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Swamp cooler questions?

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Forum topic by PNW_Steve posted 07-30-2017 04:18 AM 599 views 0 times favorited 11 replies Add to Favorites Watch
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PNW_Steve

50 posts in 136 days


07-30-2017 04:18 AM

Hey Everyone,

I am working on setting up a new workshop. I would love to be out there working right now but it is 95F and 16% RH right now. Way too hot for me to be working out there.

I have been contemplating installing a swamp cooler. I know how they work and don’t have questions there.

My questions are for folk that have first hand experience with using a swamp cooler in their workspace.

1) Does the added humidity REALLY cause all of your tools to rust?

I lived in Seattle for years and it is quite humid there. As long as I didn’t leave my tools out in the rain, they generally did not rust.

2) How much trouble am I likely too have with my wood due to the variations in humidity?

Thanks

S.


11 replies so far

View Jim Finn's profile

Jim Finn

2575 posts in 2756 days


#1 posted 07-30-2017 01:11 PM

Yesterday I was at my hardwood supplier. They have jointers, planer,s and saws there that have no rust on them. We are in a 3050’ high desert here so they were running one of those large swamp coolers hooked up to a garden hose. It seems to not bother their equipment at all. Now, their equipment is used every day so this may help keep it clean. They also store lots of wood in that same area.

-- No PHD, but I have a GED and my DD 214

View johnstoneb's profile

johnstoneb

2633 posts in 2006 days


#2 posted 07-30-2017 01:14 PM

No you won’t have any problems with humidity from a swamp cooler with 16% RH.

Insulate your space well, leave windows open at night to cool the space, leave doors open during morning until it starts to heat up then close everything up and space will stay comfortable all day.
That’s what I do with my shop and even 100+ days here it doesn’t get above 85. When it gets close to that late in the afternoon I just call it a day. Its usually after 4:00 when that happens. The key is good insulation.
I do have a box fan set up to move a little air in the afternoons.

-- Bruce, Boise, ID

View splintergroup's profile

splintergroup

1687 posts in 1056 days


#3 posted 07-30-2017 01:43 PM

95 deg at 16% is right where I’m at now.

I really doubt you will get any rust or other problems. Your cooler will likely get your RH up to about 60% max.

You will have issues with wood stabilizing as you build so design for expansion. Also be prepared for all your papers to be flying around 8^)

View Nubsnstubs's profile

Nubsnstubs

1207 posts in 1564 days


#4 posted 07-30-2017 02:26 PM

95 and 16%!! I certainly wish those were the conditions I had to work in. Right now at 7:22 am, it’s 88 with 78% humidity. It’s gonna get hotter as the day wears on. You’re just gonna have to toughen up, and accept nature as she is. Man up, Steve.. ........... Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

View PNW_Steve's profile

PNW_Steve

50 posts in 136 days


#5 posted 07-30-2017 03:52 PM



95 and 16%!! I certainly wish those were the conditions I had to work in. Right now at 7:22 am, it s 88 with 78% humidity. It s gonna get hotter as the day wears on. You re just gonna have to toughen up, and accept nature as she is. Man up, Steve.. ........... Jerry (in Tucson)

- Nubsnstubs


Nah… I lived in Bullhead for several years. The heat ran me off.

Thanks Everyone for the info. Looks like I will be installing a swamper.

Stay cool

S.

View AZWoody's profile

AZWoody

1138 posts in 1058 days


#6 posted 07-30-2017 07:07 PM

I installed a swamp cooler in my shop recently and have been monitoring the conditions rather close.
I get an average of 15-20% higher humidity with the swamp cooler running. If your swamp cooler is getting to 60% inside the shop, you’re doing something wrong and you’re better off not running it. At that humidity, the cooling effect won’t happen.
You have to make sure that you have a place for the air to flow out of the shop. The swamp cooler brings in air from the outside, so needs air outflow as well. If the shop is sealed up, with the swamp cooler running, then you might run into the humidity issues.

It also really helps to have a couple fans for air flow around the shop. Also, start it up well before you plan to be working in there because depending on the size of the shop and the size of the cooler, it can take a long time to bring the temps down.

View PNW_Steve's profile

PNW_Steve

50 posts in 136 days


#7 posted 07-30-2017 10:54 PM

Thanks Everyone for the input.

From what I have gathered here I think that I will install a swamp cooler and set it on a timer to run, fan only, in the late evening and early morning to pull cooler air in and then run the pump/fan setting as needed.

I have been useless out there the last few days. It is 102F in my shop right now. YUK!

Thanks again.

S.

View Nubsnstubs's profile

Nubsnstubs

1207 posts in 1564 days


#8 posted 07-31-2017 01:28 AM


Nah… I lived in Bullhead for several years. The heat ran me off.

Thanks Everyone for the info. Looks like I will be installing a swamper.

Stay cool

S.

- PNW_Steve

Ok, now I’m gonna have to sympathize with you on that endeavor. I was told by an attorney that Bullhead City is the armpit of Arizona. Don’t ask what Phoenix is….. Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

View jbay's profile

jbay

1852 posts in 733 days


#9 posted 07-31-2017 01:40 AM

I helped my buddy dig a trench in Bullhead, for power lines in a parking lot,
when I was much younger. Hottest I’ve ever been. (and I’ve lived my whole life in Vegas)

Work for 10 minutes go find shade, drink water, repeat… just miserable!

-- If anyone would like to see my Portfolio, PM me and I would be glad to send you the link.

View rwe2156's profile

rwe2156

2710 posts in 1314 days


#10 posted 07-31-2017 03:05 PM



Hey Everyone,

I am working on setting up a new workshop. I would love to be out there working right now but it is 95F and 16% RH right now. Way too hot for me to be working out there.

Greetings from Florida. Try 92° and 75% humidity. I would LOVE to have your conditions.

It doesn’t sound to me like you’ll have much problems with humidity affecting wood. When its that dry I would think you have to worry more about building everything a bit loose.

-- Everything is a prototype thats why its one of a kind!!

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PNW_Steve

50 posts in 136 days


#11 posted 07-31-2017 06:36 PM

Greetings from Florida. Try 92° and 75% humidity. I would LOVE to have your conditions.

- rwe2156

Well….. If you are on the East coast of FL or near the keys I will happily trade with you. My passion, other than making sawdust, is SCUBA diving. Don’t do much of that here in wheat country….

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