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ddarroch
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ddarroch
Joined 5 March 2013
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What is the best heating systems?
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ddarroch
4 August 2022
Re: Solar Panel Installation
General Discussion
5
Aug 04, 2022 12:31 pm
[quote="RustedOn":36to5jl1][quote="ddarroch":36to5jl1]Installing 32A power circuits (if your not 3 phase) in the garage, as we'll be driving Evs soon.[/quote:36to5jl1] That's great information @ddarroch, referring to your whole post, but I didn't understand the above comment. Are...
Installing 32A power circuits (if your not 3 phase) in the garage, as we'll be driving Evs soon. That's great informatio...
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ddarroch
3 August 2022
Re: Storage water heater vs instant
Heating, Cooling & Insulation
13
Aug 03, 2022 8:11 pm
I wonder whether I could revive this thread, given various technologies may have advanced in four years, and costs may have changed. We're building to the SW of Sydney. A big single-storey house, so will need at least two HWS, just to reduce wait times. I'm really hoping to avoid connecting natural...
The idea with solar PV panels these days is self-consumption. You get paid very little FIT to export power to the grid,...
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ddarroch
3 August 2022
Re: Solar Panel Installation
General Discussion
3
Aug 03, 2022 7:47 pm
oh, & at this stage, unless you can get very generous rebates, batteries still aren't worth the investment. With payback periods of at least 10 years. So I'd hold off the batteries for now. In any case, your EV may become your mobile home battery, as we move to V2G (vehicle-to-grid) & V2H (v...
oh, at this stage, unless you can get very generous rebates, batteries still aren't worth the investment. With payback p...
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ddarroch
3 August 2022
Re: Solar Panel Installation
General Discussion
2
Aug 03, 2022 7:41 pm
I'd usually recommend using a separate solar installer, not the builder. You'll have more control on the quality of the installation (if you do your research), as the builder could be getting anyone to do the installation. I'd recommend using Solar Quotes to get quotes from 3 verified companies loca...
I'd usually recommend using a separate solar installer, not the builder. You'll have more control on the quality of the ...
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ddarroch
22 December 2021
Re: Easement on side of Block -Advice Needed
Building A New House
12
Dec 22, 2021 2:49 pm
Hello Everyone, First-time post, so please be kind. I am looking into buying a decent sized block of land to construct a 2-storey 5 bedroom house in the Western Melbourne suburb. I am in the final stages of signing the contract for the block of land which has an easement on the side. The easement i...
Is north the top of the image? Meaning the block has an eastern frontage. If so, the easement will be in the north side...
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ddarroch
12 April 2021
Re: Hydronic heating - slab insulation
Heating, Cooling & Insulation
4
Apr 12, 2021 1:45 pm
I haven't used homeone much in the last few years, but have read some horror stories about huge bills for in-slab hydronic heating. The culprits usually seem to be poorly insulated slabs, inexperienced installers, a lack of zoning. Personally, I wouldn't do in-slab in Australia. The thermal mass of ...
I haven't used homeone much in the last few years, but have read some horror stories about huge bills for in-slab hydron...
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ddarroch
9 January 2021
Re: Ceiling insulation
Heating, Cooling & Insulation
6
Jan 09, 2021 10:24 am
For Perth, the government's 'Your Home' website recommends a minimum of R4.1 for the roof/ceiling, R2.8 for the walls https://www.yourhome.gov.au/passive-design/insulation
For Perth, the government's 'Your Home' website recommends a minimum of R4.1 for the roof/ceiling, R2.8 for the walls ht...
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ddarroch
27 December 2020
Re: Corner block
Building A New House
2
Dec 27, 2020 9:23 pm
The one main advantage of corner blocks on the southern side of the road is that they have great access to northern light. As they will not be overshadowed by northern neighbours. It's always a great idea to orientate the home so that living areas (& a large proportion of glazing) to face north....
The one main advantage of corner blocks on the southern side of the road is that they have great access to northern ligh...
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ddarroch
27 December 2020
Re: Alternatives to decreasing window size
General Discussion
6
Dec 27, 2020 10:17 am
Hi all, We’ve been asked to considerably decrease the size of many of our windows to meet a 7 Star Energy rating. We are very reluctant to do this, as we don’t want to turn our house into a dark box. Is there an alternative to reducing window size? Such as double glazing, install awnings etc? We ha...
How far along in the planning process are you Kelsey? The most important thing to do when planning a home is to orienta...
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ddarroch
27 December 2020
Re: Garage at back of house
Building A New House
6
Dec 27, 2020 9:44 am
What is the orientation of the block? It's a very good idea to face the living areas (& a large proportion of the glazing) to the north. Minimising western (& to some degree, eastern) glazing. https://www.yourhome.gov.au/passive-design/orientation My number one priority when choosing a block...
