Association of Air Conditioning Professionals
Refresher Class: This is a four-hour refresher class for technicians who want to take the Gas Heating specialty test. The refresher class will review the knowledge needed to take the test and will be held prior to the administration of the test. This is a refresher class - not a training process.
Specialty Exam, only: A technician can register to take a specialty exam without sitting through the refresher class. The registration process will prompt for the selection of the specialty exam.
Photo identification is required to enter the test site.
About NATE Certification
North American Technician Excellence, Inc. (NATE) is the leading certification program for technicians in the heating, ventilation, and air-conditioning (HVAC) industry.
NATE is more than a technician certification program. Led by the leading trade associations in the HVAC industry, it is part of a comprehensive industry initiative to:
When a technician is certified in an area, it’s clear they meet a broad, comprehensive set of expectations - not just some standards for one kind of equipment or one model.
Those taking the certification test should have a basic and working knowledge of HVAC equipment, installation and/or service, and prior related theory instruction (at least 240 hours).
The Certification Exams
An HVAC technician must pass the Core Exam and at least one of the Specialty Exams to become a NATE Certified Technician. The Core Exam consists of 50 questions and each Specialty Exam consists of 100 questions.
The Core Exam tests a candidate's general knowledge, construction knowledge, and HVACR-specific knowledge in the areas of: safety, tools, basic construction, using basic science, achieving desired conditions, taking temperature and humidity measurements, and basic electrical.
NATE offers three tracks - Installation, Service and Senior. You must choose one Specialty Exam from the following:
Senior Level Technician Certification
To become a NATE Senior Level Technician, you must hold two  certifications by NATE. Consult the NATE website for complete details.
Directions to Montgomery College - Rockville Campus
The class and specialty exam will be offered at the Rockville Campus of the Montgomery College. Download directions.
Cancellations received five (5) days prior to the class/exam will be charged a $25 cancellation fee. No refunds will be made after that date.
A maximum of 25 technicians are allowed.