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Heating, Cooling & Insulation
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Author
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Last Post
ausdesign
ausdesign
2 April 2013

Why does double brick vs brick veneer not influence R values

Why does double brick vs brick veneer not influence R values

That is true to an extent for heat gain through the external skin. Heat loss from inside the dwelling is the more important consideration in cool climates, hence the…

4
1231
ausdesign
Apr 02, 2013 10:15 am
ausdesign
IceMan
IceMan
31 March 2013

Daikin 8hp model FDYQN200 is it inverter ?

Daikin 8hp model FDYQN200 is it inverter ?

No. The 'standard' inverter model number is FDYQN200L. The 'premium' inverter model number is FDYQ200L. The latter costs $2k more.

3
2174
IceMan
Mar 31, 2013 2:04 pm
IceMan
JB1
JB1
25 March 2013

Terracotta roof tiles?

Terracotta roof tiles?

Terracotta for sure. I went for a Matt terracotta. Will still look good in 30 years, while the Concrete one will prob needed painting twice by then.

2
553
JB1
Mar 25, 2013 12:02 am
bashworth
bashworth
20 March 2013

Window Films

Window Films

Highly reflective films are much better than plain double glazing for keeping the suns heat out of rooms in summer(but only for the windows that the sun shines in- for…

2
450
bashworth
Mar 20, 2013 4:53 am
bashworth
B STAR
B STAR
13 March 2013

Insulation in verandah roof

Insulation in verandah roof

You dont need bulk insulation but sarking for colorbond roof would still be required.

3
711
B STAR
Mar 13, 2013 11:42 am
T543
T543
13 March 2013

Cardiffair Repairs

Cardiffair Repairs

Very happy with the Customer Service from Keith at Breezepower Ph:1800637175.

3
705
T543
Mar 13, 2013 10:21 am
bashworth
bashworth
10 March 2013

How long until insulation pays for itself

How long until insulation pays for itself

It depends on lots of things like How much you want to keep the temperature in the room. It will be a faster payback if you are at home all day than if you are at work…

1
398
bashworth
Mar 10, 2013 10:32 pm
bashworth
PaulMac
PaulMac
10 March 2013

Installing insulation by yourself

Installing insulation by yourself

If your confident walking around in the roof space then it shouldn't be a problem, you just need to make sure you keep a clear space around any downlight to prevent the…

2
441
PaulMac
Mar 10, 2013 8:13 pm
AKB
AKB
9 March 2013

Daikin or Hitachi

Daikin or Hitachi

We spent $15000 putting a Hitatchi system in our house 9 years ago....to date we have spent $3000 on repairs over the last two years.... It always stops working just…

6
1449
AKB
Mar 09, 2013 10:07 am
AKB
alanbenn
alanbenn
8 March 2013

Ceiling cavity temperature irrelevant

Ceiling cavity temperature irrelevant

Say you have R4 insulation. That means the U value is 0.25 which means 0.25W per degC per sqm of heat will flow through the insulation. Say you have a room 4 x 4m…

4
1110
alanbenn
Mar 08, 2013 8:11 pm
alanbenn
alanbenn
8 March 2013

Cellular/Honeycomb Blinds

Cellular/Honeycomb Blinds

Oh dear - pity you let them talk you in to roman blinds. What justification did they give besides cheaper ? If heat coming in is the problem then you really need…

4
888
alanbenn
Mar 08, 2013 7:51 pm
mucha
mucha
8 March 2013

Composite Insulated Roof Panel Sheeting

Composite Insulated Roof Panel Sheeting

My concerns would be how to hide things that are in the roof space without having the space anymore.. Ie: lighting wiring and maybe water…

5
1714
mucha
Mar 07, 2013 11:16 pm
mucha
bluemetal77
bluemetal77
6 March 2013

Ducted A/C - Diffuser Grille - Round/Linear .. any good?

Ducted A/C - Diffuser Grille - Round/Linear .. any good?

I see what you mean with plastic .. they also tend to go yellow-ish over time .. the diffusers i have in my house are excellent color wise, not fade at all yet .. Hmmm ..…

4
1191
bluemetal77
Mar 06, 2013 9:47 am
bluemetal77
venno
venno
3 March 2013

LOPI CYPRESS GAS LOG FIRE

LOPI CYPRESS GAS LOG FIRE

Well I need to make a decision on winter heating this month to place the order and get ready for the cold. I'm back to my original dilema of deciding between a slow…

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2649
venno
Mar 03, 2013 2:00 pm
Vess
Vess
1 March 2013

Insulation for home theater?

Insulation for home theater?

I used Rockwool acoustic batts for our home theatre walls and R4.1 ceiling batts in the subfloor. I also have Hebel power floors instead if yellow tongue board to my top…

2
579
Vess
Mar 01, 2013 6:43 pm
Stewie D
Stewie D
27 February 2013

Is R2.0 a maximum for external wall insulation?

