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re: What temp do you come home to if the AC is off all day?
Posted on 7/6/19 at 8:52 am to Chuker
Posted on 7/6/19 at 8:52 am to Chuker
quote:
about guarantee its an urban legend. Heat transefer is going to happen at a more rapid rate when your home is at 78 and the outside is at 95 than when your home is at 85 and the outside is 95. It might feel like you're saving money but your really not. Leave it on for comfort, not savings.
It’s more about how long it takes to cool your home from 85 to say 75 or lower when you get home and turn it down.
0
Posted on 7/6/19 at 8:53 am to lynxcat
Don’t know if Fact or fiction. Our thermostat is programmed to 77 during the day and 74 an hour before we arrive home from work. We also have the variable speed compressor/blower model from Trane. If the house remains somewhat cool, the blower and compressor are operating in a more economical mode. I’ll never let the interior of my home get to 78 again, Worst feeling in the world is walking into a hot house and waiting hours for it to cool down.
This post was edited on 7/6/19 at 8:55 am
Posted on 7/6/19 at 8:55 am to OSoBad
quote:they all work the same when turned off.
Sounds like your A/C is fricked up
That said, the op is goofy for turning it off
Posted on 7/6/19 at 8:56 am to Chuker
quote:
about guarantee its an urban legend. Heat transefer is going to happen at a more rapid rate when your home is at 78 and the outside is at 95 than when your home is at 85 and the outside is 95. It might feel like you're saving money but your really not. Leave it on for comfort, not savings
Ehhh.. still sounds stupid to me, and a very uncomfortable 45 minutes upon arrival at home.
Also, your system has to RUN HARD for those 30-60 minutes after you get home. Instead of the usual function (on for 6 minutes, off for 5 minutes, repeat, or whatever).
I have found that the harder/longer a system works, the more likely the line will freeze-up and thus quit on you for a good while, until it thaws.
Posted on 7/6/19 at 8:59 am to Chuker
This is a terrible practice, not efficient, saving cost, or good for your system.
You can raise the temp before you leave but don’t turn it off.
I leave mine at 73-75 most of the day and the upstairs unit gets set at 69 at bedtime.
You can raise the temp before you leave but don’t turn it off.
I leave mine at 73-75 most of the day and the upstairs unit gets set at 69 at bedtime.
Posted on 7/6/19 at 9:03 am to mtcheral
quote:
it doesn’t have to work so hard to cool down
The A/C is either on or off. It can't work harder.
Do you stop on a long trip to let your car rest
Posted on 7/6/19 at 9:12 am to weadjust
quote:
The A/C is either on or off. It can't work harder.
You might want to educate yourself on two stage ACs before making such an incorrect statement next time.
Posted on 7/6/19 at 9:18 am to weadjust
quote:please see my earlier post about how inside humidity levels would rise with the a/c off, then google the effects of high humidity on your a/c. it absolutely has to work harder, and unlike your car, it can freeze up if on too long
The A/C is either on or off. It can't work harder.
Posted on 7/6/19 at 9:24 am to Chuker
Whatever temperature it is outside minus five-ish degrees
Posted on 7/6/19 at 9:35 am to Chuker
I leave my ac on 69F 24/7.
Very shaded yard and house so it doesn’t run THAT much
Very shaded yard and house so it doesn’t run THAT much
This post was edited on 7/6/19 at 9:37 am
Posted on 7/6/19 at 9:49 am to Hammertime
quote:
Hammertime
Whatever temperature it is outside minus five-ish degrees
Thank you Hammer, you seem to be the only person in this thread that can read and answer a question.
Posted on 7/6/19 at 9:51 am to Chuker
quote:This is how you frick your AC up if you do this everyday...
What temp do you come home to if the AC is off all day?
Posted on 7/6/19 at 9:53 am to Hammertime
quote:
Whatever temperature it is outside minus five-ish degrees
So if it’s 95 degrees outside you keep your house at 90?
Yeah, but no.
Posted on 7/6/19 at 9:57 am to Chuker
I’ve always heard that if you leave your ac off your house should stay 10 degrees cooler than the temp outside. That’s how you tell if you have adequate insulation
Posted on 7/6/19 at 10:00 am to Chuker
quote:
What temp do you come home to if the AC is off all day?
I don't turn mine off ever. Florida
I'm a FL lic. HVAC cont. doesn't mean I know it all but I know a little.
Louisiana and Florida are pretty similar when comparing temp and humidity. I watch Tampa obviously and Vernon Parish being that is where my heart is. The two are almost identical year round however VP gets hotter and colder.
I mention this because if you turn your a/c off and come home to 85 degrees in 97 plus degree weather, I'm not thinking you are doing that bad. I would be interested in how your home sits and how big your windows are and what type of treatments you use (tint, drapes ect) Do you have large trees is the roof shaded? How does the afternoon sun hit your home, full bake or not. These all play a roll.
Humidity is a real concern like another poster previously mentioned. When you turn your machine off you are no longer "conditioning the air." When you turn your system back on the unit will (believe it or not) focus on removing the humidity first, your delta split (return air vs. supply air) will be lower, than if the system has been running and managing the humidity all day.
When someone sets the set point really low and the unit runs continuously for an extended period of time the unit will freeze. The only times I have witnessed a "proper system" do this has been in, "tenant situations" set point at 60 when it's 98. Still kind of rare in my limited experience.
Posted on 7/6/19 at 10:03 am to tgrbaitn08
quote:
So if it’s 95 degrees outside you keep your house at 90?
jesus christ
Posted on 7/6/19 at 10:07 am to Chuker
I was joking retard. Read my post right under that one
Posted on 7/6/19 at 10:10 am to tgrbaitn08
Read the title and OP. If I turn off my A/C, that's what it gets too. I keep my house at 75 when I'm gone, because it takes too long to cool off the air and contents if I go any hotter.
3.5t unit in a 1200sqft shotgun house, serviced yearly. It runs all day to keep it at 75. My house is raised, has insulation where I can get it, but is from the early-50s. I'm contemplating insulating underneath the house.
3.5t unit in a 1200sqft shotgun house, serviced yearly. It runs all day to keep it at 75. My house is raised, has insulation where I can get it, but is from the early-50s. I'm contemplating insulating underneath the house.
This post was edited on 7/6/19 at 10:11 am
Posted on 7/6/19 at 10:10 am to Chuker
You are going to break your Ac by turning it off during the day. We set ours to 79 when we leave and bump it down to 75 when we get home.
Posted on 7/6/19 at 10:19 am to Chuker
90+. It costs more to turn the AC off an on than to reset the thermostat while you are away.
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