ThermalArk 270L (ARK270)
Rebates up to
$560
STC $560
Replace-electric, medium household, best zone. Enter your postcode below for exact figures.
VIC Solar Homes rebate
$1,000
50% of installed price, point-of-sale. Stacks with STC/VEEC above.
VIC only. Assumed eligible, not confirmed against the live Solar Victoria product list.
Register data as at CER (STC) 2026-04-30
Specifications
| Type | Integral all-in-one |
| Tank volume | 270 L |
| Rated heating capacity | 3.6 kW |
| Rated power input | 0.94 kW |
| Sound level | 48 dB(A) |
| Hot water delivery | 60 °C |
| Operating ambient | -7 to 43 °C |
| Tank height | 1955 mm |
| Tank diameter | 640 mm |
| Heat pump weight | 135 kg |
| Electric backup | 1.5 kW |
| Warranty | Tank and parts 5 years, workmanship 1 year |
Certified to
Specs from: ThermalArk product page (thermalark.com.au/product/ark270-efficient-heat-pump); EvoHeat 270 manual (PASHW015-270LD, same OEM unit); public CER SRES / VEU / ESS registers.
Certificate rebate by postcode
Registered certificate values
Every scheme this model is registered for, by zone. STCs at $40, VEECs at $85, ESCs at $30 (reference prices as at 2026-07-07). Claim year 2026, medium household.
SRES — STCs (national)
| Zone 1 | 11 STCs | $440 |
| Zone 2 | 11 STCs | $440 |
| Sydney (Z3) | 13 STCs | $520 |
| Melbourne (Z4) | 14 STCs | $560 |
| Canberra (Z5) | 14 STCs | $560 |
VEU — VEECs (Victoria)
Not yet registered for VEECs.
ESS — ESCs (NSW)
Not yet registered for ESCs.
Certificate counts are computed from the model's registered performance data using the current regulated equations. A lodged claim depends on the specific installation, household size, and the scheme rules in force at creation. Energy savings % is against the AS/NZS 4234:2021 reference electric storage water heater for that zone, medium household, calculated from the model's registered performance data.
The ThermalArk ARK270 is an all-in-one integral heat pump water heater: a 270 L tank with the compressor and heat exchanger built into the same outdoor cabinet. It delivers 3.6 kW of heating at a 0.94 kW power input, giving a water recovery rate of 75 L/h in heat pump mode, and runs in ambient temperatures from -7 to 43 degrees C.
The unit carries a 1.5 kW electric boost element (30 L/h recovery when used) and delivers hot water up to 60 degrees C. Quoted sound level is 48 dBA. Cabinet dimensions are 640 x 640 x 1955 mm and the unit weighs 135 kg.
ThermalArk is an AU distributor brand; the ARK270 is part of a wider PHNIX-manufactured OEM product family also sold under other AU/NZ brand names (EvoHeat 270, iStore). The same unit is registered under both “ARK-270” and “PASHW015-270LD” on file for this brand. Refrigerant type and COP were not stated on the manufacturer’s public product page and are omitted rather than guessed. Warranty is 5 years on tank and parts, 1 year on workmanship.
Registered model codes
ARK-270, PASHW015-270LD
Homeowners
What's it worth at your place?
Enter your postcode to see the exact certificates and dollar rebate this model earns at your address.
Check your rebate →Installers & retailers
Quoting this product?
Compare it against alternatives, or talk to us about eligibility, zoning and claim paperwork.
Compare models →Manufacturers & importers
Your product?
Verify or update this listing, or ask about registering new models and maximising certificate outcomes.
Contact EnergyAE →New to the schemes? Read how STCs, VEECs and ESCs work for residential HPWHs, or see the HPWH Intelligence Platform for live compliance and certificate tools.