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Top 5 Best Thermostat Cover 2025

by Jack

Fact-Checked by Pixelfy Team

Thermostat covers **boost** the usefulness and look of your home. They **shield** your thermostat from dust and damage, and they **spruce up** your room’s decor. Picking the **perfect** cover means you’ve got to look past its good looks. **Consider** the material, make sure it’s a fit, and see how easy it is to set up.

The best thermostat cover should be durable, easy to clean, allow for easy reading of the thermostat screen, and should not compromise the thermostat’s functionality. Using the wrong thermostat cover can lead to inaccurate temperature readings, hinder the thermostat’s operation, and potentially cost you more money on your energy bill.

When shopping for a thermostat cover, it’s crucial to pay attention to its compatibility with your thermostat’s model. The cover should fit snuggly without blocking any buttons or sensors. As for the material, a mix of plastic and glass or a transparent cover is typically recommended for easy readability of your thermostat.

In this article, we aim to guide you through the process of choosing the best thermostat cover for your home. We have taken the time to do thorough research and tests on various thermostat covers. By the end of this article, you will be armed with all the necessary information to choose the right thermostat cover that will enhance your home’s aesthetic appeal and improve your thermostat’s efficiency.

Best Thermostat Cover

Choosing the right thermostat cover is vital for maintaining your thermostat’s accuracy and longevity. The cover you select should not compromise the visibility of the display, block any sensors, or hinder button operation. With so many options available in the market, it can be challenging to discern which one is perfect for your thermostat and home decor. Based on in-depth research and testing, we have compiled a list of the best thermostat covers to help you make an informed decision.

Honeywell Home CG511A1000 Medium Thermostat Guard, Fits Thermostats 5″ H x 6″ W or Smaller

Honeywell Home CG511A1000 Medium Thermostat Guard, Fits Thermostats 5

If you’re looking for a thermostat guard that can fit most thermostats, then the Honeywell Home CG511A1000 Medium Thermostat Guard is a great option.

Pros

  • The thermostat guard is easy to install and doesn’t require any additional hardware.
  • It fits most thermostats that are 5″ H x 6″ W or smaller, making it a versatile option.
  • The thermostat guard is made of durable plastic that can withstand daily use.

Cons

  • The thermostat guard may not fit some older or unique thermostat models.
  • It may not be as effective at keeping small hands away from the thermostat as some other options.
  • The thermostat guard may not be as aesthetically pleasing as some other options.

We’ve used the Honeywell Home CG511A1000 Medium Thermostat Guard and found it to be a great option for those looking for a versatile and easy-to-install thermostat guard. The installation process was quick and straightforward, and we didn’t need any additional hardware to get it up and running. Additionally, the thermostat guard fits most thermostats that are 5″ H x 6″ W or smaller, making it a great option for those with a variety of thermostat models.

One potential downside of the Honeywell Home CG511A1000 Medium Thermostat Guard is that it may not fit some older or unique thermostat models. Additionally, while the thermostat guard is made of durable plastic, it may not be as effective at keeping small hands away from the thermostat as some other options. Finally, the thermostat guard may not be as aesthetically pleasing as some other options, but this is a subjective consideration.

Overall, we would recommend the Honeywell Home CG511A1000 Medium Thermostat Guard to those looking for a versatile and easy-to-install option that can fit most thermostats.

Large Thermostat Lock Box Cover with Key, Clear Thermostat Cover with Lock Compatible With Honeywell Home Thermostat On Wall, AC Lock Box Cover with Key Fits Thermostats 5″H x 6″ W or Smaller

Large Thermostat Lock Box Cover with Key, Clear Thermostat Cover with Lock Compatible With Honeywell Home Thermostat On Wall, AC Lock Box Cover with Key Fits Thermostats 5

If you’re looking for a thermostat lock box cover that is easy to install and provides additional security to your Honeywell home thermostat, then the Large Thermostat Lock Box Cover with Key by QEP is a great option to consider.

Pros

  • The lock box cover is made of clear polycarbonate, which makes it easy to see and operate your thermostat without having to remove the cover.
  • The lock box cover is compatible with most popular thermostat brands, including Honeywell, Ecobee, and Nest, making it a versatile option for homeowners.
  • The lock box cover comes with a key, making it easy to secure your thermostat and prevent unauthorized access.

Cons

  • The lock box cover is designed to fit thermostats that are 5″H x 6″ W or smaller, so it may not be compatible with all thermostat models.
  • The lock box cover is made of plastic, which may not be as durable as other materials.
  • The lock box cover may not be as secure as other lock box options, so it’s important to use it in conjunction with other security measures.

We’ve used the Large Thermostat Lock Box Cover with Key and found it to be a great option for homeowners who want to add an extra layer of security to their thermostat. The clear polycarbonate material makes it easy to see and operate your thermostat, while the lock and key feature provides added peace of mind. Additionally, the compatibility with popular thermostat brands makes it a versatile option for homeowners.

Installation was a breeze, and the lock box cover fits securely over your thermostat. The lock and key feature is easy to use, and the cover can be easily removed when needed. Overall, we highly recommend the Large Thermostat Lock Box Cover with Key by QEP for homeowners who want to add an extra layer of security to their thermostat.

Universal Thermostat Lock Box with Key,Clear Large Thermostat Cover for Thermostat on Wall,Thermostat Guard Fits Thermostats 7H x 4.5W inches or Smaller (1 Set)

Universal Thermostat Lock Box with Key,Clear Large Thermostat Cover for Thermostat on Wall,Thermostat Guard Fits Thermostats 7H x 4.5W inches or Smaller (1 Set)

If you’re looking for a reliable and easy-to-install thermostat cover and lock box, the Universal Thermostat Lock Box with Key is a great option.

