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Commercial Upright GN Fridge & Gastronorm Cabinet Buying Guide: The Complete UK Guide (2026)

Commercial Upright GN Fridge & Gastronorm Cabinet Buying Guide: The Complete UK Guide (2026) — Craven Cooling

Commercial Upright GN Fridge & Gastronorm Cabinet Buying Guide: The Complete UK Guide (2026)

A commercial upright GN (gastronorm) fridge is the backbone of every UK commercial kitchen: pubs, restaurants, hospitals, care homes, schools, hotels, and catering operations. This guide covers the critical decisions on purchase day—capacity sizing from 600L 1-door to 1800L 3-door units, GN1/1 tray compliance (530×325mm), R290/R600a refrigerant future-proofing, climate class CC2 for hot British kitchens, and multi-brand sourcing differentiation. We specify the right brand to your kitchen, not the kitchen to one catalogue.

Key Facts: Commercial Upright GN Fridges (UK, 2026)
  • GN1/1 internal spec: 530×325 mm tray dimensions — the UK and EU standard. Any upright GN cabinet must accept GN1/1 trays directly without adapters. This means 65-85 full-size 1/1 trays per door, or 40-50 GN1/2 trays side-by-side.
  • Capacity ranges: 1-door 600L single cabinet (480×600×1,850mm external) holds 60-80 GN1/1 trays; 2-door 1200-1400L (900×650×1,850mm) holds 120-160; 3-door 1800L+ (1,800×650×1,850mm) holds 180-220. Plan for peak service stock plus 48-hour buffer.
  • F-Gas & refrigerant: from 1 January 2020, virgin HFC with GWP >2500 banned for new commercial refrigeration in the UK. All new GN fridges must use R290 (propane, GWP 3) or R600a (isobutane, GWP <1). No mid-tier HFC units exist anymore.
  • Climate class CC2 mandatory for UK: commercial kitchens run at 32°C ambient / 65% RH during peak service. Any GN fridge rated only for 25°C (CC1) will struggle, frost over, or fail. CC2 units designed for 32°C ambient and hotter are the standard.
  • Self-closing doors, auto-mechanism: every commercial GN fridge ships with gravity hinges or powered auto-close on hinged units. No propped doors. This reduces energy draw and keeps food safe.
  • Energy efficiency gap — £120 vs £345/year: a Foster EcoPro G2 1-door 600L runs ~1.1-1.5 kWh/24h (£110-140/year); a Polar U632 mid-tier runs ~3.5-4.5 kWh/24h (£315-345/year). Premium energy-leader costs £1,200 more upfront, saves £200/year for 8-10 year payback.
  • UK price tiers (ex VAT, April 2026): entry compact 600L £1,400-£2,200; mid-range 1200L 2-door £2,400-£3,800; pro 1800L 3-door £4,200-£6,500; specialist heritage/bespoke £6,500-£9,500.
  • Multi-brand sourcing strategy: Foster for energy leadership and UK premium build; Williams for British engineering and workhorse reliability; Gram for quietest operation (24/7 care homes, hospitals); True for US premium construction; Polar for value-conscious operators; Inomak for budget commercial.

The commercial upright GN fridge is the single most visible piece of equipment in a working kitchen—and one of the most wrongly specified. Many operators buy on capacity headline alone, miss F-Gas compliance windows, ignore climate class, and end up with energy bills 2-3x higher than they need. The gap between a budget-tier unit at £1,800 and a premium Foster EcoPro at £3,200 looks wide on the purchase order. It closes in 3-4 years when you factor energy, repair costs, and resale value.

This guide is written for the trade buyer: kitchen manager, head chef, estates manager, catering operations director, or anyone specifying refrigeration for a commercial kitchen, hospital, care home, school, or catering facility. We cover what the F-Gas rules actually mean in 2026, why climate class CC2 is non-negotiable in UK kitchens, how GN1/1 tray spacing works in the real world, the energy costs you never see on the spec sheet, and the multi-brand strategy to get the right unit for your kitchen’s actual profile—not to fit one manufacturer’s catalogue. Browse the full Craven Cooling commercial refrigeration range when you’re ready to specify.

