Preparing Your Home for an Electrical Safety Inspection in Darwin

If you’ve got an electrical safety inspection coming up, the best thing you can do is be prepared. It’s not about impressing the electrician with a spotless house, but about making sure they can do their job without obstacles in the way.

In Darwin’s tropical climate, with its storms and humidity, a well-prepared home not only helps the inspection go smoothly but also ensures any problems are spotted and fixed before they turn into the sort of surprise you don’t want, like losing power halfway through cooking dinner for the lucky lady you’re trying to impress.

Whether your inspection is part of routine maintenance, a property sale, or a rental compliance check, here’s how to get your home ready and why it matters.

Understanding the Purpose and Scope of the Inspection

An electrical safety inspection is essentially a check-up for your home’s wiring and electrical systems. The inspector makes sure everything works properly, is safe, and meets the rules set by Australian Standards. This includes wiring, switches, power points, lights, and safety switches (RCDs).

They’re not just looking for obvious issues like frayed cords or broken plug sockets. They also hunt for hidden problems, such as overloaded circuits, loose connections, or old components that are well past their use-by date.

In Darwin, inspectors pay extra attention to how heat, humidity, and storms have taken their toll on your electrical system over the years. Tropical weather is great for mango trees, but not so friendly to circuits. Think of it like taking your car in for a service. The goal is not just to tick a box. It is to make sure everything runs safely and smoothly for years, so you don’t end up with a nasty shock, literally or figuratively.

Essential Pre-Inspection Homeowner Checklist (Visual Checks & Access)

You don’t need to be an electrician to prepare for an inspection. A few simple steps can save time and make the process easier:

Clear access to the switchboard: Make sure it isn’t blocked by furniture or boxes. Check lights and power points: Note anything that flickers, sparks, or doesn’t work. Small issues can point to bigger problems. Remove tripping hazards: Help your electricians by ensuring they won’t trip over plugs, cords, or toys. Unplug unnecessary appliances: This makes testing circuits safer and easier. Note existing issues: Are you experiencing power outages, tripping switches, or unusual smells? Jot it down so the inspector knows and can resolve the problem before it worsens.

You don’t have to fix anything before the inspection; that’s the professional’s job. However, being organised means you’ll get more value from their visit.

Key Electrical Components to Focus On for Darwin’s Climate

Darwin’s weather can be unforgiving, and certain electrical components are more vulnerable here than in cooler, drier parts of Australia. Outdoor fittings and wiring: Humidity, rain, and heat can wear down insulation and corrode fittings. Inspectors check outdoor lights, pool pumps, and any exposed wiring. Air conditioning: Worn parts or loose connections can be unsafe and increase energy bills. Safety switches (RCDs): Stormy weather makes these essential. They prevent shocks but need regular testing to ensure they work properly. Surge protection: Wet-season storms bring lightning and power spikes. Surge protectors prevent appliances from overheating or fires from starting. Inspectors will check if they’re working correctly. Switchboards: Older boards may struggle with today’s high-power appliances like split-system air conditioners or large fridges.

By focusing on these areas, you’re not just passing the inspection; you’re protecting your home and its occupants.

A good electrical inspection isn’t just another chore on your to-do list; it’s an investment in your home’s safety and your peace of mind. At Florance Electrical, we don’t just poke around your switchboard and leave.

We make sure to give your system a proper look-over, explain things in plain English, and suggest simple fixes that actually keep your home safe and working well. We won’t do a quick patch job; you’ll have to call us about it again next month.

We’ve seen the difference between a solid, high-quality installation and a cheap shortcut, and trust us, spending a little more now can save you a lot of headaches and money later. And don’t worry, we’ll never charge a cent more than what’s needed for parts and labour.

Need to book your inspection? Get in touch with us today for an appointment.

RCD Testing for Darwin Rentals: Compliance Tips for Landlords

If you own a rental property in Darwin, keeping your tenants safe is more than just good manners; it’s the law. One of the most important safety measures you need to keep an eye on is the Residual Current Device (RCD).

What is an RCD, we hear you ask? It’s the technical term for what most people just call a safety switch. It’s the small device in your switchboard that quickly trips and shuts off power if a faulty appliance or exposed wire starts sending electricity where it shouldn’t, preventing electric shocks or anything worse from happening.

