Keilor in four facts
Built on cheap postwar land
Keilor stayed farmland until after World War II, then grew fast on cheap land. Victorian Places says housing spread out along Keilor Road from the 1960s, and the old Keilor municipality went from 3,248 people in 1947 to 29,519 in 1961.
Houses, not flats
At the 2021 Census, 86.8% of Keilor's homes were separate houses and 0.0% were flats. Only 9.1% were rented, so most decisions here are an owner's call, with no landlord or owners corporation in the way.
Colder than the city overnight
Bureau of Meteorology averages for Melbourne Airport give a July mean minimum of 5.8 degrees and a July maximum of just 13.4, against a 7.3 degree July night at Olympic Park. Summers still reach a January mean maximum of 27.0 degrees.
Down in the river basin
The old township sits in a basin of the Maribyrnong River, and the suburb's northern section is on the river's flood plain. On a low block, where the outdoor unit sits is worth a conversation.
What a whole-house job in Keilor looks like
Keeping the gas heater going. Energy Safe Victoria's advice is a service by a qualified gasfitter at least every two years. In a four-bedroom house with outlets in every room, ask them to check the airflow and the ducts while they're up there. Our Melbourne ducted heating service page covers what a good service includes.
Replacing it. The choice is another gas ducted heater or ducted reverse cycle, which heats and cools. Zoning matters in a big house: ActronAir describes dampers in the ductwork that let you heat the living areas and bedrooms separately. Budget for new ducts with reverse cycle, because the ACT Government says old gas ducts are too narrow for it.
Adding cooling. Some gas ducted heaters can take an add-on cooling unit through the same ducts. Rinnai says it depends on the age, model, capacity and condition of the heater and ductwork, and not every heater can. See add-on cooling.
Your part, and the licensed part
You can
- Clean or swap the return air filter as the manual says.
- Keep plants and stored gear clear of the outdoor unit.
- Write down when the heater locks out or the flame looks different, and tell the gasfitter.
Leave to a licensed installer
- Gas heater servicing and carbon monoxide checks (a licensed gasfitter).
- Anything that touches refrigerant (an ARC licence holder).
- New circuits or switchboard work (a licensed electrician).
What we'd do
If it were our Keilor house
Book a heater service in autumn and ask the gasfitter for a straight answer on its age and condition. If it's on borrowed time, get two quotes side by side: a new gas heater, and zoned ducted reverse cycle. Decide while the old one still runs, so you're not choosing in a cold snap.


