Electric Hot Water Boiler Heating System

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Electric hot water boiler heating systems are an efficient way to heat your water. They’re also very easy to install and maintain. However, they do have some disadvantages, such as higher initial costs and a limited lifespan. In this article, we’ll cover everything you need to know about electric hot water boiler heating systems so that you can make an informed decision about which one is right for your home or business.


What is the most efficient electric hot water heating system?

Direct-fired electric hot water heaters are the most efficient type of electric hot water heating system. They use the heat from your home’s power supply, which means they don’t have to burn fuel like natural gas or propane to produce heat. You can also choose between a tankless or storage model depending on your needs, with the former being more efficient than the latter because it doesn’t store hot water in an insulated tank when not in use.

Working principle

An electric hot water boiler heating system works by using electricity to heat water, which is then circulated through radiators or underfloor heating pipes to provide warmth in a building. The electric boiler contains heating elements that heat the water as it passes through the system. The water is then pumped through pipes to the radiators or underfloor heating pipes, where it releases heat into the room. The temperature of the water can be controlled by a thermostat, which regulates the amount of electricity used to heat the water.


The lifespan of an electric hot water boiler heating system can vary depending on several factors such as the quality of the system, the frequency of maintenance, and the usage. On average, a well-maintained electric hot water boiler heating system can last between 10 to 15 years. However, some systems can last up to 20 years or more with proper care and maintenance. It is important to have regular maintenance and inspections to ensure the system is functioning properly and to address any issues before they become major problems.

electric hot water boiler heating system

pros and cons


  • Cost-effective – An electric hot water boiler heating system is more cost effective than other types of heaters, especially in places where you can’t use natural gas or LPG (liquefied petroleum gas). In addition, no additional installation costs are needed because it’s already connected to the central heating system.

  • Efficient – The efficiency of an electric hot water boiler is higher than any other type of heater out there and this makes them more energy efficient as well!

  • Easy to install – You won’t have any trouble installing your own new one at home because they’re simple enough that anyone can do it themselves with just a few tools like screwdrivers and wrenches!


  • More expensive to install – This is because the cost of installing wiring and electrical outlets can be high, especially if you’re working in older properties where these things may not have been installed previously.
  • Higher running costs – Because you’ll need to pay for your electricity usage every month, unlike gas or oil boilers which use fuel that can last many years before needing refilling again (and therefore cost less money overall).
  • More maintenance – Including cleaning filters regularly and checking pressure gauges regularly. It’s important that homeowners know how best to care for their unit so as not to damage its functionality over time due to there being no proper maintenance plan put into place beforehand by yourself!


electric boiler heating system


What size electric hot water boiler heating system do I need?

  1. You’ll need to consider how much hot water you need. If you have a large family, or if everyone in your household has long showers and baths, then the size of the tank is going to be important. If it’s just for one person and their short showers, then a smaller system might be sufficient.
  2. Think about how much heating area there is in your home or apartment building. Is it just one room? Or are there multiple rooms that need heating? The more rooms that require heaters means more units will be needed!
  3. Consider how many people live in your home or building. This will help determine whether or not there should be an electric hot water boiler heating system installed throughout multiple areas (e.g, bedrooms) versus just one centralized location.


How much does it cost to install an electric hot water boiler heating system?

On average, the cost to install an electric hot water boilerheating system ranges from $3,000 to $19,000. Prices listed below are indicative only and may vary by manufacturer, location, and other factors. It is recommended to obtain quotes from multiple contractors to obtain an accurate estimate for your specific needs.

Level of Efficiency 200 kW 400 kW 600 kW 800 kW 1000 kW
80% $3,000 $6,000 $10,500 $13,000 $16,000
85% $4,500 $7,500 $11,000 $14,500 $17,500
90% $5,000 $8,000 $12,500 $15,000 $18,500
95% $6,500 $9,500 $13,000 $16,500 $19,000

electric boiler water heater

How do I troubleshoot common issues with my electric hot water boiler heating system?

  • No hot water: Check if the circuit breaker or fuse for the boiler is tripped or blown. If it is, reset or replace it. If the breaker or fuse is not the issue, check the thermostat settings and ensure that the temperature is set high enough to heat the water.
  • Insufficient hot water: If the water is not hot enough, check the thermostat settings and adjust them accordingly. If the thermostat is working correctly, check the heating elements and replace them if they are faulty.
  • Strange noises: If you hear strange noises coming from the boiler, it could be due to air in the system. Bleed the radiators to remove the air and restore proper circulation.
  • Leaks: Check for leaks in the system, including the pipes, valves, and fittings. If you find a leak, shut off the water supply and call a professional plumber to repair it.
  • Pilot light issues: If the pilot light is not lit, check the gas supply and ensure that the gas valve is open. If the gas supply is not the issue, check the thermocouple and replace it if it is faulty.
  • Pressure problems: Check the pressure gauge on the boiler and ensure that it is within the recommended range. If the pressure is too low, add water to the system. If the pressure is too high, bleed the radiators to reduce it.
  • Electrical issues: If the boiler is not receiving power, check the circuit breaker or fuse and reset or replace it if necessary. If the breaker or fuse is not the issue, check the wiring and connections for damage or loose connections.



In conclusion, electric hot water boiler heating system are very efficient heating systems that can provide both domestic and commercial hot water. These boilers are easy to install and maintain, making them an ideal choice for anyone looking for a new system in their home or business premises.

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