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2010-05-07 8:43 AM

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Pro
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McKinney, TX
Subject: Office thermostat rant
[rant]

There is one programmable thermostat for each section of the office.  It has been programmed for everyone's "average" comfort.  If you are hot or cold, do NOT take it upon yourself to use the Hold feature of the thermostat to make it comfortable for you.  There are others in the office.  If it is consistently too hot or cold for you, talk to others to see if it's the same for them.  Maybe we should change the thermostat program.  But it should be done for the benefit/comfort of all.

[/rant]


Edited by KenD 2010-05-07 8:44 AM


2010-05-07 8:47 AM
in reply to: #2843317

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Buttercup
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Subject: RE: Office thermostat rant
That reads more like a PSA, rather than a rant.

Maybe if you ratchet it up a bit, toss in some hyperbole, lots of !!!!, or disparage a couple of coworkers, it might lower to the level of a rant.
2010-05-07 8:49 AM
in reply to: #2843317

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Pro
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McKinney, TX
Subject: RE: Office thermostat rant
How's this:

[rant]
Don't touch the frakkin' thermostat!!!!!!!!

[/rant]
2010-05-07 8:50 AM
in reply to: #2843345

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Buttercup
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Subject: RE: Office thermostat rant
KenD - 2010-05-07 9:49 AM How's this:

[rant]
Don't touch the frakkin' thermostat!!!!!!!!

[/rant]


Too brief. That's more like a frustrated exclamation.

Is there a BeginnerRant website?
2010-05-07 8:54 AM
in reply to: #2843317

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Subject: RE: Office thermostat rant

ASHREA (American Society of Heating, Refrigeration and Air-Cooling Engineers - the group the sets the standards for things like this) says the right temperature for an office is the temperature at which 80% of the people are comfortable, ASHREA 55-81

2010-05-07 8:57 AM
in reply to: #2843317

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Pro
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MA
Subject: RE: Office thermostat rant
At least you have access to your thermostat.  We don't.  It's controlled somewhere remotely. 
It flucuates from day to day, and from this end of the building to that end of the building.  One can feel the temperature gradient walking in the hallway. 
I am glad my group is moving to another building soon.  but there might be the same problem there.


2010-05-07 9:03 AM
in reply to: #2843317

Veteran
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Subject: RE: Office thermostat rant
If you don't pay for it, don't touch it.  That being said, if you are a business owner/manager, don't be a stingy shnook.  I am the latter, but it is less expensive to have happy workers than to have people whine about how hot it is right now.    
2010-05-07 9:17 AM
in reply to: #2843317

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2010-05-07 9:34 AM
in reply to: #2843317

Extreme Veteran
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Greer, South Carolina
Subject: RE: Office thermostat rant
The good news for me is that the thermostat for our section of the office is actually in MY office.

I set it where I'm comfortable and the heck with the rest of them.

Actually I keep it a little cooler than some would like, but I figure that if you're cold you can always put something else on. There 's only so much that those of us who are always hot can take off before it gets a little obscene.

2010-05-07 9:40 AM
in reply to: #2843501

Science Nerd
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Redwood City, California
Subject: RE: Office thermostat rant
BigBoy - 2010-05-07 10:34 AM The good news for me is that the thermostat for our section of the office is actually in MY office. I set it where I'm comfortable and the heck with the rest of them. Actually I keep it a little cooler than some would like, but I figure that if you're cold you can always put something else on. There 's only so much that those of us who are always hot can take off before it gets a little obscene.


I'm always the cold one in my office and I'm completely willing to wear sweatshirts and sweaters and work because of it.  It's especially funny in the summer when I forget to take the extra layers off before I go outside.
2010-05-07 9:50 AM
in reply to: #2843317

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Subject: RE: Office thermostat rant

So, I'm and Energy Engineer.  My job is to go into buildings and make them use less energy.  The first rule is don't do anything that decreases productivity.  People doing things make money, people whining about the temperature waste money.  So make people comfortable.  In a large office it's impossible to make everyone comfortable, thus the 80%, but just making it hot or cold is almost always a fail.

If your office is uncomfortable it's broken and can be fixed, it's not the way it has to be.  Oh and it doesn't have to cost a fortune to fix either.

WARNING ENGINEERING FOLLOWS  (Feel free to skip to the next post)

For years commercial buildings were built around the HVAC design principal  called constant volume reheat.  What this means is that the building moves the same amount of air all the time and delivers this same volume of air to each space all the time.  To control temperature as the space gets used the temperature of the air is varied as a result of the number of people, computers, coffee pots, copiers, etc.   To do this the air handler that serves the space cools all the air enough to cool the whole building on the hottest day, typically to 55 degrees to help with dehumidification.  Then if an individual space is cold, then a heating coil in the duct that delivers air to that space reheats the air to that space as needed to maintain temperature.  Pros are its simple and it *can* deliver very good control.  The bad is its energy inefficient.  If the person with the stat tries to save energy buy raising the temperature in the summer, they will have exactly the opposite affect.  That is because when the warmer air leaves the space and is returned to the air handler it then must be cooled back down before it can be sent back into the building.

More modern buildings use a variable volume system most of the time.
This means that there is still the reheating of air, but the volume is adjusted from a minimum to a maximum position first trying to maintain temperatures, then if the space is still cold the reheat is turned on.

So why does it result in discomfort, sensor drift, reheat valves leak hot water into coils when they are supposed to be closed.  Fire dampers shut blocking air flow, the heating coils are dirty and block air flow, the air flow measuring stations in boxes that control airflow are broken or out of calibration and need attention, the discharge air temperature on the air handlers is set to cold and has resulted in low delta T syndrome and the chillers can't keep up, the heating system is off or reset too low, the heating water or cooling water is too dirty and there is inadequate heat transfer, the control system is poorly programmed and has lost control, and on and on.

There are people who can help; it's rarely the people who got the building that way in the first place.



2010-05-07 10:22 AM
in reply to: #2843369

Master
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Kirkland, WA
Subject: RE: Office thermostat rant
MNGopher - 2010-05-07 6:54 AM

ASHREA (American Society of Heating, Refrigeration and Air-Cooling Engineers - the group the sets the standards for things like this) says the right temperature for an office is the temperature at which 80% of the people are comfortable, ASHREA 55-81



Ahem, it is ASHRAE  
2010-05-07 10:28 AM
in reply to: #2843704

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Subject: RE: Office thermostat rant
ultrahip_00 - 2010-05-07 10:22 AM
MNGopher - 2010-05-07 6:54 AM

ASHREA (American Society of Heating, Refrigeration and Air-Cooling Engineers - the group the sets the standards for things like this) says the right temperature for an office is the temperature at which 80% of the people are comfortable, ASHREA 55-81



Ahem, it is ASHRAE  


Damn...I hate when that happens.
2010-05-07 10:38 AM
in reply to: #2843732

Master
1610
1000500100
Kirkland, WA
Subject: RE: Office thermostat rant
MNGopher - 2010-05-07 8:28 AM
ultrahip_00 - 2010-05-07 10:22 AM
MNGopher - 2010-05-07 6:54 AM

ASHREA (American Society of Heating, Refrigeration and Air-Cooling Engineers - the group the sets the standards for things like this) says the right temperature for an office is the temperature at which 80% of the people are comfortable, ASHREA 55-81



Ahem, it is ASHRAE  


Damn...I hate when that happens.


but that was a pretty good explanation on CV and VAV systems.  I sell commercial HVAC equipment, so I am an 'expert' in it   more like still learning, insanely complicated!
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