Question 1

What is the physical size of this heater??

Accepted Answer

The specifications give a complete description of the heater:
Height25.2" Width13.78" Length9.06" Weight23.15 lbs.

Question 2

how much electric does this use for cost?

Accepted Answer

We went through Hurricane Sandy where there was a huge need.
Its costs if you run oil and other means of heating. But, if you are 
only capable of electric its part of the expense.

Its pet safe, you will not get burnt. It heats well and is the better
make for portable heater. The quality is there. The expense depends on your needs. Good luck, the product is worth well getting.

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