Knowledge Center

Condensing boilers

The Knowledge Center for condensing boilers brings together in one place everything essential you need to know before buying a condensing boiler and during its operation – from choosing the type and output, through installation and combination with underfloor heating or radiators, to operation, savings, faults and servicing. We are gradually adding expert guides on these topics:

	How to choose a condensing boiler Why a condensing boiler and not a conventional one A condensing boiler extracts considerably more heat from the fuel than a conventional (atmospheric) boiler – it also uses the latent heat…
	What condensing boiler output do I need Below you will find practical tables that will help you get your bearings when choosing a condensing boiler – the indicative output according to the floor area of the house, the type of heating circuit, the method…
	Common mistakes when choosing and installing a condensing boiler Why small mistakes with a boiler cost big money A condensing boiler is today the most common gas heating solution in Slovakia – and rightly so, because it can use even…
	Underfloor heating and a condensing boiler Why underfloor heating is the ideal combination with a condensing boiler If you are considering a heating refurbishment or building a new house, you have probably already come across…
	Radiators and a condensing boiler Many people associate a condensing boiler exclusively with underfloor heating – and that is no coincidence, since underfloor heating is a textbook example where the boiler condenses almost non-stop and…
	Gas consumption and savings on heating Gas consumption and how to save on heating – practical advice For most households with gas heating, the gas bill is the largest regular item in the budget during…
	Thermostat and weather-compensated boiler control What weather-compensated control is and how it works Weather-compensated control is today a standard feature of almost every modern condensing boiler installation and ranks among the…
	How long does a condensing boiler last? Servicing and maintenance Why regular servicing of a condensing boiler is essential A condensing boiler is not an appliance you can simply buy, connect and then forget about for ten years.
	Comparison of condensing boiler brands The brand is the last criterion, not the first When customers ask “which boiler brand is the best”, the answer is in the vast majority of cases simple: with condensing…
	50 most frequently asked questions about condensing boilers A condensing boiler is today the standard for gas heating – it combines high efficiency, quiet operation and a long service life, yet during selection, installation and everyday operation…
	How much a condensing boiler saves compared with an old boiler Replacing an old boiler with a condensing one is among the measures with the most visible effect on a household’s heating costs – and at the same time among the topics about which…
	The most common condensing boiler faults and how to solve them A condensing boiler is today the most reliable way of heating a family house or flat, but like every technical device it occasionally needs attention.
	What temperature to set on a condensing boiler The question “what temperature should I set on a condensing boiler” sounds simple, yet in reality three completely different temperatures are hidden behind it , which the boiler stores independently of…
	Is it worth replacing an old gas boiler with a condensing one The question of whether it is worth replacing an old gas boiler with a new condensing one has no single universal answer – it depends on the age and condition of your boiler, on how often and how expensively…
	Instantaneous vs. storage domestic hot water heating When choosing a condensing boiler you will come across one fundamental question: should domestic hot water (DHW) preparation be instantaneous , or storage-based ?
	Comparison of boilers with instantaneous DHW heating If you are choosing a gas condensing boiler with instantaneous DHW heating for a flat or a smaller family house with one bathroom, you will very probably come across two names…
	Installation and common problems of a boiler with instantaneous heating Buying a condensing boiler with instantaneous DHW heating is only the first step – the installation must be carried out by a professionally qualified company authorised to install and service gas appliances.