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Wine cellars should be located in a cool, dry place, away from natural light, with no vibrations, no unpleasant odors, and at a manageable temperature in order to preserve your valuable wine collections. And do you know where all of these can be found? The Basement.
The basement is the best choice since it’s easier to keep a stable wine cellar temperature and humidity, as well as being insulated from other wine-damaging elements such as direct light and vibrations.
Did you know that most DIY wine cellars and home wine cellars are found in basements? That’s because subterranean spaces are generally the easiest to wine cellar temperature control, also in terms of wine cellar cooling and humidity, heat, and light.
So if you have an extra space or spare room in your basement that you're planning to construct or renovate a wine cellar in houses, that's excellent! We've laid out a step-by-step guide below to get you started on building a wine cellar in your basement.
Before you start building a wine cellar in your basement, you have to meet certain conditions for proper wine storage. Missing any of these factors may compromise the quality of your wine.
First and foremost, it’s so important to understand how temperature affects wine. The ideal temperature should be between 45ºF to 65ºF with 55ºF being the best.
Many factors can influence temperature change, therefore the setup must be accurate. That being said, when working on basement finishing, consult with an expert to determine the best solutions for maintaining a consistent temperature.
Yes. Temperature fluctuations may occur inside the basement, having a substantial impact on the quality of the wine. You will need a wine cellar cooling system for wine room temperature control and wine storage humidity control.
Installing wine storage units or wine cellar refrigeration units, commonly known as Wine Cellar Cooling Units, in your basement is how to keep the wine cellar cool.
Humidity also has an impact on wine in several ways. Wine cellar humidity levels should be between 50% and 70%. If it exceeds 70%, mold will grow on the labels and glue, and some degradation may occur. If the humidity falls below 50%, the cork will dry up, harming the quality of the wine.
The next requirement is that the lighting in the basement should not be too bright. Wine should be stored in a dark place because direct sunlight, UV light, and intense lighting can hasten the aging process. Most basements are naturally dark and cool, making them perfect for wine storage.
Proper lighting will be explained later in this article.
Furthermore, any vibrations may alter the composition of the liquid contained within wine bottles. Wine must be perfectly still until they are ready to serve. Never place a wine cellar near large machines or equipment that causes vibration or vibration-producing rooms.
Wine bottles should be placed horizontally, at a 45º angle with the cork facing down, or anywhere in the middle. This prevents the cork from drying and ensures that no air enters the bottle by keeping the wine in continual contact with the cork.
Using the proper wine racks is the solution. The golden rule is that once a bottle is placed in the rack, it should not be moved and it is better not to even touch it.
Before you grab your tools and begin working on the basement, there are a few things you need to check first:
Examine the basement thoroughly for air, water, and light leaks that could potentially harm your wine collection. The first step in building a wine cellar in your basement is to remove any moisture. The goal is to build a properly sealed wine cellar.
When evaluating the space, ensure that the ceiling has at least R-19 insulation and that the concrete floor and concrete foundation walls are sealed. Because moisture can easily penetrate through concrete, you must seal it with a concrete sealant. Similarly, if you have floor tiles, the grout must also be sealed.
If you haven’t done it yet, you must stud the space first before you begin framing.
You can insulate and build your wine cellar walls using 2x4 or 2x6 studs. A good choice for insulation is R-19. However, you must need at least R-30 for the ceiling.
Make sure the lighting in the soffit is far away from the final racking or ducting depth, including the crown molding depth when installing a soffit to hide the ductwork, pipes, or other obstructions. Make sure you know all the measurements: depth of your racking, crown molding, and ring size of your wine cellar's light fixture.
As a general rule, a 1-inch gap between the front of the crown molding and the edge of your lighting. You can insulate the area around them with IC can lights.
You might be asking, how to install a wine cellar cooling unit? It depends on the type of wine cooling system you have. Continue reading to learn about each type of installation.
