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Running Caravan Air Conditioners: Generator Sizing & Setup
For running a caravan air conditioner, an inverter generator is the recommended choice. Unlike conventional generators, inverters provide "clean" power (a pure sine wave) that is safe for sensitive electronic components found in modern air conditioning units and other appliances. When selecting a generator, prioritize the following: Sizing (Wattage): Air conditioners have high "starting" (surge) watts when the compressor kicks in, which is often 3–6 times their running wattage. A generator in the 2.0kW to 4.5kW range is typically required to handle this surge comfortably. Always check your specific AC unit’s label for its starting and running requirements. Noise Levels: Since you will be using this at campsites, look for low-noise ratings. Modern inverter generators are designed to be significantly quieter than traditional open-frame models. Portability & Features: Features like wheels, handles, and remote or electric start can make daily use much easier. When selecting a generator for your caravan air conditioner, performance can be affected by more than just raw wattage. Here are the critical environmental and operational factors to keep in mind to ensure you have enough power when you need it most. Environmental Performance (De-rating) Generators produce less power in high heat, humidity, or at high altitudes. Heat Impact: As ambient temperatures rise, engine performance decreases. A good rule of thumb is to allow for a 1.5% decrease in output for every 5°C above 25°C. For example, on a 45°C day, your generator may output 6% less power than its rated capacity. Altitude: Operating at high elevations will further de-rate your generator’s output, meaning you should account for these drops when sizing your unit. Extension Lead Length In extreme heat, the length of your power cable matters. It is recommended to use a short lead (3–4 meters maximum) from the generator to your caravan. Using a longer cord can cause voltage drop, which may lead to issues starting your air conditioner's compressor. Factoring in Other Appliances Your generator needs to handle more than just the air conditioner. You must account for the total load of every device running simultaneously, such as: Battery chargers Refrigerators Lights and TVs If your generator is sized only for the air conditioner's surge, it will likely overload if you try to run your battery charger or other appliances at the same time. Recommendation Because of these variables, it is always a smart investment to opt for a generator with extra capacity beyond the peak draw of your air conditioner. This "headroom" ensures your system remains reliable, even on the hottest days or when you have multiple devices connected.
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Can I run a generator indoors?
No, you should never operate a generator indoors. Operating a generator inside your home, garage, basement, crawl space, or even near open windows and doors is extremely dangerous. Fuel-burning generators produce carbon monoxide (CO), a colorless, odorless, and tasteless gas that can be fatal in minutes. Why It Is Unsafe CO Buildup: Carbon monoxide accumulates rapidly in enclosed or semi-enclosed spaces. Because it is undetectable by human senses, it can overcome you before you realize there is a problem. Insufficient Ventilation: Standard home ventilation systems are not designed to exhaust the high volume of toxic fumes produced by a generator engine. Fire Hazard: Generators require significant airflow for cooling. Placing them in a confined area can lead to overheating and pose a serious fire risk. Safe Practices Outdoor Use Only: Always place your generator at least 6 meters (20 feet) away from your home, directed away from windows, doors, and air intakes. Install CO Detectors: If you use a generator, ensure you have battery-operated carbon monoxide alarms installed in your home. Keep It Dry: While generators must be outside, they should be placed on a dry surface and protected from rain or flooding using a specialized generator tent or canopy—never use an improvised cover that restricts airflow. If you are worried about power reliability and need a safe, indoor-friendly solution, have you considered looking into portable power stations (battery-based power banks)? These do not produce fumes and can be used safely indoors. We at the Generator Store offer a full range of generators and portable power stations.
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What is the difference between running and starting watts?
Understanding the difference between running watts and starting watts is key to choosing the right size generator for your application. Running Watts (Rated Watts) Running watts is the continuous power needed to keep an appliance or tool operating normally once it is already running. This is the figure you should look at for devices like lights, fans, or heaters that maintain a steady power draw while in use. Starting Watts (Surge Watts) Starting watts is the temporary, extra "burst" of power required for a few seconds to get motor-driven products moving from a standstill. Devices like refrigerators, air conditioners, water pumps, and power tools often require 3 to 6 times their running wattage to overcome inertia and reach operating speed. Why the Distinction Matters When selecting a generator, you must ensure it can handle the total combined running watts of all devices you intend to power simultaneously, plus the highest single starting wattage of any one of those devices. Example: If your refrigerator uses 200 running watts but requires 800 starting watts, your generator must be able to handle that 800-watt surge to prevent an overload shutdown.
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What is an Automatic Transfer Switch (ATS)..?
