Wiktor Wise
Electric showers are a convenient choice for busy homes as they provide instant hot water. They are also energy efficient, saving money on electricity and water usage. When choosing an electric shower, it is important to consider the kW rating, which will determine the power of the shower in terms of pressure and temperature. For example, a 10.5 kW shower will provide a better experience than a 7.5 kW shower. It is also important to ensure that the shower has easy-to-use controls and settings and is compatible with your water system. Electric showers are suitable for all water systems but are especially popular for homes with combi boilers. They are also ideal for small bathrooms as the wall-mounted box takes up minimal space.
| Characteristics | Values |
|---|---|
| Energy efficiency | Electric showers are energy-efficient as they only heat water when needed. |
| Installation | Electric showers are easy to install as they don't need a thermal hot water system. |
| Hot water | Electric showers provide instant hot water by heating cold water directly. |
| Water pressure | Electric showers can work with low water pressure, but the performance may be affected. |
| Power rating | The higher the kilowatt power rating (kW), the better the performance and flow of heated water. |
| Space | Electric showers are ideal for small bathrooms as the wall-mounted box takes up minimal space. |
| Cost | Electric showers are affordable and can save money in the long term on utility bills. |
| Compatibility | Electric showers are compatible with combi boilers and all water systems. |
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What You'll Learn
Instant hot water
When it comes to choosing an electric shower for instant hot water, there are several key factors to consider. Firstly, it's important to understand the benefits of an electric shower, which include unlimited hot water and independent water heating, meaning it won't affect your boiler or hot water tank. This is especially useful for large households with high hot water demand, as it ensures you'll never run out of hot water halfway through a shower.
The water flow rate is an important consideration when choosing an electric shower. This is usually measured in litres per minute (LPM) and will impact the overall showering experience. A higher flow rate will provide a more invigorating shower, while a lower flow rate may be preferable for those looking for a gentler experience. The water pressure in your home will also play a role in the flow rate, so it's important to ensure your chosen electric shower is compatible with your water pressure.
Another critical factor is the power rating of the electric shower, which is typically measured in kilowatts (kW). The power rating determines how quickly the water can be heated and the maximum temperature that can be achieved. A higher power rating generally means better performance, especially in colder climates or homes with lower water temperatures. However, it's important to ensure that your home's electrical system can support the power rating of the shower you choose.
When selecting an electric shower, it's worth considering additional features that can enhance your experience. Look for models with adjustable temperature controls, allowing you to customise the water temperature to your preference. Some showers also offer multiple spray patterns, providing a range of showering experiences to suit different needs and preferences. For added convenience, you may want to choose a model with a built-in timer or water-saving features to help reduce your energy consumption and lower your utility bills.
Lastly, the style and design of the electric shower can also play a part in your decision-making process. Electric showers come in various styles, including modern and traditional designs, allowing you to choose one that complements your bathroom's aesthetics. Consider the size and shape of your shower enclosure or bathing area, and choose a model that fits well and provides an enjoyable showering experience without taking up too much space. With these factors in mind, you can make an informed choice when selecting an electric shower for instant hot water.
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$6.97
Energy efficiency
Electric showers are generally considered to be more energy-efficient than traditional water heating systems. This is because they only heat the water that is used, eliminating the need for a hot water tank. Here are some factors to consider when choosing an electric shower for energy efficiency:
Power Rating
The power rating of an electric shower, typically ranging from 7.5 kW to 10.8 kW, determines its power output. A higher power rating will result in faster water heating but may also lead to increased energy consumption. If energy efficiency is a priority, look for a shower with a lower power rating, as it will use less energy to heat the water.
Thermostatic Temperature Control
Thermostatic temperature control allows you to set and maintain a specific temperature. This feature prevents the unnecessary heating of water beyond what is needed, resulting in energy savings. It also ensures a consistent temperature, eliminating sudden temperature changes.
Eco-mode and Eco-performance Options
Some electric showers come equipped with an eco-mode, which reduces energy consumption by limiting power output without compromising your shower experience. Additionally, look for models with eco-performance options, which can help save energy and water. These settings are designed to reduce water waste and power consumption, leading to lower utility bills.
Water-efficient Showerhead
Choose an electric shower that comes with a water-efficient showerhead. These showerheads are engineered to deliver a satisfying shower while reducing water usage. By using less hot water, you can further decrease your energy consumption.
When shopping for an electric shower, pay attention to the energy efficiency rating. These ratings typically range from A+++ to G, with A+++ being the most energy-efficient. Higher-rated showers consume less energy and provide improved performance and water conservation.
Water Pressure and Flow Rate
Your household's water pressure system is an important consideration when choosing an electric shower. Ensure the shower is suitable for your water pressure, as low-pressure systems may require an integrated pump to achieve sufficient pressure. Additionally, consider the flow rate, as a higher flow rate will impact energy consumption. A flow rate of 4-5 litres per minute is generally recommended for an adequate shower experience.
By considering these factors, you can choose an electric shower that not only provides a refreshing experience but also helps you reduce your energy consumption and carbon footprint.
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Installation
Before installing an electric shower, it is important to understand how it works. Unlike traditional showers, electric showers heat cold water on demand using an internal heating element, providing instant hot water without the need for a hot water tank. This makes them an efficient and convenient option for homes with limited hot water supplies or varying hot water needs.
