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Austinmer House 2025

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Austinmer House

Austinmer House

Original house design was constrained by limited building envelope reflecting Council heritage requirements, resulting in sub-optimal solar orientation and roof style (garage takes prime solar orientation; steep roof a challenge to installation of solar panels).

Energy efficient retrofits comprise:
• Upgrade of 3kW solar system (originally installed in 2017) with a 10kW system with split array and micro inverters, in Dec 2023.
• Installation of heat pump and induction cooker, enabling gas account to be closed in early 2024.
• Installation of 13.5 kWh battery in Jan 2025
• System supports two EV’s – one full EV, the other a PHEV (plug-in hybrid)
• Solar lights along driveway and parking area.

Other features of interest:
• The original solar installer (2017) subsequently rebirthed as another business, so we couldn’t claim on the 10-year product warranty on the panels when one of the two panel arrays malfunctioned within 5 years of installation.
• The current 10kW solar system only delivers a maximum of 6kW due to roof orientation and tall trees on northern side of house.
• The current system typically produces 40kWh on sunny days in summer (only 10kWh if overcast all day); and 12kWh on sunny days in winter (only 5kWh if overcast).
• We do not have a fast charge (DC) facility for the EV’s and only charge the EV’s via trickle charge to maximise use of off grid power.
• Given limited building envelope and space available for water tanks, the house features two interconnected slimline tanks on each side of the house.

Sustainability Features

Years Open
2025
ENERGY AND WATER EFFICIENT FEATURES
INSULATION SPECIFICATIONS
RENEWABLE ENERGY SPECIFICATIONS
COSTS AND COST SAVINGS
HOUSE DESIGN SPECIFICATIONS
GARDEN AND WASTE REDUCTION
HEALTHY HOME FEATURES
Location
Austinmer NSW 2515

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Important Information

You will need to book a ticket for a specific tour time. This is due to capacity restraints set by the homeowner to ensure the safety of all parties on the day. If you do not arrive at this time you will not be able to tour the home.

YOU WILL NOT BE ABLE TO PURCHASE TICKETS AT THE HOME.

The exact house address will be emailed to you in the days before the event. Suburb and postcode information is displayed on your ticket.
Renew is a small not for profit organisation that needs to raise money from ticket sales to cover the costs of hosting this event. In some cases the ticket revenue may also be split with the homeowner.

Terms and Conditions

In respect of the homeowners who generously open their homes and share their knowledge we ask that visitors observe these courtesies. By purchasing a ticket you agree these terms and conditions.
By purchasing a ticket, visitors agree to comply with the event terms and conditions to ensure a safe, respectful, and enjoyable experience for all attendees and participating homeowners.

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