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Guides

What flow temperature for underfloor heating - and why it decides your pipe spacing

Water temperature and floor covering set a floor's output, not its area. Measured table: what 30, 35, 40 and 45 °C give per m² under tile, wood and carpet.

Guides

Electric underfloor heating loses its subsidy in 2027 - what stays in Czyste Powietrze

From 2027 the programme funds no heating mats, electric boilers, electric radiators or electric underfloor heating. What stays on the list, and what it changes.

Guides

Pipe spacing and loop length in underfloor heating - how to work it out properly

The (area ÷ spacing) × 1.1 formula counts neither the run to the manifold nor the setback from the walls. Here is how far off it is, and how to measure a loop from real geometry.

Guides

Split heat pump ban 2027: what leaves the market, and what stays

No, an installed heat pump does not have to be replaced. From 1 January 2027 split air-to-water units up to 12 kW on GWP 150 or more leave the market.

Guides

The oversized heat pump - why a capacity margin is billed to the client every month

Why a heat pump sized "with a margin" cycles, loses seasonal efficiency and wears its compressor faster - and how to size one from a calculation, not a rule of thumb.

Guides

Installer's glossary: heat load, U-value, lambda, thermal bridges

Heat load and equipment sizing terms explained: U-value, lambda, thermal resistance, thermal bridges, n50, bivalent point, SCOP and the heating curve.

Guides

A client's glossary: what the terms in your installer's form mean

Your installer is asking for floor plans, sections and a window schedule? Here is what each of those documents is, why it is needed and where to find it.

Guides

What a heat load calculation is, and what actually depends on it

What a heat load calculation to EN 12831-1 is, what depends on it - from pump capacity to radiator supply temperature - and why a rule of thumb is not.

Guides

How to use the underfloor heating module - a step-by-step guide

From a floor plan to a ready underfloor-heating loop layout with hydraulics - the complete guide to HeatAlgo's underfloor heating module.

Guides

How to send a client the form and get complete data - a guide

From creating the project to accepting the client's data - a simple step-by-step guide, screen by screen, no jargon.

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