Quantum Domestic Compact 270L (270-11AC3-134)
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 |
| Refrigerant | R134a |
| Tank volume | 270 L |
| Rated heating capacity | 3.53 kW |
| Rated power input | 0.986 kW |
| COP | 3.55 (Rated at 20 degrees C ambient, 60% relative humidity air, water heated 20 to 60 degrees C) |
| Sound level | 52 dB(A) |
| Hot water delivery | 60 °C |
| Operating ambient | -10 to 40 °C |
| Tank height | 1900 mm |
| Tank diameter | 650 mm |
| Tank weight (empty) | 135 kg |
| Electric backup | None (heat pump only) |
| Warranty | Tank 5, electric and refrigeration 2 |
Certified to
Specs from: Quantum Energy Technologies domestic model range specification sheet (distributor-hosted); public STC register.
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 | 10 STCs | $400 |
| 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 Quantum 270-11AC3-134 is an all-in-one compact heat pump with a 270 L tank, using R134a refrigerant and a 23.1 cc rotary compressor. Rated heating capacity is 3.53 kW at 0.986 kW power input, a COP of 3.55 at 20 degrees C ambient, sitting between the 08-series R290 line and the 17 kW Titan R134a line.
The unit is rated from -10 up to 40-plus degrees C ambient, delivers water at 60 degrees C (maximum tank setting 70 degrees C), and has no electric booster element. Cabinet dimensions are 1900 mm height by 650 mm diameter, nett empty weight 135 kg, operating sound level 52 dBA.
Register code 270-11AC4-134 is a later hardware revision of the same product and is grouped here rather than treated as a separate model. Warranty is 5 years on the tank and 2 years on electrics and refrigeration, certified to AS 2712 and AS 3498 with WaterMark approval.
Registered model codes
270-11AC3-134, 270-11AC4-134
Homeowners
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