A ductwork and line set will be required if you're installing a ducted wine cellar cooling unit in your basement wine cellar. The air handler needs to be placed in a separate room such as a mechanical or utility room, and the ducting will be installed in the wine cellar. The line set of the air handler is then run to the condenser. Although most condensers are placed outdoors, some can be installed indoors. You'll also need to run a drain line and install electricity at this point.
Looking for a Ducted Wine Cellar Cooler Unit? Check these out
You will need to run the line set if you are getting a ductless split wine cellar cooling unit. The line set connects ductless wine cellar cooling units to the location of the condenser. Although most condensers are installed outside, some can be installed inside. At this point, you'll also need to run a drain line and install electricity.
Need a new split system? Buy Ductless Split Wine Room Cooling Units
If you choose to install a Self-Contained Wine Cooling Unit or Through-the-Wall Wine Cooler Unit, you'll need to construct a hole through the wall just big enough for the wine room cooler unit to fit through. Depending on the model, you'll also need to install an electrical outlet near the cellar, which could be on the inside or outside of the wine cooling unit.
You'll need to make space for a condensate drain because most of these wall-mounted wine coolers require one. Also, some of these units can't bring wine cellar humidity, so a wine cellar humidifier will need to be plugged into a 110V outlet.
Shop for Self-Contained Wine Cellar Cooling Systems
Some of the top wine cellar cooler brands include WhisperKOOL, Breezaire, and CellarCool.
You can browse our entire collection of wine cooling systems, which includes everything from mini wine cellar air conditioners to large modern wine cellar refrigeration units, commercial and residential wine cellar coolers, and other wine cellar refrigeration needs here: Wine Cellar Cooling Units
Here's an article for you: 10 Best Wine Cellar Cooling Units
If you need help with the dimensions of the wine cellar or how to size a wine cellar cooling unit, you may contact our experts through our Contact us page.
The most commonly used for wine cellar insulation and vapor barriers are fiberglass batts and spray foam or a 6millimeter vapor barrier. The vapor barrier protects the insulation on both warm and cold sides. Make sure the basement’s ceiling and walls are completely sealed with a vapor barrier.
Spray foams do not require a 6 mm vapor barrier. However, they cost more but they have the advantage of preventing a vapor barrier rupture caused by screwing, piping, running cable, or other materials into or through the wall from outside the wine cellar. If you use a non-shrinking closed cell spray foam, the screw will not damage the enclosure, and the foam expands to cover and tightly seal all cracks. Make sure there are no air gaps between the insulation and the drywall for both procedures.
Whether you’re building small home wine cellars in your basement such as a modern wine closet, walk in wine cellar, or wine cellar cabinet, you should follow the same steps and guidelines.
Installing a 6 mm vapor barrier at the back of the wall studs is the best thing to do for new construction and if you won't be using spray foam. You'll also need to cover your ceiling joists and floor if they're not on a slab.
Note that in some regions, there are regulations that require all vapor barriers to be installed on the warm side of the wine cellar. Spray foam insulation is recommended.
If you’re rebuilding or renovating your basement wine cellar, you should wrap the existing studs in the space in the same manner as the ceiling joists. The vapor barrier should be on the warm side or exterior wall of the wine cellar.
Once the vapor barrier has been placed, fill the stud and joist voids with insulation. Fiberglass batts are the most used type of insulation. Fiberglass has an R-13 insulation value in a 2x4 wall cavity and an R-19 insulation value in a 2x6 wall cavity. Insulation must be fluffed to prevent voids and gaps.
Allow enough vapor barrier to wrap around the corners, overlap the seams, and tuck them tight using tuck tape (not duct tape). Fill all gaps in studs and joists with fire-rated penetration sealant to limit air movement.
Concrete is the best material for wine cellar flooring. Anything other than concrete, such as wood and rugs, should be avoided. They're far too porous and leaky. Concrete can be permeable, which is why it should be sealed.
Allow 28 days for the concrete to cure completely. Seal the floor with penetrating sealers (silanes and siloxanes) or high-performance coatings (epoxies and urethane) once the concrete has been fully set.
If you're planning to use a sealer on a tiled floor, make sure it'll work with the tile's adhesive.
