New Zealand ยท costs in NZD

Top-mount fridge freezer ยท 2 doors
Westinghouse WTB5400WC Fridge
Westinghouse WTB5400WC is a 503 L top-mount fridge freezer registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration ARF3924).
- Total capacity
- 503 L
- 384 L fridge + 119 L freezer
- Energy rating
- 4
- Star rating index 4.27
- Annual electricity use
- 353 kWh
- Label figure (comparative energy consumption)
- Estimated running cost
- $116 / year
- $9.71 / month ยท $1,165 over 10 years
4% less electricity than the median of 10 comparable 500โ599 L top-mount fridge freezer registrations (369 kWh a year). It uses less than 60% of them. At 33c/kWh that is about $5 a year less than the median, $53 over 10 years.
Uses 20% less than the maximum allowed for its size and type under the minimum energy performance standard (444 kWh a year MEPS level).
Cost = label kWh ร 33c/kWh in NZD; change the price above to your tariff.
How efficient is it for its size?
Cohort: every currently registered 500โ599 L top-mount fridge freezer sold in New Zealand, counted once per registration. Star ratings already account for size through the GEMS adjusted-volume formula; this comparison is in raw kWh against models a buyer would actually consider instead.
Westinghouse WTB5400WC running cost
- Per month
- $9.71
- Per year
- $116
- 5 years
- $582
- 10 years
- $1,165
353 kWh ร 33c/kWh. No inflation or tariff change assumed. Fridges run continuously, so the label figure is a whole-year estimate under standard test conditions.
Capacity and compartments
- Total gross volume
- 503 L
- Fresh food (fridge) volume
- 384 L
- Frozen storage volume
- 119 L
- GEMS adjusted volume
- 596 L
- fresh food compartment
- 384 L gross
- freezer compartment
- 119 L gross
Gross volumes exclude shelving. Fresh food = fresh food, chill and cellar compartments; frozen = freezer, two-star and ice-making (zero-star) compartments. Adjusted volume weights frozen space more heavily and is what the government uses to set the star rating for the size.
Similar top-mount fridge freezers that use less electricity
Same type, total capacity within 12% of 503 L, at least 3% lower annual kWh.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Haier HRF450TW443 L309 kWh/yr | 4.5 | $102 | |
| Haier HRF450T series443 L309 kWh/yr | 4.5 | $102 | |
| Chiq CTM51*N**5E515 L312 kWh/yr | 5 | $103 | |
| Chiq CTM513NBS5E515 L312 kWh/yr | 5 | $103 | |
| Samsung Electronics SRT5300S465 L319 kWh/yr | 4.5 | $105 |
Fridges similar to the Westinghouse WTB5400WC
| Model | Capacity | Stars | kWh / yr | Why similar |
|---|---|---|---|---|
| Kelvinator KTM5402AC same capacity, same door count, similar external size, similar star rating | 503 L | 3.5 | 400 | same capacity, same door count, similar external size, similar star rating |
| Kelvinator KTM5402** same capacity, same door count, similar external size, similar star rating | 503 L | 3.5 | 400 | same capacity, same door count, similar external size, similar star rating |
| Mitsubishi Electric MR-505ER-SB-A same capacity, same door count, similar star rating | 505 L | 4.5 | 345 | same capacity, same door count, similar star rating |
| Mitsubishi Electric MR-505ER series same capacity, same door count, similar star rating | 505 L | 4.5 | 345 | same capacity, same door count, similar star rating |
| LG GT-500SM same capacity, same door count, similar star rating | 507 L | 3.5 | 418 | same capacity, same door count, similar star rating |
| LG GT-8MB 1% smaller, same door count, similar star rating | 496 L | 4 | 372 | 1% smaller, same door count, similar star rating |
| Hisense HRTF497SW 1% smaller, same door count, similar star rating | 496 L | 4.5 | 335 | 1% smaller, same door count, similar star rating |
| TECO TFF513SNTVAH 2% larger, same door count, similar star rating | 513 L | 4 | 381 | 2% larger, same door count, similar star rating |
Same consumer type, total capacity within 12% of 503 L; ordered by closeness of capacity, then lowest annual kWh.
Compare WTB5400WC with another fridge
Westinghouse WTB5400WC specifications
- Type
- Top-mount fridge freezer
- Configuration
- Upright
- Doors
- 2
- Defrost
- Variable defrost controller
- Ice maker
- โ
- Width
- 1,725 mm
- Height
- 796 mm
- Depth
- 723 mm
- Annual energy (label)
- 353 kWh
- Star rating index
- 4.273
- MEPS level (maximum allowed)
- 444 kWh
- kWh per adjusted litre
- 0.592
- Country of manufacture
- Thailand
Other model numbers on registration ARF3924
Registered together with the same test results, usually colour or finish variants.
New Zealand E3 registration details
- Registration number
- ARF3924
- GEMS registration id
- 178013
- Status
- approved, available (self-reported)
- Registration expires
- 15 August 2031
- Registered for sale in
- Australia, New Zealand
- Family
- WTB540***
- Designation
- Refrigerator/freezer
- Product class
- Class 5
- GEMS group
- Group 5T: refrigerator-freezer, automatic defrost, top-mounted freezer
- Regulatory standard
- Greenhouse and Energy Minimum Standards (Household Refrigerating Appliances) Determination 2019
- Test standard
- AS/NZS IEC 62552.3:2018
- Consumer type rule
- GEMS group 5T (frost-free fridge freezer, top-mounted freezer)
Source: E3 programme registration data (EECA, New Zealand) (trans-Tasman E3 registration data published by DCCEEW on data.gov.au, CC BY 3.0 AU). Dataset published 25 September 2026; last checked 26 September 2026. Manufacturer: electrolux.co.th. How the derived figures are calculated.