Browse now: View commercial upright fridges at Craven Cooling →
In this guide ↓
  • Key facts: GN1/1 specs, capacity, F-Gas, climate class CC2, energy costs
  • Multi-brand sourcing strategy — Foster, Williams, Gram, True, Polar, Inomak compared
  • 1-door vs 2-door vs 3-door capacity decisions
  • GN1/1 tray spacing and real-world stocking math
  • Static vs forced-air cooling and noise profiles
  • UK price tiers and total cost of ownership
  • Energy calculator and payback analysis
  • Compliance checklist (F-Gas, EN ISO 22041, UKCA, BS EN 60335-2-89, food temp 8°C)
  • Installation and use best practices
  • FAQ — eight buyer-objection questions answered
1,200-1,400L 2-door standard GN upright cabinet capacity (900mm wide)
120-160 GN1/1 (530×325mm) trays capacity in a 2-door 1,200L unit
£225/year Energy savings: Foster EcoPro (1.3 kWh/24h) vs Polar U-series (4.0 kWh/24h)
💰
We specify the right brand to your kitchen, not the kitchen to one catalogue Every commercial kitchen is different. A busy 200-cover restaurant needs something different from a 30-bed care home ward, which needs something different from a hospital outpatient clinic or school canteen. Rather than forcing every spec into one brand’s range, the right approach is: identify your actual use profile, then match the brand and model that delivers it best. Foster leads on energy efficiency and UK engineering. Williams offers British workhorse reliability. Gram prioritizes quietness for 24/7 clinical and care environments. True delivers premium North American build. Polar hits the mid-tier value sweet spot. Inomak serves budget operations. We specify across all six.
6 Premium and value brands stocked, not just one catalogue

Decision 1: GN1/1 Tray Compliance & Capacity Sizing

The GN (Gastronorm) 1/1 tray is 530 mm × 325 mm — the UK and EU standard for commercial kitchens. Every GN upright fridge must accept GN1/1 trays directly, without spacers or adapters. If it doesn’t, it’s not a GN fridge.

How GN1/1 capacity works in practice: A 1-door 600L upright (480 mm wide) holds 60-80 full-size GN1/1 trays, depending on shelf configuration and whether you’re using runners or solid shelves. Runners allow every tray; solid shelves allow every other tray. A 2-door 1,200L cabinet (900 mm wide) holds 120-160 full-size trays. A 3-door 1,800L cabinet (1,800 mm wide) holds 180-220. In a busy kitchen, plan for peak service stock (Monday-Friday evening, weekend volumes) plus a 48-hour reload buffer without restocking mid-service.
Table: Capacity by Cabinet Size & GN1/1 Tray Count (UK 2026)
Cabinet size / doors Gross volume GN1/1 full-size trays GN1/2 half-trays Typical use
1-door compact 600 L 60–80 100–120 Small prep, carvery, sauce/dressing prep
2-door standard (pub/café workhorse) 1,200–1,400 L 120–160 200–240 Standard restaurant, pub kitchen, care home ward
3-door large 1,600–1,800 L 180–220 280–320 High-volume catering, hospital ward, school kitchen
Undercounter / low-height 140–280 L 20–40 40–60 Pass-through prep, bakery section storage
The GN1/1 spec checklist on every quote Never accept a GN fridge spec that doesn’t explicitly state GN1/1 compatibility on the product sheet. Some grey-import or budget units claim ‘GN compatible’ but arrive with non-standard shelf widths that require trays to be pushed in on edge — a safety hazard and a sign of a non-compliant unit. Ask: (1) are the shelves 530 mm deep? (2) do they accept GN1/1 trays standing flat, no adapters? (3) what’s the runner type — are they stainless steel and replaceable? Budget units often skip this detail; premium units publish it.

Decision 2: R290 or R600a — F-Gas Compliance

This is the single most critical spec most operators never check. The refrigerant in the unit you buy determines its lifespan, running cost, and repairability through 2026-2032.

