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Old 06-23-2020, 07:12 PM   #31
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Re: What is a reasonable indoor temp for hot weather?


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Originally Posted by Nik333 View Post
I read that a cooler temp at night helps with good sleep. I've been trying it & it seems to be true.
Works for us.
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Old 06-23-2020, 07:34 PM   #32
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Re: What is a reasonable indoor temp for hot weather?


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Apples and oranges.

Grocery stores also have a vast amount of coolers and freezers to contribute to cooling and lessen the load. Many of the stores have "warehouse" ceiling and the air stratifies. They only have to cool the lower 8'. They also are build on concrete several inches thick with concrete block wall. That mass takes a long time to warm or cool but once it does it is the key to keeping the temperature moderated year round. And the cooling portion for those stores is 80% of their energy consumption.

Actually, its apples to apples comparison.


Most grocery stores have their registers in the ceiling, so they are even cooling the higher areas.


There are lots of homes built with block walls, sitting on concrete several inches thick.


The coolers and freezers aren't actually helping much with the cooling. But are why they keep it cooler in the stores. As the added defrost cycles a warm store would create would be expensive, and hard on the equipment.


But the real point is, that an A/C can easily keep it more than 20 degrees cooler inside than the outside is. As long as it has been sized to do so.
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Old 06-23-2020, 07:40 PM   #33
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Re: What is a reasonable indoor temp for hot weather?


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The coolers and freezers aren't actually helping much with the cooling. But are why they keep it cooler in the stores. As the added defrost cycles a warm store would create would be expensive, and hard on the equipment.


But the real point is, that an A/C can easily keep it more than 20 degrees cooler inside than the outside is. As long as it has been sized to do so.
I don't know how grocery stores do refrigeration in your area, but where I am they still use a lot of open fridges and freezers and the condensers are on the roof.

imo the open units do a lot of cooling, it's freezing around them.

Maybe if they were smarter and used mostly units with doors, far fewer defrost cycles would be needed and the stores could be kept in the mid 70s.
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Old 06-23-2020, 07:47 PM   #34
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Re: What is a reasonable indoor temp for hot weather?


Al Bundy had the right idea for keeping the cost of A/C down...

The freezer isle of the supermarket!

I miss that politically incorrect male chauvinistic misogynistic racially biased show.
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Old 06-23-2020, 07:47 PM   #35
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Re: What is a reasonable indoor temp for hot weather?


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I don't know how grocery stores do refrigeration in your area, but where I am grocery stores still use a lot of open fridges and freezers with condensers on the roof.

imo they do a lot of coolings, it's freezing around them.

Maybe if they were smarter and used mostly units with doors, they wouldn't need to defrost so much and the temp could be kept higher.

Probably standard coffin units.



If they use doors, then they need to use door heaters, to prevent them from freezing shut, and or seating on the floor.


Often freezing around them cause of the people stirring up the cold air inside them while getting their food items from them. Sometimes the vents are damaged and blow the air out further than they are suppose to.
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Old 06-23-2020, 07:57 PM   #36
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Re: What is a reasonable indoor temp for hot weather?


In SoCal, back in the day, I make lots of service calls where we put in open top freezers on new markets and the A/C installers followed up by improperly directing one of their registers toward them. Still air was an absolute necessity. I don't see that type used much back here in Illinois nowadays.

To give you an idea how long ago that was... we ran R-12 in the units with temperature controlled by low side pressure control set at 0 on and 16" vacuum off. It took a 2 H.P. unit to run a 8' open top freezer... talk about a waste of energy!
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Old 06-23-2020, 08:14 PM   #37
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Re: What is a reasonable indoor temp for hot weather?


The marketing geniuses who study things like how people shop have found that shoppers spend as little time in the freezer isle as possible and generally walk faster while going through it. (Al Bundy being an exception) In addition to being uncomfortably cool, it has something to do with the fact that frozen food normally is picked last so as to get shorter unrefrigerated exposure time while getting it home.

