Thermann 300L (300THC25)
Rebates up to
$1,480
STC $640 · VEEC $765 (VIC) · ESC $840 (NSW)
Replace-electric, medium household, best zone. Enter your postcode below for exact figures.
VIC Solar Homes rebate
$1,400
50% of installed price, point-of-sale — locally-made tier. Stacks with STC/VEEC above.
VIC only. Assumed eligible, not confirmed against the live Solar Victoria product list.
AS/NZS 4234 energy savings
78%
vs the standard's reference electric storage water heater, medium household, best zone.
Register data as at CER (STC) 2026-04-30 · VEU 2026-07-01
Specifications
| Type | Integral all-in-one |
| Refrigerant | R290 |
| Tank volume | 287 L |
| Rated power input | 2.6 kW |
| Hot water delivery | 60 °C |
| Tank height | 2005 mm |
| Tank diameter | 620 mm |
| Heat pump weight | 125 kg |
| Electric backup | 1.8 kW |
| Warranty | Tank 7 (3 labour), heat pump component 3, other components 1, single-family dwelling (shorter terms apply for other applications) |
Specs from: Thermann Heat Pump Water Heater Installer's and Owner's Guide (H4150 Rev. B, effective 1 March 2025); 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 | 12 STCs | $480 |
| Zone 2 | 11 STCs | $440 |
| Sydney (Z3) | 15 STCs | $600 |
| Melbourne (Z4) | 16 STCs | $640 |
| Canberra (Z5) | 16 STCs | $640 |
VEU — VEECs (Victoria)
| Zone | Repl. electric metro / regional | Repl. gas | Energy savings |
|---|---|---|---|
| Melbourne (Z4) | 8 / 9 | 7 | 78.3% |
| Canberra (Z5) | 8 / 9 | 7 | 77.0% |
ESS — ESCs (NSW)
| Zone | Repl. electric metro / regional | Repl. gas metro / regional | Energy savings |
|---|---|---|---|
| Sydney (Z3) | 26 / 27 | 12 / 11 | 70.7% |
| Canberra (Z5) | 27 / 28 | 11 / 11 | 67.2% |
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 Thermann 300THC25 is an integral heat pump water heater: a 287 L tank with the R290 (propane) heat pump built into the same cabinet, hardwired for continuous or controlled-load tariff supply. Rated power input is 2.6 kW at up to 12.6 A, with a 290 g R290 refrigerant charge, and the unit carries a 1.8 kW electric element for boost mode. Hot water is delivered at up to 60 degrees C.
The cabinet stands 2005 mm tall and 620 mm in diameter, and the unit weighs 125 kg net. Tank warranty is 7 years (3 years labour), heat pump components 3 years, other components 1 year, for single-family dwelling installations (shorter terms apply for other applications).
The plug-in variant of this tank size (300THC25P) uses a lower-power configuration (2.0 kW input, 10 A, 1.2 kW element) and is registered as a separate product. The -H suffix models on the register are identical except for a pre-fitted hard-water anode.
Registered model codes
300THC25, 300THC25-H
Homeowners
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