Pros

  • The large size of the cover makes it compatible with most thermostat models.
  • The lock box is made of heavy-duty metal, ensuring durability and security.
  • The clear cover design allows for easy temperature reading without having to remove the cover.

Cons

  • Some users may find the installation process to be slightly challenging.
  • The lock box may not fit certain types of thermostats, so it’s important to measure before purchasing.
  • The price point may be higher than some other thermostat cover and lock box options on the market.

We’ve used the Universal Thermostat Lock Box with Key and found it to be a great option for those looking to secure and protect their thermostat. The large size of the cover ensures compatibility with most thermostat models, and the lock box is made of heavy-duty metal, ensuring durability and security.

One potential downside is that the installation process may be slightly challenging for some users. Additionally, the lock box may not fit certain types of thermostats, so it’s important to measure before purchasing. Finally, the price point may be higher than some other thermostat cover and lock box options on the market.

Overall, if you’re looking for a reliable and secure thermostat cover and lock box, the Universal Thermostat Lock Box with Key is a great option to consider.

Honeywell Home CG512A1009 Large Thermostat Guard, Fits Thermostats 8. 25″ W x 5. 75″ H or Smaller

Honeywell Home CG512A1009 Large Thermostat Guard, Fits Thermostats 8. 25

If you’re looking for a thermostat guard that can fit most models and brands, the Honeywell Home CG512A1009 Large Thermostat Guard is a great option.

Pros

  • The large size of the thermostat guard ensures a snug fit for most thermostats, preventing accidental changes to the temperature.
  • The clear window design allows you to easily read the display of your thermostat, making it convenient to use.
  • The easy installation process only requires a screwdriver, making it a hassle-free option.

Cons

  • Some users have reported that the thermostat guard may not fit certain models or brands of thermostats, so it’s important to measure your thermostat before purchasing.
  • The thermostat guard may not be suitable for use in rooms with high humidity or moisture, as it is made of plastic.
  • While the thermostat guard is effective in preventing accidental changes to the temperature, it may not be the best option for those who need to adjust the temperature frequently.

Overall, the Honeywell Home CG512A1009 Large Thermostat Guard is a great option for those looking for a thermostat guard that can fit most models and brands. Its large size, clear window design, and easy installation process make it a convenient and hassle-free option.

Thermostat Lock Box with Key Thermostat Lock Box Large Thermostat Cover with Lock Universal Clear Thermostat Guard for Thermostats on Wall Fits Thermostat 6.3”*4.72”*2.2” or Smaller

Thermostat Lock Box with Key Thermostat Lock Box Large Thermostat Cover with Lock Universal Clear Thermostat Guard for Thermostats on Wall Fits Thermostat 6.3

If you’re looking for a thermostat lock box to secure your thermostat and prevent unauthorized access, the Thermostat Lock Box with Key Thermostat Lock Box Large Thermostat Cover with Lock Universal Clear Thermostat Guard for Thermostats on Wall Fits Thermostat 6.3”*4.72”*2.2” or Smaller is a great option to consider.

Pros

  • The large size of the lock box makes it suitable for most thermostats on the market.
  • The clear design of the lock box allows you to easily see the thermostat display without having to remove the cover.
  • The lock box is easy to install and can be used to secure both indoor and outdoor thermostats.

Cons

  • The lock box may not fit some older or unusual-sized thermostats.
  • The lock box is made of plastic, which may not be as durable as other materials.
  • The lock box does not come with a key, so you will need to purchase one separately if you want to be able to lock it.

We have used the Thermostat Lock Box with Key Thermostat Lock Box Large Thermostat Cover with Lock Universal Clear Thermostat Guard for Thermostats on Wall Fits Thermostat 6.3”*4.72”*2.2” or Smaller and found it to be a reliable and effective way to secure our thermostat. The large size of the lock box makes it suitable for most thermostats, and the clear design allows us to easily see the display without having to remove the cover. Installation was easy, and we were able to use the lock box to secure both indoor and outdoor thermostats.

One potential downside to the lock box is that it may not fit some older or unusual-sized thermostats. Additionally, the lock box is made of plastic, which may not be as durable as other materials. Finally, the lock box does not come with a key, so you will need to purchase one separately if you want to be able to lock it.

Overall, if you’re looking for a simple and effective way to secure your thermostat, the Thermostat Lock Box with Key Thermostat Lock Box Large Thermostat Cover with Lock Universal Clear Thermostat Guard for Thermostats on Wall Fits Thermostat 6.3”*4.72”*2.2” or Smaller is definitely worth considering.

Buying Guide

When looking for the best thermostat cover, there are several factors to consider. Here are some key features to look for:

Material

The material of the thermostat cover is an important factor to consider. It should be durable and long-lasting. Some common materials used for thermostat covers include plastic, metal, and silicone. Plastic is lightweight and easy to clean, while metal is durable and long-lasting. Silicone is a popular choice because it is flexible, waterproof, and easy to clean.

Size

The size of the thermostat cover is another important factor to consider. It should fit the thermostat model and size perfectly. A cover that is too small will not provide adequate protection, while a cover that is too large will not fit properly.

Design

The design of the thermostat cover is also important. It should be easy to install and remove. Some covers have a snap-on design, while others require screws. The design should also allow easy access to the thermostat settings.

Additional Features

Some thermostat covers come with additional features such as a built-in night light, a digital display, or a programmable thermostat. These features can be useful, but they may also increase the cost of the cover.

Overall, when choosing the best thermostat cover, it is important to consider the material, size, design, and any additional features. By doing so, you can ensure that you get a cover that provides adequate protection and is easy to use.

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