HRV installed laterally

Forums › Home Workshop DIY › HRV installed laterally - OK?

MoseTheBushpig

3 posts

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#251123 10-Jun-2019 08:41

We've just bought a property on Waiheke and it's a bit of a project. The previous owners seem to have had a phobia towards doing things the right way or doing any general maintenance at all.

Anyway, I went up into the ceiling last weekend to check the HRV and filter. The first thing I noticed was the amount of junk the previous owners had stuffed up there for us - brilliant. The second thing was that the HRV seems to have been installed fully laterally. There seems to be no reason why this should've been done - as I would've thought the intake should be as high as possible? - but this kind of thing is completely inline with the illogicality of the previous owners.

I have no previous experience with HRVs, but they look simple enough to replace a filter, etc. Just wanting to check whether anybody had seen an example of a system installed in this way?

[Mod edit: removed broken link to image. Please upload to Geekzone for easier image embed]

timmmay

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#2255038 10-Jun-2019 08:44

Can you use a flash and take a photo?

Best guess, I can't see how it would matter which way up it's installed.

I stopped taking air from the ceiling cavity in my very old house. The ceiling cavity has so many cobwebs, insulation (once I added it), old rat droppings, massive amounts of dust, it was making the house smell bad. I take air from the eaves, which is colder but much cleaner. Yes you do get a bit of extra heat from up there for part of the day in winter, but not all that much I found. I also have a timer on it so it only runs 9am - 3pm in winter, I don't want cold air blown into the house all night.

rphenix

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#2255039 10-Jun-2019 08:46

Something is wrong with the link your using.

aucklander

477 posts

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#2255214 10-Jun-2019 12:31

HRV on its side? - I guess you refer to the main unit (which houses the fan and the filters).

Maybe there was better access that way for removing the filters? or to do the electrical connection?

If there is a condensate drain point on the system, then it should always be at the bottom (not sure if thje unit has a heat exchanger or not - if there is a heat exchanger then it might generate condensate under some conditions).

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kingjj

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#2256052 11-Jun-2019 13:38

The DVS in our old house was installed laterally, about half way between roof and ceiling. Worked fine.

HRV in our current house has 3 separate units, each is installed horizontally with about half a metre clearance from the roof. I imagine it'd be a bit of a pain to rotate, is it working alright as is?