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Heating, Cooling & Insulation
Topics
Author
Replies
Views
Last Post
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
1109
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
878
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
1680
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
1139
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…

11
2589
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
567
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…

49
11657
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
382
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
2570
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
478
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
1073
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
602
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
757
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
619
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
470
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
238
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
486
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

10
1322
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
9811
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
1263
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
1081
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
329
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.

7
1578
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
424
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
1859
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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1642
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
2120
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
647
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
3607
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
1278
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
1313
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
602
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
2183
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
387
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
716
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
402
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
504
AJW
Dec 22, 2012 7:31 am
3
540
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
561
HomeAngels
Dec 05, 2012 4:25 pm
HomeAngels
Saint Mike
Saint Mike
2 December 2012

patio misting / outdoor cooling

patio misting / outdoor cooling

I've just started noticing those misting fans in outdoor restaurants. On a street they don't seem wonderful - but on a deck or patio - with some walls they may be good. …

11
2230
Saint Mike
Dec 02, 2012 7:15 am
Saint Mike
yvette72
yvette72
1 December 2012

problemss with air conditioner

problemss with air conditioner

funnily thought there are no signs of dropping anywhere I can see

20
1903
yvette72
Dec 01, 2012 3:56 pm
mynameisjonas
mynameisjonas
30 November 2012

Air- conditioning

Air- conditioning

We only have 1 x air con unit in the loungeroom, that's the west facing open plan area. It gets very hot. We dont any any in the bedrooms. My advice. Get ceiling fans in…

6
1001
mynameisjonas
Nov 30, 2012 2:34 pm
wokwon
wokwon
26 November 2012

Installer manual for Bonaire MB5 - 14l ducted heater

Installer manual for Bonaire MB5 - 14l ducted heater

Does anyone have an installer's manual for the Bonaire MB5 - 14l ducted heater. Bonaire does not have it on their webpage and me being Joe public has not been able to…

0
474
wokwon
Nov 26, 2012 11:56 am
Saint Mike
Saint Mike
25 November 2012

Fujitsu, Daikin Ducted Systems

Fujitsu, Daikin Ducted Systems

Heard some good things about Fujitsu - had Carrier at last house - it had issues. But having Daikin in new house. Zoning, power/size, position of vents and position of…

2
709
Saint Mike
Nov 25, 2012 8:55 am
Saint Mike
MrsT12
MrsT12
21 November 2012

Air con for old house?

Air con for old house?

Yep the three bedrooms up top are closed off, but then its open through the two living areas/kitchen/stairwell and all of downstairs. So all the awesome hot air rises up…

4
538
MrsT12
Nov 21, 2012 5:14 pm
MrsT12
jamt007
jamt007
19 November 2012

insulation in all walls?

insulation in all walls?

i wont be having south facing windows (back of top level faces - more or less - an embankment), south facing bottom level will be totall undercover but i take your point…

4
604
jamt007
Nov 19, 2012 6:24 pm
Moezal
Moezal
17 November 2012

Brivis Buffalo 85 Blowing Cold Air

Brivis Buffalo 85 Blowing Cold Air

Thanks Frothy_monster! :: It was the thermocouple. Called the plumer now all fixed, thankfully with 3 young kids!

11
12554
Moezal
Nov 17, 2012 9:20 am
IceMan
IceMan
16 November 2012

Daikin ducted outside unit noisy

Daikin ducted outside unit noisy

I've only owned the house for 3 months, house was built 5 years ago so I believe it was installed then, don't think I was given any warranty…

3
697
IceMan
Nov 16, 2012 6:24 am
IceMan
tengals
tengals
13 November 2012

re-locating evap duct, can it be done?

re-locating evap duct, can it be done?

thanks for that info, thats a great help yeah the viod is big and wide an the heating ducts go down there too.

2
369
tengals
Nov 13, 2012 7:38 pm


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