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What Is The Replacement Cost Of The House Gas Boiler?

When it is time to replace your house gas boiler, you might be wondering how much it’s going to cost. It can be tough to determine the right price without doing a lot of research but don’t worry, we’re here to help.

In this article, we’ll discuss the basics of boilers, their advantages and disadvantages, and different types of boilers, and give you an idea of how much it can cost to replace them.

By the end of this article, you’ll have a good understanding of the different options available to you and be able to make an informed decision about the best type of heating for your home.

What Is a House Gas Boiler?

A house gas boiler is a closed system that heats water, which is then circulated through the home’s radiators or underfloor heating system to provide warmth. This warmth is then used to warm up your entire home.

Different Types of House Gas Boilers

There are a few different types of house gas boilers: the conventional boiler, combi boiler, and system boiler.

  • Conventional Boiler

The conventional boiler is the most basic type. It heats water in a tank and then sends it through the taps or to a central heating system. The combi boiler is a combination of a conventional boiler and a heat-pump water heater. It heats water on demand, so you don’t need to wait for a tank to heat up. The system boiler is similar to the combi boiler, but it also includes a built-in storage tank for hot water.

  • Combi Boiler

Combi boilers are the most popular type of boilers, as they provide both central heating and hot water, and are usually more compact than system boilers.

  • System Boiler

System boilers are larger than combi boilers as they have a hot water tank attached, which stores heated water from the boiler until it’s needed.

Advantages and Disadvantages of House Gasses Boilers

There are a few key benefits to having a gas boiler in your home. Firstly, gas boilers are typically much more efficient than other types of boilers, so you’ll save on your energy bills. They’re also quick and easy to install, so you can be up and running in no time.

However, there are a few downsides to consider too. Firstly, gas boilers can be noisy, so if you’re looking for a quiet home, this might not be the best option for you. They can also be a little bit more expensive to maintain and repair than other types of boilers.

Ultimately, the best way to decide if a gas boiler is right for your home is to get quotes from qualified installers and see what’s the best option for your specific needs, and for that, DGB Refrigeration Heating & Cooling is here at your service.

Factors That Affect the Cost of Replacing a House Gas Boiler

When considering the cost of replacing a house gas boiler, there are a few different factors to take into account. The size of the unit, its efficiency rating, and the complexity of the installation will all play a role in how much your new boiler costs.

For starters, you’ll need to decide on the right size based on your home’s heating needs. A larger boiler will cost more upfront, but it may offer more energy savings down the road. Additionally, if you’re replacing an older unit with a newer model, you should factor in any additional costs associated with upgrading your system.

Then there’s efficiency rating—the higher the rating, the more energy efficient your new boiler will be. The difference in efficiency between models can be as much as 15%, so this could lead to significant savings over time. Finally, it’s important to consider any other potential installation costs such as piping or venting work that might need to be done in order to ensure the safe operation of your new setup.

Estimating the Cost of Replacing a House Gas Boiler

Replacing a house gas boiler can be an expensive yet necessary project. The exact cost will depend on the nature of the job, the type of boiler, and the size and complexity of your property. Typically, you’re looking at anywhere from $3,000 to $5,000 for the installation of a new boiler. This can also depend on whether your property needs additional work such as repairs to pipes or replacing existing pipework.

It is important to remember that although this is an expensive task it could pay off in energy savings alone over time. For instance, if you upgrade from an old boiler to a newer one with better energy efficiency, then this could save you money over time in terms of electricity bills and gas bills. Additionally, many states offer rebates for those who choose to replace their existing boilers with modern versions. Therefore, it might be worth checking if your state offers any such rebates before making your decision.

Since replacing the house gas boiler can be expensive, it’s important to get accurate quotes from installers before you decide to go ahead. We at DGB Refrigeration Heating & Cooling have got years of experience and we can put that experience to good use by providing you with the best possible solution to your heating and cooling requirements.

Frequently Asked Questions About House Gas Boilers

We often get asked the same questions about house gas boilers. Here are some of the most common ones along with our answers.

Q: What is the difference between Condensing Boilers and Non-Condensing Boilers?

A: The main difference between them is that condensing models are more efficient, as they recapture heat from the flue gasses, whereas non-condensing models simply vent out any wasted heat.

Q: What are the factors that decide how much it can cost to replace a house gas boiler?

A: It depends on a range of factors, such as the type of boiler you choose, the size of your home, and whether you need new pipework or radiators.


There you have it—the basics of a house gas boiler, all the different types of it, its advantages and disadvantages, and the cost of replacing the home gas boiler. If you’re unsure about what type of gas boiler or heating system is best for your home, our technicians are more than happy to provide a free consultation.

At DGB Refrigeration Heating & Cooling we offer professional service at competitive rates. Our experienced technicians can provide you with an accurate quote and help you choose the best system for your needs and budget. Contact us today by dialling 03 9005 5715!


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