Does this COWSAR cooler actually get cold enough to work as a refrigerator?
Treat it as a beverage and wine cooler, not a kitchen refrigerator substitute. COWSAR gives a cooling range starting at 40 degrees F, but real-world results vary: some units get down into the mid-30s, while others will not chill drinks much below 50 degrees. It holds whatever temperature it reaches steadily, so it works well as a wine and drinks cooler. Just don't expect guaranteed kitchen-fridge cold, check it with a thermometer in the first few days, and don't store anything in it that needs to stay below 40 degrees for food safety.
Can I fit it under a counter or inside a cabinet?
Measure first, and leave it room to breathe. It stands 29.41 inches tall, 17.01 inches wide and 18.15 inches deep, and COWSAR sells it as a freestanding unit rather than a built-in, so it expects open air around it. A compressor cooler sheds heat through its cabinet, which is why the sides can get very hot, and wedging it tightly into cabinetry can carry compressor vibration into the floor and wall. It can still work in a tight spot such as under a kitchen sink, but if the compressor runs loud and rough there, contact COWSAR support rather than boxing it in further; a faulty motor is a known cause, and support can send a replacement.
Is condensation on the glass door a sign something is wrong?
Not by itself. Condensation is this cooler's most common annoyance, and it is a common trade-off with any double-glazed glass-door cooler: a cold interior behind glass in a warmer, more humid room will fog or bead moisture on the surface. COWSAR's insulation and airtight seal address heat loss through the door, not the humidity of the room it sits in. Expect more condensation in a garage, basement, or unconditioned space than in a dry, climate-controlled kitchen.
How much does the 2.6 cubic foot capacity actually hold, and is there a freezer?
COWSAR states up to 95 standard cans across four adjustable shelves. There is no freezer. COWSAR describes it as a compact, freezerless design, so the full 2.6 cubic feet is a single beverage zone.
Can I store food in this, or is it strictly for drinks?
Strictly beverages. COWSAR's own feature bullet is explicit that this is a beverage-only cooling appliance and is not designed for general food storage, and there is no freezer compartment. Combined with the fact that some units may not chill below roughly 50 degrees, it should not be relied on to keep perishable food at a food-safe temperature. Use it for cans, bottles, and wine, and keep a separate refrigerator or freezer for anything that needs to stay reliably below 40 degrees, including leftovers, dairy, or meat.
Is the noise level a real concern, or is it actually quiet like COWSAR claims?
It depends on the unit. Many are essentially silent apart from the first start-up; others are noticeably louder than expected, especially when the compressor cycles on, and a unit that rattles or vibrates badly may have a faulty motor worth raising with COWSAR support. The compressor design is a genuine step up from thermoelectric coolers for cooling consistency, but that active cooling is also the source of whatever operating sound it produces, so expect some audible cycling rather than total silence.