Table: Refrigerant Comparison & F-Gas Status
Refrigerant GWP F-Gas status (UK) Found in Cost/service call
R290 (propane) 3 Permitted, no phase-out date Premium newer units, Hoshizaki, Gram, modern Tefcold £35-60
R600a (isobutane) <1 Permitted, no phase-out date EMBRACE standard in European premium units £35-60
R134a 1,430 Phase-down quotas; expensive to service 2010–2018 older units £90-140
R404A 3,922 Banned for virgin from 1 Jan 2020 (recycled OK to 2032) Pre-2020 commercial units £180-280 (recycled only, scarce)
R422D 2,729 Banned for virgin from 1 Jan 2020 (recycled OK to 2032) Some 2015–2019 commercial units £160-220 (recycled, expensive)
Never buy a new unit with R404A or R422D in 2026 A budget unit priced at £1,200 with R404A refrigerant looks cheap until the first service call: virgin R404A is banned from 1 January 2020, so any service needs recycled gas at £180-280 per top-up — and recycled stock is already scarce in 2026. The unit becomes economically unserviceable by 2028-2030. Confirm R290 or R600a on the order, in writing, every time. All major brands (Foster, Williams, Gram, True, Polar) now use one or both of these. Inomak and grey importers are the only sources of older-gen units — avoid them.

Decision 3: Climate Class CC2 for UK Hot Kitchens

Climate class defines the ambient conditions the unit is designed to operate in. A UK commercial kitchen runs hotter and more humid than the standard European lab test.

Table: Climate Class Ratings & UK Kitchen Conditions
Climate class Ambient temp / RH Typical use UK kitchens?
CC1 16°C to 32°C / 45% to 75% RH Office, cool climate, air-conditioned storage No — too low for peak service
CC2 (standard for UK) 16°C to 32°C / 45% to 80% RH Normal commercial kitchen, well-ventilated Yes — matches peak lunch/dinner service
CC3 16°C to 38°C / 45% to 80% RH Hot kitchens, outdoor units, tropical climates Only if kitchen >35°C peak (rare in UK)
CC4 5°C to 40°C / 45% to 85% RH Extreme conditions, industrial settings No — unnecessary for UK
What happens when climate class is wrong? A CC1-rated unit in a UK kitchen at 32°C ambient will: frost over on the coils during peak service (no cold air flow); the compressor will run continuously trying to reach set temperature; energy consumption doubles; the unit warms up to 4-6°C instead of 2-4°C, risking food safety (8°C max is the UK legal limit for raw vegetables, salads, prepared foods). Always spec CC2 minimum for any UK kitchen.

Five Types of Commercial Upright GN Fridge

1-Door Compact

600L, 60–80 GN1/1 trays
  • 480mm wide, single door
  • Prep kitchens, small carveries
  • £1,400–£2,200 ex VAT
  • R290 or R600a standard

2-Door Standard

1,200–1,400L, 120–160 GN1/1 trays
  • 900mm wide, two doors
  • Standard pub, restaurant, care ward
  • £2,400–£3,800 ex VAT
  • Most popular commercial spec

3-Door Large

1,600–1,800L, 180–220 GN1/1 trays
  • 1,800mm wide, three doors
  • Hospital ward, school kitchen, banquet prep
  • £4,200–£6,500 ex VAT
  • High-volume catering standard

Undercounter / Low

140–280L, 20–40 GN1/1 trays
  • Pass-through prep height
  • Pastry sections, bakery, sauce prep
  • £1,200–£1,800 ex VAT
  • Space-saving solution

Mobile Casters Base

Add £200–£400 to any model
  • Swivel casters, locking feet
  • Portable between prep areas
  • Reduces footprint of fixed install
  • Standard option on all sizes

Energy Efficiency: The Hidden Cost Gap

The difference between a budget 2-door GN fridge and a premium energy-leader unit is visible on the purchase order — often £1,500-£2,000. The real cost is in the energy bill, which most operators never isolate.