Electrical outlets should be installed in the empty spaces at the corners where your wine racks connect together. See if one of the wine rack posts is blocking it. Follow your local building code when installing outlets in your wine cellar, as this will take precedence over any recommendations made.
To connect your lighting, there is no need to install an electrical outlet in the high reveal racking space. The cord will be able to reach the outlet's dead area. If you need an outlet in this position, let your design consultant know so they can properly locate the outlets for you. Switches should be used for high reveals and accent lighting, such as archway lighting.
After the studs, vapor barrier, insulation, and electrical outlets have been installed, the next step is to cover the walls and ceiling. Use materials that can withstand the high humidity levels in your basement wine cellar.
Water-resistant Drywall, also known as Green Board drywall, is recommended for wall and ceiling coverings because it can withstand high humidity levels. Because this is the same drywall used in most homes and is readily available.
DIY wine cellar walls and ceilings should be fastened with water-resistant drywall. Use fire-rated puncture sealants to seal any penetrations on both sides of the wine cellar.
Finishing the walls can help you create the style you want for the cellar room while also keeping the wine at a consistent temperature. For the interior walls, make sure you use water-based exterior grade paint.
There are a few limitations when it comes to lighting solutions for a basement wine cellar in homes. You must use thermally fused can lights, also known as IC-rated cans, if you wish to use can lighting in a wine cellar.
UV lamps may have a negative impact on long-term storage which has also been a source of concern. Although there is no scientific data to support either viewpoint at this time, several industry professionals recommend avoiding UV lighting.
Glass paneled doors are attractive and widely used in wine cellars, but they have a low R-value (insulation). If you're planning to use glass, a wine cooling unit with a larger BTU output may be necessary to compensate for the lower R-value. However, larger wine cooling units will never fully compensate for a poorly insulated wine cellar.
Glass doors should have a well-sealed thermal pane unit with an overall thickness of ⅝” or ¾”, at least double-paned and tempered glass elements if applicable. The edges of the glass frame should also be sealed.
The wine cellar door must be at least 1 ¾” thick.
You'll need to use an exterior grade door with weatherstripping on three sides and a threshold and door sweep on the bottom. An interior door will not work with this application. The ideal wine cellar temperature is between 55°F - 58°F, with a wine cellar humidity of 55% to 75%, so you'll need a barrier between it and the rest of your house, which will be closer to 70°F and 20% in most parts of the United States. If you go with a glass door, make sure it's thermopane to provide insulation and prevent condensation from forming on the glass due to temperature differences. You can also install solid wood doors if you want.
Glass is not the best material for a cellar door. A glass door may be appealing, but it is not ideal for wine cellars. A single pane of glass provides virtually no insulation. For the optimum results, it should be at least 1/2 inch thick, UV-protected, and tempered. Framed glass, similar to what you'd put on your home's exterior doorway, is an upgraded version that consists of thermally broken frames with dual-pane glass.
The best option is to get a door designed exclusively for wine cellars. If that is too costly, an exterior-grade door is the next best option. Hollow core interior doors will not provide adequate insulation, so make sure the wine cellar door is well-sealed.
Wine racks can be built or installed. Always keep in mind that bottles with corks should be placed on their sides or horizontally, not vertically. Furthermore, be careful when carrying your collection into the new cellar. It's a delicate job and a lot can go wrong. It's better to take your time than to rush it.
You can buy them as kits or have custom wine racks made. Kit racks come in a variety of sizes and shapes and are less expensive than custom wine racks. Custom wine racks are made to accommodate the size and shape of your wine cellar while holding your wine collection perfectly.
Look through our wine racks collection: Wine Racks
Wine Coolers Empire offers one of the best wine racks. Take a look at this article: Ultra Wine Racks and Cellars
Once you've done transforming that empty space in your basement into your dream wine cellar, you may contact our design consultant and send them the final dimensions to finish your wine cellar's design.
We can help you with wine cellar ideas and designs, please feel free to contact us or call us at +1-888-407-7770 for inquiries.