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Ex holiday cottage as new family home.
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adam2
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Joined: 02 Jul 2007
Posts: 7362
Location: North Somerset

PostPosted: Wed Sep 26, 2018 2:11 pm    Post subject: Reply with quote

Yes, the outside air was only 6 degrees during a recent night.
The property is reasonably well insulated, which helps to retain heat, but you have to have some heat in the first place.

I suspect that the considerable thermal mass will slowly warm up.
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kenneal - lagger
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Joined: 20 Sep 2006
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Location: Newbury, Berkshire

PostPosted: Wed Sep 26, 2018 2:19 pm    Post subject: Reply with quote

Our thermal mass is warm, still, from the summer despite having had windows open for the painters for the last week.

We've got them open again today as its just over 22 outside and just over 21 inside,
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RenewableCandy



Joined: 12 Sep 2007
Posts: 12652
Location: York

PostPosted: Wed Oct 03, 2018 8:40 pm    Post subject: Reply with quote

kenneal - lagger wrote:
adam2 wrote:
...Heating works fine, whether by luck or design I know not ! With a modest fire in the stove, the main living area reaches an average of 22 degrees and the upstairs about 20 degrees.
....


Heating? Already?

Southerners Laughing

But to be fair, they'll want to test it befor the Big Freeze.
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adam2
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Location: North Somerset

PostPosted: Fri Oct 19, 2018 1:30 pm    Post subject: Reply with quote

Overnight frost recently.
Heating OK, space temperatures about 20 to 22 degrees with a decent fire.

Pv modules seem fine despite a suspiciously low price. One charge controller has blown up, it actually caught fire which could have ended very badly, but it was on a concrete wall.

A large Rutland wind turbine is doing well.

Lighting was initially judged inadequate, but the fitting of multi-lamp chandeliers in the main living room has helped, selective switching gives a choice of 3 lighting levels.
Various 13 watt fluorescent lights replaced with 36 watt.

The garden is still full of rocks and gravel and will require a lot of work.

The younger children seem happier after not taking to the new arrangements at first.
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kenneal - lagger
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PostPosted: Fri Oct 19, 2018 2:22 pm    Post subject: Reply with quote

We've only had one fire in the living room so far this autumn. We do have the cooker/boiler on for about a couple of hours one or two days a week to top up the temperature in the hot water tank but that doesn't contribute much heat to the house.

Our house isn't that well insulated with a wall U-value of about 0.6 but we do have thermal mass and south facing french doors. That house doesn't seen to be doing that well on the heating front, Adam.
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adam2
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PostPosted: Fri Oct 19, 2018 3:02 pm    Post subject: Reply with quote

It is not ideal, but is in a very exposed position and is a very large house.
5 large bedrooms, large study/library/spare bedroom.
Generous open plan kitchen and living area, and separate large utility room.

The only readily rectified sources of heat loss seem to be the front door and the patio doors. renewals are planned.

The main fuel used at present is artificial logs, and small oak logs.

The children frequently request more fuel on the fire "because the cats are cold" Even I as a cat lover, have suggested not pandering too much. The cats are large happy, well fed, and have thick coats.
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kenneal - lagger
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PostPosted: Fri Oct 19, 2018 5:21 pm    Post subject: Reply with quote

adam2 wrote:
.......The main fuel used at present is artificial logs, and small oak logs.

The children frequently request more fuel on the fire "because the cats are cold" Even I as a cat lover, have suggested not pandering too much. The cats are large happy, well fed, and have thick coats.


That child psychology for "I want anther log on the fire." Surprised anyone would fall for that!
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adam2
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PostPosted: Wed Oct 31, 2018 5:10 pm    Post subject: Reply with quote

Agree, I doubt that the cats are actually cold, they are well fed and have good coats (I helped to choose the cats from a charity, they are re-domesticated from a feral colony)

I Recently visited and found the temperatures much improved.
Consumption of artificial logs has been around 20 kg a day, which probably equates to about 25 kg of real wood as the artificial logs are said to have a higher calorific value.

The main living area varies from 20 degrees up to 24 degrees depending on where measured.
Bedrooms are about 21 degrees.
The study and library is about 12 degrees and too cold to use without lighting the open fire.

LPG consumption is about 2kg a day so far, mainly for cooking and a gas heater in the bathroom.
Numerous LPG lights are installed but are not normally used, apart from the kitchen one that is lit if eating in the kitchen.

The battery charging PV installation is doing well.

Diesel consumption for the generator is only about 10 litres a week, and will decline in the spring.
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adam2
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PostPosted: Sat Nov 10, 2018 7:54 pm    Post subject: Reply with quote

Update.
The Rutland wind turbines have performed excellently in the recent high winds, producing close to the rated power for 2 days continually.

