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HVAC CONTRACTOR EXAM 2026 EDITION | COMPLETE PRACTICE QUESTIONS AND CORRECT ANSWERS WITH DETAILED EXPLANATIONS COMPREHENSIVE HVAC CONTRACTOR LICENSE EXAM STUDY GUIDE

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2026/2027 Written for academic year
Institution Ferris State University
Course HVAC CONTRACTOR EXM 2026 EDITION | COMPLETE PRACT
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This comprehensive study guide is designed to help candidates prepare for the HVAC Contractor licensing examination with organized practice questions and detailed answer explanations. It covers essential topics including heating systems, ventilation, air conditioning, refrigeration, electrical fundamentals, load calculations, fuel gas systems, duct design, safety regulations, and applicable mechanical codes. The guide also reviews estimating, blueprint reading, troubleshooting, maintenance, and code compliance commonly assessed on contractor licensing exams. It is suitable for HVAC technicians, apprentices, journeymen, and professionals preparing for state HVAC contractor examinations. The 2026 edition serves as a practical self-study resource for strengthening technical knowledge and improving exam readiness. HVAC contractor licensing requirements and exam content vary by state, but many licensing exams include topics such as HVAC systems, electrical, refrigeration, codes, safety, and business knowledge.

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HVAC CONTRACTOR EXAM 2026 EDITION |
COMPLETE PRACTICE QUESTIONS AND
CORRECT ANSWERS WITH DETAILED
EXPLANATIONS COMPREHENSIVE HVAC
CONTRACTOR LICENSE EXAM STUDY
GUIDE



Refer to the electrical schematic drawing section labeled "A" represents


a. The complete unit
b. The power distribution
c. The control circuit

d. The resistive loads - CORRECT ANSWER-The power distribution


Refer to the house 2 drawing. The total glazing for this house is


a. 123
b. 48
c. 133

d. 110 - CORRECT ANSWER-133


Refer to the house 2 drawing. What is the net heat gain on the south facing
windows?

,a. 1155 btuh
b. 945 btuh
c. 1034 btuh

d. 1525 btuh - CORRECT ANSWER-1155 btuh


Refer to the house 2 drawing. The net winter heat loss for the ceiling in
bedroom 1 is? Select the nearest answer.


a. 4224 btuh
b. 547 btuh
c. 687 btuh

d. 422 btuh - CORRECT ANSWER-422 btuh


In general the depth of a swagged copper joint should be approximately
____ of the tube size


a. Length
b. Circumference
c. Diameter

d. Same - CORRECT ANSWER-Diameter


Condensate drain pipe can be made of


a. PVC

, b. Galvanized steel
c. CPVC

d. All of the above - CORRECT ANSWER-All of the above


Refrigerant circuit access ports located outdoors shall be fitted with


a. Service caps
b. Locking type tamper resistant caps
c. Sealant

d. Pipe dope - CORRECT ANSWER-Locking type tamper resistant caps


A condensing appliance shall have a ___ where damage can occur


a. Clean out
b. Auxiliary drain pan
c. Trap

d. Tight connection - CORRECT ANSWER-Auxiliary drain pain


Which of the following refrigerant groups would a technician not be
allowed to solder the joints?


a. A1
b. A2
c. B2

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August 5, 2026
Number of pages
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