These small devices might look like every other switch in the box, but they are lifesavers, literally. Regular testing of RCDs isn’t just a box to tick for compliance; it ensures that the switches actually work when a problem happens.

In this article, we’ll explain why RCDs matter, what testing involves, and how landlords can stay on the right side of the law without breaking a sweat.

The Importance of RCDs (Safety Switches) in Rental Properties

In rental properties, RCDs are even more important. You don’t always know how tenants will use electrical appliances, and older wiring can be unpredictable. Having fully functioning RCDs is one of the best ways to reduce accidents and protect everyone in the home. It’s a small investment for a potentially huge difference in safety.

Understanding RCD Testing Requirements and Frequencies

The law says RCDs must be tested regularly to make sure they actually work. For Darwin rentals, landlords should arrange a professional test at least every two years. Some landlords go a step further and check them yearly, which is a smart move if your property has old wiring and is used regularly.

Testing is simple for professionals who do it on a regular basis for many landlords and homeowners in the city, but it’s not something to do casually yourself unless you are confident. A technician will test each switch to make sure it trips correctly and reset it. Even a small delay in the RCD tripping can reduce its effectiveness, so proper testing isn’t something you should skip.

It’s a bit like checking your smoke alarms. You don’t want to discover they don’t work in an emergency. Testing RCDs on time keeps your tenants safe and keeps you on the right side of the law.

Clear Allocation of Responsibilities: Landlords vs. Tenants

Knowing who is responsible for what can prevent a lot of stress and confusion. Landlords are responsible for installing RCDs, making sure they are compliant, and arranging professional testing. Tenants should use electrical appliances responsibly and notify the landlord if they notice a problem, such as a switch that trips too often or doesn’t reset.

It’s also important to document everything. Keeping a record of RCD installations and test results protects you if there’s ever a dispute, inspection, or God forbid, an electrical fire.

Consequences of Non-Compliance and The Value of Professional Expertise

Skipping RCD testing or cutting corners can lead to big problems. Apart from putting tenants at risk, non-compliance can result in fines, insurance headaches, or liability if someone gets injured. Using a professional to test and maintain RCDs is worth every penny.

Experts know what to look for, can identify issues with the wiring that may not be immediately obvious to you, and ensure your property meets or exceeds standards. A well-maintained system not only keeps people safe but also reduces long-term costs.

At Florance Electrical, we specialise in Darwin rentals. We test, maintain, and replace RCDs so you can be confident your property is safe and compliant. Regular servicing keeps your tenants protected and your legal obligations covered.

RCD testing might sound boring, but it’s one of the most important ways to prevent accidents and give your tenants peace of mind that you have their safety interests at heart. A small effort now can prevent a big headache later.

Book a service with us today to make sure your rental property is safe and stays that way.

Understanding NT Smoke Alarm Regulations for 2025

If you live in the Northern Territory, you probably already know, fires can happen in the blink of an eye here, and the new 2025 smoke alarm rules are designed to make sure you’ve got the best warning possible. Think of it like upgrading from an old flip phone to a modern smartphone: it’s not just about keeping up with the times; it’s about having better features, but, in this case, they could literally save your life.

The changes cover the type of alarm, where they go and how they’re powered. It’s not hard to follow once you know what’s what, and it’ll give you peace of mind whether you’re cooking up a delicious meal for your family or ironing a work shirt.

Mandatory Alarm Types and Power Sources: Photoelectric is Key

In 2025, every smoke alarm in your home must be photoelectric. In plain terms, these are the ones that are really good at spotting slow, smoky fires that can fill your place with dangerous smoke before you even see a single flame flicker. They’re also less likely to go off every time your kids distract you; meanwhile, your toast is getting turned into cinders.

Power-wise, you’ve got two choices: alarms that are hard-wired into your home and stay on standby thanks to batteries or alarms that must be replaced every 10 years when their battery depletes. Either way, they’ll keep working even if the power’s out, which, in Darwin’s storm season, is a matter of “when” as opposed to “if.”

Strategic Placement and Essential Interconnection

A smoke alarm installed in the wrong spot is about as useful as a beach umbrella in a cyclone. The law says you need one in every bedroom, in hallways outside bedrooms, and on every level of your home. No hallway? Then it goes between the bedrooms and the rest of the house.

