Choosing the right boiler


Are you considering installing a new boiler for the first time or updating the old one?

Do you need help picking the right one for your home? The information we share below can help you make an informed choice.

The first step to picking the best boiler for your home is knowing, which is the best type. We have listed a few options, highlighting their pros, cons, and suitability.

1. Combi Boilers

Combi or combination boilers are popular in the United Kingdom. They are designed to provide hot water and heat to homes, eliminating the need to install water reservoirs. You can opt for an electric or gas combi-boiler Installed by a boiler and central heating specialist.

• Unlimited, readily available hot water and heat
• No need to install a secondary tank
• The boiler takes up less space

• Reduced water pressure when drawing hot water from several taps at a time
• The installation process is complicated

Suitable For:
Combination boilers are ideal for most homes. However, they are best suited where the family does not rely heavily on hot water, drawing a lot at the same time.

2. System Boilers

System boilers or sealed system boilers have a water cylinder located in an airing space; thus, eliminating the need to install a water tank.

• No need to install a water tank in the loft
• Hot water available via several taps at the same time

• Instant hot water not readily available
• Hot water can run out, and reheating takes time
• The cylinder needs a secure place for installation

Suitable For:
System boilers are an excellent choice if you need hot water running from several taps simultaneously.

3. Conventional Boilers

Conventional boilers or Open vent boilers, also known as regular boilers, have a water tank and cylinder system.

• Hot water available via several taps at the same time

• Hot water can be depleted, and reheating takes time
• You need a designated space for the water tank and cylinder

Suitable For:
Conventional boilers are ideal for homes that need hot water running from different taps at the same time.

4. Condensing Boilers

Condensing boilers are more of an attribute to your boiler instead of a type of boiler. For instance, it can be a condensing-conventional boiler or condensing combination boiler. Nonetheless, condensing boilers have a high energy efficiency rating. They trap and re-use some of the heat that escapes a non-condensing boiler’s flue. That is how they can generate more heat using the same amount of fuel other boiler types use, therein saving you money. Given such energy efficiency, it is no wonder all current boilers are condensing boilers.

Energy-Efficient Boilers

The latest boilers are designed to be energy-efficient and sold with a label stating their energy rating, similar to what is on most kitchen appliances. They adhere to the regulations that govern Energy Related Products made with an Eco-Design.

Can I Save Money On Heating Via Other Means?

Investing in energy-efficient boils is the ideal starting point when trying to save on heating. However, it all will be pointless if the heat escapes from your home. That is why you also should ensure that your house has proper insulation and is draught-proofed. The two are energy-efficiency upgrades worth making as you invest in better heating systems. The upgrades need not be time-consuming or expensive.


Installing insulation in your home is somewhat an invasive measure compared to draught-proofing. The approach used when draught-proofing is to identify draught spots around your house. They can be characterized by cracks on the doors and windows or gaps between the doors and windows and the supporting frame.

Filling the cracks and gaps is not that complicated. You can use self-adhesive foam strips to plug the holes and cracks. Conversely, you can place brushes or letterboxes at the space at the bottom of the doors to prevent indoor heat from escaping. Putty or sealant will be the best remedy if the cracks around the door and window frames are too big to fix using the self-adhesive foam strips.

On the other hand, specialist products will be necessary when dealing with significant gaps like a chimney flue. In such a situation, you can use a chimney balloon to block the flue and preventing air from escaping.


Many people will attest to how insulation is efficient. Nevertheless, it is more expensive and complicated to install but results in higher savings compared to draught-proofing.

Roughly 25% of heat loss in the average home is through the roofing. Hence, loft insulation is one of the measures worth taking if you have an attic. Many modern homes and those built in the last decade are likely to have insulation; the older buildings might not. Moreover, the older properties that might have insulation installed may not have sufficient energy-efficiency levels.

You can get loft insulation in home deports and DIY stores or hire a professional to install the insulation.

Insulating the walls can have more money-saving results, but you should leave the job to a professional. The insulation to use depends on the type of home you have and your location.

For instance, houses built after 1930 are likely to have cavity walls (having an inner and outer barrier). You can use cavity wall insulation to fill the space. The process entails drilling holes on the outer wall and then pumping the insulation into the gap.

Solid walls are most popular with homes built earlier. Insulating the solid walls involves packing the insulation on the walls’ outer and inner surfaces, which can be costly. However, it is something worth considering if you want to save money on energy in the long-term.

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