and

$4.$ Name s ways you can eain confidence with Air now

$45.$ The balaneing company is held to certain standards and we should always accept their reports as very accurate $>$

$rq,$ F$.$

$46.$ What ASHRAE number is used for water as a refrigerant?

A$,R=1$

$B,R=0$

C$)$ R $718$

D$.$ R $1000$

$47.$ A wall $30$ feet long and $8$ feet tall has $R-11$ insulation, $\frac{1}{2}$ inch dry wall, and $\frac{3}{4}$ plywood siding what is the heat loss The design delta is $0$ deg $F$ outside and $72$ inside?

$48.$ How is Electricity billed?

$49.$ A direct Acting Pneumatic Room thermostat increases the signal with a room increase in temp T F

$q,50,$ What is the inverse of $R$ value?