I have central air conditioning ($!), but I try not to use it except in extreme conditions, like very high humidity or rain on a hot day. To keep cool, I make sure I pull the blinds on any east-facing windows before I go to bed, which keeps the baking hot sun from starting the day off too hot. I also open all windows at bedtime, to let the cooler air collect in the house.
In the morning, I close all of them and just use a small tabletop or floor fan to keep the naturally cooled air moving. You'd be surprised by what a difference it makes to have air moving instead of using the AC. I "chase the sun" during the day, pulling down blinds to avoid the sun as the day progresses.
Keep in mind, too, that televisions, computers, etc, all put out significant heat, so keep that to a minimum or just BBQ as much as possible and use a small or Energy Star TV. An hour before bedtime, I may check the temperature in the house and, if it's too high (above 76F), then I turn on the AC for about an hour.
After that, open the windows to let the cool night air back in. Using the ventilator fan in the bathroom also helps suck the hot air out, and window fans are great for pumping the cool air in during the night. My electric bill drops significantly during the summer, because I'm not using the HVAC system to heat or cool the house.
Wish that would work in So. Fla, lol (08/06/2009)
Wish it would work in north central Florida too! :) (08/06/2009)
On the serious side though, I live in Florida so it's hot about 8 months out of the year and I'm always looking for a way to cut our electric bill. I have found that ceiling fans work wonders, but only run them when someone is in the room. They cool people, not rooms. Also, keeping the blinds closed when the sun is in the east and then the west makes a big difference. We keep our A/C set at 78 - 80 degrees and use our ceiling fans and stay comfortable. (08/06/2009)
In TX you can seldom ever open the windows; it's still too hot. And cooking out in TX is a scorcher. Remember the show Dallas where you see the family out on the patio. I laughed every time I saw that. And like we all wear cowboy hats and boots and have horses and cows in our yards. Yes, some do but not the most of us. LOL (08/06/2009)
It must not be too hot where you live but here it is to hot and our power company says not to cut your AC on and off like that. It is not good for the unit. This week we have temps 98 and heat index 103 - 105. I would cut AC up a little, run ceiling fans.My blinds stay closed all summer to keep heat out. (08/06/2009)
By Teresa Tart
The windows covered is good, we keep our living room windows covered for two reasons, they are on the south side, and in summer they let in too much light, therefore too much heat, and they fade fabrics. If our night temps. Here on the coast of Alabama ever got below 75 or 76 degrees in the worst part of summer then leaving the windows open would be nice, but it usually is in the too hot range, and humidity is way up there. We use ceiling fans, steadily, to mix the air constantly, but if we didn't use a c (it was off for about 9 hours one late afternoon until the next morning, awaiting repairs,and reached 85 before 10 p.M. With good insulation), there would not be a meal cooked, inside, or out on the grill. We try to save in other areas, but without a c, i think our health would suffer. The grill gets used between about Oct. -June. (08/06/2009)
Do you open the windows when the outside temperature is higher than the inside temp? Our overnight lows tend to be above 80 degrees outside, but with fans running would it still be helpful? (08/06/2009)
By Mary Ross
North Fla gal here, wishing we could leave windows open at night. Between high temperatures along with the humidity factor and a not to be forgotten crime rate the windows stay closed and locked most of the time. We keep the house A/C on 78* and also use our ceiling fans. 78* degrees takes some getting used to when the temps outside are triple digits, but you get used to it. (08/06/2009)
I can remember when we didn't have any form of AC! We had a water cool fan that we used in the hottest part of the day. At night it was open windows and occelating fans. It was sticky with humidity, but it was all we knew.
Now that I am older and have AC, we keep ours on 78 - 80 degrees in summer and around 76 or lower in the winter. Hubby is out in the heat all day and it is too cool in here for him. If I get hot, I just turn on a fan for abit and things cool me off fast! Oh, and we use our ceiling fans year round.
My son, Heating and Air man said to leave your thermostat set at 72 all year round. Your house will only heat or cool 20% more that your outside temp and doing all the adjusting and shutting off is what runs your bill up so much (08/09/2009)
One thing to remember is when it's hot and humid and your fan is sucking in that moisture you are creating a mold and mildew situation! Better to have one fan blowing the air out with all the windows open. This helps create a better air flow in the house. We had an attic whole house fan which was great for cooling but I found mildew on my furniture!
In San Diego we use a whole house fan. We found a really quiet one-
It's so nice- no more AC- of course- we never get as hot as Texas (02/19/2010)
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