Summit SPR621OSLHD Outdoor vs Zephyr Presrv PRRFD24C2AS

Last updated: November 9, 2026

The Summit SPR621OSLHD Outdoor rates 3.5 among refrigerators undercounter refrigerators; the Zephyr Presrv PRRFD24C2AS rates 3.1 among freezers ones. The Summit SPR621OSLHD Outdoor costs $2,263.90 less ($1,035.10 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.

Summit SPR621OSLHD Outdoor vs Zephyr Presrv PRRFD24C2AS

Scores side by side

These two sit in different type classes (refrigerators and freezers), 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 weightSummit SPR621OSLHD OutdoorZephyr Presrv PRRFD24C2AS
Overall rating3.5/53.1/5
Value 30%39 $295.74 per cu ft ($1,035.10, 3.5 cu ft)0 $845.90 per cu ft ($3,299, 3.9 cu ft)
Capacity 15%33 3.5 cu ft47 3.9 cu ft
Installation 20%90 front venting for built-in use, rated for outdoor use70 front venting for built-in use, indoor use
Energy use 15%100 200 kWh a year50 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 compressor100 2-year warranty, 5 years on the compressor

Specifications

Summit SPR621OSLHD OutdoorZephyr Presrv PRRFD24C2AS
Storage
Capacity3.5 cu ft3.9 cu ft
Drawers-2
Convertible zone-Yes
Temperature range36 to 43 F-7 to 65 F
DefrostFrost-free-
Installation
Width20.8 in23.9 in
Height32 in33.9 in
Depth22 in24 in
Built-in (front venting)Built-inBuilt-in
Outdoor useRated for outdoorIndoor
Safety listingETL-
Reversible doorNo-
LockYesNo
Running
Energy use200 kWh/yr-
ENERGY STAR-Yes
Noise-37 dB
Build
Weight95 lb135 lb
Warranty1 year2 years
Compressor warranty5 years5 years

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