A lead refrigeration technician takes the service calls other techs couldn't close: supermarket racks, compressors that keep failing and leaks that come back. They train apprentices on ride-alongs, check other techs' repairs, start up new installs, and back up the on-call tech when a store's freezer goes warm at night.
By the HireBus team · Updated · Pay data: BLS, May 2025
Median pay, HVAC and plumbing contractors · BLS, May 2025
Annual pay: 10th percentile $38,920, middle half $47,790 to $75,510, 90th percentile $93,790. Source: BLS Occupational Employment and Wage Statistics, May 2025.
Reports to
Service Manager
Department
Operations
Schedule
Full time, backup phone on rotation · Days on the hardest calls and ride-alongs, plus a turn as the second call for techs and stores on nights and weekends
Also called
Senior refrigeration technician · Lead service technician · Rack technician · Senior refrigeration mechanic
Lead refrigeration technician job description template
This is our Role Blueprint, word for word. Replace the highlighted fields and adjust the example targets and pay to fit your company.
Refrigeration Install & Service - Lead Refrigeration Technician
Company Name:
[INSERT COMPANY NAME HERE]
Department:
Operations
Reports to:
Service Manager
Location:
[INSERT LOCATION HERE]
1. Position Summary
You'll take the hardest calls in the branch: rack systems, repeat failures, stubborn leaks and new-system startups. You'll back up other technicians by phone and on site, train apprentices, and set the standard for diagnosis and paperwork on every truck.
2. Essential Duties and Responsibilities
Diagnose and repair parallel rack systems: compressors, oil management, suction group pressure settings, rack controllers and condensers.
Take callbacks and repeat failures, find the root cause, and report it to the Service Manager.
Find and repair leaks on large systems, and complete the verification tests and records required under current EPA refrigerant management rules.
Start up new installs with the Field Supervisor: check charge, superheat, defrost cycles and alarms before service takes over.
Train apprentices and newer technicians on ride-alongs, and sign off their skills checks.
Serve as phone backup for technicians on nights and weekends.
3. Key Tasks / Daily Activities
Run the toughest service calls on the board.
Answer calls from technicians stuck on a diagnosis.
Review other technicians' leak checks and refrigerant records when the Service Manager asks.
Coach an apprentice through brazing, evacuation or electrical troubleshooting.
Write up findings and replacement recommendations for the customer quote.
4. Key Performance Indicators (KPIs)
Escalated calls fixed on the first visit: [your target].
Startups finished without a warranty callback: [your target].
5. Required Qualifications and Skills
[7+] years of commercial refrigeration service, including rack systems.
EPA Section 608 Universal certification, or Type II if that covers all the equipment you'll work on.
Strong electrical troubleshooting on single-phase and three-phase equipment, controls and wiring diagrams.
Expert with superheat, subcooling, electronic controllers, and electric, hot gas and off-cycle defrost.
Any refrigeration or mechanical license your state or city requires.
6. Preferred Experience
Training and field experience on transcritical carbon dioxide systems.
Manufacturer training on [the rack controllers or equipment lines you service].
Experience training apprentices.
OSHA 10 training.
7. Physical Requirements
Lift and carry tools, recovery machines and cylinders up to [50] pounds.
Climb ladders and roof hatches, and work on rooftops in all weather.
Work in walk-in freezers and tight machine rooms.
With or without reasonable accommodation.
8. Work Environment and Schedule
Field-based across [your service area], driving a company truck.
On-call rotation and phone backup for other technicians: [schedule].
Hot rooftops in summer, freezers year-round, and kitchens during service hours.
9. Compensation and Benefits
Pay: [range and hourly or salary basis].
Additional pay: [overtime, bonus or incentive terms, or none].
Benefits: [health, dental, vision, retirement, paid time off, and when they start].
10. Company Culture and Overview
[Two or three sentences on what your company does, the area you serve, and the support a new lead refrigeration technician gets in the first 90 days.]
11. How to Apply
[Apply link or email]. Our process: [phone interview, in-person interview, and next steps]. Contact [hiring contact] if you need an accommodation during the application process.
