When it comes to selecting a boiler, there are numerous factors to consider. The choice of whether to go with a condensing or combi boiler is a question many people wonder about. This blog article will explore both types of boilers in detail and explain what they do so that you may choose which one is best for your house!
Condensing Boilers
A Condensing boiler has three key components: the heat exchanger, expansion vessel, and a multipoint gas valve. The condensing boiler has an internal heat exchanger; the heat exchanger transfers the heat from the fuel gasses to water. The hot gases are cooled in this process which creates condensation. This condensation is collected in a tank within the boiler called an expansion vessel. For the water to be heated again, it must pass through the heat exchanger. This is an efficient process as less gas is burned to produce hot water.
Combi Boilers
A combi boiler is a combination of condensing and traditional boilers.
The heat exchanger in this type of boiler is larger than the traditional boiler and is situated at the top of the unit. This facilitates easier maintenance by allowing access to all parts with minimal disassembly. The combi boiler is a space-saving and efficient option as it heats water using natural gas or LPG.
The process begins once the gas is lit and heats up the water in the bottom of the boiler. The heat exchanger then warms this hot water. It does so very quickly and continues to heat the water using gas or LPG. The combi boiler is suitable for homes with low hot water demands and only one tap that needs to be run from time to time.
In conclusion, there are many factors that should be considered when purchasing a new boiler, and these boilers are just two of them. Condensing boilers are more efficient, but combi boilers are better for low hot water demands in the home, i.e., one tap or shower at a time.