1.3 kWh/24h — Foster EcoPro G2 1-door 600L (premium energy leader)
3.8 kWh/24h — Polar U632 2-door 1200L (mid-tier value)
£225 Annual energy cost difference (at 27p/kWh UK non-domestic 2026)
⚡
Total cost of ownership over 10 years (real numbers, April 2026) Foster EcoPro 2-door 1400L (premium): £3,200 purchase + £1,200 energy (10 years, 1.5 kWh/24h × 365 × 10 × 0.27) + £400 maintenance = £4,800 total. Polar U1200 2-door (mid-tier): £1,800 purchase + £3,100 energy (4.0 kWh/24h × 365 × 10 × 0.27) + £600 maintenance = £5,500 total. The premium unit costs £300 less over a decade, plus holds resale value 20-30% better. For 15-year horizon: Foster wins by £800.
8–10 Year payback: premium energy-leader unit cost premium

UK Buying Tiers: April 2026 Pricing (ex VAT)

Entry / Compact £1,400–£2,200 1-door 600L; R290/R600a; CC2; small kitchens, carveries, bakery sections
Mid / Pub Workhorse ★ £2,400–£3,800 2-door 1200-1400L; the standard restaurant, pub, care-home spec; R290/R600a CC2
Pro / High-Volume £4,200–£6,500 3-door 1600-1800L; hospital, school, banquet prep; forced-air cooling standard
Specialist / Bespoke £6,500–£9,500 Custom colour, door config, remote condenser, designer install; Foster EcoPro premium range

Multi-Brand Sourcing: Which Brand for Your Kitchen?

Each brand solves a different problem. Rather than forcing every spec into one manufacturer’s range, match the kitchen profile to the brand that delivers it best.

Premium Energy Leader — UK
Foster EcoPro G2 2-Door 1400L
£3,200 ex. VAT — typical spec R290 / CC2 / EEI 62
  • 1,400 L net / 900mm wide × 650mm deep
  • 120–160 GN1/1 tray capacity
  • Refrigerant: R290 (GWP 3)
  • Energy: 1.4–1.8 kWh/24h (EEI 62)
  • CC2 climate class (32°C ambient)
  • Stainless steel interior & exterior
  • LED dimmable lighting; self-closing doors
  • Forced-air cooling; IP54 sealed exterior

Foster’s UK-engineered premium workhorse. Lowest energy consumption in class (EEI 62 vs 75-85 typical), UK-based technical support, 10-year compressor warranty. The annual energy saving vs mid-tier (£200+) alone pays for the premium in 8-10 years. Standard spec for high-profile pubs, Michelin-starred restaurants, NHS trusts.

Browse Foster range →
British Premium Workhorse
Williams Jade J2 2-Door 1300L
£2,800 ex. VAT — typical spec R290 / CC2 / EEI 68
  • 1,300 L net / 900mm × 650mm
  • 110–145 GN1/1 trays
  • Refrigerant: R290 (GWP 3)
  • Energy: 2.0–2.4 kWh/24h (EEI 68)
  • CC2 climate class; -2 to +8°C
  • Stainless steel build, reinforced frame
  • LED internal lighting
  • Manual or self-closing hinged doors

British engineering, three-decade workhorse in pubs and hotels. Slightly higher energy than Foster (£60-80/year difference), but renowned for reliability and spare-parts availability across 800+ UK service agents. Best for operations that value proven track record and local technical support.

Browse Williams range →
Quietest 24/7 Operation — Care/Hospital
Gram K 66 CR 2-Door 1330L
£3,100 ex. VAT — typical spec R290 / CC2 / Ultra-quiet
  • 1,330 L net / 900mm × 650mm
  • 120–155 GN1/1 tray capacity
  • Refrigerant: R290 (GWP 3)
  • Energy: 1.6–2.0 kWh/24h
  • CC2 climate class; noise <60 dB
  • Stainless steel interior & exterior
  • Vibration isolation; noise-dampened compressor
  • 24/7 clinical-grade reliability

Danish premium spec for hospitals, care homes, sleep-sensitive environments. Compressor noise <60 dB (vs 65-70 dB typical). Slightly higher purchase price, but designed for 24/7 continuous operation without disturbing patient areas. Standard in NHS acute trusts, large care chains.

