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Forum: Other topics 08-21-2019, 08:39 AM
Replies: 75
Views: 14,757
Posted By NW-Bound
The OP said this room will be used as a studio. ...

The OP said this room will be used as a studio. Perhaps it can also serve as a lab to experiment with a novel AC concept as laid out here in this video.

No, this Youtuber is not a crank. He...
Forum: Other topics 08-19-2019, 09:16 AM
Replies: 75
Views: 14,757
Posted By NW-Bound
The mini-split is also called ductless. In...

The mini-split is also called ductless.

In exchange for the ungainly exposed airhandler, the blower is more efficient because it does not have to push air through long and narrow ducts. There's...
Forum: Other topics 08-18-2019, 12:16 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
I would not mind a window AC for a small room. ...

I would not mind a window AC for a small room. But when you have a large window that slides horizontally, it is not amenable to mount a window AC.

The OP does not even have any window. The wall...
Forum: Other topics 08-11-2019, 08:08 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
Similarly to fuel efficiency of a car, it is...

Similarly to fuel efficiency of a car, it is reasonable to expect that COP of a variable-speed compressor will peak at an intermediate speed, then drops off at a low speed. The manufacturer...
Forum: Other topics 08-11-2019, 12:42 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
Yes, the condensation drain line would be a...

Yes, the condensation drain line would be a problem for some installations.

In my case, the indoor unit is mounted high in the vaulted entrance hall, next to the garage. The unit is mounted...
Forum: Other topics 08-10-2019, 06:41 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
I am enjoying one right now, and have been...

I am enjoying one right now, and have been monitoring its operation. :)

The indoor air handler fan, the compressor, and the outdoor fan all have their speed varied with the load. It is very...
Forum: Other topics 08-10-2019, 04:08 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
About the noise, my 18,000-BTU/hr Pioneer...

About the noise, my 18,000-BTU/hr Pioneer mini-split makes much less noise when running at its top speed than my 16' pedestal floor fan running at its lowest speed, and moves a lot of air.

Nuf'...
Forum: Other topics 08-10-2019, 03:34 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
PTACs and large window ACs tend to be quite...

PTACs and large window ACs tend to be quite noisier than mini-splits because of a very simple reason: the mini-splits have their compressors and the exterior fans remotely located. In addition, the...
Forum: Other topics 08-10-2019, 01:20 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
If the existing AC does not have enough capacity,...

If the existing AC does not have enough capacity, then the minisplit is the only option.

A PTAC requires knocking out a huge rectangular hole, and Amethyst already said the walls are masonry. ...
Forum: Other topics 08-10-2019, 09:49 AM
Replies: 75
Views: 14,757
Posted By NW-Bound
Out of curiosity, I just checked humidity in...

Out of curiosity, I just checked humidity in several places as of this writing.

Phoenix: 63F dew point (we have entered the rain or monsoon season which starts in late summer)
Fort Lauderdale:...
Forum: Other topics 08-10-2019, 08:55 AM
Replies: 75
Views: 14,757
Posted By NW-Bound
I saw this just now, and do not understand this. ...

I saw this just now, and do not understand this.

It is not possible to cool without causing condensation, besides dehumidifying is also desirable. Here in the arid Southwest, I put a bucket under...
Forum: Other topics 08-09-2019, 07:19 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
I forgot to mention the above. A FROG is exposed...

I forgot to mention the above. A FROG is exposed on all sides to the ambient, and even the garage underneath is not the same as a room on a slab.

Thus, it is better to have a larger unit. And...
Forum: Other topics 08-09-2019, 02:34 PM
Replies: 75
Views: 14,757
Posted By NW-Bound
I just installed a minisplit myself, and did all...

I just installed a minisplit myself, and did all the work.

It's an 18,000-BTU/hr AC/heat pump, with a SEER of 21. I paid $1250 buying directly from the US manufacturer, and this price included a...
Forum: Other topics 08-09-2019, 10:33 AM
Replies: 75
Views: 14,757
Posted By NW-Bound
It looks like both units are of the same series,...

It looks like both units are of the same series, with one slightly larger than the other (12000 BTU/hr vs. 9000).

The smaller one is supposedly large enough for 300 sq.ft., but being of the modern...
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