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TTW018H Through the Wall Wine Cellar Cooling Unit with Heater – 60Hz
This through-the-wall wine air conditioning unit with a heater is ideal for smaller residential wine cellars. Our product advisor tool can help you decide if a TTW018H is fitting for your wine storage application. The TTW018H is easy to install and can be installed on your own without the support of a contractor. The max capacity of the TTW018H unit is 1,755 BTU/h (0.51 Kilowatts).
The Wine Guardian heater option acts to warm the air entering the wine cellar in order to maintain a constant set point.
The electric heat option includes the following:
-500-watt integral heater
-Thermal overload protection device and controls
The Wine Guardian through-the-wall unit with a heater will either cool or heat the air, but it is not designed to do both at the same time. The Wine Guardian electric heat option must be specified at the time of order and is installed at our factory prior to shipment.
If your wine cellar features one or more glass walls and you are close to the maximum recommended BTU/h, consider purchasing the D025 with heater. Always run complete heat load calculations before purchasing a wine cellar air conditioning unit.

Wine Guardian Through-the-Wall
Discover the excellence of Wine Guardian’s patented Through-the-Wall (TTW) wine cellar cooling units, designed to transform your wine storage experience. These state-of-the-art systems provide superior airflow, efficiently circulating cool air throughout your cellar, while maintaining an ideal temperature range. With precise control over the environment, you can ensure that every bottle reaches its full flavor potential, allowing you to fully indulge in the rich aromas and complexities of your favorite wines.
Specifications & Resources
Educate yourself on through the wall cooling systems to make an informed decision. Find out how this solution can benefit you.
Specs & Features
Wine is your passion, and safeguarding it is our mission. The Wine Guardian through-the-wall (TTW) wine cellar cooling unit combines sleek design with functionality, enhancing both modern and traditional cellar aesthetics. This cutting-edge system expertly maintains the ideal long-term storage temperatures, ensuring your small to mid-sized wine collection stays in perfect condition.
The TTW can control a broad range of wine storage conditions between 55°F(13°C) to 58°F(14°C).
An optional freestanding humidifier can be installed to achieve 55 to 65% relative humidity.
FULLY SELF-CONTAINED
The TTW is a fully self-contained system. No licensed contractor is needed to install the unit in a wine space.
DURABLE DESIGN
Commercial-grade, corrosion resistant component and an all-aluminum frame keep the TTW unit looking good as it ages alongside your wine collection.
TOUCHSCREEN CONTROL
Wine Guardianʼs modern controller is conveniently located at the face of the unit for easy control and monitoring of the cellarʼs temperature and humidity conditions.
DIY INSTALL: The TTWʼs EasyMount™ one-piece wall bracket was designed for the do-it-yourselfer. Just install the sleeve and insert the TTW into your cellar wall, make your drain connection, and plug it in. Itʼs really that simple to get set up and start protecting your wine.
STRONG DESIGN: All Wine Guardian systems feature coated evaporator coils to ensure product durability over long periods of time.
FULLY SERVICEABLE: Unlike Wine Guardianʼs competitors, all of our units are completely serviceable in field without needing to be returned to factory.
REMOTE SENSORS: These systems use Wine Guardianʼs own remote interface controller to constantly monitor the temperature and humidity conditions of a space. The controller will tell the system if the wine cellar is out of optimal range and will adjust conditions before the wine is affected.
DIGITAL CONTROLS: An additional controller and up to 3 remote sensors can be connected wirelessly for accurate measurement and control when the controller is placed outside of the wine space.
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Testimonials
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