## Math is Fun!

by on Nov.18, 2013, under Dave's Rants

Recently, this viral video has been spreading around the internet, showing how to heat a room for \$0.15 a day. But, is that really cheap?

So, time for some simple math. But, first, I have some questions that I’ll need to answer first, in order to do the math:

1. What does the average room cost to heat?
1. Cost to heat an average home per year: \$1,400 (I found a reference, but lost it — you can google)
2. Size of average home: 2392 sqft Census
3. Size of average room: 64-144 sqft Google’ed it

So, how much per day to heat an average room?

Cost per year to heat a room is:

$\Large\color{cyan}(64/2392)*\1,400\Longrightarrow(144/2392)*\1,400$ $\Large\color{cyan}\37.46\Longrightarrow\84.28$

So, how much per day?

$\Large\color{cyan}((64/2392)*\1,400)/365.25\Longrightarrow((144/2392)*\1,400)365.25$ $\Large\color{cyan}\0.10\Longrightarrow\0.23$

So, using candles is about the average people would spend, by turning on the heater. Not quite as impressive as it sounds. Plus the added fire hazard . . etc. And, I picked high heating bills . .

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