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[bathrobehero]

Probably around 35°C/95F if there's airflow is the level I'm not that worried about. Without airflow it should probably be lower as some areas can be much hotter.

Though my cards have 70-75°C maximum temperature limits.

[alucard20724]

Summer is coming and I'm a little concern that my room temps will be around 100-105f (37-40c).  I read an article about dell servers running better in higher heat, but who knows if that means all computer equipment?

What do you guys think?

http://www.datacenterknowledge.com/archives/2012/03/23/too-hot-for-humans-but-google-servers-keep-humming/

That technique you linked uses constant airflow which exhaust the hot air out of the room, rather than trying to cool static air.  it's a more efficient cooling technique in that it removes the hot air from the server rather than trying to cool the air on the server.  it's not saying to run the server hotter to make them more efficient, it's stating a more efficient and cheaper cooling method.

the article does say AND outside air.

[Samos95]

As long as I'm in the double digits I'm happy. My room currently reaches 122F during the day. It's pretty bad. I'm building an evap cooler right now to see how well it works, since it's very low humidity.

[Vaccinus]

it really depend on the humidity, if the humidity is high the temperture would be higher, i now have low humidity and not bad temp, i'm nearly 30° here, my gpu are at 65°

[Spavvn]

How would humidity levels affect mining room?

What are good practices for fire protection?

[okg]

Had about 36 before i got a better out fan. Runing around 35cards and two A2s was abit to much for 30m2

[ten9]

Try to keep room temp below 40c. We had it near 41-42 for few hours and passive cooled tp-link switches started to turn themselves off after that, in spec they had max working temp 40c, and it is near that.

And of course, the higher the room temp the louder the fans and more noise in the room.

[Elder III]

As long as there is a pattern of air movement, outside air>miners>hot air exhaust>outside, I think 90-95F is fine. If that's your living room you might be in some serious trouble with your significant other, but if it's a garage, shed, barn, or warehouse it's not a big deal imo.

[RentGPU]

My room reachs 42c this days , lots of gpus are running thier temps started to get a bit high so thinking of getting A/c as i have a very cheap electricity so power draw will not hurt

[joblo]

How would humidity levels affect mining room?

What are good practices for fire protection?

The issue with humidity and electronics is condensation, it's not like how it affects warm blooded animals.
The moisture also gets absorbed by some components shortening their life. Low humidity is good but it has
nothing to do with cooling perrformance.

High humidity environments is an ironic case where higher temperatures are better to keep the relative humidity lower
and protect against condensation.

Some "light" reading...

https://www.electronics-cooling.com/2013/06/electronic-performance-impact-of-elevated-humidity-environments-implications-for-free-air-cooling-of-data-centers/

[eth4lyfe]

I set my shutoff temps to 70*C, my mining room is 85*F (with 30 cards), not too uncomfortable to still play games in. Still tweaking it though, my goal is to get the ambient temps to 80*F or less.

[VoskCoin]

How would humidity levels affect mining room?

What are good practices for fire protection?

The issue with humidity and electronics is condensation, it's not like how it affects warm blooded animals.
The moisture also gets absorbed by some components shortening their life. Low humidity is good but it has
nothing to do with cooling perrformance.

High humidity environments is an ironic case where higher temperatures are better to keep the relative humidity lower
and protect against condensation.

Some "light" reading...

https://www.electronics-cooling.com/2013/06/electronic-performance-impact-of-elevated-humidity-environments-implications-for-free-air-cooling-of-data-centers/

So with free air, there's no practical way to combat the humidity is there? If I'm moving a ton of air through my setup, even with a big dehumidifier the air would come and go before it had the opportunity to be dehumidified?

[QuintLeo]

As long as the humidity is under 80% at the intake side of your rigs, it's nothing to worry about.

 Since the rigs generate substantial heat, condensation is NOT going to be an issue while they are running.


 Also, unless you live in a jungle, when the temperature for the air you're pulling in to cool with is higher, the humidity will be noticeably lower.

 Another thing to keep in mind - if you have any breaker boxes in the same room, you're going to be getting the breakers hot enough to derate them unless you keep them on the cool side of the room with a fair bit of airflow - and even THEN they still might derate due to the breaker box retaining heat.

[bathrobehero]

I just checked and my garage is 42.8°C/109.04F. Outside it's 29°C/84.2F in the shade.

Not much I can do for now.

[gwestcot]

I just checked and my garage is 42.8°C/109.04F. Outside it's 29°C/84.2F in the shade.

Not much I can do for now.

Woah 109 degrees Fahrenheit!!!! That is running pretty hot. My mining room usually stays in the 78 to at most 89 degree range and I live in Florida. However, I do use a dedicated air conditioner to help keep the room cooler and if you use that option it adds maybe 25-30% to your energy costs for the rigs. 

[bathrobehero]

I just checked and my garage is 42.8°C/109.04F. Outside it's 29°C/84.2F in the shade.

Not much I can do for now.

Woah 109 degrees Fahrenheit!!!! That is running pretty hot. My mining room usually stays in the 78 to at most 89 degree range and I live in Florida. However, I do use a dedicated air conditioner to help keep the room cooler and if you use that option it adds maybe 25-30% to your energy costs for the rigs. 

Yeah, I can't pull more electricity now but I'm planning on moving soon with a better solution than what I have now. I don't like these temps either.

[gwestcot]

I just checked and my garage is 42.8°C/109.04F. Outside it's 29°C/84.2F in the shade.

Not much I can do for now.

Woah 109 degrees Fahrenheit!!!! That is running pretty hot. My mining room usually stays in the 78 to at most 89 degree range and I live in Florida. However, I do use a dedicated air conditioner to help keep the room cooler and if you use that option it adds maybe 25-30% to your energy costs for the rigs. 

Yeah, I can't pull more electricity now but I'm planning on moving soon with a better solution than what I have now. I don't like these temps either.

I will be at the same point by the end of the year so I am moving it out of the home and into a cheap warehouse space that has 3 phase power. It is pretty cheap to do so where I live.

[espressodelisi]

I put my itsy-bitsy little 4 gpu rig in the balcony.
it's cooler in open air and it does dot get direct sunlight.
it's on top of a cabinet, near the ceiling, in the inside corner, the rain do not go in there.

And fan noise is not so much problem as they are outside.