Avanti OR1533U3S Outdoor
#1 in RefrigeratorsFull review
The lowest-priced outdoor undercounter fridge here, for a 15 in opening in a patio kitchen.
Amazon $499$499
The Avanti OR1533U3S Outdoor is the better undercounter refrigerator overall, rated 3.6 to 2.8. The Avanti OR1533U3S Outdoor leads on value, warranty and installation. The Avanti OR1533U3S Outdoor costs $1,093.39 less ($499 vs $1,592.39).
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.
Summit FF1843BSSADA 18-inch
#10 in RefrigeratorsFull review
An 18 in built-in ADA fridge with a lock, for a narrow spot under a lower counter.
Amazon $1,592.39$1,592.39
Which should you buy?
- Choose the Avanti OR1533U3S Outdoor for value ($172.07 per cu ft ($499, 2.9 cu ft) vs $589.77 per cu ft ($1,592.39, 2.7 cu ft)), warranty (2-year warranty vs 1-year warranty, 5 years on the compressor) and installation (front venting for built-in use, rated for outdoor use vs front venting for built-in use, indoor use).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every refrigerators undercounter refrigerator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Avanti OR1533U3S Outdoor | Summit FF1843BSSADA 18-inch |
|---|---|---|
| Overall rating | 3.6/5 | 2.8/5 |
| Value 30% | 70 $172.07 per cu ft ($499, 2.9 cu ft) | 1 $589.77 per cu ft ($1,592.39, 2.7 cu ft) |
| Capacity 15% | 13 2.9 cu ft | 7 2.7 cu ft |
| Installation 20% | 90 front venting for built-in use, rated for outdoor use | 70 front venting for built-in use, indoor use |
| Energy use 15% | 50 energy use not published (neutral score used) | 67 250 kWh a year |
| Noise 5% | 50 noise level not published (neutral score used) | 92 33.1 dB |
| Warranty 15% | 70 2-year warranty | 40 1-year warranty, 5 years on the compressor |
Specifications
| Avanti OR1533U3S Outdoor | Summit FF1843BSSADA 18-inch | |
|---|---|---|
| Storage | ||
| Capacity | 2.9 cu ft | 2.7 cu ft |
| Defrost | - | Automatic |
| Installation | ||
| Width | 14.6 in | 17.8 in |
| Height | 32.5 in | 31.5 in |
| Depth | 24.5 in | 24 in |
| Built-in (front venting) | Built-in | Built-in |
| Outdoor use | Rated for outdoor | Indoor |
| Max ambient | 100 F | - |
| Reversible door | Yes | Yes |
| Lock | - | Yes |
| Running | ||
| Energy use | - | 250 kWh/yr |
| Noise | - | 33.1 dB |
| Build | ||
| Weight | 69 lb | 103 lb |
| Warranty | 2 years | 1 year |
| Compressor warranty | - | 5 years |