Example Achievement Log for a HVAC Technician

Skilled Trades

Example Achievement Log for a HVAC Technician

This HVAC Technician's log tracks a full year of service calls, equipment diagnostics, and team collaboration across residential and commercial systems. The entries show how specific problems, a Carrier condenser failure, a difficult commercial retrofit, a training moment with a junior tech, create the detail your review needs.

A year in the life of a HVAC Technician's log

  • Feb - task: Covered all emergency calls for two weeks while Marcus was out. Handled twelve residential callbacks on aging systems, three at midnight. One frozen copper line on Maple Street took two hours to thaw and recharge.
  • Mar - achievement: Diagnosed failed Carrier 25HNH4006A01 condenser fan motor at Morrison Plaza. Pulled compressor oil sample and found acid; replaced motor, capacitor, and filter drier. Unit stable at 12 SEER after service, customer saved $8k on replacement.
  • Apr - feedback: Dispatch supervisor Elena told me, 'You nailed the diagnostics on that Morrison call, that's the kind of thinking that keeps commercial accounts happy.' Sent in email.
  • Apr - task: Lead tech on retrofit of residential ducting in the Westbrook subdivision. Ran new R6 insulated flex duct through crawlspaces for six houses, coordinated with electricians and framers. Pressure test showed zero leakage.
  • Jun - achievement: Completed EPA Section 608 Type 1, Type 2, and Type 3 certification exam. Scored 87 percent. Now qualified to handle any refrigerant class and to sign off on own recovery logs.
  • Jul - task: Trained junior tech Rajesh on split-system install sequence and vacuum pump procedure. First time he pulled a proper deep vacuum on a Lennox unit without overshooting. Left notes on the truck for him to review.
  • Jul - achievement: Retained the Hartley Manufacturing HVAC contract after their facility manager threatened to switch vendors. Diagnosed intermittent compressor short-cycle caused by faulty capacitor bank. Replaced under warranty and cut their service calls by 40 percent.
  • Sep - feedback: Bill Hartley called dispatch and asked specifically for me on future visits. 'That tech got us back up and running fast, and actually explained what was broken,' he told Elena.
  • Oct - task: Worked Thanksgiving week solo route. Handled fourteen callbacks on heat pump systems in cold snap. One Trane unit had low-pressure cutout; found slow refrigerant leak at solder joint and evacuated for repair next day.
  • Oct - achievement: Completed fall maintenance contract series: inspected and cleaned evaporator coils, replaced filters, and checked thermostat calibration on twelve commercial units. Zero callbacks from that batch. Billed 86 labor hours.
  • Dec - task: Troubleshot a tricky residential compressor that cycled on high-pressure limit every three hours. Discovered restricted TXV caused by mineral deposits. Replaced valve and ran new desiccant filter. Owner kept the system instead of replacing.

What makes a strong entry

What most people write: Fixed an air conditioning unit at Morrison Plaza.

What went in the log: Diagnosed failed Carrier 25HNH4006A01 condenser fan motor at Morrison Plaza. Pulled compressor oil sample and found acid; replaced motor, capacitor, and filter drier. Unit stable at 12 SEER after service, customer saved $8k on replacement.

The strong version names the exact model, the root cause found through testing, the parts touched, and the financial outcome, facts that prove judgment and save time when a reviewer asks for detail or a future HVAC Technician audits your decision-making.

What most people write: Helped train a new technician on installations.

What went in the log: Trained junior tech Rajesh on split-system install sequence and vacuum pump procedure. First time he pulled a proper deep vacuum on a Lennox unit without overshooting. Left notes on the truck for him to review.

Naming Rajesh, the specific skill (vacuum protocol), the equipment (Lennox), and the measurable success (no overshoot) shows that the training was hands-on and focused, not vague mentorship, and proves you can transfer knowledge, which matters for promotion or mentorship roles.

How this becomes your review in November

This year I kept systems running and customers confident by combining careful diagnosis with follow-through. The Carrier failure at Morrison Plaza showed what that looks like: pulling oil samples, replacing the motor and capacitor instead of the whole unit, and earning the facility manager's direct request for future calls. I also certified for all three EPA refrigerant classes, which means I can now sign my own recovery logs and take on jobs the team could not before. When I trained Rajesh on deep-vacuum procedure and he nailed his first Lennox install, that shifted the work, he is now handling routine splits, which freed me for the harder diagnostics and commercial accounts that keep revenue up.

Starting your own log

Don't try to reconstruct a year you have already had. Start from today, one line whenever something happens, and let it build. The Perform Review Achievement Log does this for you and can capture wins straight from Slack, and how to start an achievement log covers the wider playbook.

Example Logs for Related Roles

Ready to start your own? Start your Achievement Log free, see how the Perform Review Achievement Log works, or browse performance review phrases for HVAC Technician.