I feel for you!! On 2021-07-21 22:21, Eric Oyen via PLUG-discuss wrote: > Well, yes and no. > During the “dry months” it can be a little over efficient. During the > 110 degree days with less than 5% humidity, it can maintain the place > at 80-85 degrees. During the monsoon (especially this last week), it > can be miserable, although cooler than outside. It was over 90 in the > house today and almost as muggy as any coastal city. With that much > moister in here, things tend to get sticky and mildew can build up > rapidly. So, during the cool of the night (if you call 90 outside > cool), we put it on vent and dry out the house a bit. > > And yeah, all this moister can be hell on computer equipment. Contacts > tend to corrode, dust starts to become more conductive, etc. Now, if I > had an ammonia chiller unit here with the condenser coil being > pre-cooled by the evaporations cooler, we could be dry as a bone in > here and 80 degrees regardless of outside temp. The reason I specify > an ammonia chiller, it doesn’t require a compressor to operate (just a > low value thermal exciter to get the ball rolling) Sure, running an > extra fan inside to blow air across the coil might take a few extra > pennies, but the chill during the heat would be more than worth it. > > -Eric > From the Central Offices of the Technomage Guild, HVAC Dept. > > >> On Jul 21, 2021, at 6:50 PM, Keith Smith via PLUG-discuss >> wrote: >> >> >> Hi Eric, >> >> I assume you live in the valley? And you use a master cool evaporative >> cooler... Off topic question - Does your master cool, cool your house >> reasonably in the summer and more so during the monsoons? >> >> >> On 2021-07-21 15:50, Eric Oyen via PLUG-discuss wrote: >>> Back when I ran a home server on my Athlon X2 with 1500 W supply, the >>> machine never drew that much. Even with several disks spinning, 8 >>> VMWare instances going and a few other goodies, that machine never >>> drew more than 600w at maximum. I kept it live 24/7 for a few years >>> and it added less than $120 yearly to the electrical bill. These >>> days, >>> that machine is out of service and is only good for parts. My Mac >>> mini, which draws at most 100 W under full load is on 24/7 and I >>> don’t >>> even see it add that much to the electrical bill here. There are >>> really only 3 high draw appliances in this house now: >>> 1. The refrigerator >>> 2. The stove/oven >>> 3. The master cool evaporative cooler. Everything else either runs on >>> wall warts or only gets used occasionally. In fact, we spend less >>> than >>> $150 a month here for electric. Now, if I put that Athlon X2 back >>> into >>> service, we might see $10 a month in extra use. I am still >>> contemplating putting it back up and using it as my go to linux >>> development machine. >>> -Eric >>> From the Central Offices of the Technomage Guild, Utilities Dept. >>>> On Jul 21, 2021, at 7:33 AM, Keith Smith via PLUG-discuss >>>> wrote: >>>> Hi, >>>> I just read this quote about the electrical costs to run a web >>>> server from home: >>>> Cost: While it may sound cheaper to use that computer lying around >>>> doing nothing when creating your web server, when you factor in the >>>> cost of powering an old computer 24 hours a day, it can get very >>>> expensive. A 250W desktop computer running 24 hours per day at 12 >>>> cents per KW/h is a whopping $262.00 per year! >>>> --- >>>> I think their math is wrong. >>>> The average residential electricity rate in Chandler is 10.85¢/kWh. >>>> I'm thinking a low traffic PHP web server running on an old Dell >>>> with a 400 watt power supply is not using but maybe 100 watts on >>>> average. I've read that the computer should use no more than half >>>> the power supply capacity. Is this correct? >>>> If my home web server is using 100 watts an hour that mean 100 watts >>>> * 30 days * 24 hours or 72K watts. >>>> I'm thinking 72 * .1085 = $7.81 a month. >>>> Any thoughts are much appreciated. >>>> --------------------------------------------------- >>>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>>> To subscribe, unsubscribe, or to change your mail settings: >>>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >>> To subscribe, unsubscribe, or to change your mail settings: >>> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org To subscribe, unsubscribe, or to change your mail settings: https://lists.phxlinux.org/mailman/listinfo/plug-discuss