Anyone got an MVHR?

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arun1uk

Original Poster:

1,045 posts

198 months

Monday 6th November 2017
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As per title, anyone got a Mechanical ventilation with heat recovery system installed in their house?

We have one, as a new build, however, really struggling to justify the benefits and consider removing.

Interested in thoughts.
Cheers

arun1uk

Original Poster:

1,045 posts

198 months

Thursday 16th November 2017
quotequote all
Yes, we're in a new build and it's a sealed house so apparently it was recommended.

We're not having any issues with it as such, it's just a very big lump and if we removed would free up a lot of space in the airing cupboard.
I did a test to see if we noticed the difference once turned off (during summer) and didn't really notice much difference.

Hadn't considered about the air quality/freshness element though.

I'd never heard of them before to be honest, and we've got controllers in the bathrooms and kitchen so we can speed up/slow the fan and level of air flow.
Maybe not worth removing in a sealed home in retrospect.

arun1uk

Original Poster:

1,045 posts

198 months

Thursday 16th November 2017
quotequote all
Thanks gents.

arun1uk

Original Poster:

1,045 posts

198 months

Thursday 16th November 2017
quotequote all
The benefits weren't explained to us, and we've just taken it for granted. It was a simple question to understand if other people have one, and associated benefits.
Not that it should make a difference to your life anyway...Not everyone is as familiar with every element of their house, as you evidently are.

arun1uk

Original Poster:

1,045 posts

198 months

Friday 17th November 2017
quotequote all
Equus said:
This is a very valid comment, unfortunately: it's far too common for new homeowners not to have this sort of technology explained to them.

I've known people who spent all summer stewing, because nobody explained that their MVHR had a summer bypass setting to stop it 'recovering' all the heat from solar gain back into the building, and the number of people who don't know understand the limitations of heat pumps and the best ways to work around them is depressing.

And if the benefits weren't explained, I'm guessing that the limitations weren't, either?

Are you aware that there are filters that must be regularly changed, and that it must be periodically serviced - including rebalancing the registers in each room - to maintain efficiency?
I’m glad someone has perspective and balance. Thank you.
You’re spot on, neither were fully explained (benefits/drawbacks), however I’ve researched enough to maintain it. To be fair, we didn’t really think about it and focussed on other things - our issue really.

With ours, I clean the 2 x filters monthly, and every 2 months have to top up the water reservoir to stop sewage smells. We balance the tolerances in each room twice yearly which has worked fine.

I’ll admit we only discovered the summer bypass this year....but it really helped.

Do you know what else needs servicing? The fan unit and motor itself?