Implication of not using MVHR

[G and J]

  On 11/03/2025 at 11:06, JohnMo said:

I know that feeling. I eventually went down the path of what I can do well. Plasterboard - no, too heavy, walls ok but not ceiling. So got someone else to do it all. Joint Taping, the same.

Electrics - no

Second fix joinery - no. 

Roofing - no, likely to kill myself.

Windows - no one company does it all 

Everything else was fair game.

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Very similar in approach, with a slight nuance of our build being a project of two halves.  
 

1: To properly watertight - meaning main roof/solar/rainwear/render/cladding/etc done so scaffold can go forever.  This is pre house sale so budget squeaks.  
 

2: The rest. Post house sale so budget squeaks rather less.  I hope. 
 

In software programme management there was a saying.  The first 90% of the work takes 90% of the budget.  The remaining 10% of the work takes the other 90% of the budget.  I do hope that’s not what we end up doing. 

[G and J]

  On 11/03/2025 at 12:05, Dave Jones said:

 

if your build is 3 month stasrt to finish timber frame is worth the premium if not your wasting the double cost of a timber frame over a standard build.

 

that wasted cash can buy a lot of 2nd fix items.

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Tight site so need sensible u value for thinnish walls.  Plus we want to get to watertight pdq.  But as a general principle I can easily imagine you are correct.  
 

Ok coffee gone.  Really must commune with my shovel again….

[MJNewton]

  On 10/03/2025 at 12:40, JohnMo said:

Not sure of your ventilation requirements but here is a unit after 10 seconds on eBay - less than £500. Titon are a good make, have good tech support in UK and UK made, with full spares support.

 

https://www.ebay.co.uk/itm/405573660870?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=eo-y_vbiseu&sssrc=4429486&ssuid=8KgwDlAbTJS&var=&widget_ver=artemis&media=COPY

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We've got a Titon - also bought on ebay as it happens - and have been very pleased with it. Ours is quite a basic model but I've retrofitted various external controls to improve its functionality a bit.

 

Re technical support I was pleasantly surprised to even receive a response to my request for further info about the summer bypass logic, and they also sent a service manual too which I wondered was down to me sounding like 'the type that like to tinker with things'!

[mistake_not]

  On 10/03/2025 at 12:40, JohnMo said:

Not sure of your ventilation requirements but here is a unit after 10 seconds on eBay - less than £500. Titon are a good make, have good tech support in UK and UK made, with full spares support.

 

https://www.ebay.co.uk/itm/405573660870?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=eo-y_vbiseu&sssrc=4429486&ssuid=8KgwDlAbTJS&var=&widget_ver=artemis&media=COPY

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I have ordered one of these from this seller. Lets see how it goes!