Heating, Cooling & Insulation
SplitHeat2018Why Is Ductless Heat Pump Sizing So Important?
Proper ductless air conditioner sizing is essential for high efficiency performance and the level of cooling capacity. If the sizing is too small or too large, the system…
BelsWhen should the warranty of heating start counting ?
Unless you had absolute junk equipment installed by the most incompetent installers with no idea between them and the system hasn't worked from day dot, what's to say that…
HeliosphereInsulating under slab, much benefit in this situation?
Thanks for the Laros link, those diagrams are helpful and those thermal blocks could be part of the solution. - It would be using the same insulation product between the…
SergeyVentilation in bedrooms with dual glazed windows
ERV in every room would be nice. I don't have ducted A.C. yet, so anything I will add is expensive. Plan is to put ducted air conditioning with an addition of in wall ERV…
BelsAir flow from the vent when the zone is OFF
There's nothing wrong with the method of control of your system. The air supplied to the active zones still returns through the common return air intake and sensed by the…
djb21auMelbourne Evaporative Cooling or do we Upgrade?
Just to round this off, today it is a dry 37° in Melbourne at 5pm (13% humidity). Inside our house with the evap cooling working at about 70% it is 25° in the living…
edrenalineDucted aircon after handover? Single story house
Hi all, I'm planning to have a ducted reverse cycle A/c installed in my home (construction to start in June/July). The problem is, the builder provides gas ducted heating…
Searching4 knowledgeRefridgeration Mechanic Help needed please.
Sounds possible. If you have enough vents, it should be balanced. Have you checked the return to see if it's coming out of there. It has to be going somewhere. Maybe a…
PJT318disposing of two split systems degassed and removed.
Thank you for the advice.
AJWDucted: Gas Heating vs RC Aircon vs Gas+Addon Cooling
27 December 2017
I have a 14KW ducted Daikin and no great noise issues. Neighbours have an even bigger unit (18 or 20) and again no noise issues, especially as theirs blows up.
TullyRiverInsulation, wiring and air circulation - old house
21 December 2017
Hi all pro's (of which I am not...), Apologies if I've posted this to the incorrect forum section as it covers a few different areas, please feel free to move etc…
becmmDucted refrigerated after handover for double storey
10 December 2017
Building with Porter Davis.