Allow me to give you several suggestion.
... the experimental design for house by ...
It will be better, if you use "housing" than "house"
You should say, "Therefore, the rural area had
been chosen ..."
You should say" This was
because that the materials could
absorb the sunlight."
You should say "Afterwards, it could
be useful to ..."
You should say "materials as with this way it could
reduce the negative ..."
Can = Present
Could = Past
Hope it helps you :)