Diesel generator use much reduced.

LPG use reduced by a couple of electric towel rails in the bathroom. The LPG lights in the kitchen are still preferred over the electric lights when eating in the kitchen.

Several neighbours suffered damage from the high winds, but my friends have escaped unscathed.
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adam2
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PostPosted: Mon Nov 26, 2018 2:06 am    Post subject: Reply with quote

All going fairly well.
Heating and domestic hot water from wood stove performing well, 20 kilos of logs a day in average weather, but up to 30 kilos in the recent cold spell.

The two younger children were not entirely happy initially, but have now settled in very well.

The library/study/spare room was unusably cold and did not warm up noticeably with rest of the house, unless a 3KW electric heater was used.

I loaned them my spare Tilley infrared radiator which helped considerably though at significant running cost.

A small wood stove is to be installed, similar to mine.

Lighting has been found rather inadequate in many areas, upgrades now completed.
Wind turbines performing excellently, though it is a windy site.
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adam2
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PostPosted: Wed Dec 26, 2018 4:05 pm    Post subject: Reply with quote

All generally going well.
I was invited to a Christmas meal, so have more detail.
The largest bedroom had been divided into two rooms, one for a kid and one spare, with bunks for 4 visitors.
Each child has their own bedroom normally, but fitted with bunks so that a second person may be accommodated.
Heating adequate throughout except for the library which is very cold indeed, the guests staying in this room used the Tilley infra red heater all night, contrary to the usual advice.
Attempts to light the open fire in this room filled the house with smoke, I suspect a bird nest.

Battery was a bit low so the generator was run for several hours. No significant power from the two wind turbines.
Lighting now adequate throughout.

S/H large DC fridge freezer works fine.
LPG cooker in regular use.

Many overnight guests and consequent extra hot water demand meant that the immersion heater was used for the first time apart from testing.
Hot water production can be increased only by running the stove hotter, but there are limits to this.
The main ground floor room was at about 23 degrees.
The hot water tank dropped to 45 degrees, from the norm of about 60.
The heating system averaged about 70 degrees flow and 50 degrees return.

The younger children who previously have not been entirely happy, pronounced this the best Christmas ever.

A splendid meal of slow roasted mutton was enjoyed, with ample home brewed ale, and a small morsel of Port.
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adam2
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PostPosted: Thu Jan 24, 2019 2:59 pm    Post subject: Reply with quote

The current colder weather has proved a good test of heating arrangements.

Heating generally good, main living and cooking area varies from 20 degrees up to 24 degrees depending on where measured.
Bedrooms vary from 16 to 20 degrees.
Bathroom 22 degrees.
Wood consumption has been at least 35 kilos a day during the cold weather, reasonable for a large house. Mainly construction offcuts at present, large chunks of pine.

Hot water supply ample from the large stove, the electric immersion heater powered from the generator was only needed with visitors staying.

A small multifuel stove has been installed in library/spare room and has greatly improved matters, this room was previously unusably cold without an electric or paraffin heater.
By leaving the door open, the upstairs is also warmed as the heated air rises up the stairs.
This small stove does not burn well with large logs, but performs excellently with small oak logs, of which a large supply is available. Uses about 10 or 15 kilos a day.

The garden fence has blown down and thus let the neighbours sheep into the garden. They wander around "looking sad"

The children are much happier and very attached to the pet cats, I think that the children were cold initially.
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Vortex2



Joined: 13 Jan 2019
Posts: 237

PostPosted: Thu Jan 24, 2019 11:50 pm    Post subject: Reply with quote

A good starting point would be to conduct a Geological Survey - typical cost £400.

Ours cost £5k and required a 3 person team and a tracked mini oil rig drilling for HOURS.
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Vortex2



Joined: 13 Jan 2019
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PostPosted: Thu Jan 24, 2019 11:55 pm    Post subject: Reply with quote

There is supposedly a house in Brisbane where the builders put in a 19000 litre hot water tank in the basement.

The Cropthorne Passive House which is near us did something similar, using a stack of huge ex-orange juice containers. They fill their basement.

Rather less eco, they deliberately used 150 tonnes of concrete in the construction to act as a thermal mass.

We used ZERO concrete in our build.

We do however use a couple of tonnes of ceramic board as noise isolation and thermal mass.
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Vortex2



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PostPosted: Fri Jan 25, 2019 12:01 am    Post subject: Reply with quote

Is that what a dowser costs nowadays!!

Our geolgical survey drillers insisted that dowsing worked very well and gave a demo.

Still not sure if they were joking ... but their demo seemd very convincing.
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