Need help filling this role? HireBus posts the ad, Iris interviews every applicant by phone before you do, and you decide who to hire. Start hiring now
Most days a lead is still on a truck. The difference is the mix: rack failures, repeat breakdowns, startups, and an apprentice in the passenger seat.
Rack calls land on the lead
One supermarket rack feeds a store's cases and walk-ins from a shared group of compressors, so a single fault can warm whole aisles. The lead works it as one system: the rack controller's alarm history, suction group pressure settings, oil levels, the condenser and the defrost schedule. Have the lead teach newer techs to start at the rack before they chase one warm case at a time.
A second compressor failure means a missed cause
Copeland, a major compressor maker, says most repeat failures come from problems other than a defect in the compressor. So before a second one goes in, have the lead find what killed the first. Check the system first: liquid reaching the compressor, oil that isn't coming back, and high discharge temperature. If Copeland's teardown finds no defect in a returned compressor, it sends an inspection letter to the wholesaler. Ask the wholesaler for it and have the lead read it. Source: Copeland: Authorized wholesaler counter guide, warranty and repeat failures (rev. 5/25).
Each leak repair gets checked twice
Under 40 CFR 84.106, each repaired leak on a covered HFC system gets two verification tests. The first shows the repair held, and it comes before any refrigerant goes back in. The follow-up comes within 10 days of a passing first test. If the system or the repaired section was evacuated, the 10 days start once it's back to normal running conditions. The tech who runs each test owes the owner a written record of it, so the lead checks both made it onto the ticket. Source: eCFR: 40 CFR 84.106, HFC leak repair and verification tests.
The second line on the night phone
When a walk-in freezer or a line of cases alarms at night, the on-call tech goes first and calls the lead when stuck. If your accounts allow remote access, the lead can log in to the rack or case controller to read the alarms and temperatures. Then they decide whether to talk the tech through it, send a second tech, or drive out. That choice decides how long the store's product sits warm.
Apprentices learn on the lead's truck
The template has the lead train apprentices on ride-alongs and sign off their skills checks. Set a clear bar for a sign-off, such as a full evacuation or a brazed joint that holds pressure, done with no coaching from the lead. If your program is registered, its written standards must state a ratio of apprentices to journeyworkers and how it applies on the job. Check it before you give the lead another apprentice. Source: 29 CFR 29.5: Standards of registered apprenticeship programs (Cornell LII).
How much lead refrigeration technicians make
The closest BLS group for lead refrigeration technicians is heating, air conditioning, and refrigeration mechanics and installers. Heating, air conditioning, and refrigeration mechanics and installers who work for plumbing, heating, and air-conditioning contractors earned a median of $28.86 an hour ($60,030 a year) in May 2025, according to the Bureau of Labor Statistics. That’s about the same as the $61,010 median for heating, air conditioning, and refrigeration mechanics and installers in all industries. About 297,290 of the 409,670 heating, air conditioning, and refrigeration mechanics and installers in that survey work for HVAC and plumbing contractors.
Pay the lead hourly with overtime, at a rate above your senior techs, and add a flat amount for each backup-phone week. Any bonus should follow work only the lead does, such as repeat failures that stay fixed through a season. The BLS figures cover every HVAC and refrigeration mechanic, not leads alone, so expect to pay toward the upper part of the range.
HVAC and plumbing contractors
$60,030$60,030 median Middle half $47,790–$75,510 10th–90th $38,920–$93,790
All industries
$61,010$61,010 median Middle half $48,360–$77,060 10th–90th $40,050–$95,210
$30k$40k$50k$60k$70k$80k$90k$100k$110k
10th–90th percentileMiddle halfMedianAnnual pay, May 2025. Source: BLS Occupational Employment and Wage Statistics.
Annual pay by percentile
Group
10th
25th
Median
75th
90th
HVAC and plumbing contractors
$38,920
$47,790
$60,030
$75,510
$93,790
All industries
$40,050
$48,360
$61,010
$77,060
$95,210
BLS doesn’t publish pay for refrigeration contractors on their own. These figures cover plumbing, heating and air-conditioning contractors, which include them. Post a real range for your market in the ad.
