Sage-Tips

How do you know if your boiler is condensing?

If you can see the steam coming from the flue through an external wall (or roof), and if you also have a white plastic pipe leading to a drain, this will certainly be from a condensing boiler.

What is the difference between a typical boiler and a condensing boiler?

A conventional boiler will exhaust the water vapor and the heat is wasted. A condensing boiler, on the other hand, recovers the heat from the water vapor and puts it back into the boiler. This allows a condensing boiler to use less fuel to produce the same amount of heat. Same comfort, less fuel, lower bills.

What are the major advantages of a condensing boiler?

There are two main benefits to gain from using a condensing boiler: lower energy bills, and a reduced carbon footprint. As condensing boilers are so much more efficient than their conventional counterparts when turning fuel into usable heat, less fuel is required overall to heat both your water and your home.

What is the difference between a condensing and non condensing oil boiler?

Whereas non-condensing designs, often known as open vent boilers, typically take in air from inside the room, condensing boilers are completely sealed for heat insulation and they take their air from the outside. This means there is a lower risk of anything being sucked into condensing boilers.

Do you get instant hot water with a condensing boiler?

Advantages of a Condensing Boiler It recycles waste gases and saves on your future energy bills. Space savings: a condensing combi boiler does not need a hot water tank and is available in a wide range of compact sizes, making it much suitable and convenient to fit in a kitchen cupboard than conventional boiler models.

When did condensing boilers become compulsory?

2005
Since 2005, it has become mandatory to install condensing boilers if your old boiler needs replacing. Condensing boilers significantly reduce carbon emissions and you can save up to 1,200 kg of carbon a year by installing one in your home.

Does a condensing boiler need a hot water tank?

Condensing boilers help the environment with an increased efficiency to up to 12\% . Space savings: a condensing combi boiler does not need a hot water tank and is available in a wide range of compact sizes, making it much suitable and convenient to fit in a kitchen cupboard than conventional boiler models.

Are condensing boilers more expensive?

Condensing boilers are more expensive to maintain due to the complexity of the systems, which can affect gas boiler prices. Non-condensing boilers are cheaper to fix and they might save you some money in the short-run.

What are the disadvantages of a condensing boiler?

The Cons: Condensing Boilers are susceptible to freezing temperatures, when the pipe which leads from the boiler outside can freeze, stopping the boiler from working. This can be quickly fixed with warm water but can be inconvenient and could cause long term damage.

When did condensing boilers become mandatory?

Since 2005, it has become mandatory to install condensing boilers if your old boiler needs replacing. Condensing boilers significantly reduce carbon emissions and you can save up to 1,200 kg of carbon a year by installing one in your home.

Does a condensing boiler need a flue?

The regulations and guidelines for boiler flue siting have changed significantly since condensing boilers were made compulsory in 2005. If the flue goes through the roof (a vertical flue) rather than a wall (horizontal flue) then other alterations may need to be made.

Does a condensing boiler need a cold water tank?

What is a condensing boiler and how does it work?

Condensing boiler. Condensing boilers are water heaters fueled by gas or oil. They achieve high efficiency (typically greater than 90\% on the higher heating value) by condensing water vapour in the exhaust gases and so recovering its latent heat of vaporisation, which would otherwise have been wasted.

What does non condensing mean?

Non-condensing moisture remains as water vapour exerting its own partial pressure to the atmosphere and, in an enclosed, non-condensing environment – ie at a temperature above the dew point – very approximately complies with the gas laws (Charles’and Boyle’s).

What is a high efficiency boiler?

High Efficiency Boilers. Boilers provide heat by distributing heated water or steam through radiators or radiant floor systems. High efficiency boilers are relatively new to the marketplace, and for many homeowners they are a welcome change.

What is a condensing economiser?

What is a Condensing Economiser? In a Condensing Economiser flue gas temperature is reduced to below its dew point , thus condensing moisture and recovering latent heat (the energy content of water vapour as opposed to that of liquid water of the same temperature) as well a greater amount of sensible heat than can be recovered by a simple Economiser.