Welcome to EMS’s free hvac licensing practice test site. The practice test consists of 152  questions of the type you will be faced with on the actual exam. Although the test is free, unfortunately, the answers are not free. To help with the expense of maintaining this site, we are charging a measly $19.95 for the answers and where we got them. Below is a list of reference books the exam is based on: If you choose not to purchase the answers, you will still get a good idea of what you will be facing on the exam.

There’s an old say’in, “You don’t know, what you don’t know.” This practice test will supply the answer


ICC International Mechanical Code 2021

ICC International Fuel Gas Code 2021

ACCA Manual J, 8th edition

ACCA Manual D

NASCLA Contractor Business and Project Management

Immediately after your purchase has been verified, you will recieve a message on your screen, thanking you for your order, along with a link to access the exam with answers and explanations.

Energy Marketing Service


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