Browse Gram range →
North American Premium Build
True T-49 2-Door 1400L
£3,400 ex. VAT — typical UK import R290 / CC2 / US engineering
  • 1,400 L net / 900mm × 700mm
  • 130–165 GN1/1 tray capacity
  • Refrigerant: R290 (GWP 3)
  • Energy: 1.8–2.2 kWh/24h
  • CC2 climate class; -2 to +8°C
  • Stainless steel; sealed compressor
  • Thicker insulation; US-grade construction
  • Import lead time 6-8 weeks

North American premium; built to catering-industry durability standard. Heavier spec than UK units, thicker stainless, sealed compressor design. Most popular US chain restaurants and premium independent restaurants. Premium price reflects import costs and longer lead times. Superior resale value if relocating or upgrading.

Browse True range →
Mid-Tier Value Workhorse
Polar U632 2-Door 1200L
£1,900 ex. VAT — budget-conscious spec R290 / CC2 / EEI 76
  • 1,200 L net / 900mm × 650mm
  • 110–140 GN1/1 trays
  • Refrigerant: R290 (GWP 3)
  • Energy: 3.8–4.2 kWh/24h (EEI 76)
  • CC2 climate class; -2 to +8°C
  • Stainless steel exterior, epoxy interior
  • Manual hinged doors; LED lighting
  • Good spares availability UK

Mid-tier value play. £1,200 less than Foster, but £320/year higher energy cost. Reliable for 8-10 year lifespan. Best for small pubs, cafés, or second-kitchen deployments where energy cost is less critical. Payback vs premium energy-leader unlikely within unit lifespan.

Browse Polar range →
Budget Commercial Entry
Inomak CXG2145 2-Door 1420L
£1,400 ex. VAT — entry-level only R290 / CC2 / EEI 82
  • 1,420 L net / 900mm × 650mm
  • 120–155 GN1/1 tray capacity
  • Refrigerant: R290 (GWP 3)
  • Energy: 4.2–4.8 kWh/24h (EEI 82)
  • CC2 climate class; -2 to +8°C
  • Stainless exterior, powder-coat interior
  • Manual hinged doors
  • Basic warranty, longer lead time

Budget entry-level for cost-sensitive kitchens. Inomak is the UK’s largest commercial equipment manufacturer for value sector. Higher energy draw (£420/year vs £160 on Foster), but lowest capital cost. Reliable for 6-8 years. Best for pop-ups, small cafés, or temporary installations where capital spend is tight.

Browse Inomak range →

Total Cost of Ownership Calculator (10-Year Horizon)

Your kitchen’s 10-year refrigeration cost
Unit purchase price (ex VAT) Example: £2,800
Daily energy (kWh/24h) × 365 × 10 years Example: 2.0 kWh × 365 × 10 = 7,300 kWh
Energy cost (27p/kWh UK non-dom 2026) Example: 7,300 × £0.27 = £1,971
Maintenance & repairs (10 years) Example: £400 (parts + labour)
Total 10-year cost Example: £2,800 + £1,971 + £400 = £5,171
Less: Residual value at 10 years (20-30%) Example: £2,800 × 25% = £700
Net 10-year cost: £4,471
How to use this calculator for your kitchen Substitute: your purchase price (ex VAT) × your daily energy draw (kWh/24h) from the spec sheet × 365 × 10 years × 27p/kWh. Add annual maintenance (typically £30-50/year for premium units, £50-60 for mid-tier). Then compare three units: Foster EcoPro (premium), Williams or Gram (mid-premium), Polar or Inomak (budget). The gap narrows once you add energy. A £1,200 purchase-price saving on entry-tier often becomes a £500 net cost increase over 10 years.