Is R2.0 a maximum for external wall insulation?
1, 2, 3

By external wall insulation people usually mean that they only insulate the outside walls of a house for heat loss/heat gain etc. Internal walls can be insulated too of…

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11931
Stewie D
Feb 27, 2013 10:21 pm
SaveH2O
SaveH2O
25 February 2013

Help - Heating / Cooling - tank water and no gas

Help - Heating / Cooling - tank water and no gas

We can get evap cooling installed or have $5,000 to spend on upgrades but being on tank water I'm wondering if it will use too much water? I…

4
383
SaveH2O
Feb 25, 2013 10:19 am
SaveH2O
Casa2
Casa2
24 February 2013

underfloor heating powered by solar panels

underfloor heating powered by solar panels

Went to the SRCC website (http://www.solar-rating.org) and compared an Apricus AP-30C evacuated tube panel to a Solahart flat panel. There are different climates and…

15
2663
Casa2
Feb 24, 2013 10:39 pm
Charlotte1
Charlotte1
22 February 2013

Retrofitting insulation

Retrofitting insulation

Thanx for that. Two good options to consider :)

4
485
Charlotte1
Feb 22, 2013 12:40 pm
jnk40
jnk40
22 February 2013

Opal Air ceiling fans

Opal Air ceiling fans

These are supposed to be popular with off grid consumers. Anyone have them?

1
1086
jnk40
Feb 22, 2013 9:19 am
jnk40
sturmmann
sturmmann
22 February 2013

Evaporative cooling quote

Evaporative cooling quote

oh yeah how do I know that the unit I am looking at is big enough for the house... That is without the air con guy saying so!

3
607
sturmmann
Feb 22, 2013 9:06 am
leighton
leighton
22 February 2013

Heating / Colling Options ... Opinions Please

Heating / Colling Options ... Opinions Please

Go for a system that ducts to both floors. My advice. P.M. me if you want to know more. luck!

3
769
leighton
Feb 22, 2013 6:05 am
leighton
leighton
leighton
22 February 2013

Stegbar Noise Insulation (Viridian Glass)

Stegbar Noise Insulation (Viridian Glass)

If you really have a problem consider a shutter mounted externally. good luck

2
623
leighton
Feb 22, 2013 6:00 am
leighton
leighton
leighton
22 February 2013

Installing own evapartaive air con

Installing own evapartaive air con

In my opinion, and I have installed a few myself, it isnt too hard. The supplier will provide installation instructions and you will follow them. In the outback, one…

4
485
leighton
Feb 22, 2013 5:44 am
leighton
bena
bena
21 February 2013

Water Furnace Geothermal experiences ?

Water Furnace Geothermal experiences ?

Hi All, I'm looking at installing a Geothermal floor hydronic system in the new house run by a Water Furnace Heat pump. Just wondering if anybody has personal experience…

0
247
bena
Feb 21, 2013 10:06 pm
AdamIrons
AdamIrons
21 February 2013

Solar Electricity - Queensland SEQ ?

Solar Electricity - Queensland SEQ ?

You still looking for solar grid system? if you are please message me, i work for a solar company and i can arrange for someone to give you a free solar assesment, let you…

2
493
AdamIrons
Feb 21, 2013 4:30 pm
Casa2
Casa2
20 February 2013

concrete slab floor - layer above plastic barrier?

concrete slab floor - layer above plastic barrier?

The plastic is referred to as a vapour barrier, not waterproofing. My structural engineer reminded me of this every time I called the plastic sheet under the slab waterproofing. I

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1328
Casa2
Feb 20, 2013 8:46 pm
MR2
MR2
18 February 2013

Actron Air conditioning ducting ESP Series vs Daikin

Actron Air conditioning ducting ESP Series vs Daikin
1, 2

not exactly how it works.... the free aircon deal is now removed, and the price of the contract is now the same (in our case)

25
10043
MR2
Feb 18, 2013 6:55 am
MR2
FTO
FTO
17 February 2013

Replacing compressor within Brivis Ice add-on refrigeration

Replacing compressor within Brivis Ice add-on refrigeration

Hi roonzy How much were you quoted for the fix? We just ended up getting a 9.4kw split system installed as we figured it was better value for money (low 3k) than…

7
1270
FTO
Feb 17, 2013 11:57 am
Pulpo
Pulpo
17 February 2013

hydronic heating with heat pumps

hydronic heating with heat pumps

Short answer yes. Daikin is rather common over seas. A wood boiler is another possibility, especially the wood gasfication type. Finally I would suggest solar boosted…

5
1091
Pulpo
Feb 17, 2013 8:25 am
Pulpo
Pulpo
16 February 2013

XPS for insulation

XPS for insulation

When you xps which is extruded polystyrene and the best insulation other than aero gels. Not sure how you place it in walls other than spray / injection. Not sure if…

1
338
Pulpo
Feb 16, 2013 10:40 pm
jaelee
jaelee
14 February 2013

Smoothline Ventilators - roof ventilation for 2 storey home

Smoothline Ventilators - roof ventilation for 2 storey home

Yes, I can't give you specific temperature ranges, but believe it definatley has had a positive effect on cooling our upstairs.

