A 21 in ADA freezer that gets colder than the rest, for long-term frozen storage in a tight spot.
Amazon $1,671.88The Summit ALFZ37BCSS Freezer rates 2.9 among freezers undercounter refrigerators; the Summit FF1843BSSADA 18-inch rates 2.8 among refrigerators ones. The Summit FF1843BSSADA 18-inch costs $79.49 less ($1,592.39 vs $1,671.88).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

An 18 in built-in ADA fridge with a lock, for a narrow spot under a lower counter.
Amazon $1,592.39Scores side by side
These two sit in different type classes (freezers and refrigerators), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Summit ALFZ37BCSS Freezer | Summit FF1843BSSADA 18-inch |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 30% | 0 $623.84 per cu ft ($1,671.88, 2.7 cu ft) | 1 $589.77 per cu ft ($1,592.39, 2.7 cu ft) |
| Capacity 15% | 6 2.7 cu ft | 7 2.7 cu ft |
| Installation 20% | 70 front venting for built-in use, indoor use | 70 front venting for built-in use, indoor use |
| Energy use 15% | 92 266 kWh a year | 67 250 kWh a year |
| Noise 5% | 92 33.1 dB | 92 33.1 dB |
| Warranty 15% | 40 1-year warranty, 5 years on the compressor | 40 1-year warranty, 5 years on the compressor |
Specifications
| Summit ALFZ37BCSS Freezer | Summit FF1843BSSADA 18-inch | |
|---|---|---|
| Storage | ||
| Capacity | 2.7 cu ft | 2.7 cu ft |
| Temperature range | -13 to 5 F | - |
| Defrost | Manual | Automatic |
| Installation | ||
| Width | 20.9 in | 17.8 in |
| Height | 32 in | 31.5 in |
| Depth | 22.5 in | 24 in |
| Built-in (front venting) | Built-in | Built-in |
| Outdoor use | Indoor | Indoor |
| Reversible door | - | Yes |
| Lock | No | Yes |
| Running | ||
| Energy use | 266 kWh/yr | 250 kWh/yr |
| Noise | 33.1 dB | 33.1 dB |
| Build | ||
| Weight | 105 lb | 103 lb |
| Warranty | 1 year | 1 year |
| Compressor warranty | 5 years | 5 years |