Staying Warm on a Budget: Expert Tips for Renters and Cost-Conscious Households

As winter temperatures drop, many households face the challenge of staying warm without driving up energy costs. For renters, who may not be able to install permanent heating solutions or make structural changes, the task can be even more daunting. However, experts suggest that focusing on affordable, temporary measures—and even on heating the body rather than the entire room—can make a significant difference.

The Simple Power of Clothing

One of the most cost-effective strategies is to dress appropriately. Dr. Cheryl Wilson, a former associate professor in clothing and textile science at the University of Otago in New Zealand, explains that the key to warmth lies in trapping air close to the body. "If we're thinking about warmth, what we want to focus on is the air that is trapped in the [clothing] system," she says. Wool, she notes, is particularly effective because it has "lots of fibrous extensions" that trap air and also absorbs moisture, preventing that clammy feeling that can make you colder. "Wool has excellent insulating properties," she adds, noting that it acts as a "smart buffer" against changing environmental conditions. If wool isn't available, Dr. Wilson recommends synthetic fleece, which imitates wool's air-trapping qualities. Layering clothing also helps, as it creates extra pockets of trapped air, and wearing wool or fleece layers can keep you warm without needing to crank up the thermostat.

Blocking Draughts: The First Line of Defence

Chris Barnes, a heating expert from consumer group Choice, points to air leakage as a major source of heat loss in Australian homes. "Air leakage from under doors and around windows is a big problem," he says. A simple way to identify these drafts is to walk around with a lit incense stick. "Put it around the doors and the windows and just see where that smoke flutters. Where's the air actually coming in and going out? And then you know where to target with door snakes," he explains.

Door snakes—long fabric tubes often filled with sand—can be placed along the base of doors to block cold air. They are inexpensive, typically costing between $4 and $20, and can often be found at op shops. For window gaps, weather strips (rubber seals) are highly effective and cost about $6 to $20 at hardware stores. Jenny Edwards, a scientist working on energy-efficient homes in Canberra, emphasises that addressing these "obvious leaks" can instantly improve comfort.

Visualising Heat Loss with Thermal Cameras

If you're still feeling chilly after sealing obvious gaps, Mr. Barnes suggests investigating where cold spots are in your home. "A lot of councils, through their local library networks, offer thermal cameras as a rental, or maybe just as a free service to ratepayers," he says. A thermal camera can reveal exactly where heat is escaping, allowing you to target your efforts more precisely—whether that means adding more insulation or repositioning furniture.

Additional Low-Cost Heating Tricks

Beyond clothing and draught-blocking, experts recommend a few other simple measures. Placing rugs on hard floors can insulate the room and reduce heat loss through the floor. DIY pelmets—made from fabric or even a scarf—above curtains can prevent warm air from escaping through window gaps. Bubble wrap applied to windows can act as a temporary insulating layer, and magnetic window insulation can mimic double-glazing effects. Ceiling fans set to reverse mode can also help by pushing warm air that rises back down into the room.

When it comes to heating devices, Mr. Barnes notes that reverse-cycle air conditioners are generally cheaper to run than portable electric heaters, making them a more efficient option if you have access to one.

The Bottom Line

For those on a tight budget or living in rental properties, staying warm in winter doesn't have to mean high energy bills. By focusing on trapping heat close to your body, blocking drafts, and using simple, low-cost insulation hacks, you can significantly improve your comfort. As Dr. Wilson puts it, the goal is to "heat the humans inside" rather than the whole house—a smart and economical approach for the colder months.


This article was compiled based on expert advice from Dr. Cheryl Wilson, Chris Barnes, and Jenny Edwards, as reported by ABC Australia.