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Many Victorian homes have windows, doors and vents that do not seal tightly, allowing hot or cool air to escape.

Installing weather sealing products prevents air from escaping, keeps the temperature of your home easier to control, and requires less energy to keep you comfortable.


All Victorian households that want to seal their household windows, doors, chimneys and vents are eligible to participate.

Your participation is voluntary.

Available upgrades

You can:

  • seal your doors
  • seal your windows
  • replace or modify your ceiling or wall fan
  • seal an unsealed wall vent
  • seal a temporary chimney
  • seal a permanent chimney
  • seal an evaporative cooler vent.

Note: Sustainability Victoria has tips on how to find and fix draughts to make your home more comfortable and energy efficient.

Households with gas heating

Burning gas can release dangerous gases and requires a supply of fresh air to operate safely.

Some gas heaters (flueless gas heaters installed in chimneys and open flued gas heaters) draw this fresh air from the room and therefore need ventilation. For more information on ventilation for gas heaters, see the Energy Safe Victoria website.

Installing weather sealing products in houses with these gas heaters may not be recommended. Instead, seek advice from your accredited provider on your home's suitability for weather sealing.

For all households with gas heating, it is recommended your gas heater is serviced at least every 2 years to ensure it is operating safely.

How to organise a weather sealing installation upgrade

To organise a weather sealing installation upgrade, you must work with an accredited provider. Accredited providers deliver or facilitate upgrades under the VEU program.

To check if a person or business is an accredited provider go to the Essential Services Commission's VEU Registry of Accredited Persons and:

  • select the 'Business name' drop-down menu
  • scroll until you see the accredited provider you are searching for.

Tips when organising a weather sealing installation upgrade

  1. Shop around. As with any market, it’s worth shopping around and finding the right fit for your needs.
  2. Ensure the product's suitability. To get a rebate, you must install an approved product. Search the Essential Services Commission register of products for approved products.
  3. Accredited providers operate freely like any other businesses and can choose what upgrades they deliver, with some keeping waiting lists for activities and may contact you if circumstances change.

Remember to do your research on products. Not all products are of the same quality or suitability for all working environments.

How much rebate to expect?

Indicative rebates for different homes and options


Example upgrade2-year min warranty5-year min warranty
1 external door, 1 exhaust fan and 4 ceiling outlets$60$120


Example upgrade2-year min warranty5-year min warranty
2 external doors, 2 exhaust fans, 8 ceiling outlets and 1 chimney$240$540


Example upgrade2-year min warranty5-year min warranty
4 external doors, 3 exhaust fans, 12 ceiling outlets, 1 chimney$300$660

*Discount or rebate will vary. These figures are based on a certificate price of $60 and potential upgrade scenarios under the program.

The final price will depend on several factors including:

  • certificate price
  • type and size of upgrade
  • location
  • installation costs
  • administrative costs by accredited providers.

Find an accredited provider in your area

Page last updated: 10/02/23