Skills to hire for, and what you can teach
Hire for these
Diagnoses racks, condensing units, case controllers and defrost faults from readings and alarm history
Troubleshoots single-phase and three-phase motors, contactors and control wiring from diagrams
Walks a stuck tech through a diagnosis by phone without taking the wrench away
Writes findings the office can turn into a replacement quote
Keeps a store or kitchen manager informed during an outage
Carries Universal or Type II Section 608 certification, per the template
Teach these on the job
The rack and case controller brands your accounts run, and their remote access
Your apprentice skills checklist and sign-off steps
How the service manager wants callbacks written up
Your startup checklist and handoff from install to service
Your quote format for replacement recommendations
On top of a tech's gauges, probes and leak detector, a lead needs a laptop or tablet set up for remote access to rack controllers, plus a megohmmeter for testing compressor windings. In the ad, list the rack controller brands and the kinds of stores and kitchens you service, and say whether the lead gets a take-home truck.
Lead refrigeration technician interview questions
Two of the 6 questions we'd ask, and what a strong answer sounds like. Ask every candidate the same questions, and rate each answer on your own before you compare notes.
Situational · Startup sign-off
The install crew wants you to sign off startup tonight, but the pressure test and micron records are missing. What do you do?
A strong answer: Won't sign off without the records, asks for them or re-verifies, and explains the risk to the crew and Service Manager.
Behavioral · Root cause on repeat failures
Tell me about a repeat failure other technicians couldn't fix and you did, like a case that kept icing or a rack that kept tripping.
A strong answer: Explains the history, how they approached it differently, the root cause, and how they confirmed it stayed fixed.
The template leaves each target blank. A lead's numbers swing with how hard the escalations are, so compare a lead with their own past quarters, not with the techs.
Escalated calls fixed on the first visit
Count the calls dispatch handed the lead after another tech couldn't close them, and how many ended without a return trip. Report these on their own line, not mixed with the lead's routine calls.
Repeat failures resolved
Equipment on your repeat list that the lead worked on and that stayed fixed through the review window you choose. Note the root cause the lead found for each.
Apprentice skills checks completed
Skills signed off against each apprentice's plan, from the training log. A skill that stalls for months tells you where the lead should ride next.
Startups finished without a warranty callback
New installs the lead started up that needed no warranty return in their first season running. Write down what each return traced to, so the install crew sees it.
How is a lead refrigeration technician different from the field supervisor?
In this template the field supervisor runs the install crews. The lead works on the service side, taking escalations and training techs. The two meet at startup: the lead checks charge, superheat, defrost and alarms with the supervisor, then service takes the system over. The lead coaches technicians, but the service manager manages them.
How much does a lead refrigeration technician make?
Heating, air conditioning, and refrigeration mechanics and installers who work for plumbing, heating, and air-conditioning contractors earned a median of $28.86 an hour ($60,030 a year) in May 2025, according to the Bureau of Labor Statistics. The middle half earned between $47,790 and $75,510 a year. Pay also depends on your local market, experience and overtime.
How should a lead check other technicians' work?
Pick a few closed calls each week and compare the ticket with what the lead finds on a return visit or remote check. Are setpoints back where they belong, alarms switched back on, access caps tight and the refrigerant entry believable for the work done? Go over findings with the tech in private, and look for patterns across the team, not one-off slips.
How can you tell if a candidate has really worked on racks?
Years alone won't show it. Some techs spend a decade on reach-ins and walk-ins and never run a parallel rack. Hand a candidate a rack controller's alarm history, or a set of suction and discharge readings, and ask what they'd check first and why. Then ask how they'd confirm oil return after a compressor change on a rack.
Should a lead refrigeration technician carry the on-call phone?
As backup, yes; as the first call every night, no. A lead who also takes every first call will be worn out for the day's hard calls and ride-alongs. With two or more leads in a branch, rotate the backup week so each lead gets real time off, and say in the ad how often their week comes up.
