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Household retrofit trials

Kitchen in a modern house

Sustainability Victoria conducts trials to test the effectiveness of measures that can be taken by householders to modify – or retrofit – existing appliances or circumstances to improve their energy effiency.

Cover - Energy Efficiency Upgrade Potential of Existing Victorian Houses Sep 2016

Energy Efficiency Upgrade Potential

This report provides insights into the cost effectiveness of 21 different energy efficiency upgrades and the outcomes.

Cover - Cavity Wall Insulation Retrofit Trial Sep 2016

Cavity Wall Insulation Retrofit Trial

This report looks at the impact that installing insulation had on the thermal comfort of houses during winter and on their heating energy consumption.

Cover - Clothes Dryer Retrofit Trial PDF December 2016

Clothes Dryer Retrofit Trial

The trial found that replacing electric clothes dryers with heat pump dryers was cost effective for households with high dryer usage.

Cover - Draught Sealing Retrofit Trial Sep 2016

Draught Sealing Retrofit Trial

This report shows that comprehensive draught sealing is an effective strategy to reduce heating energy consumption in Victorian houses.

Cover - Gas Heating Ductwork Retrofit Trial Sep 2016

Gas Heating Ductwork Retrofit Trial

This report, based on a study of eight houses, looks at the impact of replacing old ductwork with new high efficiency ductwork.

Cover - Gas Water Heater Retrofit Trial PDF December 2016

Gas Water Heater Retrofit Trial

This trial achieved average energy savings of 18.8% for an average payback period of 10.3 years.

Cover - Halogen Downlight Retrofit Trial Sep 2016

Halogen Downlight Retrofit Trial

This report shows that replacing existing 12 volt halogen downlight lamps with low energy downlight lamps can significantly reduce lighting energy consumption.

Cover - Refrigerator retrofit trial February 2017

Refrigerator Retrofit Trial

In this trial, old refrigerators were replaced by a high efficiency model, achieving significant energy savings.

Cover - Swimming Pool Pump Retrofit Trial PDF December 2016

Swimming Pool Pump Retrofit Trial

In this trial old single-speed pool pumps were replaced with new high efficiency three-speed pumps to assess the impacts.

Cover - Window Film Secondary Glazing Retrofit Trial February 2017

Window Film Secondary Glazing Retrofit Trial

This report looks at the use of special heat shrink films applied to the frames of existing windows to create a double glazing effect.