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Heating, Cooling & Insulation
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Author
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Last Post
ECOECO
ECOECO
27 April 2013

Advice for insulating an attic room in Spain

Advice for insulating an attic room in Spain

My question, I suppose, is, how important is it to insulate the roof now because if we do that, we won't be able to do…

1
297
ECOECO
Apr 27, 2013 11:35 am
ECOECO
Mike8136
Mike8136
22 April 2013

Trying to decide whether gas is worth the cost

Trying to decide whether gas is worth the cost

$8500 would get you a 5kW (or more) solar system which would meet most of your energy needs with no ongoing cost. Provided you can find enough roof space. The same price…

1
429
Mike8136
Apr 22, 2013 7:38 pm
stormjr
stormjr
21 April 2013

Does this look right???

Does this look right???

I have seen units pulled out of the box with damaged fins like this, 99% of installers would not worry about it though. It will have a small effect on efficency, the…

3
644
stormjr
Apr 21, 2013 11:32 pm
Lourance
Lourance
19 April 2013

Brivis Wombat20. Switch on but only the fan goes.

Brivis Wombat20. Switch on but only the fan goes.

FYi if pilot light won't stay on it prob a thermocoupler fault and you will need to get it repaired by qualified person. Part from memory was only $40 so a repair will…

5
687
Lourance
Apr 19, 2013 6:53 pm
dary
dary
11 April 2013

Rinnai energy saver

Rinnai energy saver

Hi all We have had a Rinnai Energy Saver in our large family room (60 sqm + high ceiling) for 20+years and love it - Efficient, economical etc. Alas its on its last legs…

0
336
dary
Apr 11, 2013 1:21 pm
davem
davem
10 April 2013

double glazing in a skylight

double glazing in a skylight

Thanks Ed, I am surprised that they are just as sensitive in a horizontal application. Something that I have learned today ! Cheers

2
447
davem
Apr 10, 2013 12:51 pm
Stewie D
Stewie D
10 April 2013

Installing wall insulation with double brick walls

Installing wall insulation with double brick walls

I know that up to 50% of your heat loss in a room may be through the walls so any increase in insulation there will benefit your comfort levels and your wallet both in…

5
776
Stewie D
Apr 10, 2013 11:57 am
octain
octain
9 April 2013

Multi-head split system

Multi-head split system

Hi, Just thought I put it out there. I own a business doing splits, ducted and multi-heads. Can get faily good pricing on units and provide advice and free quotes. Give…

5
714
octain
Apr 09, 2013 3:45 pm
octain
davem
davem
9 April 2013

Insulation for BV

Insulation for BV

Thanks Stewie, Thats what I wanted to hear. Didnt really expect it to fix the damp but most of the problem is splashing and creating a waterfall during very heavy rain...…

2
340
davem
Apr 09, 2013 10:20 am
tezzab
tezzab
7 April 2013

Acoustic batts vs regular: my first hand experience

Acoustic batts vs regular: my first hand experience

Johnson, Many ways to skin the cat. Green Glue, yes most definitely, but didn't list it as due to cost and time factors. So, you were well ahead of my post in regard to…

4
2106
tezzab
Apr 07, 2013 4:39 pm
tezzab
HomeAngels
HomeAngels
5 April 2013

Ceiling v floor ducts, which heats most efficiently?

Ceiling v floor ducts, which heats most efficiently?

Slightly irrelevant but I love floor vents..... As a kid I would lay on the floor with a blanket whilst watching TV and I'd lay the blanket over the vent. It would puff…

3
736
HomeAngels
Apr 05, 2013 8:34 pm
HomeAngels
adamcann
adamcann
3 April 2013

Whirlybird air vents

Whirlybird air vents
1, 2

From my experience I would choose some form of mechanical ventilation (a roof fan) on a timer over a whirly bird if you are looking to reduce the temperature of your roof cavity.

32
7755
adamcann
Apr 03, 2013 4:10 pm
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
1243
ausdesign
Apr 02, 2013 11:15 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
2215
IceMan
Mar 31, 2013 3:04 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
558
JB1
Mar 25, 2013 1:02 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
456
bashworth
Mar 20, 2013 5:53 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
727
B STAR
Mar 13, 2013 12:42 pm
T543
T543
13 March 2013

Cardiffair Repairs

Cardiffair Repairs

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

3
708
T543
Mar 13, 2013 11:21 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
401
bashworth
Mar 10, 2013 11:32 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
443
PaulMac
Mar 10, 2013 9:13 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
1467
AKB
Mar 09, 2013 11:07 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
1115
alanbenn
Mar 08, 2013 9:11 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
905
alanbenn
Mar 08, 2013 8:51 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
1810
mucha
Mar 08, 2013 12:16 am
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
1259
bluemetal77
Mar 06, 2013 10:47 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
2699
venno
Mar 03, 2013 3:00 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
598
Vess
Mar 01, 2013 7:43 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
12221
Stewie D
Feb 27, 2013 11:21 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
393
SaveH2O
Feb 25, 2013 11:19 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
2792
Casa2
Feb 24, 2013 11:39 pm
Charlotte1
Charlotte1
22 February 2013

Retrofitting insulation

Retrofitting insulation

Thanx for that. Two good options to consider :)

4
496
Charlotte1
Feb 22, 2013 1:40 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
1108
jnk40
Feb 22, 2013 10:19 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
617
sturmmann
Feb 22, 2013 10:06 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
777
leighton
Feb 22, 2013 7:05 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
630
leighton
Feb 22, 2013 7:00 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
500
leighton
Feb 22, 2013 6:44 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
251
bena
Feb 21, 2013 11:06 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
498
AdamIrons
Feb 21, 2013 5:30 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
1338
Casa2
Feb 20, 2013 9:46 pm
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
1288
FTO
Feb 17, 2013 12:57 pm
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
1113
Pulpo
Feb 17, 2013 9:25 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
348
Pulpo
Feb 16, 2013 11:40 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
1701
jaelee
Feb 14, 2013 10:57 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
444
installation inspector
Feb 14, 2013 7:57 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
1976
Bulldog Boy
Feb 13, 2013 9:38 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…

34
1707
Skyzie85
Jan 24, 2013 10:09 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
2142
B STAR
Jan 24, 2013 2:39 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
674
fmac
Jan 21, 2013 6:56 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
3719
BigAl101
Jan 20, 2013 2:59 pm


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