy fingers who would like to change it. It can help to control the energy usage. It is great for use in offices, churches, restaurants, schools, and other public areas to control your energy costs. It has an attractive design and is easy to install, installation is intuitive but if some are not sure they can check out on the installation instructions.

This is fine to keep hands off, but the "hinges" (plastic nubs) dont stay put when opening. It is a changeable 3 digit lock.

Why We Like This:

Prevent unwanted changes to your thermostat
More sneaky hands changing your heating and cooling
Prevent tampering and unwanted changes to your temperature
A big bonus is that you don’t need to worry about losing the key

Best Feature: Easy To Install: Awelife Nest Thermostat Guard

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Next on the list, we've got yet another guard that manages to win our hearts. It's the awelife nest thermostat guard and it's widely considered as guard that has the most suitable features. The AweLife thermostat lock box helps you to control energy usage in commercial or household setting. It comes with a lock keyless and 3-digit changeable lock box. It can be used in restaurants, offices, churches, schools and industrial settings. You can use this for almost all thermostats and other controls.

This lock box for thermostat on the wall is made of poly carbonate plastic, which is protective and clear as seen. It is great to control a/c panel. It is very easy to set your own code without any tool.

Why We Like This:

Helps you to control energy usage in commercial or household setting
Prevent tampering and unwanted changes to your temperature from child, tenant, or the public
Good brand reputation