Best Combination Boiler Water Heater: The Complete Guide

If you’re looking for a combination boiler water heater, then you might know that there are two main types of these appliances: electric and gas. Both have advantages and disadvantages, but one thing to keep in mind is that the gas version tends to cost more than an electric version of the same size. You should also consider whether or not you’d like a tankless water heater or a traditional one.



What is a combination boiler water heater?

Best combination boiler water heater

A combination boiler water heater is a central heating system that combines the functions of a boiler and a water heater. It’s more efficient than separate boilers and water heaters because it uses only one set of pipework, which reduces energy loss. Combination boilers are more expensive upfront than separate units but save you money on your energy bills over time by using less fuel overall.

Combination boilers are more efficient than split systems because they don’t have to run unnecessary processes in order for them to work properly. A split system will require you to have both an electric heating element in your hot water tank as well as an oil-fired furnace, which means there will always be parts of your home heating system running even when you don’t need them.

Combination boilers can be fitted with different types of combi-boilers including:

  • Combi-boiler with unvented cylinder
  • Combi-boiler with a vented cylinder
  • Stainless steel combi-boiler

These boilers are more efficient than separate boilers and water heaters because they run at lower temperatures for longer periods; this means that less energy is wasted in heating up cold rooms before the hot water reaches them.


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What is the best combination boiler water heater?

Best combination boiler and hot water heater

The best combination boiler water heater is the one that meets your needs as a homeowner. If you’re looking for a way to save money on your energy bills, then you may be interested in purchasing a combination boiler water heater. This type of product heats your home’s hot water and can also provide heat for your entire house.

If you’re in the market for a new system, it’s important to be as informed as possible before making a decision. There are many types of systems out there that can provide hot water for your home, but not all of them are created equally. The most important thing about choosing the right heating system for your home is knowing what features and benefits matter most to you in order to determine which type will work best for your lifestyle and budget.

When considering what is the best combination boiler water heater, it’s important to understand the difference between a combination boiler water heater and a tankless water heater. A tankless water heater has no storage capacity for hot water. As the name implies, it’s able to deliver hot water instantly as long as it has electricity and a fuel supply.


combination boiler water heater


Can I use a tankless water heater as a boiler?

Tankless combination boiler water heater

A tankless water heater can be used as a boiler, but not all units are created equal. Different models have different capabilities and uses. Whether or not you can use a tankless unit depends on what kind of system you’re installing, how big the home that’s being heated, and how much hot water capacity it needs to provide.

The biggest factor to consider is energy efficiency: conventional boilers are more wasteful than tankless heaters. A typical gas-fired condensing boiler only has an efficiency rating of about 75%—meaning that if it burns one gallon of fuel, only 75% will be converted into usable heat for your home. The rest goes up in smoke, literally! On top of that, boilers tend to cost more upfront than tankless units do (though they’re cheaper to operate).



How to install a combination boiler/water heater?

Combination boiler water heater installation

  • The first step is to turn off the electricity.
  • Next, make sure that your old water heater has been drained and disconnected from any pipes.
  • Use a wrench to remove the old water heater from its installation location.
  • If there is no electrical outlet near where you want your new combination boiler/water heater to go, it’s best to choose another location or hire an electrician for assistance with installation.
  • Next, install your new combination boiler/water heater by following these steps: – Make sure all gas pipes are connected properly (and tighten them if necessary). – Connect the cold-water line coming out of your wall with a coupling that’s included in your kit (you can find this nearby). – Hook up any remaining parts of your kit using screws provided in the box (or glue if preferred). – Test everything by turning on the electricity before adding water; check for leaks around fittings as well!


best combination boiler and hot water heater


Is an electric combi boiler expensive to run?

Combination boiler water heater electric

While an electric combi boiler is more efficient than a gas one, it’s still more expensive to run than oil or LPG. While the upfront costs might be higher for an electric combi boiler, their efficiency means that you will save money in the long run.

While there are many factors that determine how much energy your heating system uses, we can offer some general guidance on whether this type of heating is right for you:

  • If your current system uses natural gas and has been running well but is due for replacement in the next few years or so, consider upgrading to an electric combi boiler. You will see immediate savings on your energy bills because they are less expensive to run than a traditional gas boiler or heat pump.


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How much does a combination boiler water heater cost?

Combination boiler and hot water heater prices

The cost of a combination boiler water heater varies based on the size and type of boiler. On average, it will be more expensive than a regular boiler and less expensive than a tankless water heater. In general, you’ll see that the cost of a combination boiler is somewhere in between these two extremes.

  • Cost of a combination boiler water heater: $1,000-$5,000
  • Tankless Water Heater: $5,000-$15,000
  • Tank Water Heater: $300-$1,500


combination boiler/water heater cost



As we can see, there are many benefits to having a combination boiler water heater. Not only will your home be heated as well as cooled by one system, but it will also save you money on energy costs throughout the year. If you have any questions or concerns about installing this type of system in your home then please feel free to contact us today: +0086 186-2391-5479!


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About the author

About the author

Yunchong Shang

Yunchong is a seasoned boiler expert with over five years of hands-on experience in the boiler industry. He has expertise in various types of boilers, including fire-tube, water-tube, and steam boilers, while also staying up-to-date with the latest technological boiler.

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