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Outside Asylum Take a walk, smell the roses. Any topic is fine, save people bashing. |
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Outside Asylum Take a walk, smell the roses. Any topic is fine, save people bashing. |
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In Reply to: Anyone a HVAC specialist? posted by tom1356 on May 3, 2010 at 10:55:24:
tom1356,
Some alternatives to cool your 20'w x 18'l x 20'h space:
1. A large wall mounted unit- which you say you don't want- is it they are too noisy? However, modern wall units can be quiet enough- you might audition some new ones before ruling them out.
By the way, does the temperature go below 65 in the Winter? In that case, you can get a single unit that makes both cold and heat. I lived in a 1,500 square foot house that had two of those with remote control! and they worked well. My current house (Los Angeles) is 1,900 sq. ft. with central heating and for cooling it has one large wall unit, and two of the the three bedrooms have compact window units. The bedroom I use as the office has one of these only 6' from my desk and the noise is low enough it such I'm not especially bothered when listening to music. By the way, these small units are efficient- my neighbour has a similar sized house- though with 5 people instead of one- and with central cooling he spends $250/mo for electricity while my Summer bill is usually about $90-100- I only cool the room I'm in. -And, I'm a person from a cold climate who hates anything above 80!
1A. I've never done this or seen it, but I have thought about the possibility of building a box on an exterior wall about 2' deep and tapering from wall to unit- that is the opening in the wall is larger than the face of the unit, then lining it with insulation and putting a diffuser on the front. This isolates the compressor sound and because it widens it slows the air flow and thereby damps the air rush noise. Of course, this would require a remote control unit.
2. Connect this volume to the main house HVAC. This is the best quality alternative- best air delivery, although 8000 cu ft. is enough that you might need to resize the FAU and compressor.
3. Devise a separate system with remote compressor. This will give tyou the best distribution and be the quietest, however the most expensive- $4,000+ as you'll need an FAU (Forced Air Unit) with the blower and heater, as well as the supply ducts, compressor, controls, subpanel, and coolant line.
4. Get the largest portable air conditioner possible- or two- and run the exhaust duct though the wall. Good examples of these are surprisingly quiet, but probably not quiet enough for a listening room unless the placement and/or some kind of isolating enclosure could be devised.
With the 20' height, you might also consider a couple of ceiling fans. In my experience, just having the air moving can seem to take off 10 degrees.
If your space is for audio, keep in mind it is quite dimensionally close to being a cube and will benefit from some controls to prevent standing waves/nulls.
Personally, I'd take a tour and audition the sound of the latest wall units as though they're speakers!
Chill it man!,
Bambi B
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Follow Ups
- 4.5 Alternatives - Bambi B 05/3/1011:50:15 05/3/10 (7)
- Well, the conventional way of figuring out a cooling/ heating system..... - HiFi Guy 12:41:50 05/3/10 (1)
- Yes, and in California these are required calculations with very positive effect - Bambi B 13:14:26 05/3/10 (0)
- Wow. You're smart. - Deckers1 11:55:09 05/3/10 (4)
- Not so much smart as motivated by feeling hot all the time!. - Bambi B 12:37:54 05/3/10 (3)
- Yes, I see. - Deckers1 18:28:01 05/3/10 (0)
- RE: I remember that Saturday! - Shlooby 13:08:27 05/3/10 (1)
- Yes, an unforgettable Saturday for many! - Bambi B 13:32:09 05/3/10 (0)
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