Fast read
An energy audit helps pinpoint inefficiencies in your home, potentially reducing energy bills by 25% or more. While professional audits offer detailed insights, a DIY audit is achievable using simple household items and can effectively highlight areas for improvement, such as insulation gaps, drafts, and inefficient appliances.
Australian homeowners can also benefit from government incentives for energy efficiency upgrades.
What exactly is a home energy audit?
A home energy audit is a thorough inspection designed to identify where your home wastes energy. It pinpoints inefficiencies like drafts, poor insulation, outdated appliances, and heating or cooling
issues. Think of it as a health check-up for your home’s energy performance, revealing where improvements can save you money and boost comfort.
Is an energy audit really worth it?
Absolutely—home energy audits can significantly reduce your energy bills, often by as much as 25%, sometimes more. Australian homeowners frequently find hidden opportunities for savings, improved home comfort, and reduced environmental impact. Identifying drafts, insulation issues, or inefficient heating and cooling systems enhances livability and contributes positively to sustainability.
Should I hire a professional or can I do it myself?
Professional energy auditors use specialised equipment like thermal imaging cameras and blower-door tests, providing detailed reports ideal for older or more complex Australian homes. These audits are sometimes subsidised through state government incentives.
However, a DIY energy audit remains highly beneficial, offering substantial savings without professional costs. With basic household tools, you can uncover significant energy-saving opportunities yourself, especially useful if you’re comfortable performing basic maintenance tasks.
How to perform a DIY home energy audit?
Check your home’s insulation
Inspect your roof cavity, accessible walls, and underfloor areas for sufficient insulation. Australian homes often suffer from inadequate insulation, significantly impacting energy efficiency and comfort.
Detect and seal drafts
Identify air leaks around doors, windows, and power outlets using a lit incense stick or a dampened hand. A noticeable draft indicates energy leakage. Seal these leaks with weather stripping or caulking to enhance comfort and reduce energy waste.
Inspect heating and cooling systems
Assess whether your air conditioners, heaters, and ducts are clean, well-maintained, and efficient. Dirty filters or poorly maintained units increase energy consumption significantly. Brands like Daikin or Mitsubishi Electric are common efficient options in Australia.
Upgrade lighting and appliances
Evaluate lighting and appliances—switching to LED bulbs and energy-efficient appliances can offer rapid savings. Appliances with higher energy ratings typically pay for themselves quickly through reduced energy bills.
Analyse your electricity bills
Review your recent electricity bills to spot unusual spikes or patterns. Unexpected increases often indicate inefficient equipment or hidden energy leaks.
Essential DIY audit tools
You don’t require sophisticated equipment; basic household items suffice. Have a torch, ladder, screwdriver (to inspect insulation and gaps), incense sticks (for drafts), and a notebook handy. Optionally, a power meter—borrowed from local libraries or purchased at hardware stores—can measure appliance energy consumption directly.
Common mistakes and risks
The most frequent mistake during a DIY audit is overlooking minor leaks or insulation gaps. Even small inefficiencies collectively create significant energy losses. Thoroughness is essential.
Also, ensure adequate home ventilation. While sealing improves energy efficiency, maintaining healthy airflow prevents condensation, mould, and preserves indoor air quality.
Government incentives for Australian homeowners
Australian states regularly provide incentives or rebates for energy audits, insulation improvements, and appliance upgrades. Check resources such as energy.gov.au or your state government’s energy department website for available incentives.
When to engage a professional
Consider a professional energy audit if your DIY inspection reveals extensive insulation issues, complex HVAC inefficiencies, or electrical safety concerns. Accredited auditors provide deeper insights, prioritising repairs or upgrades effectively for maximum energy savings and comfort.
Conclusion
Conducting an energy audit, even independently, is certainly worthwhile. Beyond saving money, you’ll enhance your home’s comfort, safety, and contribute meaningfully to environmental conservation. If you need further guidance, Your Energy Answers connects Australian homeowners with accredited local experts who offer personalised, trusted advice tailored specifically to your home.
