Quantum Titan Compact 340L (340-17ACW-134)

R134a 340 L Integral all-in-one
Quantum Titan Compact 340L (340-17ACW-134)

Rebates up to

$1,310

STC $560 · ESC $750 (NSW)

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.

AS/NZS 4234 energy savings

66%

vs the standard's reference electric storage water heater, medium household, best zone.

Register data as at CER (STC) 2026-04-30

Specifications

Type Integral all-in-one
Refrigerant R134a
Tank volume 340 L
Rated heating capacity 6.22 kW
Rated power input 1.66 kW
COP 3.57 (Rated at 20 degrees C ambient)
Sound level 58 dB(A)
Hot water delivery 60 °C
Operating ambient -10 to 35 °C
Tank height 2300 mm
Tank diameter 650 mm
Tank weight (empty) 180 kg
Electric backup None (heat pump only)
Warranty Tank 5, electric and refrigeration 2

Certified to

AS 2712AS 3498WaterMark

Specs from: Quantum Energy Technologies product brochure and specification data (quantumenergy.com.au); public STC / ESS registers.

Certificate rebate by postcode

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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)

Zone Repl. electric
metro / regional
Repl. gas
metro / regional
Energy
savings
Sydney (Z3) 24 / 25 10 / 9 65.6%

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 Titan Compact 340-17ACW-134 is the top of Quantum’s domestic/light-commercial compact range: a 340 L tank with a 39 cc rotary compressor on R134a refrigerant, rated for 8-plus people. Heating capacity is 6.22 kW at 1.66 kW power input, giving a COP of 3.57 at 20 degrees C ambient, roughly 60% more capacity than the 11 kW-class 340-11AC3-134.

The unit operates from -10 to 35 degrees C ambient, delivers water at 60 degrees C, and has no electric booster element. Cabinet dimensions are 2300 mm height by 650 mm diameter, nett empty weight 180 kg, operating sound level 58 dBA at 1.5 m.

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

340-17ACW-134

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