An Automatic Transfer Switch (ATS) is an intelligent electrical device that acts as a bridge between your main power source (the utility grid) and your backup power source (typically a standby generator). Its primary purpose is to automatically detect power outages and shift your electrical load to the backup source without requiring any manual intervention. How It Works The ATS acts as the “main control” of your backup power system through a continuous monitoring process: Monitoring: The switch constantly senses the voltage and frequency of your main utility power. Detection: If it detects a blackout, voltage drop, or power fluctuation beyond safe limits, it triggers the emergency process. Generator Activation: It sends a signal to your standby generator to start up. Transfer: Once the generator reaches the correct voltage and frequency, the ATS disconnects your home or facility from the grid and connects it to the generator. Restoration: When utility power returns and stabilizes, the ATS automatically switches the load back to the grid and signals the generator to shut down after a brief cool-down period. Key Benefits Seamless Convenience: You don't have to be home, go outside, or manually plug anything in during a storm or blackout. Safety: It prevents "back-feeding," which occurs when a generator sends power back into the utility lines. This is a critical safety feature that protects utility workers repairing downed lines. Continuous Protection: By maintaining power, it prevents data loss in servers, keeps medical equipment running, and protects commercial operations from costly downtime. Important Note An ATS is designed to be hardwired into your electrical system and is specifically intended for use with generators equipped with an Auto Start Feature, commonly known as a “2 Wire Auto Start” If you are planning to install a standby generator for your home or business, an ATS is a mandatory component to ensure the system functions safely and automatically.
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Is an inverter generator worth the extra money.?
Whether an inverter generator is worth the extra cost depends primarily on how you intend to use it. In short, if you are powering sensitive electronics (like laptops, smartphones, or medical equipment) or need to operate in noise-sensitive environments (such as camping sites or residential areas), the investment is generally considered worth it. If your primary need is powering heavy-duty tools or machinery on a work site where noise is less of a concern, a conventional generator may be more cost-effective. Why Inverter Generators Cost More The higher price reflects more advanced internal technology: Clean Power Output: Inverters convert energy into a stable, "pure sine wave" current, which is safer for delicate electronics than the "dirty" power produced by standard generators. Variable Engine Speed: They automatically adjust their engine speed to match the electrical load. This makes them significantly more fuel-efficient and quieter than conventional models, which typically run at a fixed, high RPM. Portability & Design: They are usually built with enclosed sound-dampening housing, making them much lighter and more compact. Key Considerations The "Clean Power" Factor: While some claim that modern conventional generators are safe for most devices, inverter generators guarantee low harmonic distortion (THD), which is critical for protecting expensive or sensitive digital equipment. Long-Term Savings: While the upfront cost is higher, the fuel savings and reduced wear on the engine (due to variable speed control) can offset the initial investment over time, especially with frequent use. Power Capacity: Conventional generators are often available in much higher power outputs for industrial needs. If you require massive wattage for a whole-house setup or large-scale construction, a high-capacity conventional generator is usually more practical. If you are leaning toward an inverter, we can help with our huge range of models based on your required wattage or intended use case (e.g., camping vs. home backup). Top-Rated Inverter Generator Brands Honda: Widely considered the "gold standard" for reliability and longevity. While often at a higher price point, their generators (like the EU series) are renowned for being ultra-quiet, fuel-efficient, and easy to maintain. They are a frequent choice for those who want a "forever" generator. Westinghouse: A very popular choice offering a balance of performance and value. Their iGen series is well-regarded for its clean power output (suitable for sensitive electronics), quiet operation, and intuitive features like digital displays. They offer a diverse range of power capacities, making them versatile for everything from camping to emergency home backup. Briggs & Stratton: Known for solid build quality and practical features, such as carbon monoxide safety sensors. Their models are often praised for being easy to start and offering good, stable power for standard household or recreational needs. Cromtech: A strong contender, particularly in the Australian market, for providing reliable equipment with excellent local customer support. Their Outback series is frequently recommended for caravanning and camping due to its durability and performance. Important Considerations Power Capacity: Before choosing a brand, ensure you calculate your total required wattage. Smaller, lighter units (1kVA–2kVA) are perfect for charging devices and running lights, while larger units (3kVA+) are necessary for items like caravan air conditioners or heavy-duty appliances. Service & Support: Because you are investing in a machine that requires maintenance, choosing a brand with a strong Australian service network (like Honda or Cromtech) can save time and money if you ever need repairs or parts.
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Can a 2000 watt generator run a microwave / kettle / fridge at the same time.?
