Updating HVAC equipment improves energy efficiency and pays back the expense of installation with savings over a ________ year period
A) 1- to 3 B) 5- to 7 C) 7- to 10 D) 3- to 5
C
Trades & Technology
You might also like to view...
The development of railroads and the telegraph was inconsequential to the development of
agribusiness.
Indicate whether the statement is true or false.
Trades & Technology
What two substances are commonly used as a reductant in SCR systems for diesel engines?
What will be an ideal response?
Trades & Technology
In the diagram, triangle ABC is congruent to triangle DEF. If side AC is equal to 12 inches, side AB is 9 inches and Side BC is 8 inches. What is the measure of DF?
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
When a level box cornice is used, a cornice ____ is necessary.
A. board B. sheathing C. soffit D. return
Trades & Technology