Energy Efficiency articles
10 articles in this category
Disconnecting from gas can save Perth households $800–$1,500/year. Here's how to sequence the transition from gas hot water, cooking and heating to fully electric, and what each switch actually costs.
Not all energy efficiency upgrades are equal. In Perth's climate, ceiling insulation, LED lighting, and heat pump hot water tend to have the shortest estimated payback. Here's a ranking of common upgrades by estimated payback for Perth households.
Perth has one of the highest evaporative cooler rates in Australia, but evap coolers stop working on humid days. Here's how the two systems compare on running costs, solar synergy, and Perth's specific climate.
Heat pump dryers use 50–70% less electricity than standard electric dryers. Here's how much you save in Perth, whether they work on solar, what they cost, and which brands are available in WA.
Most Perth households overpay on electricity because they don't know where the money is going. This self-audit shows you how to identify your biggest loads and where the fastest savings are.
Insulation is often one of the lowest-cost energy improvements for Perth homes, and most Perth homes have inadequate ceiling insulation. Here's what to check, what to install, and how it affects your solar system size.
Replacing halogen downlights with LED is one of the cheapest energy efficiency upgrades in most Perth homes: cheaper than solar, with a shorter estimated payback, and it reduces what solar needs to cover.
Solar thermal hot water systems were the standard recommendation for Perth for decades. Heat pump hot water systems have now overtaken them on cost, reliability, and flexibility. Here's the comparison.
Split systems cool rooms individually; ducted AC cools the whole house. Perth's hot summers mean you need one or the other. Here's how the two systems compare on cost, efficiency, and solar compatibility.
The average Perth home spends $100–$200/year on standby power: electricity consumed by devices sitting idle. Here's what's using it, how to measure it, and what to do about it.