Segueing back to what is a proper room temperature for air conditioning, I like 75 F. in day and 72 at night. YMMV
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Old 06-23-2020, 08:30 PM   #38
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Re: What is a reasonable indoor temp for hot weather?


It was up to 104F today. 81F indoors. It's not too bad with a fan on & weak A/C. ( Not really healthy, though) It cools down pretty quickly at night.



I bought a new A/C awhile back, because I've learned not to depend on my landlord, but, haven't put it in, yet. It's supposed to be 111/71 on Friday. I hope not.

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Old 06-23-2020, 08:56 PM   #39
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Re: What is a reasonable indoor temp for hot weather?


I could probably get by with 75 at night and just sleeping under a sheet only... cover being a necessity for some reason, regardless of temperature. However, I don't breath well at night unless it's 72 or lower... I go with 69 in the winter and use a medium weight quilt. With sleep apnea and emphysema, 5 or 6 hours is considered a good night's sleep.

I'm not squawkin', according to what my friend Anthony Thompson told me in Jr. High back in 1950, we'd be lucky to see the return of Halley's Comet in the year 2000 but we'd be "pretty much dead" by then, as he so elegantly put it. I've made it 20 years longer than Anthony figured on... I'm not sure about him... haven't seen him lately. He may be "pretty much dead" and truth be known, some days I feel like I may be likewise.
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Old 06-23-2020, 09:10 PM   #40
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Re: What is a reasonable indoor temp for hot weather?


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Originally Posted by Nik333 View Post
It was up to 104F today. 81F indoors. It's not too bad with a fan on & weak A/C. ( Not really healthy, though) It cools down pretty quickly at night.

I bought a new A/C awhile back, because I've learned not to depend on my landlord, but, haven't put it in, yet. It's supposed to be 111/71 on Friday. I hope not.
You're fortunate to have fairly low humidity up there in NoCal so there's that. You need to realize that just buying a new A/C isn't enough, you have to install it and get it running in order to make any difference.
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Old 06-23-2020, 09:13 PM   #41
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Re: What is a reasonable indoor temp for hot weather?


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You're fortunate to have fairly low humidity up there in NoCal so there's that. You need to realize that just buying a new A/C isn't enough, you have to install it and get it running in order to make any difference.

Oh, it's just a portable. I've done that before. Besides, they have it in on the floor, base of the wall. o.O
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Old 06-23-2020, 09:13 PM   #42
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Re: What is a reasonable indoor temp for hot weather?


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It was up to 104F today. 81F indoors. It's not too bad with a fan on & weak A/C. ( Not really healthy, though) It cools down pretty quickly at night.
probably weak due to a lack of maintenance.
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Old 06-23-2020, 09:16 PM   #43
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Re: What is a reasonable indoor temp for hot weather?


@surferdude2 - Could Anthony have been 15 in Jr High? I found a guy born in Illinois & died in Sacramento at 61.
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Old 06-23-2020, 09:29 PM   #44
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Re: What is a reasonable indoor temp for hot weather?


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@surferdude2 - Could Anthony have been 15 in Jr High? I found a guy born in Illinois & died in Sacramento at 61.
I was 14 at the time although it's possible he could have been a year older. I haven't seen him since high school. We were in science class that day and the topic was life expectancy of people born the year we were. Male life expectancy was 64 1/2 years. So..... 1936 + 64 1/2 = 2000 1/2... = "pretty much dead". BTW, Halley's comet wasn't all that big of a deal.

I'll have to check on him... I subscribe to the newspaper archive service so he might have had his last words in one of the local issues.
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Old 06-23-2020, 09:48 PM   #45
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Re: What is a reasonable indoor temp for hot weather?


I'm happy to report that Anthony is alive and well. He's a Cornell graduate and a practicing attorney in Bethlehem, PA. Pretty much alive I'll add. ‹(••)›
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