# 313D - Residential Air Conditioning Systems Mechanic Certification — Practice Test Geeks
# https://practicetestgeeks.com/llms/313d-residential-air-conditioning-systems-mechanic-certification.txt
# Updated: 2026-06-03

> Free 313D - Residential Air Conditioning Systems Mechanic Certification practice tests and study guides. Pass your 313D (Residential Air Conditioning exam on the first attempt. Practice questions with detailed answer explanations, hints, and instant scoring. Language: English. Region: US.

## Overview

- **Category**: 313D - Residential Air Conditioning Systems Mechanic Certification
- **Main page**: https://practicetestgeeks.com/313d-test
- **Language**: English | **Region**: US
- **Practice tests**: 25 tests, 175 questions total
- **Exam simulation**: Full-length 150-question timed exam (240 min, 70% pass mark)
- **Study guides / articles**: 5 published

## Exam Simulations (Full-Length, Timed, Scored)

Simulates real exam conditions: question count, time limit, passing score, domain weighting.

- [313D Residential Air Conditioning Systems Mechanic](https://practicetestgeeks.com/313d/exam) — 150 questions, 240 min, 70% pass
  The 313D Residential Air Conditioning Systems Mechanic Certificate of Qualification exam, administered by Skilled Trades Ontario, validates competency

## Practice Tests (25 available)

- [313D Electrical Schematics and Controls 4](https://practicetestgeeks.com/313d/questions/electrical-schematics-and-controls-4) (7 questions)
- [313D Electrical Components and Wiring 5](https://practicetestgeeks.com/313d/questions/electrical-components-and-wiring-5) (7 questions)
- [313D Electrical Systems and Controls 5](https://practicetestgeeks.com/313d/questions/electrical-systems-and-controls-5) (7 questions)
- [313D Fundamentals of Air Conditioning Systems 4](https://practicetestgeeks.com/313d/questions/fundamentals-of-air-conditioning-systems-4) (7 questions)
- [313D Fundamentals of Air Conditioning Systems 5](https://practicetestgeeks.com/313d/questions/fundamentals-of-air-conditioning-systems-5) (7 questions)
- [313D Electrical Schematics and Controls 5](https://practicetestgeeks.com/313d/questions/electrical-schematics-and-controls-5) (7 questions)
- [313D Load Calculation and Blueprints 5](https://practicetestgeeks.com/313d/questions/load-calculation-and-blueprints-5) (7 questions)
- [313D Regulations, Codes, and Safety Standards 5](https://practicetestgeeks.com/313d/questions/regulations-codes-and-safety-standards-5) (7 questions)
- [313D System Installation and Brazing 4](https://practicetestgeeks.com/313d/questions/system-installation-and-brazing-4) (7 questions)
- [313D System Installation and Brazing 5](https://practicetestgeeks.com/313d/questions/system-installation-and-brazing-5) (7 questions)
- [313D System Installation and Startup 4](https://practicetestgeeks.com/313d/questions/system-installation-and-startup-4) (7 questions)
- [313D System Installation and Startup 5](https://practicetestgeeks.com/313d/questions/system-installation-and-startup-5) (7 questions)
- [313D Troubleshooting and System Diagnosis 5](https://practicetestgeeks.com/313d/questions/troubleshooting-and-system-diagnosis-5) (7 questions)
- [313D Load Calculation and Blueprints 4](https://practicetestgeeks.com/313d/questions/load-calculation-and-blueprints-4) (7 questions)
- [313D Psychrometrics and Humidity Control 3](https://practicetestgeeks.com/313d/questions/psychrometrics-and-humidity-control-3) (7 questions)
- [313D Psychrometrics and Humidity Control 2](https://practicetestgeeks.com/313d/questions/psychrometrics-and-humidity-control-2) (7 questions)
- [313D Psychrometrics and Humidity Control 1](https://practicetestgeeks.com/313d/questions/psychrometrics-and-humidity-control) (7 questions)
- [313D Electrical Systems and Controls 2](https://practicetestgeeks.com/313d/questions/electrical-systems-and-controls-2) (7 questions)
- [313D Electrical Systems and Controls 3](https://practicetestgeeks.com/313d/questions/electrical-systems-and-controls-3) (7 questions)
- [313D Electrical Systems and Controls 4](https://practicetestgeeks.com/313d/questions/electrical-systems-and-controls-4) (7 questions)
- [313D Electrical Schematics and Controls 2](https://practicetestgeeks.com/313d/questions/electrical-schematics-and-controls-2) (7 questions)
- [313D Electrical Schematics and Controls 3](https://practicetestgeeks.com/313d/questions/electrical-schematics-and-controls-3) (7 questions)
- [313D Troubleshooting and System Diagnosis 2](https://practicetestgeeks.com/313d/questions/troubleshooting-and-system-diagnosis-2) (7 questions)
- [313D Troubleshooting and System Diagnosis 3](https://practicetestgeeks.com/313d/questions/troubleshooting-and-system-diagnosis-3) (7 questions)
- [313D Troubleshooting and System Diagnosis 4](https://practicetestgeeks.com/313d/questions/troubleshooting-and-system-diagnosis-4) (7 questions)

## Articles & Study Guides

- [313D - Residential Air Conditioning Systems Mechanic Certification: Career Paths, Salary, and Requirements 2026](https://practicetestgeeks.com/313d-residential-air-conditioning-systems-mechanic-certification-career-salary-guide)
- [313D (Residential Air Conditioning Systems Mechanic) Test Guide](https://practicetestgeeks.com/313d-test)
- [313D - Residential Air Conditioning Systems Mechanic Certification: Complete Study Guide 2026](https://practicetestgeeks.com/313d-residential-air-conditioning-systems-mechanic-certification-complete-study-guide)

## Reference Pages

- [313D Practice Test PDF (Free Printable 2026)](https://practicetestgeeks.com/313d/313d-practice-test-pdf)
- [313D Practice Test Video Answers](https://practicetestgeeks.com/313d-practice-test-video-answers)

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