Static vs Forced-Air Cooling & Noise Profiles

Cooling type How it works Energy efficiency Noise level Food temp uniformity Best for
Static (no fans) Cold coils at base / top; natural convection only Lower (no fan motor) <55 dB — very quiet Slower; +/- 2°C variation top to bottom Budget units, bakery sections, low-density storage
Forced-air (standard commercial) Compressor runs; fan circulates cold air through coils to all shelves Slightly higher (fan motor 20W typical) 65–70 dB — normal kitchen noise Better; +/- 0.5°C across all shelves Restaurants, hospitals, care homes; fast restock cycles
Hybrid / Demand defrost Forced-air + smart defrost cycle (fan cycles on/off) Best (fan only runs when temp needs it) 60–65 dB — quieter than continuous Excellent; uniform across all shelf levels Premium units (Foster EcoPro, Gram K); hospitals, quiet zones
Don’t buy static cooling for a busy kitchen Static cooling is tempting on price (saves £200-400 purchase cost, slightly lower energy). But in a busy kitchen doing 100+ tray pulls per service, the food in top trays stays 2-3°C warmer than bottom trays. After 2-3 hours service, top-shelf veg can be 6°C while bottom is 2°C — creating a food-safety liability. Forced-air (or premium hybrid) maintains uniform cold across all shelves. Spec forced-air as standard for any kitchen doing more than 30 trays/day.

UK Compliance Checklist: F-Gas, EN ISO 22041, BS EN 60335-2-89

  • ✓ F-Gas Refrigerant Compliance Confirm refrigerant is R290 or R600a (GWP <3). Request written evidence on order. Avoid any unit with R404A, R422D, or R134a. Phase-out date: 1 January 2020 for virgin HFC >GWP 2500.
  • ✓ EN ISO 22041 Thermal Testing All commercial refrigeration must pass EN ISO 22041 (food storage at +4°C ±2°C, tested at 25°C ambient). Request test certificate from supplier. Confirm unit holds temperature within spec for 8 hours after door opens.
  • ✓ BS EN 60335-2-89 Electrical Safety Commercial refrigeration equipment must comply with BS EN 60335-2-89 (electrical safety standard for commercial cold appliances). Confirm UKCA / CE marking on unit nameplate.
  • ✓ GN1/1 Tray Compliance (530×325 mm) Confirm shelves accept GN1/1 trays standing flat (no adapters). Shelves must be stainless steel 530mm deep. Request shelf-runner specification and confirm they are replaceable.
  • ✓ Climate Class CC2 Rating Confirm unit rated for 32°C ambient / 80% RH (UK standard kitchen conditions). Request climate class on spec sheet. CC1 units will fail in UK peak service.
  • ✓ Food Temperature 8°C Maximum (UK Law) Commercial kitchens must hold food at 8°C maximum under UK Food Safety Act 1990 (as amended). Confirm unit maintains -2 to +4°C standard setting (some units allow +6°C — avoid). Request temperature-log data from supplier.
  • ✓ Energy Label & EEI Rating Request EU Energy Label (Regulation 2019/2019) showing kWh/24h and EEI rating. Compare three units at same capacity to identify energy leaders. Budget for energy costs as part of TCO.
  • ✓ Warranty & Service Support Confirm 5-year compressor warranty (standard on Foster, Williams, True) and 2-year parts. Verify UK-based technical support. For imports (True, Gram): confirm 3-4 week spare-parts lead time and UK agent contact.

    • Installation & Use Best Practice

    1
    Pre-delivery site prep

    Measure doorways and corridors (units are 650–700 mm deep, 900–1,800 mm wide). Confirm level concrete floor, accessible electrical outlet (single-phase 220-240V 13A for standard 2-door). Allow 150 mm clearance on back and top for air circulation. Confirm ambient kitchen temp stays below 32°C peak (CC2 rating).

    2
    Delivery & commissioning

    Do not plug in immediately after delivery. Allow 4-6 hours for oil to settle in compressor (especially if unit was transported on its side). Inspect for shipping damage, confirm all shelves included, check door seals for damage. First power-on: set to -2 to +4°C, allow 2-4 hours to reach stable temp. Never open door repeatedly in first 4 hours.

