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Head-to-head · Best Electric Coolers

Dometic CFX3 75DZ vs Goal Zero Alta 50

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Dometic CFX3 75DZ comes out ahead by a narrow margin (4.7 vs 4.6). Dometic CFX3 75DZ is best for: Overlanders and full-time RV travelers who need a single fridge that runs as both freezer and refrigerator on extended off-grid trips. Read the strengths below before deciding.

Dometic CFX3 75DZ
Higher ratedRanked #2 in Best Electric Coolers
Dometic CFX3 75DZ
1 sourceall derived$1,399.99as of Jul 17

For dual-zone use, the Dometic CFX3 75DZ is the overlander's reference fridge: independent 35L and 40L compartments that hit -7F freezer territory simultaneously, a CFX3 app with true remote monitoring, and an ExoFrame chassis built to take a beating. GearJunkie called the CFX3 line 'the pinnacle of design' from Dometic's portable cooling division, and long-term reviewers report it survives years of vibration and rough handling. It costs roughly triple what a value brand asks, but living out of a truck or trailer is what justifies that.

Strengths
  • — ExoFrame construction with reinforced edges survived rough off-road use in long-term testing
  • — Five-year compressor warranty backed by Dometic's global service network
  • — Runs on 12V/24V DC, 110-240V AC, or solar with built-in 3-stage battery protection
Watch-outs
  • — Larger 75L footprint requires more cargo space than typical 45L units
$1,399.99 · Buy at dometic.comFull review →
Goal Zero Alta 50
Ranked #4 in Best Electric Coolers
Goal Zero Alta 50
1 sourceall derived$799.95as of Oct 11

Efficiency off-grid is where the Goal Zero Alta 50 leads this group. Its LG compressor averages 8 watts at 35F, so a 500Wh Yeti power station runs the fridge for over two days and a Yeti 1500 keeps it cold for six-plus days. The trade is single-zone operation: freezer or refrigerator per trip, not both at once. For solar-powered overlanders, dispersed campers and anyone building a tailored Goal Zero off-grid kit, the integration story is the clear differentiator.

Strengths
  • — LG variable-speed compressor averages just 8 watts at 35F setpoint, the lowest in this category
  • — App-enabled over Bluetooth with remote setpoint control and temperature alerts
  • — Eco-friendly R600a refrigerant (30g charge) and 75-can capacity in 53 liters
Watch-outs
  • — 49.4-pound empty weight is heavy for the form factor
$799.95 · Check Price on AmazonFull review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Dometic CFX3 75DZ

The Dometic CFX3 75DZ has two independent zones of 35L and 40L, where the Goal Zero Alta 50, the Dometic CFX5 45 and the Whynter FM-45G are all single zone. At 61.3 lbs empty it is heavier than the Alta 50 at 49.4 lbs, and it costs more. Its compressor warranty runs five years against the Alta 50's two-year warranty, and its app connects over Wi-Fi and Bluetooth where the Alta 50's uses Bluetooth.

Goal Zero Alta 50

The Alta wins on power efficiency by a wide margin against comparable single-zone units like the Whynter FM-45G.

Specs side-by-side

SpecDometic CFX3 75DZGoal Zero Alta 50
Capacity75L (113 cans)53L (75 cans)
Temperature Range+68F to -7F+68F to -4F
Dual ZoneYes (35L + 40L independent)No (single zone)
Power Input12V/24V DC, 110-240V AC, solar12V/24V DC, 100/240V AC
Power Draw~49W during cool-down8W avg at 35F setpoint
CompressorHermetically sealed (R134a)LG variable-speed
Dimensions35.1 x 19.5 x 18.6 in14.13"D x 19.5"W x 11.75"H
Empty Weight61.3 lbs49.4 lbs
App ControlWi-Fi + Bluetooth (CFX3 app)Bluetooth (Goal Zero app)
Warranty5-year compressor2-year
Voltage12 volts12 volts
Refrigerant—R600a (30g)
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