In the Old-World estates of Tuscany and Barolo, wine was stored in stone-lined cellars tucked beneath the home. These cool, subterranean spaces offered the perfect conditions for aging: dark, insulated, and consistently temperate. Today, wine collections are no longer hidden. They’re showcased in striking glass displays that serve as architectural focal points, blending luxury design with personal expression.
But with this transition from cellar to centerpiece, many modern wine rooms are falling short where it matters most: performance.
Wine Refrigeration = Climate Control, Not Just Cooling
Wine needs more than cold air. A proper wine refrigeration system maintains temperatures between 55-58 degrees, with humidity between 50-70% to keep corks from drying out and labels from peeling. Standard mini splits, often used in garages or guest rooms, can’t meet those needs, as they’re underpowered and visually disruptive.
We work closely with systems designed specifically for wine rooms, such as Wine Guardian, one of the industry’s leading manufacturers. But the equipment alone isn’t enough. Bottle count, room dimensions, how it’s constructed, and even how often the door is opened all influence what type of system is needed.
Why Scottsdale Wine Rooms Struggle in Summer
Here in the Valley, the external heat load can be relentless. When a wine room’s refrigeration system is installed without proper airflow or exposed to direct sunlight, even the BEST equipment is impacted, leading to higher utility bills, accelerated wear, and eventual failure.
We recently helped a Scottsdale homeowner whose south-facing wine wall was enclosed in floor-to-ceiling glass. The design was striking, with visibility between three entertaining areas in the center of a bright and modern great room. However, the glass lacked UV protection, and the doors were just slightly off, preventing a complete seal. Within three months, several bottles had spoiled, and the system was running nonstop to recover. By the time we were called, the system was already failing under constant strain.
More and more, we see rooms like this; designed for aesthetics, but not for performance. Designers may love the look. Homeowners may love the statement it makes. And yes—you can have it all. But without proper planning, that beauty can come at a high cost: equipment failure, spoiled wine, and a collection put at risk.
Is Your Wine Room Undersized for the Job?
Today’s wine walls demand far more than visual appeal. We often walk into homes where luxury wine rooms simply can’t hold temperature. Why? Because these systems were sized for a traditional cellar, not for a space surrounded by glass and metal.
Even the most high-end homes are not immune. A wine wall might look like art, but if it lacks sealing, insulation, and the right equipment, it becomes a frustrating, expensive problem.
Not All HVAC Techs Are Wine Room Specialists
Servicing an AC and designing a wine room are two very different things. Wine storage requires precision, and a different set of tools, calculations, and certifications than typical residential cooling.
If your technician can’t provide load calculations or medium-temp specs (the range used for wine storage), it’s worth asking whether they truly understand what your system needs.
Building or Upgrading a Wine Room? Start Here
Whether you’re building a new home, converting an unused wall or closet, or modernizing an existing wine room, early planning with a trained refrigeration specialist makes all the difference. With proper sizing, thoughtful equipment placement, and tight sealing, your wine room can be both beautiful and functional.
If your system struggles to maintain temperature or runs constantly, chances are the space wasn’t designed for the materials or layout of the space. The good news? It can be corrected, and function can live alongside design.
All it takes is the right planning and the right partner for your wine room to be both a showpiece and a sanctuary.
Donnie and Nicole Forbes are the owners of Forbes Refrigeration, a trusted HVAC and Wine Room Refrigeration company serving Scottsdale and the surrounding areas. With over 30 years of experience supporting Arizona’s most discerning homeowners, Forbes specializes in climate-controlled environments designed to preserve and protect what matters most. www.ForbesRefrigeration.com; (480) 266-5211