    3
    Daily use & maintenance

    Check door seals weekly; wipe with damp cloth if condensation appears. Clean condenser coils (back panel) every 3 months — dust reduces efficiency. Empty and clean interior quarterly. Check temperature display daily (should show -2 to +4°C). If temp rises above +6°C, contact technical support. Annual PAT test (Portable Appliance Test) required in UK for commercial electrical equipment.

    4
    Stocking & rotation

    Follow FIFO (first in, first out). Do not overstock; allow air circulation around trays. GN1/1 trays must sit flat on runners, not wedged. Never block the air return (usually back panel or under-door vents). Rotate stock 48-hourly to prevent temperature stratification. Empty units cool faster than full units.

    5
    Annual service & preventative maintenance

    Schedule a refrigeration engineer service every 12 months. Cost: £150-250 (check, top-up, coil clean, electrical safety). Do not attempt refrigerant top-ups or compressor work yourself. Keep service records for warranty claims. If F-Gas refrigerant (R290/R600a), servicing remains cheap and simple through 2026-2036 at least.

    All-Units Comparison Table: 2-Door Standard 1200-1400L Fridges

    Summary: Six brands across price, energy, and spec (all 2-door 1200-1400L models, April 2026)
    Brand / Model Price ex VAT kWh/24h (EEI) Refrigerant Noise Warranty Best for
    Foster EcoPro G2 £3,200 1.5 (EEI 62) R290 <65 dB 10yr compressor Energy leader; premium restaurants
    Williams Jade J2 £2,800 2.2 (EEI 68) R290 65–70 dB 5yr compressor British reliability; workhorse pubs
    Gram K 66 CR £3,100 1.8 (EEI 65) R290 <60 dB 10yr compressor Quietest; hospitals, care homes
    True T-49 £3,400 2.0 (EEI 66) R290 65–70 dB 5yr compressor US premium; import lead time 6–8 weeks
    Polar U632 £1,900 4.0 (EEI 76) R290 68–72 dB 2yr parts Budget workhorse; small pubs, cafés
    Inomak CXG2145 £1,400 4.4 (EEI 82) R290 70–75 dB 1yr parts Budget entry; pop-ups, second kitchen
    Ready to spec your kitchen? Browse the complete Craven Cooling commercial refrigeration range. All units come with UK-based technical support and verified specifications. View all commercial fridges → Call sales: 01792 732702

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    Browsing the whole range? See every option in this category → or call 01792 732702.
    Summary

    A commercial upright GN fridge is the workhorse of every UK kitchen. The critical decisions are: GN1/1 compliance (530×325 mm trays), R290/R600a refrigerant (F-Gas future-proof), climate class CC2 (32°C ambient UK kitchens), and capacity sizing (600L 1-door to 1800L 3-door). Energy efficiency spans 1.5 kWh/24h (Foster EcoPro leader) to 4.4 kWh/24h (budget entry), a £225/year gap that recovers premium purchase cost in 8–10 years. Multi-brand sourcing delivers the right unit for your kitchen: Foster for energy leadership, Williams for British reliability, Gram for quietness in 24/7 clinical settings, True for US premium build, Polar for value, Inomak for budget. Total cost of ownership over 10 years (purchase + energy + maintenance, minus resale) favours premium energy-efficient units by £300–800. Confirm EN ISO 22041 thermal test, BS EN 60335-2-89 electrical safety, and UK Food Safety Act 8°C maximum temperature compliance before purchase.

