---
product_id: 654158378
title: "Thermostat Lock Box Square - 5 x 5 Thermostat Cover With Lock, No Screws Thermostat LockBox with Key, Clear AC Thermostat Box Cover, Small Acrylic Lock Box For Thermostat on Wall (5x5x2)"
brand: "upifen"
price: "€ 34.15"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/654158378-thermostat-lock-box-square-5-x-5-thermostat-cover-lock
store_origin: NL
region: Netherlands
---

# Secure key lock system Durable clear acrylic build No-screw, nano-adhesive install Thermostat Lock Box Square - 5 x 5 Thermostat Cover With Lock, No Screws Thermostat LockBox with Key, Clear AC Thermostat Box Cover, Small Acrylic Lock Box For Thermostat on Wall (5x5x2)

**Brand:** upifen
**Price:** € 34.15
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in comfort, unlock savings — the smart shield your thermostat deserves!

## Quick Answers

- **What is this?** Thermostat Lock Box Square - 5 x 5 Thermostat Cover With Lock, No Screws Thermostat LockBox with Key, Clear AC Thermostat Box Cover, Small Acrylic Lock Box For Thermostat on Wall (5x5x2) by upifen
- **How much does it cost?** € 34.15 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/654158378-thermostat-lock-box-square-5-x-5-thermostat-cover-lock)

## Best For

- upifen enthusiasts

## Why This Product

- Trusted upifen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** No screws needed—install with nano adhesive or optional drilling without removing your thermostat.
- • **Compact Yet Spacious:** Fits thermostats up to 5x5x2 inches, blending sleekly into your modern workspace or home.
- • **Crystal Clear Control:** Premium transparent acrylic keeps your thermostat visible and stylish without yellowing over time.
- • **One Key to Rule Them All:** Universal keys let you manage multiple lockboxes with a single key—perfect for offices or multi-room setups.
- • **Lock It Down, Stress-Free:** Universal key lock prevents unauthorized thermostat tampering, saving energy and costs.

## Overview

The Upifen Thermostat Lock Box Square (5x5x2) is a durable, clear acrylic cover designed to protect small AC thermostats from tampering. Featuring a secure key lock system with universal keys, it prevents unauthorized adjustments, helping reduce energy waste. Installation is flexible with no-screw nano adhesive or optional drilling, and its transparent design ensures your thermostat remains fully visible and stylish. Ideal for homes and offices seeking smart, sleek thermostat security.

## Description

Thermostat Lock Box Square - 5 x 5 Thermostat Cover With Lock, No Screws Thermostat LockBox with Key, Clear AC Thermostat Box Cover, Small Acrylic Lock Box For Thermostat on Wall (5x5x2)

## Features

- Square Thermostat Cover 5 Inch: This thermostat lock box especially suitable for small round and square ac thermostats up to 5''Wx5''Hx2''D in size. ~ Please double check your ac thermostats dimensions before purchasing~
- Thermostat Guard with Key: One thermostat security cover is equipped with 2 keys, which can effectively prevent your thermostat data from being tampered by children/visitors or employees/colleagues, saving your electricity bill and maintaining your living comfort
- Better Acrylic Material: Our acrylic thermostat lock boxes has no color, is more transparent and stronger, showing the quality of your life than ordinary plastic boxes. It will not change color and yellow, long-term use can also keep the interior clearly visible
- No-Screw Installation: Our locking thermostat cover with key on set provides two installation methods, A-Stick directly on the clean and smooth wall with nano glue, B- Drill holes for installation. And you don't need removing the thermostat from the wall
- Easily Lock Multiple Thermostat Protective Cover: The keys for this thermostat lockbox are universal. Each lockbox comes with 2 keys. If you purchase 10 lockboxes, you only need 1 key to open all 10 boxes on this model, without the need to match specific keys to each lockbox. Perfect for multiple rooms and bulk purchase
- Internal Space (usable area): 5"H x 5" W x 2" D – Fits thermostats up to 5x5x2 inches (square-shaped)
- External Size (overall dimensions): 5.82"H x 6.61" W x 2.4" D – Rectangle shape due to reinforced acrylic thickness and keyhole design.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Upifen |
| Product Dimensions | 2.4"D x 6.61"W x 5.82"H |
| Lock Type | Key |
| Material | Acrylic |
| Mounting Type | Wall Mount |
| Control Type | Key Control |
| Included Components | thermostat lockbox *1, keys*2, Nano adhesive tape*1, Screws, Expansion screw caps |
| Chamber Depth | 2 Inches |
| Chamber Height | 5 Inches |
| Chamber Width | 5 Inches |
| UPC | 797999156169 |
| Global Trade Identification Number | 00797999156169 |
| Manufacturer | Upifen |
| Part Number | HWQH-ZFX-NEWp |
| Item Weight | 11.7 ounces |
| Item model number | TMST2024-ZFX |
| Style | Square-5x5x2 |
| Shape | Square |
| Thickness | 2 Inches |
| Item Package Quantity | 1 |
| Batteries Required? | No |

## Product Details

- **Brand:** Upifen
- **Product Dimensions:** 2.4"D x 6.61"W x 5.82"H
- **Lock Type:** Key
- **Material:** Acrylic
- **Mounting Type:** Wall Mount
- **Control Type:** Key Control
- **Included Components:** thermostat lockbox *1, keys*2, Nano adhesive tape*1, Screws, Expansion screw caps
- **Chamber Depth:** 2 Inches
- **Chamber Height:** 5 Inches
- **Chamber Width:** 5 Inches

## Images

![Thermostat Lock Box Square - 5 x 5 Thermostat Cover With Lock, No Screws Thermostat LockBox with Key, Clear AC Thermostat Box Cover, Small Acrylic Lock Box For Thermostat on Wall (5x5x2) - Image 1](https://m.media-amazon.com/images/I/71wD3MXQXIL.jpg)

## Questions & Answers

**Q: Is this product square?**
A: The usable space for this product is 5Hx5Wx2D inches (close to a square), but because space is needed for the shell and keys, the overall shape is more rectangle.

**Q: Is this thermostat cover difficult to install? How can I install it if I don't have a drill?**
A: We offer 2 installation methods: 1) Use super-sticky nano glue to attach the thermostat box directly to the wall, or 2) Install by drilling. These options are ideal for renters, those avoiding wall damage, or anyone without power tools.

**Q: What is the matrtial? Is it Plastic?**
A: No, This ac thermostat locxbox is made of Acrylic！Acrylic is thicker, clearer, stronger, more durable, more resistant to scratches and scuffs, and better UV Resistance than regular plastic.

**Q: How do I know if this cover box will fit my thermostat?**
A: Your thermostat size should be within 5x5x2 inches(WidthxHeightxDepth/Thickness). The most round/square thermostats on the market are suitable (including Google Nest thermostat, Amazon Smart thermostat, ecobee thermostat, Honeywell thermostat).

**Q: What does a universal key mean?**
A: The keys for this square thermostat lock box are interchangeable. For example, if you purchase 10 lock boxes, you will receive 10 boxes and 20 keys (2 keys per box). But one of the keys can open all the 10 boxes. （Keys fit only this lock box model.）

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-23*