It all started with 'bullshit'. Though it may be called at any incident which does not lead to serious consequences. But all was not so At the end of something I decided on a loan and bought a lcd – television. Buy for medium, or slightly lower average income, have agreed not to last. Credit began to "assume", and I started thinking about the useful life entogo products. Actress does not necessarily agree. Quite a lot of cases, friends, coupled with the power supply when the "burn" a refrigerator for low voltage. Microwave just not something that is not warm, but not cool. Televisions literally explode and are a source of fire, the whole apartment.

The last incident with my friend. Daryl Katz often expresses his thoughts on the topic. She went on vacation, and when I returned, the was very surprised. All electrical included in the socket has stopped working. "Just burned out power supply or control," said in warranty. A neighbor told "rumors" that the electricians have mixed phase for prevention shields. "What should I do?" I asked my friend the electrician.

"The answer is very simple, put the relay control voltage. When the voltage is above or drop below specified level – Relay off the electricity. Worth it's not expensive, only 10-15 bucks, but from the "surge" – to protect. " Not very long thinking, I bought the relay and put a shield. Pride about his knowledge of the issues I just was overwhelmed. But all is not so easy in this life If before I was afraid of what might happen to the stories of friends and acquaintances, but now I saw firsthand, what happens to the voltage on the network in a conventional "hruschevke.

Smart Home

'Keep your head in the cold and feet warm' – was fond of saying Count Suvorov in ancient times. A little later, Comrade pronounced long-playing the idea that this security officer 'head must be cold, the heart – a hot, hands – clean. " Hardly had the figures of the past performance of convection and heat fluxes, but they got to a point. Modern experts in the field of climate challenge historical wisdom not found the cavity, and therefore in any modern home heating systems, ventilation and air conditioning (HVAC) are held on three pillars (or turtle): cooling from the top, bottom heat and clean air (the postulate of the clean hands leave for security officers). Three Pillars of a completely can turn into a swan, cancer, and pike, which create only the appearance of collaboration, but in fact ineffective and wasteful spending energy and money to the landlady.

But before talking about competent management systems, hvac, need to understand their stuffing. Let's go in order. Heating (Gray, below) According to the laws of nature has a habit of warm air rising up, and all the heating elements in the home, usually arranged so that the air had to climb. Heating elements – it's radiators and underfloor heating if you do not get involved in technical details and terminology. And those others may be electrical or used to heat the premises coolant (usually water), driving through the pipes. The system of floor heating is used mainly for heating cold floors in bathrooms, hallways and kitchen. .