Summit SPFF51OS Outdoor Freezer
#1 in FreezersFull review
An outdoor-listed all-freezer for a patio kitchen that needs ice and frozen food on hand.
Amazon $1,650.76$1,650.76
The Summit SPFF51OS Outdoor Freezer is the better undercounter refrigerator overall, rated 3.3 to 3.1. The Summit SPFF51OS Outdoor Freezer leads on value, installation and capacity. The Zephyr Presrv PRRFD24C2AS wins on warranty. The Summit SPFF51OS Outdoor Freezer costs $1,648.24 less ($1,650.76 vs $3,299).
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.
Zephyr Presrv PRRFD24C2AS
#4 in FreezersFull review
Two drawers that each run as freezer, fridge or pantry, for a kitchen that wants the most flexible undercounter storage and will pay for it.
Amazon $3,299$3,299
Which should you buy?
- Choose the Summit SPFF51OS Outdoor Freezer for value ($358.86 per cu ft ($1,650.76, 4.6 cu ft) vs $845.90 per cu ft ($3,299, 3.9 cu ft)), installation (front venting for built-in use, outdoor listed vs front venting for built-in use, indoor use) and capacity (4.6 cu ft vs 3.9 cu ft).
- Choose the Zephyr Presrv PRRFD24C2AS for warranty (2-year warranty, 5 years on the compressor vs 1-year warranty, 5 years on the compressor).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every freezers undercounter refrigerator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Summit SPFF51OS Outdoor Freezer | Zephyr Presrv PRRFD24C2AS |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 30% | 29 $358.86 per cu ft ($1,650.76, 4.6 cu ft) | 0 $845.90 per cu ft ($3,299, 3.9 cu ft) |
| Capacity 15% | 70 4.6 cu ft | 47 3.9 cu ft |
| Installation 20% | 100 front venting for built-in use, outdoor listed | 70 front venting for built-in use, indoor use |
| Energy use 15% | 30 390 kWh a year | 50 energy use not published (neutral score used) |
| Noise 5% | 50 noise level not published (neutral score used) | 62 37 dB |
| Warranty 15% | 40 1-year warranty, 5 years on the compressor | 100 2-year warranty, 5 years on the compressor |
Specifications
| Summit SPFF51OS Outdoor Freezer | Zephyr Presrv PRRFD24C2AS | |
|---|---|---|
| Storage | ||
| Capacity | 4.6 cu ft | 3.9 cu ft |
| Drawers | - | 2 |
| Convertible zone | - | Yes |
| Temperature range | -11 to 11 F | -7 to 65 F |
| Defrost | Frost-free | - |
| Installation | ||
| Width | 23.6 in | 23.9 in |
| Height | 34 in | 33.9 in |
| Depth | 23.5 in | 24 in |
| Built-in (front venting) | Built-in | Built-in |
| Outdoor use | Outdoor listed | Indoor |
| Safety listing | ETL, UL 471 | - |
| Reversible door | Yes | - |
| Lock | Yes | No |
| Running | ||
| Energy use | 390 kWh/yr | - |
| ENERGY STAR | - | Yes |
| Noise | - | 37 dB |
| Build | ||
| Weight | 88 lb | 135 lb |
| Warranty | 1 year | 2 years |
| Compressor warranty | 5 years | 5 years |