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Posted on 6/26/24 at 1:52 pm to Ingeniero
-add more insulation
-get new windows that are low-e. - make sure the vacuum seal in 2 layer
windows isn't broken
-add attic vents. the can be direct powered to electrical or solar powered.
They can turn on at a specific temp in attic and speed up hot air evacuation
-Swamp coolers are decent low cost- they are fans that pump/use water to cool a room. Can put freezer packs or ice cubes to speed up cooling.
-close the blinds on every window. This works well for me. Sun tracks over my house and I have no cover. The afternoon sun bakes the front of my home, and closing all blinds does seem to make a difference.
I don't have anymore spots on my breaker box so adding another 1 room unit AC for me would be crazy expensive.
-get new windows that are low-e. - make sure the vacuum seal in 2 layer
windows isn't broken
-add attic vents. the can be direct powered to electrical or solar powered.
They can turn on at a specific temp in attic and speed up hot air evacuation
-Swamp coolers are decent low cost- they are fans that pump/use water to cool a room. Can put freezer packs or ice cubes to speed up cooling.
-close the blinds on every window. This works well for me. Sun tracks over my house and I have no cover. The afternoon sun bakes the front of my home, and closing all blinds does seem to make a difference.
I don't have anymore spots on my breaker box so adding another 1 room unit AC for me would be crazy expensive.
Posted on 6/26/24 at 2:19 pm to RaginCajunz
quote:
The attic zipper is the easiest and biggest bang for your buck.
This thing was big for me. Used silicone and metallic insulation tape around the edges after stapling it in for extra seal. All in probably $60 and took 20 minutes to install.
LINK
Posted on 6/26/24 at 2:20 pm to Ingeniero
quote:
Sounds like an open-door blower test. Primarily used to measure infiltration levels of a home.
I would suggest this. I had a blower door test, and HVAC duct leakage test conducted on my house about 3 years ago, at that time, they cost $300 & $350, respectively. Same company, same equipment used for both tests. I would suspect a bit more expensive today.
You can check with your utility company, they may actually pay to have the blower door test conducted for you; to my knowledge they don’t pay for duct leakage test but I could be wrong.
From that information you can identify how “leaky” your house is, and many of the improvements in making your house more tight to air infiltration you can DYI.
This post was edited on 6/26/24 at 5:11 pm
Posted on 6/26/24 at 2:22 pm to CatfishJohn
When it's super hot, I also put thing at the top of the stair case upstairs blowing directly towards my upstairs AC unit intake vent. I wouldn't say it dramatically cools the upstairs but it DEFINITELY makes it more pleasant when it's 100 degrees outside and I think it helps the AC to not have to work as hard.
I know you said you did this, but just saying it works for me best upstairs directly in the path of the humid air rising (top of stairs) and then I blow the dry air towards the indoor air intake.
LINK
I know you said you did this, but just saying it works for me best upstairs directly in the path of the humid air rising (top of stairs) and then I blow the dry air towards the indoor air intake.
LINK
This post was edited on 6/26/24 at 2:26 pm
Posted on 6/27/24 at 5:04 pm to DukeSilver
quote:
add insulation to your attic if it's low.
If you are able DIY and put two layers of six inch batt in and on the ceiling rafters.
Posted on 6/27/24 at 5:06 pm to CatfishJohn
Yes those are good.
Posted on 6/28/24 at 5:23 am to Ingeniero
Cool your attic space. Ventilation. Insulation. Radiant barrier.
Posted on 6/28/24 at 10:29 pm to Ingeniero
quote:
Are there low cost things I can do to keep my home cooler?
Get yourself an infra red thermometer and scan everything with it. I am talking about the little thermometers that are shaped like a pistol. You can point it at the wall and tell what the temperature of the wall is.
I have found everything from air conditioning duct leaks to runs where insulation was completely missing from my attic.