Preparation
Before beginning the installation process, carefully select a suitable location for your electric shower. Consider factors such as proximity to electrical and water supply lines, ease of access for maintenance, and sufficient ventilation. Ensure that the area meets safety regulations for electrical installations and has enough space for the unit to be installed at a safe height. It is also crucial to gather all the necessary tools and materials, including the electric shower unit, piping, fittings, electrical cables, circuit breakers, waterproof sealant, and any additional accessories.
Shutting Off Utilities
Before starting any work, shut off the water and electricity supply to the bathroom. Locate the main water shut-off valve and turn it clockwise to stop the water flow. Then, switch off the circuit breaker or fuse box connected to the bathroom to prevent electrical accidents.
Removing Old Shower Unit (if applicable)
If you are replacing an existing shower unit, carefully remove it by following the manufacturer's instructions. Start by disconnecting the water supply pipes and electrical wiring, ensuring all connections are properly disconnected to avoid damage.
Installing the New Electric Shower Unit
Mount the new electric shower unit to the wall using a mounting bracket or screws. Connect the water supply pipes to the inlet valves, ensuring a tight and secure fit. Then, connect the electrical wiring, following the manufacturer's instructions, and ensure all connections are properly insulated to prevent electrical hazards.
Final Checks and Testing
Once the electric shower unit is installed, turn on the water and electricity supply to the bathroom and switch on the shower. Check for any leaks or unusual noises, and adjust the temperature and flow settings as needed. Ensure that the shower is functioning correctly and complies with local electrical standards and regulations.
Maintenance and Care
Proper maintenance and care are essential for the longevity and performance of your electric shower. This includes regular cleaning and descaling to prevent limescale buildup and checking for any signs of wear or damage to the unit's components.
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Water pressure
The minimum water pressure required depends on the model and its kilowatt rating. For example, a 10.5 kW shower requires a minimum running water pressure of 1.5 bar at a minimum flow rate of 11 litres per minute. A higher kilowatt rating will generally provide a better flow, but you will need to ensure your cables and circuit breaker can accommodate this.
If you have low water pressure, there are a few things you can try. Firstly, check that all valves are fully open and that there is no limescale or blockage in the showerhead or hose. You could also try replacing the showerhead, as some modern showerheads are designed to restrict flow and may not be suitable for electric showers.
If these quick fixes don't work, you may need to consider a more complex plumbing solution. One option is to install a shower pump, which can help boost water pressure. Another option is to replace your current plumbing system with a pressurised unvented cylinder, which takes its feed directly from the mains. This is a more disruptive and costly option, so you may want to consult a qualified plumber before making any decisions.
If you have a cold mains plumbing system with very low or fluctuating pressure, you could consider a pumped electric shower, which features a built-in pump to increase water pressure.
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Cost
The cost of an electric shower varies depending on the power rating, which is measured in kilowatts (kW). The power rating of electric showers typically falls between 7.5 kW and 10.8 kW, with the most common power ratings being 7.5 kW, 8.5 kW, 9.5 kW, and 10.5 kW. The higher the power rating, the faster the water will heat up, and the greater the flow of heated water. The cost of running an electric shower will depend on factors such as the power rating and frequency of use. For example, a 9.5 kW electric shower costs around £3 per hour to run.
When it comes to installation costs, it is recommended to hire a qualified electrician to ensure safe and correct installation. The price of installation can vary depending on your budget and specific requirements. If you already have some cables installed, you may be able to use them to reduce costs, with prices ranging from £70 to £150. The distance of a shower cable typically costs around £3 per metre, and additional costs may arise if you need to remove carpets or flooring.
Digital showers, which are controlled through a digital interface and can be connected to smart home devices, tend to be more expensive. Entry-level models start at around £350, while more advanced options can exceed £600. Mixer showers, which allow you to enjoy both hot and cold water, are generally more affordable, ranging from £50 to £150.
It is worth noting that electric showers can save energy and reduce water consumption, leading to potential long-term savings on utility bills. They are also more energy-efficient than other types of showers, as they only heat water when needed, preventing energy wastage when the shower is not in use.
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Frequently asked questions
Electric showers are popular due to their convenience, efficiency, and ease of installation. They heat water on demand using electricity, providing a constant supply of hot water. This makes them ideal for households with limited hot water availability. They are also often more affordable to purchase and install than other types of showers.
Some key factors to consider include power rating, water pressure, safety features, and ease of use. Power ratings for electric showers typically range from 7.5 kW to 10.8 kW, with higher ratings resulting in faster water heating. Water pressure can also affect shower performance, so ensure your home has adequate pressure. Look for showers with safety features like temperature control and pressure relief valves, and choose a model with easy-to-use controls and settings.
Regular maintenance is important to keep your electric shower in good working order. Clean the showerhead and unit regularly to prevent limescale buildup, and descale the shower periodically to remove any existing limescale. Check for leaks and replace worn or damaged parts promptly. It is also crucial to keep the heating elements in good condition to avoid increasing energy consumption.
To reduce energy consumption, consider using a hybrid shower that combines electricity and solar energy, especially in sunny regions. Opt for models with electronic temperature control for more precise heating adjustments. Choose showers with a power rating between 4,500 and 5,500 watts, as higher ratings consume more energy. Additionally, avoid showering during peak energy demand times, and use the ""summer" position on hot days to reduce energy usage.