A 2000-watt generator cannot run a microwave, kettle, and fridge at the same time. You will need to manage your power consumption by using these appliances individually or upgrading to a larger model generator. To determine what you can run, you must distinguish between Running Watts (what the device needs to stay on) and Starting/Surge Watts (what the device needs to kick-start the motor or heating element). Typical Power Requirements Appliance Estimated Running Watts Estimated Starting (Surge) Watts Electric Kettle 1,500 – 2,500 W 1,500 – 2,500 W Microwave 800 – 1,200 W 1,200 – 1,800 W Fridge/Freezer 100 – 200 W 600 – 1,200 W Understanding Your Capacity Simultaneous Use: Running any two of these devices at once will likely exceed the 2000-watt threshold. For example, a kettle (1500W) plus a microwave (1000W) requires 2500W, which will overload a 2000W generator. Starting Loads: Even if your generator is rated for 2000W, it may only be able to handle that load for short periods (peak/starting). You must ensure your total running load stays well below the generator's rated wattage to avoid frequent trips or engine stalling. The Fridge Factor: Refrigerators have compressors that cycle on and off. If the compressor kicks in while you are using another appliance, the sudden surge demand could trip the generator's circuit breaker. If you must use these items with a 2000W generator, follow this protocol: Prioritize: Keep the fridge plugged in at all times to maintain food safety. Cycle Usage: Do not use the microwave or kettle while other high-draw appliances are active. Check Labels: Always verify the specific wattage listed on the back or bottom of your specific appliances. Avoid Overload: If you hear the generator engine struggling or the RPMs drop significantly, switch off a load immediately. You can view our range of generators around 2000 watts here :- https://generatorstore.com.au/collections/2000-2999-watts
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New Westinghouse Auto Start Models
The Westinghouse portable generator range is expanding with some new exciting inverter generators, these include two new Auto Start Series models with intelligent 2-wire control.
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Five Safety Tips For Generators
Be in the Know - Its easy to slip up when you havent taken the time to read up. Always read your owners manual before operating your generator. Take it Outside - Keep those smelly fumes at bay. use your generator outside with the exhaust directed away from openings to your home or nearby buildings. Make sure your generator is at least 5 metres from any occupied building. No Harm Done - When it comes to portable generators, it might seem simple to plug in your generator and let it run, buts its best to leave it to the professionals. Hire an electrician to install a transfer switch so the generator can run the required circuits. This helps avoid creating back feed to mains, which can cause injury. Keep it Dry - Be kind to your generator. Keep it dry and avoid exposure to weather. Do not operate a portable generator in the rain or in standing water. Weather conditions can also damage exposed areas, especially electrical, and may cause the unit to be inoperable. Give it a Break - Sometimes, even generators need a break. Avoid overloading your generator by following the manufacturers directions for load capacity. Overloading can seriously damage your valuable appliances and electronics. While generators are useful during power outages, natural disasters or when being used to provide power in remote locations, they also need to be handled properly to avoid anu injuries or damage. Things to keep in mind are : Purchase the right size generator for your needs Keep the generator away from water Always use proper extensions cords Never operate the generator in a enclosed space as it produces carbon monoxide, which can be harmful Certain fuels can be a safety risk while in storage, and generator emissions can be toxic To find the best generator for you, start by identifying the main purpose of your generator, then working out the correct size. For more information read our detailed buyers guide here :- https://generatorstore.com.au/pages/generator-buyers-guide
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Which Honda Generator for Home Back Up.?