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1626
jaelee
Feb 14, 2013 9:57 pm
installation inspector
installation inspector
14 February 2013

AS3000 air conditioning and heat pumps updates

AS3000 air conditioning and heat pumps updates

AS3000 was amended in December 2012 and here's a summary of the new requirements for air conditioners and heat pumps: - Air conditioning units and heat pumps are required…

0
431
installation inspector
Feb 14, 2013 6:57 pm
installation inspector
Bulldog Boy
Bulldog Boy
13 February 2013

AirCon Controllers - MyAir Vs. Izone 310?

AirCon Controllers - MyAir Vs. Izone 310?

Hey Iceman, That's like saying Apple is a poor copy of Microsoft. Sounds to me you maybe are in bed with one of these companies Anyway that's just my humble opinion, let…

7
1898
Bulldog Boy
Feb 13, 2013 8:38 pm
Skyzie85
Skyzie85
24 January 2013

Reverse cycle vs evap ducted with gas duct Perth area

Reverse cycle vs evap ducted with gas duct Perth area
1, 2

Probably not. I think we'll see how it goes & then reassess. We may end up getting a split system on the wall in te main living space, but who knows. Kind of exciting…

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1664
Skyzie85
Jan 24, 2013 9:09 pm
B STAR
B STAR
24 January 2013

Brivis Heating Add-On Cooling Advice

Brivis Heating Add-On Cooling Advice

I dont think your builder know hows to calculate. From memory the diff between 4 star and 5 star is about 10-15%. The zoning will actually have the biggest effect as you…

5
2128
B STAR
Jan 24, 2013 1:39 pm
fmac
fmac
21 January 2013

Evaporative a/c which one?

Evaporative a/c which one?

We have taken the a/c out of the build and are waiting till after the house is built to make a decision, but after the terrible humid weather we had in Perth a few weeks…

2
659
fmac
Jan 21, 2013 5:56 pm
BigAl101
BigAl101
20 January 2013

Common Brivis evap problems?

Common Brivis evap problems?

Update... I identified the problem as a busted solenoid. Replaced it for free from a kind appliance repairer who had some spare parts. For anyone with a Brivis evap…

1
3640
BigAl101
Jan 20, 2013 1:59 pm
AJW
AJW
20 January 2013

Rinnai 26 questions

Rinnai 26 questions

On our new build we got a Rinnai 26 on 1 side of the house for the kitchen, laundry and upstairs bathroom as they are…

12
1303
AJW
Jan 20, 2013 11:54 am
Kien
Kien
14 January 2013

Insulation batts in walls?

Insulation batts in walls?

Make sure the foil insulation is reflective outwards with an antiglare surface. Because its such a small area, you might want to consider a high density acoustic wall…

10
1374
Kien
Jan 14, 2013 10:03 am
NiMa
NiMa
7 January 2013

Bonaire Evaporative Cooling

Bonaire Evaporative Cooling

Hi Guys I did not get any replies for my post but got the motor replaced for $400. Now that the cooler working is working ok. I thought that I should post the above…

1
607
NiMa
Jan 07, 2013 6:43 pm
nev25
nev25
31 December 2012

distance from hot water system to air con unit

distance from hot water system to air con unit

Thanks As an Electrician for 20 years I never…

14
2278
nev25
Dec 31, 2012 11:57 am
nev25
Vess
Vess
31 December 2012

Wall batts post build

Wall batts post build

There are a few different types of roof vents. If they have specified a WindMaster wind driven roof vent see if they will upgrade it to an Airomatic powered vent. Make…

5
397
Vess
Dec 31, 2012 11:55 am
claypot
claypot
28 December 2012

Samsung and LG 15.5Kw single phase power input?

Samsung and LG 15.5Kw single phase power input?

No sooner had I posted, and got a reply from LG. "Dear Thank you for your enquiry to LG Electronics regarding our Air Conditioners. The maximum running current of the…

1
723
claypot
Dec 28, 2012 10:53 am
bashworth
bashworth
26 December 2012

Rooms too hot when building in the roof

Rooms too hot when building in the roof

Three issues all solvable 1. You need plenty of insulation 2. As hot air rises you need good ventilation/openable windows 3. Shading of windows- avoid skylight windows on…

1
405
bashworth
Dec 26, 2012 6:55 pm
bashworth
AJW
AJW
22 December 2012

Instructions for replacing pads on brivis advance

Instructions for replacing pads on brivis advance

Hi all, I was wondering if anyone has a brivis advance and managed to remove the pads. I removed the top screws but can't lift the top off due…

1
507
AJW
Dec 22, 2012 7:31 am
3
546
Stewie D
Dec 07, 2012 2:07 pm
HomeAngels
HomeAngels
5 December 2012

Multihead split vs ducted aircon vs aircon add-on unit

Multihead split vs ducted aircon vs aircon add-on unit

I have enquired with a few heating/cooling specialists and still can't get a clear direction of where we should be heading. I'm hoping someone here could point us in the…

0
564
HomeAngels
Dec 05, 2012 4:25 pm
HomeAngels


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