P1.1.4 Heating and Insulating buildings Flashcards
1
Q
What do U-Values measure
A
How effective a material is as an insulator
2
Q
The lower the u-value the….
A
The better the material is as an insulator
3
Q
What do solar panels that contain water do
A
Water is heated due to radiation from sun. Water may be used to heat buildings or provide domestic water
4
Q
What is the specific heat capacity
A
The amount of energy required to change the temperature of one kilogram of substance by one degree celcius
