Starting out on my heat pump journey

[Joeboy]

Be interesting to see how you get on with your daughter home with regards to hot water, presume that will be three of you in the house?

Heat Calcs are done on a specialist site inputting construction details etc. Others I've seen has said its pretty accurate, but obviously depends on the data used.

https://heatpunk.co.uk/

Daughters bedroom lagging quite a lot overnight, I really need to get that window sorted, and rule that out, plus add some more loft insulation, perhaps a job for next weekend.

It will be four of us then.

[Joeboy]

I looked this morning and here's the score on the dhw while 11degs outdoors. It heats up fast!

[Ronski]

I looked this morning and here's the score on the dhw while 11degs outdoors. It heats up fast!

I suppose one benefit of having a smaller tank is it heats up quickly, so if you do need to heat it twice a day, overall it probably takes no longer than a larger tank. How's the hot water situation been over Christmas?

I made a start on fitting some more loft installation, not an easy task in our loft as I'm a bit of a hoarder, so not much space, also sorted out a bit of stuff we don't need.

Before.



Extra 200mm added making 400mm on this part, started over the problem room, bull will do it all of it apart from the centre which is floored and has 200mm under it. I'm making sure I maintain the air circulation down to the eaves as well
Going to put some more shelving up, so I can tidy up and sort stuff out more easily.

[NoraBatty]

Love the plastic over the nasty stuff. Great idea.

[Stinsy]

I looked this morning and here's the score on the dhw while 11degs outdoors. It heats up fast!

I suppose one benefit of having a smaller tank is it heats up quickly, so if you do need to heat it twice a day, overall it probably takes no longer than a larger tank. How's the hot water situation been over Christmas?

I made a start on fitting some more loft installation, not an easy task in our loft as I'm a bit of a hoarder, so not much space, also sorted out a bit of stuff we don't need.

Before.



Extra 200mm added making 400mm on this part, started over the problem room, bull will do it all of it apart from the centre which is floored and has 200mm under it. I'm making sure I maintain the air circulation down to the eaves as well
Going to put some more shelving up, so I can tidy up and sort stuff out more easily.

That plastic on the cold side of the insulation is a really bad idea! The warm damp air from the house needs to escape into the loft and be ventilated away. The plastic is trapping the moisture in. Lots of people play fast and loose with dew point and some get away with it, but you'd be wise to do the job properly. For example you might be a couple living in a 4-bed house and you might shower at the gym. So no damp/rot problems. But what happens when your son and his girlfriend move back home (or whatever)...

I remember the very start of my eco journey finding a signal booster in our loft that had been powered 24/7/365 however we hadn't watched terrestrial telly since moving in a decade before. 100kWh a year saved by yeeting that one device!

[Ronski]

That plastic on the cold side of the insulation is a really bad idea! The warm damp air from the house needs to escape into the loft and be ventilated away. The plastic is trapping the moisture in. Lots of people play fast and loose with dew point and some get away with it, but you'd be wise to do the job properly. For example you might be a couple living in a 4-bed house and you might shower at the gym. So no damp/rot problems. But what happens when your son and his girlfriend move back home (or whatever)...

I remember the very start of my eco journey finding a signal booster in our loft that had been powered 24/7/365 however we hadn't watched terrestrial telly since moving in a decade before. 100kWh a year saved by yeeting that one device!

Good point, I best remove the plastic (although it is perforated but not very well), which means removing the insulation I put in yesterday It was a building inspector that actually recommended that insulation when we built the extension 20 years ago.

A good point for others, but in our case the multiswitch has been disconnected ever since we stopped using satellite TV quite a few years ago, look carefully and you can see the the incoming black aerial cable connected to one white coax, this goes to our TV server (Mediaportal), the plug is also laid on to the side of the unit, although that could have been temporary. All the work I did to install that system, and it's now basically redundant, it will all eventually be IP, no aerials or dishes.

[Stinsy]

That plastic on the cold side of the insulation is a really bad idea! The warm damp air from the house needs to escape into the loft and be ventilated away. The plastic is trapping the moisture in. Lots of people play fast and loose with dew point and some get away with it, but you'd be wise to do the job properly. For example you might be a couple living in a 4-bed house and you might shower at the gym. So no damp/rot problems. But what happens when your son and his girlfriend move back home (or whatever)...

I remember the very start of my eco journey finding a signal booster in our loft that had been powered 24/7/365 however we hadn't watched terrestrial telly since moving in a decade before. 100kWh a year saved by yeeting that one device!

Good point, I best remove the plastic (although it is perforated but not very well), which means removing the insulation I put in yesterday It was a building inspector that actually recommended that insulation when we built the extension 20 years ago.

A good point for others, but in our case the multiswitch has been disconnected ever since we stopped using satellite TV quite a few years ago, look carefully and you can see the the incoming black aerial cable connected to one white coax, this goes to our TV server (Mediaportal), the plug is also laid on to the side of the unit, although that could have been temporary. All the work I did to install that system, and it's now basically redundant, it will all eventually be IP, no aerials or dishes.

We've been all-IP for years. Don't actually watch much telly to be fair. But the Mrs likes the dancing program on BBC the firestick app provides that perfectly. And the kids generally watch YouTube...

[Joeboy]

On the upside, you get to admire the work twice. Plus knowing you are now on the ashp journey.

We'd be interested to hear your quotes and details when they roll around?

[Ronski]

We like to record a lot of the TV series, I mainly watch about an hour a night, except for Friday, Saturday and Sunday when you'll find me in my purpose built cinema room. Whilst iPlayer is very good, ITV Player or ITVx as it is now known is a complete nightmare, so just easier to record or watch live TV, and the Mrs finds that easier than juggling apps, just one thing she needs to know how to use. Think we started with MCE in 2006, then moved to MP around 2011 IIRC.

https://www.avforums.com/threads/ronski ... d.1973994/

Link to build thread in the first post above.

I will for sure post up quotes etc, once I get to that stage.

[Ronski]

I've removed the first lot of plastic from the area I did yesterday, some of it does feel wet to the touch although I do have Nitrile gloves on.

It actually comes off very easily, it tears along the seem, pull it at the correct angle and the insulation insides stays pretty much in place.




Bit off a rant, but I got Knauf 200mm Insulation Super Top Up Loft Roll from Wickes, I get 10% discount and its quickly and easily available. It doesn't say on Wickes site, but this is precut to fit between rafters. This is not designed to go between rafters, how many houses have 200mm ceiling rafters??? Its designed as a top up to go over existing insulation, these precuts makes. it a lot harder to install, and also means the possibility of gaps if not fitted snuggly. Trying to manoeuvre it around these precuts tear very easily.