Posted on 6/30/24 at 1:40 pm to notsince98
quote:
Not quite. that isn't how the earth's tilt works.
Bro you need to read up a bit more. Your perceptions of the motion on the sun are off.
Posted on 6/30/24 at 1:59 pm to MikeD
quote:
Bro you need to read up a bit more. Your perceptions of the motion on the sun are off.
No, I dont. I do solar design for a living. If you want to easily replicate it, just go take a flashlight and a globe....or just start paying attention to the sun/shadows during the year. Note the movements and how the sun moves during the year. There isn't a place in the USA that doesn't get north facing sun during the summer in the mornings and evenings.
This post was edited on 6/30/24 at 2:01 pm
Posted on 6/30/24 at 2:05 pm to MikeD
Here is an example from St Louis showing the sun shines from the northern side in morning/evenings:
LINK /
Here is one showing the same for baton rouge
LINK /
Here is seattle:
LINK /
Notice how the further north you go, the more north facing suntime you get. Which makes sense when you get to places in alaska that dont have nights during the summer but the sun still moves in circles in the sky.
LINK /
Here is one showing the same for baton rouge
LINK /
Here is seattle:
LINK /
Notice how the further north you go, the more north facing suntime you get. Which makes sense when you get to places in alaska that dont have nights during the summer but the sun still moves in circles in the sky.
Posted on 6/30/24 at 5:01 pm to notsince98
quote:
Here is an example from St Louis showing the sun shines from the northern side in morning/evenings:
Cool link.
Posted on 6/30/24 at 6:18 pm to notsince98
quote:
I'm in KC, during the summer the south side of the house only sees direct sun for about 2-3 hours mid-day. From about 3pm on, the north side of the house is getting direct sunlight. Being in the south, you probably get even more sun on the north side than I do.
The sun moves from south to north from Dec 20th to June 21st. Then it starts moving south. Only at mid day does it behave like you are assuming. The tilt changes things for mornings/afternoons for areas above the tropic line in the northern hemisphere and below the tropic line in the southern hemisphere.
I believe you, but I'm going to need to see this presented graphically
Posted on 6/30/24 at 7:26 pm to TigerFanatic99
He's correct for dawn and dusk.
However during the hottest part of the day it's south facing. Hence why another poster above mentioned trees on south side of house.
Think about a house on the Arctic circle. At noon the sun would be directly south. At midnight you'd have to face the north pole to see the sun as it's on the other side of the planet.
However during the hottest part of the day it's south facing. Hence why another poster above mentioned trees on south side of house.
Think about a house on the Arctic circle. At noon the sun would be directly south. At midnight you'd have to face the north pole to see the sun as it's on the other side of the planet.
Posted on 6/30/24 at 7:46 pm to Ingeniero
Our home is 3600 sq ft and easily cooled to 70 degrees with 2 AC units totaling 5.5 tons.
10 foot ceilings in bedrooms rest of house is 14 foot.
The only thing I know is it is spray foamed. It is amazing. My attic is probably 78-80 degrees right now.
10 foot ceilings in bedrooms rest of house is 14 foot.
The only thing I know is it is spray foamed. It is amazing. My attic is probably 78-80 degrees right now.
Posted on 6/30/24 at 9:03 pm to TigerB8
quote:
I don't have anymore spots on my breaker box so adding another 1 room unit AC for me would be crazy expensive.
You can make room with tandems, shouldn’t be crazy expensive
Posted on 7/2/24 at 1:40 pm to Ingeniero
quote:Sort of the opposite of "low cost" but when it's time to replace your roof consider going with metal.
low cost things I can do
Asphalt shingles have gotten crazy expensive, making metal a little more competitive.
Our insurance premium dropped $700 per year after we replaced asphalt with metal, and the house seems noticeably cooler - which seems to jive with manufacturers' claims of up to 25% energy savings.
Posted on 7/3/24 at 2:27 pm to Ingeniero
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