eHouse Home Automation , Building Management – using free energy sources .

Optimal use of free and green energy requires a system Control Automation that make the best use of the energy source , It produces energy when not it takes . This requires metering and create large amounts of heat-triggered independent segments automatically based on such the presence of the sun , his direction, etc. .

Otherwise, lack of Home Automation for heating can cause a negative energy balance , which means a loss of heat energy and efficiency drop .

Automatic heating and ventilation must therefore work together, do not appear to work conflicts, eg . fireplace warms and cools recuperator, or disables the boiler solar .

Despite the well-known expression “Free Energy” equipment for its manufacture, or “reception” are neither free nor cheap.

Additionally, after some time they start to go bad, lose efficiency or even unsuitable for anything.

An example is generally known, for example, the heat pump .

In theory, it is a device ” perpetual motion ” , which gives you much more energy than it is inserted (about of 5 , 6 times) .

It is very convenient , because under optimal conditions takes 1kW power and in return gives 5 – 6 kilowatts of heat energy .

In the case of sub-optimal conditions , mismatches to the needs , we come to the situation , that the heat pump works like a electric heater with an efficiency of 100 % (Downloading and giving 1Q /1Q , with the use of the most expensive form of energy which is electricity).

Assuming the maximum theoretical efficiency of the device , the price including installation , the reimbursement time is estimated to be about 15 years .

This time it is unrealistic to achieve, even in the theoretical , because it is difficult to establish even the most optimistic , the unit by that time not once will not break down .

In addition, we are talking about ideal conditions (for obtaining maximum efficiency – theory) .

In the case of performance limitations due to the actual conditions , recovery time and installation costs of the device can be extended by a further 50 % .

This makes it necessary to look at the long-term and real earnings .

We have a similar situation with the recuperator , which has a theoretical efficiency of 80 – 90 % .

However, if the temperature at the outlet is lower than the room , most recuperators reheats it using a simple electric heater , which generates losses , by using the electrical energy to heat .

Recuperator efficiency also decreases , the change in pressure with respect to the optimal .

In addition, the recuperator can hurt us if we apply it enters the ground heat exchanger , where there are too much pressure loss , causing the exhaust air from the house to the recuperator is stronger than supply for home.

In this case, the house forms a momentary vacuum , which causes the intake of cold air from outside the building through leaks , chimneys , shafts , fireplace, etc. .

In the extreme situation of the recuperator get one fan pulling hot air out of the house , just like a normal bathroom fan.

Considering power of both recuperator fans about 250W-500W we have loose of enegry even worst.

Performance and efficiency of the entire heating system, require optimal setting and automation, so it can be very easily exposed to a significant decrease as a result of sub-optimal operation of equipment and the lack of a common and intelligent Control .

In the case of the use of alternative sources of free and low-cost energy as ,solar , Fireplace with water jacket , Solid fuel boiler and its optimum automation and integrated control , often did we would get a much higher energy gains , due to the operation of the devices in optimal conditions, the maximum efficiency , sometimes unattended .

It also affects the life time of heating devices , as heat pumps , timpani , fireplace , recuperator , which operate at optimum performance and not the extreme , outside the normal limits.

Given the continuous increase in the price of electricity and energy for heating and the increasingly stringent energy standards is necessary for the optimal and economical use of the heating system and boiler , We make it stand on its heat , when energy prices will rise in a few years 2 times or more.

Consideration should also take the state of affairs , that the building is unlikely to improve their thermal parameters, and sometimes needs increasing amounts of heat energy , to keep the temperature the same as a few years ago .

This is due to the formation of leakage , damp walls and insulation , creating cracks in the walls , plumbing leaks , insulation aging , etc .
The principle of thinking ” No matter how much expenses for heating , so important to earn for this ” This is becoming shorter legs and in the future may be , that was too high energy consumption per square meter or a person will have to pay a penalty .

This is one of the main reasons for determining – “house for the enemy” .

In this context, the boiler , ventilation and heating control automation , you need to make the stock and the excess , leaving a place for “Plan B” , if it turns out , that our theoretical considerations did not come home and use is uneconomical .

Leaving the option of use and installation of solar collectors , boilers for other types of fuel is required to enjoy your own home .

Home Automation – boiler control room

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