What is the orientation of the block? It's a very good idea to face the living areas ( a large proportion of the glazing...
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ddarroch
26 December 2020
Re: Concept Plan
Building A New House
10
Dec 26, 2020 3:44 pm
As I said, I'd consider rearranging the living areas, so there's a window facing east, the hill. Probably the same for the master bed. I'd also consider rotating the garage pavilion, thinking about how the home addresses the street. But here's the rough plan on your block. Not to scale at all. https...
As I said, I'd consider rearranging the living areas, so there's a window facing east, the hill. Probably the same for t...
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ddarroch
26 December 2020
Re: Concept Plan
Building A New House
9
Dec 26, 2020 3:19 pm
Sorry what do you mean if it angered right? Hi everyone. I was just wondering if you could give me advice on this floor plan. This is the first concept drawing we’ve received and I gotta say I’m pretty happy with it. Are there any suggestions you’d give? We love the pavilion style house. Ignore the...
I love it! If it angled right, it will be perfect I'd assume that kline is talking about the home being orientated corr...
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ddarroch
24 December 2020
Re: Concept Plan
Building A New House
2
Dec 23, 2020 11:18 pm
Firstly, what climate are you in? What's appropriate for Hobart certainly isn't appropriate for Cairns. A pavilion home is probably a great idea in warmer climates, as cross-ventilation will be aided. But it's probably not a great idea in a cooler climate. As a larger external surface area leads to ...
Firstly, what climate are you in? What's appropriate for Hobart certainly isn't appropriate for Cairns. A pavilion home ...
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ddarroch
21 December 2020
Re: 8 star houses in Perth
Building A New House
20
Dec 21, 2020 6:44 pm
With 2 pairs of Lunos E2s you are talking about roughly $5-6K + installation. Laros is selling them for $1,600 a pair. https://shop.laros.com.au/shop/energy-recovery-ventilation/decentralised-non-ducted/lunos-e2-high-performance-ventilation-system/
Laros is selling them for $1,600 a pair. https://shop.laros.com.au/shop/energy-r ... on-system/
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ddarroch
21 December 2020
Re: 8 star houses in Perth
Building A New House
19
Dec 21, 2020 6:32 pm
Thanks ddarroch. I did look into a hrv unit but the fully ducted system was around 50k which is outside of my budget. I've never heard of these lunos units I'll definitely look into it. I've gotten use to ceiling fans with windows open and I'm happy with that all almost all nights. A pair of Lunos ...
A pair of Lunos e2's costs around $1,600 I believe.
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ddarroch
20 December 2020
Re: Two dwellings under one roof?
Building A New House
7
Dec 20, 2020 7:15 pm
What state are you in OP? Like gogo65, I thought it was possible to have an attached granny flat, in NSW at least. Haven't looked into it for a few years though.
What state are you in OP? Like gogo65, I thought it was possible to have an attached granny flat, in NSW at least. Haven...
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ddarroch
20 December 2020
Re: 8 star houses in Perth
Building A New House
8
Dec 20, 2020 5:58 pm
Air tightness is very important in an energy efficient build, & therefore so is ventilation. But if you're wanting to build an energy efficient home, I'd certainly be looking at using HRV/ERV, not just opening the windows to the elements. Sure, for the 8 months of the year when it's lovely outsi...
Air tightness is very important in an energy efficient build, therefore so is ventilation. But if you're wanting to buil...
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19
ddarroch
26 November 2020
Re: Concept design feedback: Passive solar, orientation
Eco Living
19
Nov 26, 2020 10:19 am
I think real PassivHaus is a bit too much for most of Australia where there is not much cold in the winter times but a lot of heat in the summer. A good balance between very airtight house such as PassivHaus (0.6 air changes per hour) as well as a house with a lot of openings and poor insulation (1...
Agree. Also anything below about 3 ACH will need mechanical ventilation. But for 2-3 ACH is be looking at decentralised...
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ddarroch
26 November 2020
Re: Concept design feedback: Passive solar, orientation
Eco Living
18
Nov 26, 2020 10:14 am
[quote="smarthaus":1bq3a8q6] Science.[/quote:1bq3a8q6] Hahaha. I have a degree in science, does my vote count :P
Science. Hahaha. I have a degree in science, does my vote count
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ddarroch
26 November 2020
Re: Concept design feedback: Passive solar, orientation
Eco Living
17
Nov 26, 2020 10:09 am
Passive solar design on its own is largely disproven. https://sourceable.net/passive-solar-design-irrelevant/ Pretty rubbish article I think.
Pretty rubbish article I think.
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