Top 10 Thermostat Lock Box – Home Thermostat Accessories

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1. Honeywell Home

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Honeywell Home Honeywell CG511A1000 Medium Inner Shelf to Prevent Tampering Thermostat Guard, White

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Honeywell Home #ad - Clear plastic cover that resists yellowing. The actual casing is chemical and UV resistant which allows users to deploy their cover all year round without the slightest concern.

Installation is nearly effortless. The guard will fit on all medium sized 6W x 5H x 1. 75d inches or smaller. Product size: WxHxD: 6. 5 x 7. 5 x 2. 93 inches. Protects unwanted changes to ac/heating preferred settings. Product dims: 6. 5h x 7. 5w x 3 d inches;. 8 lb, interior dims: 5H x 6W x 2. 75d inches. Includes universal key and heavy duty lock. Key lock with inner shelf to prevent tampering. Does not fit all thermostats.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height5.06 Inches
Length6.06 Inches
Weight0.5 Pounds
Width2.63 Inches
Part NumberCG511A1000/C
ModelCG511A1000
Warranty1 year product warranty.

2. Honeywell Home

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Honeywell Home CG510A1019/N Thermostat Guard

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Honeywell Home #ad - Clear plastic cover with built-in lock and a set of keys. Covers ct30, ct31 and ct33 models without the wall plate. Covers ct87 Round models. Fits the following Honeywell thermostats. Protects unwanted changes to AC/Heating preferred settings. Rth5100b see note above.
BrandHoneywell Home #ad
ManufacturerHoneywell International #ad
Height1.5 Inches
Length4.5 Inches
Width4.5 Inches
Part NumberCG510A1019/N
ModelCG510A1019/N
Warranty1 year limited warranty.

3. Honeywell Home

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Honeywell Home Honeywell CG512A1009 Large Thermostat Guard with Inner Shelf to Prevent Tampering, White

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Honeywell Home #ad - Key lock with inner shelf to prevent tampering. Protects unwanted changes to AC/Heating preferred settings. Clear plastic cover that resists yellowing; The Honeywell CG512A1009 Large Thermostat Guard provides the ideal defense in preventing others from tampering with your heating and cooling options. Fits all Honeywell and most other thermostats. Ultra clear acrylic resin cover and base resists the yellowing effects of chemicals and UV-light.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height7.25 Inches
Length3.38 Inches
Weight0.5 Pounds
Width9.75 Inches
Part NumberCG512A1009/C
ModelCG512A1009
Warranty1 year product warranty.

4. BISupply

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AC Thermostat Lock Box Cover Thermostat Guard with Lock – 6.6 x 5.9 x 3.4 Inch, BISupply AC Thermostat Cover with Lock

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BISupply #ad - Decrease your energy bill: the bisupply | small thermostat guard is an ac lockbox for thermostat control; Constructed of heavy-duty transparent plastic allows you to clearly see your thermostat while preventing anyone from tampering with your heating or air conditioning settings and protecting against unwanted changes to preferred settings in commercial and residential areas such as an office, restaurant, church, school, or home.

Fits your thermostat: fits over existing thermostats up to 5. 25” x 2. 75” x 4. 6” inch 13. 3cm x 7cm x 11. 7cm – this is the inside dimensions of the ac lock box cover; 2” x 1.

5” inch 5. 1cm x 3. 8cm irregular shaped backside hole for thermostat wires to wall; Measure your thermostat length by depth by height to ensure correct fitment; Open hinge allows cover to come apart into 2 separate pieces when opened; 6. 6” x 5. 9” x 3. 4” inch 16. 8cm x 15cm x 8. 6cm outside dimensions OD.
BrandBISupply #ad
ManufacturerBISupply #ad
Height7 Inches
Length5.9 Inches
Weight0.79 Pounds
Width3.4 Inches
Part Number0623
WarrantyThis product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.

5. Honeywell

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Honeywell Thermostat Guard Clear

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Honeywell #ad - Made in USA. Keyed Alike. Prevents tampering With Thermostats Resulting In Energy Savings. 9-3/4" wide, 7-1/8" high, 3-3/8" Deep. Clear, easy to Mount Thermostat Covers.
BrandHoneywell #ad
ManufacturerHoneywell #ad
Height11 Inches
Length7 Inches
Width12 Inches
Part NumberFBA_CG512A1009/C
ModelCG512A

6. BISupply

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BISupply AC Thermostat Cover with Lock, AC Thermostat Lock Box Cover Thermostat Guard with Lock – 5.1 x 4.8 x 2.8 Inch

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BISupply #ad - No temperature fluctuation: AC control cover is ventilated on all 4 sides to avoid interference with detection of current temperature by your thermostat. Decrease your energy bill: the bisupply | extra small thermostat guard is an ac lockbox for thermostat control; Constructed of heavy-duty transparent plastic allows you to clearly see your thermostat while preventing anyone from tampering with your heating or air conditioning settings and protecting against unwanted changes to preferred settings in commercial and residential areas such as an office, restaurant, school, church, or home.

Fits your thermostat: fits over existing thermostats up to 4.

