Advanced AC & Heat Pump Diag.
Learn advanced diagnostic skills for today’s AC & Heat Pump systems.
Ready to get started?
Course Description
Is there such a thing as advanced air conditioner and heat pump servicing, beyond the basics? What if charging conditions are less than optimal? What is “non-invasive” testing? In this one-day class, techs learn advanced diagnostic skills for today’s AC & Heat Pump Systems.
What you'll learn
- Measurements: Learn to use superheat and subcooling as service tools, measure BTU output and diagnose non-condensables in the system.
- Cold Weather: Master the secrets of charging when it’s cold outside, and installing and operating high and low ambient controls.
- Controls: Understand thermal and economic balancepoint, defrost controls and using schematics for troubleshooting.
Course Overview
Sample Syllabus- Review of the refrigeration cycle
- Components of the refrigeration cycle and how they work
- Evaporator
- Compressor
- Condenser
- Metering device
- Determining system metering device type
- Proper refrigerant charging techniques
- Superheat
- Sub cooling
- Approach
- Making adjustments to improperly charged system
- Cold weather charging
- Refrigeration system troubleshooting
- TXV operation and troubleshooting
- Heat pump operation
- Balance point
- Reversing valve operation and troubleshooting
- Defrost operation and troubleshooting
- Time and temperature defrost board
- Demand defrost boards
- Heating check charts
Ready to take the next step in your career?
Register NowInstructor-Led
Instructor-Led training in a traditional classroom format. This class is delivered at specified locations over the course of an eight-hour training session. This class is eligible for NATE Continuing Education Hours.
To access schedule and registration, please login to your Lennox Pros account.
2024 Program Pricing
(per one-day session)
$650 USD Non-Premier
$520 USD Premier Dealer (20% discount)
Live Streaming
The same content as our in-person Advanced AC & Heat Pump Diag. class, delivered to your home or office computer. In the live streaming class, participants meet online with a live instructor for two-hour class segments, on three consecutive days.
Live Streaming Benefits
- Real-time, live instruction and classroom participation, without travel.
- Focused, in-depth instruction and discussion for three consecutive days.
- Learn new concepts or refresh existing knowledge to enhance on-the-job performance.
- Two-hour morning sessions leave time to run calls for the remainder of the day.
Program Pricing
(per one-day session)
$399 USD Non-Premier
$319 USD Premier Dealer (20% discount)
2023 Course Schedule
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Get NATE credit for your Learning Solutions training hours.
And we’ll send the hours you earn directly to NATE on your behalf.
It’s simple. Register your NATE I.D. with us, make sure you’re logged into your lennoxpros.com page, click here, and follow the instructions on the page.