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2025 Edition

HVAC Practice Test

Take this free HVAC practice test to study for your HVAC exam.

HVAC practice tests can be used for professional-growth and to prepare for certification exams. Many states require a license to work as an HVAC tech. Even if a state does not require a license, often employers require certification. To work with refrigerants, the EPA requires a Section 608 certification regardless of state requirements.

For comprenhensive coverage of HVAC subjects that will be tested on all HVAC certiciation exams, use our 300 question HVACR Practice Exams.  Our test was developed by HVAC Excellence, the largest provider of certifications (more than 200,000) in the HVACR industry. A 100 question EPA 608 practice test comes with our materials.

Our HVACR Practice Exams provide:
 
  • assessment of broad based HVACR knowledge
  • test prep in the various core specialty areas
  • benefit for self-assessment and professional-growth, as well as for exam preparation
  • use for students in trade-schools studying for course exams and for professional technicians sitting for certification exams
  • a good opportunity for practicing test taking skills and learning the subject matter

Our interactive test platform allows you to simulate the exam. Take as many practice tests as you need. There's no time limit or recurrent charges.

For more information on the HVAC industry and test prep, see our HVAC Study Guide.

For additional free practice, use our HVAC Practice Exam.

 
 

1. Two locations where a cold air return should be installed:
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2. Which of the following is a law of thermodynamics:
3. Sensible heat describes _________________________.
4. Latent heat measures _______________________.
5. Latent heat is measured in ____________________.
6. If 1 pound of water warms to 60 degrees F from 55 degrees F, what btu of latent heat will it have absorbed?
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7. What is the amount of heat energy required to evaporate 1 pound of water?
8. In an air conditioning and refrigeration system, what occurs in an evaporator?
9. In an air conditioning and refrigeration system, what occurs in a condenser?
10. In a sealed system, pressure and temperature _________________.
11. Which of the following is not a type of compressor?
12. In Fahrenheit, the boiling point of water is _____________.
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13. To change Fahrenheit to Celsius, which formula is used?
14. Which of the following is not a method by which heat may be transferred from a warmer substance to a colder substance?
15. What btu of heat is required to raise 1 pound of ice 1 degree F when the temperature is below 32 degrees F?
16. What btu of heat is required to raise 1 pound of steam 1 degree F above the temperature of 212 degrees F?
17. A day-ton of refrigeration is the amount of refrigeration produced by melting 1 ton of ice at a temperature of 32 degrees F in 24 hours.
18. Ice exerts pressure ________________.
19. Pressure is usually measured in ___________.
20. Atmospheric pressure, at sea level, is 14.7 psia.
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21. When one rises into the atmosphere, the atmospheric pressure decreases by 1 psi for every_________________.
22. Vaporization can be increased by _____________ the pressure on a liquid.
23. Every mechanical refrigeration system has __________ different pressure levels.
24. Pressure on the high pressure side of a mechanical refrigeration unit is called _______________.
25. The exertion of pressure on a substance with a constant temperature increases its volume in proportion to the increase in pressure.

HVAC Practice Test

HVAC Excellence

HVAC Practice Test

HVAC Excellence

Quality starts with who wrote the material.
Our practice exam writer
s
:
HVAC Excellence
part of the Esco Group, is a standards organization and leading authority on certification in the HVACR industry.

The questions are based on industry standards and offer a comprehensive coverage of the fundamental subject matter found on most HVACR certification exams.

The HVACR Practice Test Kit provides:
  • assessment of broad based HVACR knowledge
  • practice in the various specialty areas
  • a good opportunity for practicing test taking skills and learning the subject matter

Summary of Typical HVACR Certification Exams:

What: HVACR exams are part of the certification process for HVACR technicians which identifies the scope and level of a technician's competency in core and specialty areas.

Who: HVACR professionals who wish to become certified in various HVACR specialties

Where: HVACR certification exams are typically administered at various testing centers, schools and other locations throughout the United States.

When: There are various times throughout the year so check with the exam provider for information.  

Why: Certification programs improve technical competency and safety allowing technicians to demonstrate competency and earn more money.

Type: Multiple choice, in both computer-based and paper/pencil formats.

Time: Time varies. The average time is 2 hours.

Language: English
 
Cost: Depending on the subject and organization, it typically costs between $25 - $150 per actual certification exam. 
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