Kildare Plumbing and Heating are the experts on all sorts of boilers, including their advantages and disadvantages. We've discovered that the ordinary person doesn't know much about boiler repair, replacement, or maintenance. This is why, whenever possible, we want to assist and enlighten you so that, if you need a boiler replacement, you get what you require rather than what someone is attempting to sell you.

Pros and drawbacks of various boiler types

Please read this post to educate yourself and help you make the best decision possible when purchasing a new boiler.

The various types of condensing boilers.

There are three types of condensing boilers on the market today: combi boilers, heat-only boilers, and system boilers. We'll go through the different types of boilers and their benefits and drawbacks in this article.

Combination boilers

These are the most prevalent boiler types for gas central heating at the moment. A combi boiler heats your radiators while also providing hot water on demand. Because it combines the operations of a typical boiler, it is dubbed a "combi." A cold water tank and a hot water cylinder are included. They are delivered as a single unit, making installation a breeze.

You simply turn on the tap when you desire hot water. Water is drawn straight from the mains, heated in the boiler, and then delivered to your tap. If you just need a modest amount of hot water, a storage combi boiler is an option.

The Advantages of Combination Boilers

o You have an endless supply of hot water available at all times. The hot water cylinder does not need to be refilled.

o It is a cost-effective alternative for a small household or business that uses little hot water.

o A lightweight, portable heating system, There is no need for a hot water cylinder, a cold storage tank, or an airing cupboard, therefore the house has more space.

o All taps supply drinking water because the water is provided directly from the mains.

o Combi boilers may create up to 18 litres per minute of water (when cold water is heated to 35 degrees Celsius).

o The bath taps can be used to run a forceful shower.

downsides of combi boilers

o Because they only give maximum pressure through one water supply outlet at a time, they are not ideal for big residences with several water supply outlets.

o Because the burner on your combi boiler needs to warm up, there may be a delay in getting hot water from a tap.

o Combi boilers take a long time to start and fill a bath, and they can't supply enough hot water for power showers.

o There is no immersion heater available. If there is a problem with the gas supply or boiler, there is no backup hot water.

Only the boilers are kept warm.

Most older heating systems are powered by heat-only boilers. Heat-only boilers supply direct heat to radiators. They also generate hot water, which is stored in a separate cylinder. A cold water cistern is used to provide cold water in almost all instances. This is normally positioned above the boiler in a loft or attic and is gravity fed. A separate expansion cistern is also present.

Heat-only boilers have several advantages.

o Because you have a huge tank of hot water, you can use multiple water supply outlets at once.

o It's ideal for large families with high hot water demands.

o Replacing it is straightforward because only minor adjustments to the pipes are required.

Heat-only boilers have some drawbacks.

o In comparison to combi boilers, they take up a lot of room.

o Inefficient in terms of energy efficiency; unless effectively insulated, a cylinder can lose a lot of heat to the environment.

o The amount of hot water is limited by the cylinder's capacity.

o Additional room is required because the water pump for the heating and hot water systems is separate.

boiler systems

A system boiler, like an open-vent boiler, has two tanks. This takes up additional room. The premise is for storing hot water. A system boiler contains several of the various components of a hot water and heating system. There is no requirement for a feed and expansion cistern with a system boiler. A cold water tank, on the other hand, is required (unless you have a pressurised hot water cylinder).

This is a good option for a modern family house where every inch of storage space is needed and hot water is in high demand.

System boilers provide several advantages.

o Because there is a large tank of hot water, multiple taps can be used at the same time.

o An expansion tank or a feed into it in the loft are unnecessary.

o Pressurized cylinders can be utilised with it. This eliminates the need for a cold water tank in the loft.

o Perfect for a large residence with a high hot water demand.

o Installation is straightforward because there are less parts outside the boiler.

o This makes it go more quickly, neatly, easily, and efficiently.

o A system boiler is connected to the pump.

o This ensures quick response times and low operating costs.

System boiler disadvantages

o It takes up more room than a combination boiler.

o Ineffective unless the cylinder is highly insulated. It has the potential to lose heat to the environment.

o The amount of hot water you can utilise is restricted by the cylinder size. You can take a bath and then have to wait for the water to warm up again before taking another.

Call the specialists at 086-838-9326 if you need professional guidance on a boiler replacement. We are happy to provide guidance and a free, no-obligation quote. Please call our skilled plumbers in Dublin for all of your regular general plumbing needs.