But the most important thing is that they all need to be connected. That means if one goes off, they all do. So, if a fire starts in the kitchen while you’re asleep at the other end of the house, you’ll know about it instantly. No more relying on your nose or hoping the dog will wake you.

Understanding Responsibilities: Homeowners, Landlords, and Tenants

If you own your home, you’re the one who has to make sure your alarms are compliant and working. If you’re a landlord, you’ve got a bit more on your plate. You are responsible for installing the right alarms, keeping them working, replacing the batteries, and swapping out any alarm that’s over 10 years old or faulty.

Tenants, you should know that you’re not off the hook either. Your job is to let the landlord know if an alarm isn’t working and to never remove or disable one. Yes, that includes when you’ve had an incident in the kitchen involving what was once a slice of wholemeal bread. Don’t pull the battery just because it’s annoying you. That’s exactly how you end up with no warning when you actually need it.

Special Considerations: Caravans and Solar Battery Systems

Got a caravan or campervan you sleep in? You need a photoelectric alarm there too. Fires in small spaces spread frighteningly fast, so you want as much warning as possible to get you and your loved ones out quickly.

If you have a solar battery (the box that stores your extra solar power), it’s smart to think about putting a smoke alarm close to it. While it’s not currently a legal requirement, having an alarm nearby as a precaution can help you get away quickly if a fire starts due to a system fault or a battery that has overheated. These issues may be rare, but they can happen, and when they do, they can end what is supposed to be a fun family holiday way too quickly.

Think of it like keeping a spare tyre in the boot. You might go years without needing it, but the one time you do, you’ll be very glad it’s there. Adding a smoke alarm near your solar battery is just another layer of protection for your caravan and your peace of mind.

Staying Safe and Compliant

The 2025 rules aren’t about making life harder; they’re about giving you more time to get out safely if the worst happens. Fires won’t wait around for you to grab your shoes or finish your coffee. The right alarms, in the right places, all connected, and powered properly, can make all the difference between life and death.

At Florance Electrical, we make it easy. We can check your home, install top-quality photoelectric alarms, position them where they’ll work best, and connect them. That way, you’ll know you’re not just ticking a legal box, you’re keeping your home and family safe.

Don’t leave things to chance and risk ending up on the wrong side of the law or worse, being stuck in a fire you can’t escape. Give us a call, and we’ll make sure you’ve got the right protective legal measures in place.

Signs Your Split-System AC Needs Servicing Before It Fails

In Darwin, a working air conditioner isn’t just a luxury; it’s essential for surviving the intense heat. Split-system air conditioning (AC) units are great at keeping your home cool, but like any machine, they need regular maintenance to keep them in great working order. Ignoring small problems can turn a minor hiccup into a major headache, leaving you sweating in the wet season or overheating in the dry.

The good news is, there are some clear signs your AC needs a service before it breaks down completely. Catching them early can save money, stress, and a lot of uncomfortable evenings.

Performance and Efficiency Changes

One of the first signs that something is off is a change in how your AC performs. If it’s taking longer to cool your home, or the air doesn’t feel as cold as it used to, that’s a warning you shouldn’t ignore. You might notice the system running almost constantly, but the temperature barely drops. This could mean that you’ve got dirty filters or clogged coils on your hands. Luckily, these are all things that a quick service can fix.

Another hint is a spike in your electricity bill. If your usage appears to be higher than usual but your lifestyle hasn’t changed, your AC might be working harder than it should just to deliver the same cooling. It’s like running a marathon with a backpack full of bricks. Something will give eventually.

Unusual Sensory Indicators (Sounds & Smells)

Pay attention to what your AC sounds and smells like. Strange noises, such as rattling, hissing, or banging, are a red flag. Sometimes, loose parts or debris inside the unit can be culprits causing the racket and ignoring it can lead to more serious damage.

Smells are another clue. A musty or burning odour when you turn the AC on is not normal. Mustiness often comes from mould growing in damp areas like coils or drip trays, while a burning smell could signal an electrical fault. Either way, these aren’t smells you want to pretend you didn’t notice, and you definitely don’t want to be masking them with air freshener. They need professional attention, fast!

Visible Issues and Leaks

If you can see ice forming on or around the indoor unit of your AC, that is a clear sign that something is wrong. Ice usually means the unit is not moving air in the way it should, or the air is not flowing through it properly. Either way, it needs checking.

