Gridly
WA 6398 · Denmark
Heat Pump Hot Water Installation in Walpole, WA
Replace your gas or electric hot water system with an efficient heat pump. Find a vetted installer in Walpole and start saving.
Get free quotesHot Water Snapshot for Walpole
Key data for heat pump sizing and savings estimates.
552
Population
1.9
Avg household size
Temperate (cool)
Climate zone
95L
Est. daily hot water
$676
Annual cost (electric)
$193
Annual cost (heat pump)
3.4 yrs
Est. payback period
$1,630
Cost after STC rebate
Zone 2
Dwelling Mix in Walpole
Housing composition based on census dwelling structure data.
97%
0%
0%
Walpole is predominantly houses (97%), making it well-suited for heat pump hot water installation. Most properties will have adequate outdoor space for a heat pump unit.
Heat Pump Adoption in Walpole 6398
Installation data from the Clean Energy Regulator.
51
Heat Pumps Installed
79
Solar Hot Water Systems
122
Solar Panel Systems
Walpole has 51 registered heat pump hot water installations. Combined with 122 solar systems, the postcode is increasingly shifting away from gas and grid-dependent hot water.
Why Install a Heat Pump in Walpole?
While Walpole experiences cooler winters, modern heat pumps are rated to operate down to -7°C or lower. COP may dip in the coldest months but annual savings remain substantial.
Modern inverter-driven heat pumps adjust their output to suit Walpole's cooler conditions, ensuring reliable hot water without excessive electricity use.
A typical 1.9-person household in Walpole could save approximately $483 per year by switching from a conventional electric hot water system. With a 180L system costing around $2,800 before rebates, and an STC rebate of $1,170 (Zone 2), your net cost is approximately $1,630 — paying for itself in around 3.4 years. After that, you save $483 every year for the system's 15+ year lifespan.
With a median household income of $41,288 in Walpole, the $1,630 after-rebate cost is a modest outlay for a system that eliminates gas or expensive electric hot water bills for 15+ years.
Hot Water Cost Comparison
| System Type | Annual Energy | Annual Cost | 10-Year Cost |
|---|---|---|---|
| Electric (resistive) | 2,254 kWh | $676 | $6,760 |
| Gas | ~1,803 MJ | ~$473 | ~$4,730 |
| Heat Pump Lowest cost | 644 kWh | $193 | $1,930 |
Estimates based on a 1.9-person household using ~95L of hot water daily. Electricity costed at $0.30/kWh. Actual costs vary by tariff and usage.
Recommended Tank Size for Walpole
A 150-200L heat pump suits most 1-2 person households.
150-200L
1-2 people
250-300L
2-4 people
315L+
4+ people
Heat Pump Rebates in WA
STCs provide an upfront discount of $800 to $1,000 for heat pump installations.
WA natural gas phase-out timelines make heat pumps increasingly relevant for gas hot water replacements.
Rebate values are indicative and subject to change. Confirm eligibility with your installer.
Popular Heat Pumps
How Heat Pump Installation Works
Hot water assessment
Household size, existing system type, and installation location are assessed to determine the right heat pump.
System selection and quote
Your installer recommends a suitably sized heat pump and provides a detailed quote including any applicable rebates.
Installation
Installation typically takes half a day to one full day, including removal of your old system and connection of the new heat pump.
STC paperwork and rebate processing
Your installer handles the Small-scale Technology Certificate paperwork and any state rebate applications on your behalf.
Frequently Asked Questions
How much hot water does a Walpole household use? ▼
A typical 1.9-person household in Walpole uses approximately 95L of hot water per day, based on an average of 50 litres per person.
How much does a heat pump cost in WA? ▼
Heat pump hot water systems in WA typically cost $2,000 to $4,500 before rebates and STCs. After applying available incentives, the upfront cost can drop significantly.
Will a heat pump work in Walpole's climate? ▼
Yes. While Walpole has cooler winters, modern heat pumps are rated to operate down to -7°C or lower. Annual savings remain substantial despite seasonal COP variations.
How noisy are heat pumps? ▼
Modern heat pump hot water systems operate at 40-50 dB, similar to a quiet conversation. Most units are quieter than a standard air conditioner. Check your local council's noise regulations for any placement restrictions.
What is the payback period for a heat pump in Walpole? ▼
A 180L heat pump system in Walpole costs approximately $2,800 before rebates. With an STC rebate of $1,170 (Zone 2), the net cost is around $1,630. At $483 annual savings versus electric hot water, the payback period is approximately 3.4 years.
Nearby Suburbs
Heat pump installers in suburbs near Walpole.
Related
Population and household data: ABS 2021 Census. Hot water estimates are based on 50L per person per day and an average electricity rate of $0.30/kWh. Actual costs vary by tariff, usage, and system efficiency.