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Heat Recovery - Enervent
With modern houses being highly insulated and draught proofed, it is essential to ensure that the costly heat in the house is kept inside. In many houses the heat is allowed to leak out through trickle vents, wall vents, etc, without the heat being captured and reused in the house. Simply making the house airtight is not an acceptable solution. This leads to a very unhealthy indoor climate, with possible high levels of radon, allergens, moisture and carbon dioxide. By using a ventilation energy recovery unit from Enervent, we can help you ensure that your house is warm, safe, energy efficient and comfortable for you and your family. Our system will remove stale dirty air, and replace it with fresh, clean, filtered air, while recovering the valuable heat from the outgoing air and efficiently transferring it to the incoming air. |
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Rotary Heat Exchanger
| In the ventilation unit a rotating wheel is used to warm up the cold outside air before it is taken inside the building. The heat exchanger absorbs heat from the exhaust air and with this warms up the cold outside air. The wheel has to rotate between these two airflows to achieve heat transfer. The rotary heat exchanger is the most efficient and cost saving way of recovering energy during winter. In the warm weather cold is recovered with the same high efficiency. The smallest standard rotating wheel produced by Enervent, has a heat transfer surface of 55 mē which gives an excellent heat recovery efficiency of 75 - 85 % depending on the supply and exhaust air volumes. The rotating wheel can operate in lower outside air temperatures without freezing than other types of heat exchangers. With a rotating heat exchanger we are able to balance the humidity inside the house in the winter on a healthy level between 35 -50 %, because the wheel also recovers some of the humidity on the supply and exhaust air volumes. All Enervent ventilation units are constructed for use throughout the year. Additional heating is seldom needed because the efficiency is as high as 85 %. Along with providing good indoor air quality, Enervent units save more heating energy than most other heat recovery units - all thanks to the high through the year efficiency. 
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