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Ventilation & Heat Recovery systems |
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Frequently Asked Questions
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Is my house suitable for Balanced Ventilation? |
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What is the best type of heating to use with heat recovery ventilation? |
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Do I need two vents in every room of the house? |
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What are the main noticeable differences in the house? |
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Can this ventilation system help my asthma? |
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Is a ventilation system noisy? |
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What about maintenance? |
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Can I open a window? |
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Where does the unit go in the house? |
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What about the 4” hole in the wall in my rooms? |
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Can I change or clean the filters myself? |
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Is my house suitable for Balanced Ventilation? |
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New houses build to high standards are usually perfectly suitable for a Balanced Ventilation System with Heat Recovery. For older buildings a simpler mechanical ventilation system is more appropriate.
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- It is important to dedicate enough space, e.g. in the utility, store room etc. to allow for installation of the Heat Recovery Unit.
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- In vaulted ceilings an unobstructed space of a minimum of 150mm (6 inch) is required.
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- Steel girders often present a problem. The designing engineer may have to allow for 80mm holes through these.
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- Our installer has to visit the site at an early stage, e.g. when the roof is felted. This is to mark out provisions that need to be made to accommodate our system, such as holes that need to be bored for the pipe work.
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- A gap of a minimum of 10mm under each internal door is required to allow air movement between rooms.
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- An independent air supply is to be provided for stoves, open fires and cooker hoods with flue.
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- Our system is installed after the roof is on the house and before any slab work is done inside the house.
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- Our system is installed after the roof is on the house and before any slab work is done inside the house.
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What is the best type of heating to use with heat recovery ventilation? |
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It is important to look at the overall efficiency of your house. Oil, gas, geothermal, or most other types of heating can be used. |
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Do I need two vents in every room of the house? |
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No. Fresh filtered air comes in where it is most necessary like living and sleeping areas and leaves through bathrooms, toilets, kitchen and utility rooms. However, very large rooms may need more than one supply vent. |
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What are the main noticeable differences in the house? |
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- No mould growth in bathrooms or bedrooms.
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- Less noise from outside, no more ventilation holes in external walls.
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- Less dust as windows can be kept closed
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- Fresh smelling bathrooms because air is constantly being changed
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- Increased security (windows closed)
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- Waking up feeling refreshed, instead of groggy due to lack of oxygen
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Can this ventilation system help my asthma? |
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An optional high grade cartridge filter that removes air-borne dust, plant spores and pollen, dust mites and their excreta, cement dust, bacteria, carbon staining and smoke, can certainly help. The overall air quality within the house is significantly increased |
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Is a ventilation system noisy? |
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Properly designed and installed and with build-in silencers our system are very quiet. Also, the unit will be set up for maximum efficiency, which means low fan speed at off peak times. |
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What about maintenance? |
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All our ventilation systems are low maintenance. Maintenance is usually limited to the cleaning and replacement of filters and the cleaning of air vents, which can be done by you.The unit should be checked at least once every two years. A maintenance contract would mean that you do not have to worry about this. |
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Can I open a window? |
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Yes. In the summer you could open the windows to cool down, although the system has an automatic summer bypass to prevent the incoming air travelling over the heat exchanger. Warm stale air is taken out and fresh outside air that is not warmed by the out-going air is brought in. The air is moving through the house will then have a comfortable cooling effect. |
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Where does the unit go in the house? |
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Generally the unit is installed in a utility room or in the attic space. It can be made to fit anywhere in the house. |
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What about the 4” hole in the wall in my rooms? |
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That is not needed anymore.The tighter you seal up your house the better your system will work. You will be getting a constant supply of fresh, clean air. |
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Can I change or clean the filters myself? |
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Yes, it is very simple. Take off the front cover and the filters just slide out. The Owners’ Manual will give you further instructions. |
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