Heat Recovery Ventilator

The other name of Heat Recovery Ventilation is mechanical ventilation heat recovery. The main function of the Heat Recovery Ventilation is to provide fresh air and better climate control and it also saves energy by reducing the heating and cooling requirements for most of the applications including vehicles. The biggest advantage of Heat Recovery Ventilation is that it helps you to enjoy a comfortable climatic condition without inviting any unwanted contaminants. During the times when you cannot open a window due to extreme climatic conditions it is the Heat Recovery Ventilation or the HRV system that gives you the necessary fresh air. For example, during the winter months the HRV system has the mechanism to harness heat from inside the room and transfer it to the fresh air outside thus making the internal environment comfortable.

The next question that pops up in our minds is the mode of functioning of the HRVs. To put it simply, Heat Recovery Ventilation system is somewhat similar to balanced ventilation. It helps the bad air from within the home to go out while it retains the heat from the outgoing air and transfers to the incoming fresh air. The unit has two fans, one is used to take out bad air from the house and the other is used to push fresh air into the room. A HRV is different from many other appliances in the fact that it has a heat exchange core. It is the core that transfers the heat from the outgoing air to the incoming air. The core comprises a series of alternate passages through which the incoming air and the outgoing air flow in and out. In this system as the air streams move through, the heat is transferred from warm side of each passage to the cold and the best thing is that the two streams never mix.

It is true that HRVs are also effective during the summer months when it takes away warm air from the outgoing air and transfers it to the stale air conditioned exhaust air but in reality these systems are more effective during the winter months. It has been seen that good quality HRVs can take almost 85% of the heat from the outgoing air and transfer it to the fresh incoming air. However, the amount of heat absorbed largely depends on a particular situation and also on the quality of the HRV system.

Some of the benefits associated with Heat Recovery Ventilation include the following:

• It allows fresh air into the rooms.
• It provides a warm yet well-ventilated room.
• The system also helps in saving on the heating bills.
• It also reduces the need of air conditioners.
• It takes excessive moisture away from the buildings.
• Such systems help in the overall improvement of health of the people residing because they can take in fresh air.
• Last but not the least, an improved climate control is expected within the internal space of a building.

So now you can easily enjoy fresh air without having to bear the chilling effect of the winter.

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