--- product_id: 172529642 title: "Honeywell Home THR840DEU DT2 Thermostat, White" brand: "honeywell home" price: "€ 137.65" currency: EUR in_stock: true reviews_count: 8 category: "Honeywell Home" url: https://www.desertcart.com.cy/products/172529642-honeywell-home-thr840deu-dt2-thermostat-white store_origin: CY region: Cyprus --- # Eco mode timer 1-24 hrs Extra-large high-contrast LED display 5°C-35°C precise temp range Honeywell Home THR840DEU DT2 Thermostat, White **Brand:** honeywell home **Price:** € 137.65 **Availability:** ✅ In Stock ## Summary > 🌿 Stay cool, save energy, and own your comfort effortlessly. ## Quick Answers - **What is this?** Honeywell Home THR840DEU DT2 Thermostat, White by honeywell home - **How much does it cost?** € 137.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/172529642-honeywell-home-thr840deu-dt2-thermostat-white) ## Best For - honeywell home enthusiasts ## Why This Product - Trusted honeywell home brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Energy Saver:** One-touch Eco button lets you cut energy use with customizable timed settings from 1 to 24 hours—perfect for busy pros who want control without hassle. - • **Effortless Usability:** Large, high-contrast LED display and intuitive interface mean zero learning curve—just plug in, mount, and enjoy seamless temperature management. - • **Sleek Minimalist Design:** Modern, slim profile in clean white complements any professional home or office décor, making your thermostat a subtle style statement. - • **Precision Climate Control:** Set your ideal temperature anywhere between 5°C and 35°C for tailored comfort that adapts to your lifestyle and work-from-home needs. - • **Installer-Friendly Customization:** Installer mode allows expert-level tweaks to perfectly match your heating or cooling system, ensuring optimal performance and efficiency. ## Overview The Honeywell Home THR840DEU DT2 is a wired digital thermostat featuring a wide 5°C to 35°C temperature range, an intuitive one-touch Eco mode with adjustable timer, and a large, easy-to-read LED display. Designed for simple installation and use, it offers installer customization and a sleek, minimalist design that fits any modern home or office environment. ## Description This digital thermostat offers precise 5-35°C control with intelligent self-learning and eco-mode for energy savings. The intuitive interface ensures easy operation. Review: Good Honeywell thermostat - Accurate and consistent performance. This thermostat comes with a good range of adjustable parameters for those who want to personalise their heating controls. Easy to install and attractive piece of kit. Review: Great - Easy to install, item as described. Easy to use, excellent value for money. Good quality for the price. Basic but does the job great and looks better than my previous thermostat. Would recommend ## Features - Digital wired on/off thermostat - Heating or cooling control capacity with 5°C to 35°C set point range, intelligent self-learning (TPI), and one-touch Eco button allows user to change to A lower, energy-saving set point for a timed period. When the Eco button is pressed, the user is given the chance to set the time required at this new temperature, from 1 hour to 24 hours in 1-hour increments - Installer mode allows the thermostat to be customised for the application and the needs of the user - Extra-large display and simple user interface, easy mounting and use (battery powered with batteries included) and simple battery change by Unclipping front cover - Efficient control, easy to use, no Learning curve/programming, large high contrast display with easy-to-read Characters, and modern minimalistic design with slim styling, suitable for any home décor ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07YPQRC4L | | Backlight | Yes | | Best Sellers Rank | 50,841 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,336 in Heating & Cooling | | Brand | Honeywell Home | | Brand Name | Honeywell Home | | Colour | Wired White | | Connectivity Protocol | BACnet MS/TP | | Connectivity Technology | Wi-Fi | | Control Method | Touch | | Control Type | Button Control | | Controller Type | Push Button | | Controller type | Push Button | | Customer Reviews | 4.1 out of 5 stars 1,137 Reviews | | Display Type | LCD | | Included Components | Inhalt: 1 Stück | | Item Dimensions D x W x H | 2.9D x 9W x 9.2H centimetres | | Item Shape | Rectangular | | Item Weight | 299 Grams | | Manufacturer | Honeywell Home | | Material Type | Plastic, Electronic Components | | Model Name | THR840DEU | | Model Number | THR840DEU | | Model name | THR840DEU | | Mounting Type | Wall Mount | | Number of Batteries | 1 Nonstandard Battery batteries required. (included) | | Power Source | Battery Powered | | Product Style | Wired | Basic | | Product dimensions | 2.9D x 9W x 9.2H centimetres | | Special Features | Heiz- oder Kühlsteuerleistung mit Sollwertbereich | | Special feature | Heiz- oder Kühlsteuerleistung mit Sollwertbereich | | Specific Uses For Product | Boiler | | Specification Met | energy | | Temperature Control Type | Learning | | Unit Count | 1.0 count | | Voltage | 230 Volts | ## Product Details - **Brand:** Honeywell Home - **Model name:** THR840DEU - **Product dimensions:** 2.9D x 9W x 9.2H centimetres - **Controller type:** Push Button - **Special feature:** Heiz- oder Kühlsteuerleistung mit Sollwertbereich - **Colour:** Wired White - **Specific uses for product:** Boiler - **Temperature Control Type:** Learning - **Connectivity technology:** Wi-Fi - **Included components:** Inhalt: 1 Stück ## Images ![Honeywell Home THR840DEU DT2 Thermostat, White - Image 1](https://m.media-amazon.com/images/I/51xY-MDtdXL.jpg) ## Available Options This product comes in different **Color, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good Honeywell thermostat *by C***0 on 14 November 2025* Accurate and consistent performance. This thermostat comes with a good range of adjustable parameters for those who want to personalise their heating controls. Easy to install and attractive piece of kit. ### ⭐⭐⭐⭐⭐ Great *by L***W on 11 February 2026* Easy to install, item as described. Easy to use, excellent value for money. Good quality for the price. Basic but does the job great and looks better than my previous thermostat. Would recommend ### ⭐⭐⭐⭐ A replacement fitted in less than five minutes. *by D***B on 24 December 2025* A direct swap for a failed unit, much cheaper than Screwfix plus next day delivery. Fitted in less than five minutes and working as it should. There is an updated version so probably in short supply ## Frequently Bought Together - Honeywell Home THR840DEU DT2 Thermostat, White - HONEYWELL ST9400C Thermostat Programmer. 7, 2-Channel, 3 on/Off per Day, 24 V, White, 1 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/172529642-honeywell-home-thr840deu-dt2-thermostat-white](https://www.desertcart.com.cy/products/172529642-honeywell-home-thr840deu-dt2-thermostat-white) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-04-26*