WITH CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
What is the "differential"?
Temp. calibration sequence
Number of degrees before the target temp. is reached and
the 2nd stage will stop running
Number of stages an HVAC has
Number of degrees before the heat/AC will kick back on to
keep the home at the target temp - ANSWERS-
Name 2 types of furnaces found on an HVAC system:
Gas
Solar
Conventional
Heat Pump
Electric - ANSWERS-
, Determine the HVAC setup based on the following wiring:
C,B,W2,Y,Rh,G
Heat pump, AC powered, 1 stage pump
Conventional, AC powered, 1 stage heat, 1 stage cool
Heat pump,, AC powered, 1 stage pump, 1 aux heat
Conventional, Battery powered, 1 stage cool, 1 stage heat -
ANSWERS-
How many stages of heat does a conventional unit with a
furnace have it it has both W and W2 wires?
2 stage
3 stage
4 stage
1 stage - ANSWERS-
Which of the following untis are not compatible with Vivint
systems?
Heat Pumps
Baseboard heating
PID thermostats with A B C wiring
Radiators