The Honda generator range has you sorted for all your home back up power needs. Whether you live in a remote area, or a location subject to power cuts, or you just want a reliable back up power option for your home should the worst ever occur – Honda’s generators are perfect for most home power situations. Honda generators are designed to deliver reliable, consistent power ideal for sensitive devices and home appliances. When the mains go off, you can easily switch to your Honda back up generator and get all your essentials back on. Honda has a range of options to meet your needs, from portable gene's you can fit in the shed, to units that connect direct into your home's power supply and can be wired to auto-start if the power goes out. Popular Models to choose from :- EU22i Honda's most popular portable generator, the EU22i is ideal for basic home back up power or power when camping, boating or travelling. The EU22i can run for up to 8.1* hours of continuous operation on a full fuel tank and is highly portable at a lightweight 21kg. Ideal for running the household fridge and lights, phone / battery charging etc EU30iS The EU30iS offers reliable, fuel-efficient power that is suitable to power a range of sensitive devices, making it ideal for home essential back up power. The EU30iS offers long runtime with up to 20 hours on a single tank.* Electric start makes the EU30iS easy to start, while the quiet running makes it unintrusive for continuous running when required. EU32i The EU32i is Honda's newest portable generator. The EU32i is the first generator of its class to be powered by a fuel-injected engine. Delivering reliable power in a class leading lightweight package. The smartphone app allows you to monitor function, turn eco-throttle on or off, and activate a remote stop. While starting is as simple as turning the switch and pulling the cord. It can run for up to 8.6 hours on a single fuel tank.* Ideal for powering a couple of essential devices with the benefit of being highly portable and fuel-efficient. EU70iS The largest inverter generator in the Honda line up. The EU70iS is fuel injected for great fuel efficiency, allowing up to 18 Hours runtime on a single tank of fuel.* The EU70iS is available with different options. With standard plugs, a 32Amp plug, or auto start for permanent home back up power options. Triple chamber construction makes for quiet running, push button electric start comes standard, and there is a two-wire auto start option for home back up needs. This model is a popular choice for whole home back up. To view the complete range of the Honda Inverter generator models, visit here :- https://generatorstore.com.au/collections/honda-generators
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What is the best generator to buy.?
The best generator to buy depends on your needs ( for example, is it needed for camping, home backup, tradie work), but top-rated brands known for quality include Honda and Yamaha, as their generator range offers quiet, reliable, fuel-efficient inverter models. The Briggs & Stratton, Maxwatt and Cromtech range of generators are great value for a fraction of the price compared to premium brands. Key factors to consider when looking to buy a new generator is quietness (inverters), power output (kW/kVA), fuel type (petrol, diesel, gas), and portability, with options from budget-friendly to industrial-grade available. Top Brands by Category Best Overall / Quietest Honda : The Honda range of inverter generators are praised for the quiet operation, lightweight designs, long warranty and strong reliability . Yamaha : Known for being both lightweight and quiet, long warranty terms, and a large range of models to suit many applications Best for Budget / Value Briggs & Stratton : Briggs & Stratton offers a range of inverter generators, primarily under the PowerSmart and QuietPower series, designed for camping, caravanning, and home backup. These models provide clean power safe for sensitive electronics and feature Quiet Power Technology (QPT), which automatically adjusts engine speed to reduce noise and fuel consumption. Maxwatt :The Maxwatt generator range includes silent digital inverters, open-frame petrol units, and heavy-duty diesel generators. Their lineup is designed for various needs, from lightweight camping models (starting at 2,000W) to industrial-grade diesel backup systems capable of up to 15kVA. Cromtech : Known for their small camping models, and are a popular choice for great value, their camping models are compact inverter models, and are perfect for running essentials, with a piece tag around $1000 Best for Tradies Dunlite & Gentech :- Designed for worksites and farms, these units use high-quality Italian NSM alternators to provide power with less than 6% Total Harmonic Distortion, safe for some sensitive appliances. Australian-owned brand focusing on heavy-duty power solutions ranging from 2.8kVA to 20kVA Best for Home Back Up Honda EU30is or EU70is : Honda is a recommended and trusted brand for domestic back up power, and these models are a good and popular choice for home back up. Factors to Consider Inverter vs Conventional : inverter generators provide cleaner , more stable power for sensitive electronics like laptops and TV’s, but they are generally a lot more expensive Noise : Look for generators with noise reducing features like eco-throttle or inverter technology Weight & portability : consider how much you will need to move the generator. Some are light enough to handle alone, while heavier models may require two people Power Output : Check the wattage to ensure it can handle your intended appliances / load. You will need to consider both the running watts and the starting watts of your appliances / equipment. Application : if you need a generator for a specific purpose, such as a worksite or a caravan, prioritize models designed for that kind of use. Budget : Consider your budget and the trade-offs between initial cost and long term quality. Cheaper models may not be as durable as premium brands.
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Honda Generator for Camping & Caravans
Need power for the next camping trip, outdoor event, or even on the next boating trip? Honda’s range of portable generators can give you the power to go anywhere. Honda's Super Quiet Series generators feature a totally enclosed body that reesults in noticeably quieter performance. Designed for the ultimate in quality, portability and convenience , [...]
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The New Honda EU32i Inverter Generator
Big on power and with the convenience of an app, Honda’s latest 3kVA Class generator is the world’s lightest!New to the stable of Honda generators is the ingenious EU32i that offers users not only immense power, but the most user-friendly machine they’ve ever designed.Honda’s generators have always been at the forefront of innovation and the [...]
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