1HP or 1.5HP Window mounted aircon?

Hi... putting in a new window a/c in a house up near Mildura Vic where it's often mid 40s in summer and quite cold in Winter.

Looking at a Kelvinator KWH35HRA 3.9kw/3.7kw 1.5HP wallmounted reverse cycle aircon to do a lounge room. The next model down is a 1HP KWH26HRA. The more powerful model is rated 5/4 stars cooling/heating versus 4/3 for the 1HP model
1.5HP = 3900W cooling, 3500W heating (13400/12000 BTU) versus 2800W cooling, 2500W heating (9600/8600 BTU)

Anyone have these size a/c's and able to make a comment. The 1.5HP is about 60kg and quite large. Having said that the !HP is only marginally smaller. I'm more inclined to go for the 1.5HP unit working on the premise it's better to have a unit of more rather than less capacity.

I'm going for window mounted because installation is easy and both of these plug into a standard 10amp powerpoint. Kelvinator do not clearly show how many amps each unit draws but I believe its about 5.

Split systems are too expensive to install in this area being a slightly older house I could be up for a rewire as Powercor are very tough on new installations in Victoria.

Thanks!


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