Water on the floor or around the unit is another signal that something isn’t working properly. That water usually comes from the small pipe that extracts moisture. If that pipe is blocked or the part that moves the water is not working, the water will spill out. Even a small puddle can cause damage to floors or walls, so do not ignore it because you’ll have more issues on your hands, such as mould and foul smells, among others.

Also, look at the vents and the area around the unit. A little dust is normal, but if the vents are covered in dirt, the air cannot move well. When the air cannot move, the AC works harder and wears out faster. Think of trying to breathe through a pillow — it is hard for you, and it is hard on the AC too.

If you see ice, water, or a lot of dirt, call a qualified technician to have a look before the problem gets worse.

Keep Your Cool with Regular Servicing

Split-system ACs are reliable, but they aren’t invincible. If you notice any of those performance issues, weird noises or smells, or visible issues, it’s time to call a professional. Regular servicing keeps your system running efficiently, prevents breakdowns when you rely on your AC the most, and extends its life.

At Florance Electrical, we help keep homes in Darwin cool and comfy. We check your split-system AC, clean it, and make sure everything is working properly. We fix little problems before they turn into big, expensive headaches. A well-looked-after AC uses less power, costs less, and keeps you feeling cool when the weather heats up.

Book a service today and keep your home perfectly chilled, no matter what the wet season or dry heat throws at you.

Solar Performance in Darwin’s Wet Season: Myths vs Reality

Darwin’s wet season often brings heavy rain, overcast skies, and the occasional lightning show. This can be worrying for many homeowners, who rely on solar energy to generate electricity. The truth is, solar power doesn’t disappear just because the clouds roll in.

It just works a little differently, and with the right setup, you can still get excellent energy performance, even when it’s pouring down with rain. Let’s look at the myths and realities of solar power during Darwin’s wet season.

Dispelling the Myth: Solar Panels Still Work in the Wet Season (Just Differently)

A lot of people think that once it starts raining, their solar panels pack up and call it a day. That’s not true. Panels work on daylight, not just direct sunlight, so even on cloudy days, they’re still making power — just not as much. On an overcast day, you might get 10–25% of your usual output. Not full power, sure, but often enough to keep the essentials running.

Here’s the funny part — rain can actually help. It gives your panels a good rinse, washing off the dust, bird droppings, or leaves that might have built up in the dry season. So, while a tropical downpour might slow things down for a bit, your system is designed for this. And with a battery to store the extra power from sunny days, you’re not going to be tripping over extension cords or lighting candles (unless you really want to).

Optimising Your System: Panel Technology, Installation, and Smart Usage in a Tropical Climate

You might be forgiven for thinking that all solar panels look and perform the same, but that couldn’t be further from the truth. Panels with higher efficiency ratings produce more electricity when there is less natural light available, while durable, tropical-grade panels are built to withstand heavy rain, humidity, and wind without getting damaged.

Installation matters just as much as the types of panels you choose. Even a great panel won’t perform if it’s installed at the wrong angle or shaded half the day by a big mango tree. The goal is to catch as much light as possible, even when the sun’s playing hide-and-seek. A proper installer will figure out the best position for your solar panels depending on the type of roof you have and the local climate. Make sure you look at reviews to get a good idea of whether they’re the right people for the job.

And don’t forget how you use your power matters too. If you know there’s a sunny patch in the afternoon, that’s the time to run the washing machine or dishwasher. Pair that with a good battery, and you can keep your home running well without relying too much on the grid.

The Wet Season Doesn’t Have to Leave You in the Dark

The wet season might change how your solar system works, but it doesn’t mean you’ll be sitting there listening to the rain in complete darkness. Understanding what your panels can do in cloudy weather, making smart use of your battery, and having the right system in place make all the difference. With a little planning, you can ride out the season without a bump.

At Florance Electrical, we design, install, and maintain solar systems that are built for Darwin — not just “Australian conditions” in general. We use high-quality, tropical-rated panels, match them with batteries that can handle seasonal changes, and install them the right way so you get the most out of your investment. Plus, our ongoing support means you’re not left guessing if your system is running as it should. Reach out to us to see how we can help your home stay powered this wet season.

Solar Battery Maintenance Tips for Northern Territory Homes

Living in the Northern Territory means you’ve got plenty of sunshine, making solar energy a smart choice for powering your home. But the Territory’s heat, humidity, and surprise storms can be as tough on your solar battery as they are on your lawn in the middle of a dry summer. A little extra TLC will keep it performing at its best.

