split units with fresh air

[gwilliamson]

Can anyone recommend a wall split unit for light commercial/ Domestic use with a fresh air option ie punchout hole for air changes?
Many thanks
for any help?

[chemi-cool]

Some years back, I have seen local mini splits with a punch off hole at the back for resh air.
I dont think they make them any more but what it more simple then making a small hole in the wall and install the smallest fan for fresh air.

Chemi

[frank]

It's very difficult to get a wall mounted split that can take a direct fresh air input but most make of cassettes or ducted units have this facility.

One thing to remember though is to not introduce more than 10% by volume of fresh air (against the rated unit air volume) into the unit or you will decrease the unit's capacity (heating or cooling)

[rbartlett]

there is one but it's from a manufacturer I dare not speak it's name

cheers

richard

[gwilliamson]

go on whats their name?

[Peter_1]

I dare,...
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[Brian_UK]

Another thing to be wary off when using a fresh air addition to a wall mount is filtration.

Whenever I have come across units with fresh air ducted to them the coils have been in a terrible state because of the lack of proper filters fitted to the fresh air supply system.

[Lc_shi]

Use energy recovery ventilator is a good choice. Split unit with fresh air make the system more complicated,it's not a good idea.

[Temprite]

Use energy recovery ventilator is a good choice. Split unit with fresh air make the system more complicated,it's not a good idea.

Like a lossnay by mitsubishi electric.

[Clive Woods]

Hi,

you could try http://www.global-cooling.co.uk/millennium9fpanel.php

[techguy]

Panasonic Do a small wall with a fresh air option with a filter fitted on the FA as standard
never used it but have seen the sales info looks oK

T

[Daddy Cool]

Marc is right, Hitachi do have two models generically named the 'air-exchanger' they bring in more than the Panasonic models, but it depends on how much fresh air yu wish to introduce. Don't expect 12l/s.

[MRcoolingMAJIC]

Can I add that I think Hitachi are the best mini-split ac manufacturer.

Thanx for the attention.

[frank]

Can I add that I think Hitachi are the best mini-split ac manufacturer.

Thanx for the attention.

Now there's a turn up for the books.

Mr Majic - don't you like GL anymore??

[Brian_UK]

Can I add that I think Hitachi are the best mini-split ac manufacturer.....

No, you can't.

[Daddy Cool]

i think it was a rhetorical question, maybe more a statement?