A house using direct radiation should act as a sun catcher. The sun's rays should penetrate to its interior as much as possible and be absorbed there by the internal elements of the structure, tj.; ceilings, …

What topics are discussed in the course for electrical qualifications?

In a month or two, she plans to go to an electrical license course, the so-called SEP entitlements. I want to go without it …

The conviction has become established, windows are the weakest point in the housing in terms of thermal insulation. The heat transfer coefficient k for windows is much higher than for solid walls.
co-factor …

Very interesting from the Polish point of view are the Swedish experiences in the field of large scale, long-term thermal energy storage and active systems using solar energy to heat entire housing estates. These systems always …

An example of an installation operating without a heat pump is an installation designed by the Technical University of Copenhagen for a single-family house built in 1978 r.

Scheme of a solar installation system for heating domestic hot water. and for needs …

It is currently impossible to cover the total demand for thermal energy solely with solar energy in the climate of Poland on a massive scale. The efficiency of solar installations does not exceed 20%, and the problem of storing excess …

Please list the most important properties of the renovation mortar used to repair concrete.
Renovation mortar for concrete repair should have the following properties:
1. As little shrinkage as possible (it shouldn't actually shrink as it dries …