Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Online Exam Prep

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HVAC Exam Prep

Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Online Exam Prep

To become a licensed Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited contractor in the District of Columbia, you are required to pass an open-book exam. We offer the books, tabs, and a fully online and inclusive educational course to prepare you to sit for the D.C. Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited contractor exam. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.

What’s Included in Our Courses

Everything you need to pass your exam on the first try.
Comprehensive test-taking tips based on our experiences serving over 350,000 students.
Learning modules covering sitework, footings and foundation, plan reading, estimating and OSHA safety, general code, masonry, carpentry and more.
Highlighting guides and professional instructor support
A detailed syllabus and a copy of the course that includes a notes section.
@HomePrep’s No Pass, No Pay Guarantee. And our proven approach that has resulted in a 99% pass rate for our students.

Our courses are designed to help you become familiar with the references and allow you to find the information quickly as the exams are timed. We offer highlighting guides to draw attention to key points throughout the book and tabs (sold separately) to allow you to find key sections quickly. We encourage you to take the practice exams multiple times as the questions on the test change each time.

Resources for the Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Exam

  • HVAC Exam Prep

    Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Online Exam Prep

    $269.99

    To become a licensed Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor in the District of Columbia, you are required to pass an open-book exam. We offer the books, tabs, and a fully online and inclusive educational course to prepare you to sit for the D.C. Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor exam. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.

    Add to cart
  • HVAC Exam Prep

    Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Online Exam Prep Complete Package

    $590.96

    To become a licensed Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor in the District of Columbia, you are required to pass an open-book exam. We offer the books, tabs, and a fully online and inclusive educational course to prepare you to sit for the D.C. Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor exam. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself. The highlighting guides and quizzes are designed to familiarize students with testing materials. We do not provide students with exact test questions, as the state does not release this information.

    Add to cart
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Requirements To Obtain a D.C. Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor's License

To become a licensed Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited contractor in the District of Columbia, you are required to pass an open-book exam. We offer the books, tabs, and a fully online and inclusive educational course to prepare you to sit for the D.C. Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor exam. @HomePrep is a National Leader in online education. With over 100,000 satisfied students and a course catalog of over 1,000 classes, we are here to help you – Invest in Yourself.

Please view our Application Processing Services to streamline this process.

The Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited exam is an open book 3 1/2 hour exam that requires a 73% score to pass. To use your time efficiently in the exam, it is extremely helpful to prepare in-depth and have your book tabbed and highlighted prior to the exam. Highlighting, tabs and written notes in reference materials in code sections are permitted prior to arriving at the test site.

Washington D.C. Air Conditioning and Refrigeration Mechanical Unlimited Exam Prep online course includes the following:

  • Highlighting Guides
  • Practice Exams
  • Math and Calculations
  • Study Tips
  • Licensing Information
  • Instructor Support

Our courses are designed to help you become familiar with the references and allow you to find the information quickly as the exams are timed. We offer highlighting guides to draw attention to key points throughout the book and tabs (sold separately) to allow you to find key sections quickly. We encourage you to take the practice exams multiple times as the questions on the test change each time.

Number of Questions 80
Exam Time 3 1/2 Hours
Total Cost $52
Open Book Allowed Yes

Below are the content areas covered and their percentage on the test.

Theory, System Types, Terminology, and General Requirements – 30%
Refrigerant and Condensate Piping – 12%
Evaporators, Compressors, Condensers, Chillers, Cooling Towers, Heat Pumps, Heating and AC Appliances – 15%
Conditioned Air, Supply, Return, Makeup, Combustion Air, Air Ducts, Dampers, and Insulation – 7%
Electrical Fundamentals and Controls – 9%
Refrigerants – 10%
Operating Procedures, including Safety – 9%
Maintenance and Repairs – 8%
Total – 100%

Washington D.C. Refrigeration and Air Conditioning Mechanical Limited Exam Prep Complete Package includes the following:

  • Washington D.C. Master Refrigeration and Air Conditioning Mechanic Limited Exam
  • 2012 International Mechanical Code
  • 2012 International Mechanical Code Tabs
  • Modern Refrigeration and Air Conditioning, 21st Edition
  • Modern Refrigeration 21st ed Tabs

Related Books and Materials for This Course

The Washington D.C. Journeyman or Master Air Conditioning and Refrigeration Mechanical Unlimited Contractor exam is open book, and you are allowed to bring tabbed, highlighted references into the exam. To get the most out of our course, we also advise having a copy of the following materials:

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