New self build design, heat and architect

[Nickfromwales]

7 hours ago, LnP said:

The drawings are impressive, but how well do they match the reality of the installation? Were you able to follow the routes shown in the drawings?

The key word is “reality”. 
 

These drawings are single discipline, unless you have provided a ‘line out’ of your other large bore services such as soil and waste pipework etc, so that is always the crux.

 

Current project, CVC supporting and myself installing (and adapting the design to suit) on the fly:

 

 

 

I changed a few bits around, and did my own thing with the manifolds to make it more sympathetic. 
 

Actual install when it was WIP:

 

 

 

As you can see, I abandoned the square box manifolds as I had other services in some of the posi joist voids which took up too much space; these needed to take priority so needs must.

 

It gets very busy very quickly, but this is a sizeable home (~400m2) and I had to get a lot of ‘stuff’ squeezed in.

 

The MVHR install is considerable, but I have installed it all with ZERO impact on GIA; no boxing in etc, and CVC providing solutions to achieve this wherever I needed to reach out. 
 

 

It would 100% been a complete PITA to have to do this from scratch with no initial design, and I have a long history of such installations and am very capable, so any novice or DIY self-builder should defo reach out for support and CVC will do their best (based on the information you give them  ). 

[Oz07]

2 hours ago, Nickfromwales said:

The key word is “reality”. 
 

These drawings are single discipline, unless you have provided a ‘line out’ of your other large bore services such as soil and waste pipework etc, so that is always the crux.

 

Current project, CVC supporting and myself installing (and adapting the design to suit) on the fly:

 

 

 

I changed a few bits around, and did my own thing with the manifolds to make it more sympathetic. 
 

Actual install when it was WIP:

 

 

 

As you can see, I abandoned the square box manifolds as I had other services in some of the posi joist voids which took up too much space; these needed to take priority so needs must.

 

It gets very busy very quickly, but this is a sizeable home (~400m2) and I had to get a lot of ‘stuff’ squeezed in.

 

The MVHR install is considerable, but I have installed it all with ZERO impact on GIA; no boxing in etc, and CVC providing solutions to achieve this wherever I needed to reach out. 
 

 

It would 100% been a complete PITA to have to do this from scratch with no initial design, and I have a long history of such installations and am very capable, so any novice or DIY self-builder should defo reach out for support and CVC will do their best (based on the information you give them  ). 

Why is all the soil pipework UG? Suppose it doesn't matter anyway

[saveasteading]

Did you have to forego any areas of insulation in the outer walls?

[LnP]

5 hours ago, Nickfromwales said:

 

Current project, CVC supporting and myself installing (and adapting the design to suit) on the fly:

 

That's an impressive installation and it's good to hear you get good support from CVC. What I'm seeing though is that they are expensive. For my 280 m² house CVC quoted £9071 supply of materials excluding the duct layout or commissioning for a Brink Flair. That included a 30% discount. Heat Space and Light quoted £7665 supply of materials including the duct layout and commissioning for a Zehnder.

[Great_scot_selfbuild]

54 minutes ago, LnP said:

That's an impressive installation and it's good to hear you get good support from CVC. What I'm seeing though is that they are expensive. For my 280 m² house CVC quoted £9071 supply of materials excluding the duct layout or commissioning for a Brink Flair. That included a 30% discount. Heat Space and Light quoted £7665 supply of materials including the duct layout and commissioning for a Zehnder.

Interesting - mine came in at £6103 (CVC) for not far off a similar size. 

[Indy]

6 hours ago, LnP said:

That's an impressive installation and it's good to hear you get good support from CVC. What I'm seeing though is that they are expensive. For my 280 m² house CVC quoted £9071 supply of materials excluding the duct layout or commissioning for a Brink Flair. That included a 30% discount. Heat Space and Light quoted £7665 supply of materials including the duct layout and commissioning for a Zehnder.

Similar size and similar price for us from HSL. I can’t remember the exact amount but it was around £7.5k for the design, materials and commissioning. We did get the larger 90mm ducts as part of the package. 

[Nickfromwales]

10 hours ago, Oz07 said:

Why is all the soil pipework UG? Suppose it doesn't matter anyway

Exactly that, just doesn’t matter for one, but in domestic you get a poor selection of fittings whereas the UG stuff opens up a much greater selection. 🤝👍

[Nickfromwales]

7 hours ago, saveasteading said:

Did you have to forego any areas of insulation in the outer walls?

Only where the ducts go to atmosphere.