A well-maintained battery not only lasts longer but also stores more energy and gives you a better return on your investment over time. Here are some practical tips to help you enjoy reliable solar power for years to come.

Regular Physical Maintenance and Cleaning

A solar battery is often tucked away in a garage, shed, or utility room, which makes it easy to forget about. Out of sight, out of mind, definitely applies in this case. A quick monthly check could save you the headache (and the bill) of fixing a preventable issue.

Start by checking the outside of your battery and keep an eye out for any cracks, bulges, or rust on the metal connections. These can be early signs that something is wrong. Keep the battery and the area around it clean from dust, dirt, and rubbish. In the Northern Territory, dust can build up in the dry season and mould can grow in the wet season, which can stop the battery from cooling properly, eventually causing complete failure.

If your battery’s outside, check for insect nests or small animals moving in. They’re not paying rent, and they might be chewing wires. Seal any gaps to keep them out. And when cleaning, stick to a soft, dry cloth. Don’t use harsh chemicals or rough scrubbing pads, or you might scratch the surface of the battery.

Optimal Environmental Conditions and Temperature Management

Batteries work best in cool environments. Unfortunately, “cool” and “Northern Territory” don’t always go together. If your battery overheats, its parts wear out faster, which means it can stop working altogether.

Inside installations should be kept in a well-ventilated area, away from hot water systems, ovens, or direct sunlight. Outdoor units should have shade and weather protection, while also letting in some airflow.

Humidity in the wet can also cause corrosion. Good airflow helps keep things dry, so don’t box your battery in like a Christmas present that’s too well wrapped and you can’t open.

Effective Battery Management and Performance Monitoring

Most modern batteries come with a monitoring app or panel. It’s worth checking regularly, even if you’re not a “tech person”. Keep an eye out for drops in storage capacity or slower charging times, as these can be early signs your battery could be on its way out sooner rather than later.

Avoid letting the battery drain to zero or overcharging. Both stress it out and shorten its life. Premium batteries often manage this automatically, but it still pays to know what your settings do.

The best systems provide detailed performance stats — a bit like your parents on a weekly video call, sharing every little update about their week. Catching small issues early will save you from parting with too much of your hard-earned cash later.

Professional Servicing and System Updates

Even if your battery looks fine from the outside, it’s worth having a licensed electrician check it once a year. They can run diagnostics, test wiring, and update software, which are all things that keep your system safe and efficient.

This is also a good time to ask about upgrades. New software or parts can improve performance, make the battery last longer, and increase safety.

At Florance Electrical, our failure rate is less than a third of the industry average because we choose quality parts, install them with care, and back it all up with clear, ongoing support. For us, it’s not just about installing a battery; it’s about making sure it keeps working for years to come.

Keep your solar battery running at its best. Contact us today to book a professional check-up and enjoy peace of mind year-round.

Do I Need an Electrician to Replace Hardwired Smoke Detectors?

When it comes to ensuring the safety of your home, few devices are as crucial as smoke detectors. Hardwired smoke detectors, in particular, provide a reliable line of defence against fire hazards, connecting directly to your electrical system for uninterrupted power. However, when it comes time to replace these vital devices, many homeowners find themselves asking: “Do I need an electrician to handle this?” In this comprehensive guide from Florance Electrical, we’ll delve into the intricacies of hardwired smoke detectors and explore the factors that might necessitate professional assistance. From safety considerations and legal requirements to the complexity of installation, we’ll equip you with the knowledge to make an informed decision. Whether you choose to handle the replacement yourself or enlist the help of a skilled electrician, understanding your options is key to maintaining a safe living environment. Let’s get started!

Hardwired smoke detectors are an essential component of many modern homes, providing enhanced safety and reliability compared to their battery-operated counterparts. Understanding how these devices operate, their benefits, and their specific components is crucial for any homeowner considering replacement or installation.

Hardwired smoke detectors are interconnected alarm systems that are directly wired into a home’s electrical system. Unlike battery-operated smoke detectors, which rely on batteries for power, hardwired detectors draw electricity from your home’s electrical supply. This means they can provide a constant source of power and are less likely to fail due to dead batteries. Many hardwired systems also include a battery backup, ensuring they continue to function during power outages.

