The 8 Best extra Large Thermostat guards (2023 reviews)

Next on the list, we've got yet another guard that manages to win our hearts. It's the honeywell extra large thermostat guard and it's widely considered as one of the best convenient guard you can buy. The design of the box is such that the interior dimensions of the rear section just barely fit around the sides of the thermostat, which is a very peculiar contrast to the overall size. It is also very firm and easy to unlock and lock. It is good for keeping the kids from changing the upstairs thermostat.

The Install Cover includes a lock and key for complete control, as well as air vents for optimum thermostat performance. The Guard is easy to install. It mounts easy and locks works great.

Why We Like This:

Looks great and was very easy to installed within 5 minutes
Easy to install,great defense against people playing with thermostat
Good investment for long term

Honeywell complete Control

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Honeywell has been making great guard for years, thanks to a combination of clever design and appropriate materials. It is perfect for round or smaller thermostats. It is ideal for use in a commercial or residential environment. This size will cover a thermostat smaller than a light switch cover if you are ordering. It comes with a built-in lock and a set of keys. The install cover includes a lock and key for complete control, as well as air vents for optimum thermostat performance.

This item comes with a key and mounting hardware. It is easy to install and comes with 2 keys.

Why We Like This:

Perfect for rental units and offices
Simple and effective way to keep thermostat working at peak performance
Super easy to install, durable, perfect size
Saves electricity, keeps people from touching the thermostat

Statguardplus extra Large Thermostat Guard

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If you often find yourself scrambling for convenient and suitable guard, statguardplus extra large thermostat guard should be your first option for buying. It is made of high-quality polycarbonate plastic. 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. It is easy to install and change lock combo number. It can help to control the energy usage.

This box will keep your desired temperature settings on your thermostat away from nosy fingers who would like to change it. It is also resistant to any stains or yellow tinting that you may see with other plastic covers. It is easy to read and use the large digits. The material is also resistant to any stains or yellow tinting that you may see with other plastic covers.

Why We Like This:

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

Pulryo lock box

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Not everyone likes to purchase guard for their daily purpose, but the pulryo lock box would be an anomoly. The Open thermostat guard allows installation without removing the thermostat from the wall, just line up over your existing thermostat and install and done. It's quite large/wide, so it should fit just about any thermostat. It's perfect for any commercial application including air bnb's. It is made of a clear acrylic sheet, which can effectively prevent yellowing, and chemical and uv resistance, always keep clean and beautiful, and has a long service life.

The latching mechanism can be popped open easily. It's really easy to change the combination. The size is perfect and the lock works great. It is easy to use and keeps the kids out.

Why We Like This:

Has a combination lock so you don't have to keep track of a key
Great way to keep your kids away
Great way to keep people from messing with the thermostat

Lux extra Large Thermostat Guard

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The lux extra large thermostat guard's material feels more premium than its price would suggest. This Lux large sized locking guard will provide the protection for thermostats. It will cover a std sized outlet. There is a bracket that screws into the wall and the cover locks onto this bracket. It will help limit unwanted access and eliminate accidental fluctuations when someone bumps into the thermostat. It comes with one key for the lock.

This one is installed properly with the locking mechanism to the left. It will give you the assurance of a constant temperature or if you have the need to deter tampering with settings. It is great for elders that need heat or air condition, so they can't turn it off.

Why We Like This:

Fits any size thermostat and easy to install
Definitely works and not much assembly is needed
Good brand reputation

Awelife extra Large Thermostat Guard

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We would, of course, be remiss if we didn't mention awelife extra large thermostat guard for regular usage. The AweLife thermostat lock box helps you to control energy usage in commercial or household setting. It comes with a keyless and 3-digit changeable lock box. It can be used in restaurants, offices, churches, schools and industrial settings.

This lock box for the 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. You can use this for almost all thermostats and other controls.

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
Lot of satisfied buyers

Pulryo extra Large Thermostat Guard

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The pulryo extra large thermostat guard should be able to handle its purpose and duties with ease. This thermostat cover can be used in restaurants, offices, churches, schools, and industrial settings. It comes with combination lock additionally this thermostat cover can be used in restaurants, offices, churches, schools, and industrial settings. It is made of a clear acrylic sheet, which can effectively prevent yellowing, and chemical and uv resistance, always keep clean and beautiful, and has a long service life.

Why We Like This:

Thermostat protection box with combination lock
Easy to put on and set code love it
Good investment for long term

Statguardplus Thermostat Cover

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The statguardplus thermostat cover's high-end materials makes sure that it ages well with use. The thermostat lock box is exactly what it sounds like. It protects your thermostat and control your budget but also ensures a comfortable temperature for all involved. It is a changeable 3 digit lock. It fits any thermostat up to 7.25” width x 4.74” height x 2.25” depth. It is easy to read and use the large digits. It comes with a wall-cover for a clean look.

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. It can be used in restaurants, offices, churches, schools and industrial settings.

Why We Like This:

Prevent tampering and unwanted changes to your temperature
A big bonus is that you don’t need to worry about losing the key
Delivers what they promise