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Texas (TX) Class B Air Conditioning and Refrigeration Contractor Exam | Latest Verified Questions and Detailed Answers
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80

August 2026

2026/2027

A+
OVERVIEW DESCRIPTION This Comprehensive set of multiple choice questions is designed for the Texas Class B Air Conditioning and Refrigeration Contractor Exam, an open-book licensing test administered by PSI. The exam evaluates technical knowledge and code compliance for residential and light commercial HVAC/R systems with a cooling capacity up to 25 tons or heating up to 1.5 million BTU/h. The content spans HVAC systems design (Manual J, N, and D), refrigeration principles and componen...
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