Beating the Heat

It is a little known fact that homo sapiens require a very narrow temperature range for survival. We thrive between roughly 20°C and 24°C (68°F - 75°F). A degree or two warmer or cooler and we begin to wilt like flowers in the scorching sun or enter the beginning stages of hypothermia. At least that’s what you’d believe if you examined how most homes and offices manage their heating and cooling.

There are two clear reasons why how we use our heating and air conditioning matters. The first is economic, and the other is environmental. There are a few other potentially more important reasons, but let’s start with those two. The economics is easy. Electricity costs hard-earned money. Air conditioning requires electricity. The more you use air conditioning the more of your hard-earned money goes to the electric company. The environmental impact is directly related to electricity generation. As energy demands spike, electricity generators increase their production and, therefore, pollution. Remember, power generators are among our dirtiest polluters.

My other reasons for disliking AC are related to how air conditioning may affect our culture. Before the days of central air, I remember spending Sunday evenings sitting on my grandparents’ front lawn with my family. We’d talk to neighbors and friends when they passed by. It’s only anecdotal evidence, but I suspect that air conditioning may contribute to a culture in which individuals are increasingly insulated and alienated from one another. My other concern is about what happens to a culture whose every whim is satisfied. Yes, some people with medical conditions truly need AC. For the rest of us, I think it would do us good to experience a greater diversity of temperatures. I find that when I spend too much time in the air conditioning, I have more difficulty working outside in hot weather and become more susceptible to minor illnesses that seem to be related to shifts in the weather. I also share Teddy Roosevelt’s concern that many of the comforts of modern life are making us weak and less independent.

So where do we start? Nobody (unless you’re as crazy as I am) wants to just turn off their AC. Here are the highlights from a few sites that I'll link to below.

Set your thermostat as high as is comfortable during the summer.

Use a programmable thermostat. Allow the AC to turn off or the temperature to go up when no one is home. You’ll save more than maintaining the same cool temperature 24/7.

Turn off the AC and open your windows in the evenings and mornings when it's cool outside.

Close your windows and draw the shades during the day to keep the sun from heating up your home's interior.

Drink lots of water.

Rest during the heat of the day, and plan physical activity for the cooler mornings and evenings.

Avoid caffeine and alcohol.

Eat light and eat what's in season locally. Fruits and veggies are exactly what your body needs in hot weather.

Use the stovetop or oven less.

http://www1.eere.energy.gov/consumer/tips/air_conditioners.html U.S. Dept. of Energy website.

http://michaelbluejay.com/electricity/cooling.html Great website on energy conservation. This page is on cooling.

http://financialplan.about.com/od/savingmoney/a/CoolingCosts.htm?terms=save+on+cooling An about.com page on saving money on air conditioning.