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 3.5. The Avanti OR1533U3S Outdoor leads on value and warranty. The Summit SPR621OSLHD Outdoor wins on capacity. The Avanti OR1533U3S Outdoor costs $536.10 less ($499 vs $1,035.10).
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 SPR621OSLHD Outdoor
#5 in RefrigeratorsFull review
A 21 in weatherproof built-in fridge with a lock, for an outdoor kitchen with a narrow opening.
Amazon $1,035.10$1,035.10
Which should you buy?
- Choose the Avanti OR1533U3S Outdoor for value ($172.07 per cu ft ($499, 2.9 cu ft) vs $295.74 per cu ft ($1,035.10, 3.5 cu ft)) and warranty (2-year warranty vs 1-year warranty, 5 years on the compressor).
- Choose the Summit SPR621OSLHD Outdoor for capacity (3.5 cu ft vs 2.9 cu ft).
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 SPR621OSLHD Outdoor |
|---|---|---|
| Overall rating | 3.6/5 | 3.5/5 |
| Value 30% | 70 $172.07 per cu ft ($499, 2.9 cu ft) | 39 $295.74 per cu ft ($1,035.10, 3.5 cu ft) |
| Capacity 15% | 13 2.9 cu ft | 33 3.5 cu ft |
| Installation 20% | 90 front venting for built-in use, rated for outdoor use | 90 front venting for built-in use, rated for outdoor use |
| Energy use 15% | 50 energy use not published (neutral score used) | 100 200 kWh a year |
| Noise 5% | 50 noise level not published (neutral score used) | 50 noise level not published (neutral score used) |
| Warranty 15% | 70 2-year warranty | 40 1-year warranty, 5 years on the compressor |
Specifications
| Avanti OR1533U3S Outdoor | Summit SPR621OSLHD Outdoor | |
|---|---|---|
| Storage | ||
| Capacity | 2.9 cu ft | 3.5 cu ft |
| Temperature range | - | 36 to 43 F |
| Defrost | - | Frost-free |
| Installation | ||
| Width | 14.6 in | 20.8 in |
| Height | 32.5 in | 32 in |
| Depth | 24.5 in | 22 in |
| Built-in (front venting) | Built-in | Built-in |
| Outdoor use | Rated for outdoor | Rated for outdoor |
| Safety listing | - | ETL |
| Max ambient | 100 F | - |
| Reversible door | Yes | No |
| Lock | - | Yes |
| Running | ||
| Energy use | - | 200 kWh/yr |
| Build | ||
| Weight | 69 lb | 95 lb |
| Warranty | 2 years | 1 year |
| Compressor warranty | - | 5 years |