Top 10 Thermostat Covers with Lock – 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. Includes universal key and heavy duty lock. Protects unwanted changes to ac/heating preferred settings.

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. Product size: WxHxD: 6. 5 x 7. 5 x 2. 93 inches. Key lock with inner shelf to prevent tampering. Does not fit all thermostats. Product dims: 6. 5h x 7. 5w x 3 d inches;. 8 lb, interior dims: 5H x 6W x 2. 75d inches. The guard will fit on all medium sized 6W x 5H x 1. 75d inches or smaller.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height5.06 Inches
Length6.06 Inches
Weight1 Pounds
Width2.63 Inches
Part NumberCG511A1000/C
ModelCG511A1000
Warranty1 year product warranty.

2. 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. Ultra clear acrylic resin cover and base resists the yellowing effects of chemicals and UV-light. Fits all Honeywell and most other thermostats. 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.
BrandHoneywell Home #ad
ManufacturerHoneywell #ad
Height7.25 Inches
Length3.38 Inches
Weight3.4 Pounds
Width9.75 Inches
Part NumberCG512A1009/C
ModelCG512A1009
Warranty1 year product warranty.

3. Honeywell Home

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Honeywell Home CG510A1019/N Thermostat Guard

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Honeywell Home #ad - 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. Clear plastic cover with built-in lock and a set of keys. 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.

4. Oneywell

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Honeywell CG511A1000 Clear Locking Thermostat Cover Guard, Quantity 4

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Oneywell #ad - Fits many Replacement Thermostats. 6-1/2 high, 7-1/2" wide, 2-15/16" Deep. Quantity of 4: thermostat cover, Allows Secure Protection of Thermostats in Public or Restricted Access Areas. With integrated metal keyed lock. Made in USA.
BrandOneywell #ad
ManufacturerHoneywell #ad
Part NumberCG511A1000
ModelCG511A1000

5. 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 - No temperature fluctuation: AC control cover is ventilated on all 4 sides to avoid interference with detection of current temperature by your thermostat. Easy to install: there are 2 separate parts – the back plate opaque piece mounts to the wall, your thermostat mounts on the back plate, and the cover locks on the back plate; To install without removing thermostat from wall, only install clear cover and not back plate; Mounting screws included to affix to any surface; Phillips screwdriver required for installation, not included.

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.
BrandBISupply #ad
ManufacturerBISupply #ad
Height7 Inches
Length5.9 Inches
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.

6. Braeburn

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BRAEBURN 5970 Universal Thermostat Guard with Keyed Lock

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Braeburn #ad - One thermostat guard replaces them all, see back for competitive models. Strong durable clear plastic protects against damage to thermostat. For new and existing thermostat applications. Slim contemporary style, two keys included. Tamper resistant design prevents unauthorized adjustment of thermostat settings.
BrandBraeburn #ad
ManufacturerBraeburn #ad
Height8.4 Inches
Length6.9 Inches
Weight1 Pounds
Width2.9 Inches
Part Number5970
Model5970

7. 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, your thermostat mounts on the back plate, and the cover locks on the back plate; To install without removing thermostat from wall, only install clear cover and not back plate; Mounting screws included to affix to any surface; Phillips screwdriver required for installation, not included.

Decrease your energy bill: the bisupply | medium 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 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.
BrandBISupply #ad
ManufacturerBISupply #ad
Height7.9 Inches
Length4.8 Inches
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.

8. BISupply

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

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

Package contents: thermostat box cover package includes 1 locking cover for thermostat with base, 1 key, and 8 mounting screws for your convenience. 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, church, school, restaurant, or home.

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.
BrandBISupply #ad
ManufacturerBISupply #ad
Height9.9 Inches
Length6.2 Inches
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.

9. LUX

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Lux A772001T-005 BB2001-005 Medium Locking Thermostat

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LUX #ad - One key and mounting screws included. Larger guard available See Model BB3001. Limits unwanted access; Tamper resistant, strong durable plastic. Medium size – external dimensions 6. 5w x 5. 875h x 3. 25d. Fits thermostats no larger than 5. 25w x 4. 50h x 3. 0d.
BrandLUX #ad
ManufacturerLux #ad
Height4.1 Inches
Length8 Inches
Weight1 Pounds
Width6.1 Inches
Part NumberBB2001-005
ModelA772001T-005

10. BISupply

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

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BISupply #ad - 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, school, restaurant, church, or home.

Easy to install: there are 2 separate parts – the back plate opaque piece mounts to the wall, your thermostat mounts on the back plate, 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, not included.

No temperature fluctuation: AC control cover is ventilated on all 4 sides to avoid interference with detection of current temperature by your thermostat. Package contents: thermostat box cover package includes 1 locking cover for thermostat with base, 1 key, and 8 mounting screws for your convenience. Fits your thermostat: fits over existing thermostats up to 4. 5” x 4” x 2. 5” inch 11. 4cm x 102cm x 6.
BrandBISupply #ad
ManufacturerBISupply #ad
Height5.4 Inches
Length4.9 Inches
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.