5” x 4” x 2. 5” inch 11. 4cm x 102cm x 6. 4cm – this is the inside dimensions of the ac lock box cover; 1. 6” x 075” inch 4. 1cm x 1. 9cm irregular shaped backside hole for thermostat wires to wall; Measure your thermostat length by depth by height to ensure correct fitment; Open hinge allows cover to come apart into 2 separate pieces when opened; 5. 1” x 4. 8” x 2.
BrandBISupply #ad
ManufacturerBISupply #ad
Height5.4 Inches
Length4.9 Inches
Weight0.51 Pounds
Width2.9 Inches
Part Number0616
WarrantyThis product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.

7. BISupply

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AC Thermostat Lock Box Cover Thermostat Guard with Lock – 9.9 x 4.1 x 6.1 Inch, BISupply AC Thermostat Cover with Lock

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BISupply #ad - Fits your thermostat: fits over existing thermostats up to 8. 2” x 3. 5” x 4. 6” inch 208cm x 8. 8cm x 11. 8cm – this is the inside dimensions of the ac lock box cover; 1. 5” x 1. 25” inch 3. 8cm x 3. 2cm backside rectangular hole for thermostat wires to wall; Measure your thermostat length by depth by height to ensure correct fitment; Open hinge allows cover to come apart into 2 separate pieces when opened; 9.

9” x 4. 1” x 6. 1” inch 25. 2cm x 105cm x 15. 6cm outside dimensions OD. Easy to install: there are 2 separate parts – the back plate opaque piece mounts to the wall, only install clear cover and not back plate; Mounting screws included to affix to any surface; Phillips screwdriver required for installation, and the cover locks on the back plate; To install without removing thermostat from wall, your thermostat mounts on the back plate, not included. Decrease your energy bill: the bisupply | extra large thermostat guard is an ac lockbox for thermostat control; Constructed of heavy-duty transparent plastic allows you to clearly see your thermostat while preventing anyone from tampering with your heating or air conditioning settings and protecting against unwanted changes to preferred settings in commercial and residential areas such as an office, school, restaurant, church, or home.

Package contents: thermostat box cover package includes 1 locking cover for thermostat with base, 1 key, and 8 mounting screws for your convenience. No temperature fluctuation: AC control cover is ventilated on all 4 sides to avoid interference with detection of current temperature by your thermostat.
BrandBISupply #ad
ManufacturerBISupply #ad
Height9.9 Inches
Length6.2 Inches
Weight1.19 Pounds
Width4.25 Inches
Part Number0654
WarrantyThis product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.

8. Bramec Corporation

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Medium, With Lock & Key Metal Sentinel, Thermostat Guard, 6 x 3.1 x 3.8 inches

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Bramec Corporation #ad - Easy installation - Screws Included. Beige metal Thermostat Guard. Constructed of 20 gauge steel. Super strong and completely tamper proof. This guard has a permanently attached eight-tumbler type lock, and each kit is supplied with a key.
BrandBramec Corporation #ad
ManufacturerBramec #ad
Height3.81 Inches
Length6 Inches
Width3.12 Inches
Part Number13001

9. BISupply

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AC Thermostat Lock Box Cover Thermostat Guard with Lock, BISupply AC Thermostat Cover with Lock, 7.7 x 3.3 x 4.75 Inch

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BISupply #ad - Easy to install: there are 2 separate parts – the back plate opaque piece mounts to the wall, only install clear cover and not back plate; Mounting screws included to affix to any surface; Phillips screwdriver required for installation, and the cover locks on the back plate; To install without removing thermostat from wall, your thermostat mounts on the back plate, not included.

Fits your thermostat: fits over existing thermostats up to 6. 25” x 3. 7” x 2. 7” inch 15. 9cm x 9. 4cm x 6. 9cm – this is the inside dimensions of the ac lock box cover; 1. 6” x 1. 8” inch 4. 1cm x 4. 6cm irregular shaped backside hole for thermostat wires to wall; Measure your thermostat length by depth by height to ensure correct fitment; Open hinge allows cover to come apart into 2 separate pieces when opened; 7. 7” x 3. 3” 4. 75” inch 19. 6cm x 8.
BrandBISupply #ad
ManufacturerBISupply #ad
Height7.9 Inches
Length4.8 Inches
Weight0.35 Pounds
Width3.6 Inches
Part Number0630
WarrantyThis product has a manufacturer warranty against defects in materials and workmanship for a period of ONE (1) YEAR from the date of original retail purchase. See our Seller Return Policy for more details.

10. White-Rodgers

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Clear, Emerson G10 Universal Locking Thermostat Guard

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White-Rodgers #ad - Clear Plastic. Made of plastic material. To prevent adjustment of the temperature by unauthorized personnel. Thermostat guards are designed for use in offices, churches, restaurants and other public areas. Available in clear color. Lock and key. Maximum thermostat dimensions 3 1/4" d x 3 1/2" h x 6 3/8" l.
BrandWhite-Rodgers #ad
ManufacturerWhite-Rodgers #ad
Height4 Inches
Length7 Inches
Weight0.8 Pounds
Width4 Inches
Part NumberG10
ModelG10