Solahart 178L (180HAV)
Rebates up to
$1,630
STC $640 · ESC $990 (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
81%
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 | 178 L |
| Rated heating capacity | 3.1 kW |
| Rated power input | 0.683 kW |
| COP | 4.5 (AS/NZS 5125.1:2014 test, 19C/15C dry/wet bulb ambient air, water heated 11.5C to 60C, 240V 50Hz) |
| Sound level | 48 dB(A) |
| Hot water delivery | 60 °C |
| Tank height | 1810 mm |
| Tank weight (empty) | 116 kg |
| Electric backup | 2.4 kW |
Certified to
Specs from: Solahart Atmos 180HAV owner's guide and installation instructions, Rev-04 (Solahart Australia, June 2024); public STC/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 | 12 STCs | $480 |
| Sydney (Z3) | 15 STCs | $600 |
| Melbourne (Z4) | 16 STCs | $640 |
| Canberra (Z5) | 16 STCs | $640 |
VEU — VEECs (Victoria)
Not yet registered for VEECs.
ESS — ESCs (NSW)
| Zone | Repl. electric metro / regional | Repl. gas metro / regional | Energy savings |
|---|---|---|---|
| Sydney (Z3) | 30 / 31 | 15 / 15 | 81.0% |
| Canberra (Z5) | 32 / 33 | 16 / 16 | 79.3% |
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 Solahart Atmos 180HAV is an all-in-one air-sourced heat pump water heater with a 178 L vitreous enamel lined cylinder and the heat pump module built into the top of the same cabinet. It uses R134a refrigerant and delivers an average heating capacity of 3.1 kW at 19 degrees C ambient, with a COP of 4.5 measured to AS/NZS 5125.1:2014 (19/15 degrees C dry/wet bulb, water heated 11.5 to 60 degrees C).
A 2.4 kW electric element provides backup boosting when ambient conditions fall outside the heat pump’s operating range. Measured noise is 48 dB(A) at 1 metre.
180HAV30 is a register variant of the same physical unit (anode/colour variant); certificate values are the same across variants.
Registered model codes
180HAV, 180HAV30
Homeowners
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