There are several types of hardwired smoke detectors, each with its own unique features and benefits:

Combination Detectors:

Some hardwired smoke detectors combine both ionisation and photoelectric technologies, offering comprehensive fire detection capabilities. This dual approach provides a broader range of protection against different types of fires.

Ionisation Smoke Detectors:

These detectors are more responsive to flaming fires that produce small combustion particles. They contain a small amount of radioactive material that ionises the air in a sensing chamber, allowing it to detect smoke particles quickly.

Photoelectric Smoke Detectors:

These devices are more effective at detecting smouldering fires that produce larger smoke particles. They work by using a light beam that is scattered by smoke particles in the sensing chamber, triggering the alarm.

Evolution of Electrical Systems in Australian Homes

Electrical systems in Australian houses have changed dramatically since electricity was first widely installed. Modern life relies on what was once a luxury for the affluent, powering lights, appliances, communication gadgets, and entertainment systems. Technological advances, energy demand, and energy efficiency and sustainability have shaped Australian residential electrical systems. This article examines the evolution of Australian residential electrical systems and the elements that will influence them.

Before electricity became widely available, Australian households relied on gas lights, candles, and fireplaces for lighting, while cooking and heating were powered by wood or coal stoves. Australian households got electricity in the late 19th century, starting with street lights and industrial areas. Electric lighting replaced gas lights in Melbourne and Sydney in the 1880s, marking the first breakthrough.

However, early domestic electrical networks were rudimentary and unstable, meaning only the affluent could afford electric lighting.  Early systems used tiny, inefficient generators that needed human operation. Heating, cooking, and other essentials were still powered by external sources in most households.

In the early 1900s, the establishment of State Power Commissions in several Australian states led to significant growth in power infrastructure. As power became more available, grid-connected dwellings proliferated. National and regional power systems made electricity commonplace in many Australian households by the 1920s and 1930s, especially in remote locations.

This period marked a significant shift, with electricity becoming increasingly integral to daily life, laying the foundation for the development of modern home appliances and further technological advancements.

Electrical system expansion raised safety and energy concerns. In response, safety devices like Residual Current Devices (RCDs) were introduced. This safety gadget detects electrical imbalances and cuts power, reducing shocks and fires. By the 1980s, RCDs had become a common feature in Australian homes, greatly improving electrical safety. This period also saw a growing focus on energy efficiency, as the need to manage increasing electricity consumption became more apparent.

As the digital revolution changed how Australian houses utilised energy, electrical systems evolved in the 1990s and 2000s. Computers, the internet, and digital entertainment devices increased power consumption. Homes are required to fit computers, TVs, cellphones, tablets, and other connected gadgets in addition to basic appliances.

As a result, Australian homes required additional power outlets, higher-capacity circuit breakers, and improved wiring to keep up with these new demands. Uninterruptible Power Supply (UPS) systems became increasingly important, especially for homes that relied heavily on electronics for business or entertainment, ensuring consistent power and protecting valuable equipment from outages.

As Australia prioritised sustainability, domestic electrical systems promoted energy efficiency and renewable energy. Solar panels grew popular in the 2010s as homes explored ways to reduce grid dependency and carbon emissions. Solar power systems with battery storage let residences generate and store electricity, reducing energy expenses and fossil fuel consumption.

As renewable energy sources like wind, hydroelectric, and solar gained traction, Australian families embraced more sustainable energy solutions. The integration of renewable energy into residential electrical systems also spurred the development of energy-efficient appliances, smart thermostats, and real-time, data-driven home automation systems, all of which work together to optimise energy use and improve sustainability in the home.

Future Australian domestic electrical systems will prioritise efficiency, sustainability, and smart technology. Growth is expected in smart grids and power company-homeowner communication. These systems let homes optimise energy consumption, take advantage of off-peak costs, and sell excess energy to the grid.

Weather, occupancy, and energy demand will trigger real-time energy usage adjustments in future electrical systems using AI and machine learning. This method will improve domestic energy efficiency, reducing waste and costs.

Australian domestic electrical systems have developed owing to technology, energy usage, and environmental awareness. Electrical systems have progressed from basic to smart, sustainable homes. Future advances in renewable energy, smart technology, and energy efficiency will make Australian homes more energy efficient.