Sunday, November 3, 2013

Why does my house get hotter AFTER sundown?

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I can watch the temp rise as soon as the sun goes down. After it gets cooler outside (under 72) I open some windows (one with a fan in it) on opposite sides/ends of the house and make sure the outflow is slightly larger than the inflow so I don't create a backpressure situation. It can be 60 outside and even with the fan on all night I still can't get the house under 70 degrees.

The house faces the West so I know it is getting baked.

Any options to cool it faster? I have a big fan and use it on high. Why does it get hotter once the sun gets off it?
I keep the shade drawn ALL the time and have good insulation plus siding and the house is white. I have plenty of insulation in the attic PLUS a fan that moves 1400 cfm and I only have a 800 sq ft home. I open the attic at night to draw the heat out while sucking in cool night air. I have planted some trees on both front and back but it will take years to get tall enough to do much.

I get home at 6 and it's 78 in the house but by 9 it's 84 So it heats up 6 degrees or so in the first 12 hours and then an additional 6+ degrees in the next 3 hours.



Answer
It's the heat that the walls and floor have absorbed all day and even heat that's under the house. When it gets cooler outside, the heat wants to transfer out into the cooler area. It travels through the walls by conduction then into the air by convection.

http://www.houleinsulation.com/images/appleagte_facts_1_large.jpg

A 78 to 84 degree rise from 6:00 to 9:00. If you can afford it, you should consider getting a 5000 BTU window AC. It will cost you about $150 and then ~15 cents an hour to run. I'm sure it will be worth it.

http://www.epcmarket.com/soleus-kc15.html

Does anyone know how to get rid of shin splints?

Q. Always at the begining season of track I get really bad shin splints. I do all of the stretches and variables your supposed to do to prevent them, but I still get them. I usually ice it too, and lately I've been taking Ibproufen so I can't feel them when I run. Does anyone know how to get rid of them or prevent them?


Answer
This is a really common question, especially among runners. Luckily, it can usually be treated with some simple exercises to strengthen your tibialis muscle.

First, a quick anatomy lesson so you can understand what's going on here.

Shinsplints are usually the product of an underdeveloped Tibialis Anterior -- which is just a fancy name for the muscle on the front of your shin.

http://www.exrx.net/Muscles/TibialisAnterior.html

This is the muscle that allows you to pull your toes up toward your knee -- it also comes into play when you are running or walking down hill. In many people, this muscle is out of balance with the stronger gastrocnemius and soleus muscles (which are to the rear of your calf), which tends to get a lot of exercise just by walking or running on even surfaces everyday.

This imbalance is probably what you are experiencing.

There is actually a really simple, but little known exercise that can strengthen the tibialis and pretty much banish shinsplints.

Here is a link to one variation, performed on top of a couple of plates:

http://www.exrx.net/WeightExercises/TibialisAnterior/DBReverseCalfRaise.html

You can accomplish the same thing by standing on a 2x4 or similar raised surface and, flexing at the ankles, pull your toes upward.

You can also perform this by placing a lightweight dumbell between your feet and flexing at the ankle. Go here to see a picture (you'll need to scroll down to the calves area):

http://health.yahoo.com/topic/fitness/healthyhabits/article/mens-health/5491

I'm a big fan of this exercise and have watched it work wonders for people with shin splints. Perform it one to two times a week, and work your weight up over time. Aim for 15-20 reps, 3 sets.

Best of luck!




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