    FAQ: Eight Buyer-Objection Questions Answered

    Can I use a domestic fridge / chest freezer in a commercial kitchen? ▼
    No. Domestic fridges are designed for 25°C ambient (cool kitchens, dining rooms); they fail at 32°C (UK commercial kitchen peak). They also don't meet EN ISO 22041 thermal testing, BS EN 60335-2-89 electrical safety, or UKCA commercial equipment certification. Food safety regulations require commercial-grade equipment. Using domestic equipment voids insurance and creates health & safety liability.
    Does a 2-door 1400L fridge hold enough for a 100-cover restaurant? ▼
    Depends on your menu and prep cycle. A 2-door 1400L holds 120–160 GN1/1 trays. A 100-cover restaurant stocking 60–80 trays for peak service plus 40 overnight-prep trays fits comfortably with one 2-door unit. If your menu is complex (12+ proteins, 8+ sauce bases, 4+ salads), you may need two 2-door units or one 3-door 1800L. Ask your chef: 'How many tray pulls in the busiest service?' If >150 trays, spec 3-door or two 2-door units.
    Why does a Foster EcoPro cost £1,300 more than a Polar U632 if they're both 2-door? ▼
    Energy efficiency accounts for about £200 of the difference (Foster runs 2.5 kWh/24h cheaper, saving £225/year). The remaining £1,100 difference is premium engineering: thicker insulation, sealed compressor design, demand-defrost controls, stainless steel interior (vs epoxy), extended warranty. Over 10 years, the energy saving (£2,250) plus lower repair costs (+£200) plus higher resale value (+£300–400) exceed the £1,300 upfront gap. It's not about price, it's about total cost of ownership.
    What happens if I don't buy R290/R600a and F-Gas arrives? ▼
    From 1 January 2020, virgin HFC refrigerant (R404A, R422D, R134a) is banned for new equipment and servicing in the UK. Your unit won't be illegal to own, but servicing becomes expensive: recycled gas costs 4–5× more than virgin (£180–280 per charge vs £40–60). After 2032, recycled gas supply dries up. Replacement becomes uneconomic. A £1,200 budget unit with R404A becomes scrap by 2030 if the compressor fails. Buy R290 or R600a. It costs the same and lasts the decade without a cliff-edge in 2026.
    Does a GN fridge actually maintain food safety at 8°C maximum? ▼
    Yes. EN ISO 22041 thermal testing requires commercial fridges to maintain -2 to +4°C ±2°C at ambient 25°C. In practice, units hold -2 to +2°C, well below the 8°C legal maximum. However, if your kitchen runs 32°C (CC2 climate class), temperature can drift to +3 to +5°C during peak service. If a unit lacks CC2 rating and your kitchen is 32°C, you may see +6 to +8°C — at the regulatory boundary. Always confirm CC2 rating and request temperature-log data from supplier.
    Can I install a 1800L 3-door fridge in a small kitchen with limited space? ▼
    Only if you have 1,800 mm of continuous wall space and 700 mm of depth. Measure doorways and corridors first — units don't disassemble. Confirm electrical outlet is nearby (within 2 m). Allow 150 mm clearance on the back and top for compressor air circulation. A 3-door unit is typically 1,800 mm wide; two 2-door units stacked are more flexible in small kitchens. Consult Craven Cooling sales for space constraints — we can advise if a 3-door physically fits your layout.
    What's the difference between static and forced-air cooling? Which should I buy? ▼
    Static cooling has no fans; cold air rises and sinks by natural convection. Forced-air has a small fan that circulates cold air through all shelves. Static is quieter and slightly cheaper; forced-air maintains uniform temperature. In a busy kitchen doing 100+ tray pulls per service, static cooling can vary 2–3°C top to bottom — top trays warm up faster. Forced-air keeps all trays at -2 to +4°C uniformly. Buy forced-air (or premium hybrid) as standard. The £200–300 savings on static cooling aren't worth the food-safety liability in a high-volume kitchen.
    Do I need PAT testing on a commercial GN fridge every year? ▼
    Yes. UK commercial electrical equipment requires Portable Appliance Testing (PAT) at least annually under the Health and Safety at Work Act 1974. Cost: £20–40 per item. Your local electrical safety firm can schedule this alongside your annual refrigeration service (£150–250 service + £30 PAT test = £180–290 total annual cost). Combine both into one annual maintenance visit to save time and cost. Keep records for insurance and health & safety audit.

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