Built for individual HVAC technicians and companies

From service call to professional report.

Turn HVAC technician notes and equipment checklists into clear service reports and invoice descriptions—ready to review and copy into your work order.

  • Voice & typed
    field notes
  • Equipment-specific
    checklists
  • Professional
    customer reports

15 free reports. No credit card required.

Your expertise in the field. Clear communication on the page.

NOTES → CHECKLIST → REPORT

LESS TYPING. MORE OF THE VISIT.

Two words.
A checklist.
The whole story.

The note was simply “Furnace maintenance.” The technician’s checklist supplied the work completed and the condition of the system.

2words in the note20checklist selections
TECH GIBBERISHFURNACE MAINTENANCE

ORIGINAL TECH NOTE

Furnace maintenance

FROM THE TECHNICIAN’S CHECKLIST

  • Air filterReplaced
  • Unit vacuumed / wiped outWiped out
  • Flame sensorCleaned
+ 17 additional selections in the full example

THE CUSTOMER REPORT · EXCERPT

Service performed

● Performed furnace maintenance.
● Replaced the air filter.
● Wiped out the furnace.
● Cleaned the flame sensor.

The full report also records the checks marked good.

The workflow

Finish the call.
Tell the whole story.

Keep your HVAC field notes, maintenance checks, and customer report together, from your first observation to the write-up you share.

01

Capture what happened.

Type or dictate your field notes while the details are fresh. Record what you found, what you did, and what you discussed.

02

Add the equipment details.

Work through the relevant checklist. Keep readings, completed work, and items needing attention with the visit.

03

Review. Copy. Move on.

Generate a structured customer report, review it for accuracy, and copy it into your work order.

Follow the complete iPad walkthrough to capture notes, add equipment checklists, and create a Tech Gibberish report.
Actual gas furnace checklist with filter replaced, cabinet vacuumed, flame sensor cleaned, and a 42 percent humidity readingOpen full checklist ↗
Actual app screen · Demonstration details · Checklist excerpt

CAPTURE THE WORK AS YOU GO

Tap the checks.
Add the details.

Choose an equipment checklist, mark what you checked or completed, and add readings where they matter.

Your notes and selections give the report the details of the visit. Review the finished write-up before sharing it.

See what a real checklist became ↑

CHOOSE THE EQUIPMENT. CAPTURE THE DETAILS.

HVAC maintenance checklists
for the call ahead.

Explore all seven available checklists. Select a picture to see the full checklist.

Actual app screens · Blank checklist templates · Pictures show excerpts

Don't see the checklist you need?

We can add more. Tell us what equipment you work on and what you'd like included.

Request a checklist

FOR THE TECHNICIAN WHO TAKES PRIDE IN THE JOB

Make your work
stand out on paper.

Give your boss a clearer picture of the work you do.

Turn your field notes and checklist selections into a clear service description. Review it, then copy it into your company's invoice or work order so your manager and customer can see what you checked, what you fixed, and what comes next.

Start with your own service calls on an individual plan.

Start free trial

15 free reports. No credit card required.

BEFORE

The tech's notes and readings.

Three words in the notes. Twenty checklist selections.

Actual app note: Completed heating maintenance GAS FURNACE CHECKLIST · READING EXCERPT Actual filled checklist showing flame sensor cleaned, igniter resistance 55 ohms, and gas pressure low side 1.3 and high side 3.3 View all notes and 20 selections ↗

The recorded readings stay with the visit: 55 ohms and gas pressure 1.3 / 3.3.

AFTER

The finished service report.

The completed work, system checks, and readings together.

Actual app displaying the saved furnace test report, including equipment, completed maintenance, system checks, 55-ohm igniter reading and 1.3 and 3.3 gas-pressure readings, followed by a thank-you and review invitation; serial number and review link redactedRead the full customer report ↗

Actual app screens showing a saved test example with a sample thank-you closing. Input pictures show excerpts; click to view the full notes and checklist. Equipment serial number and review link redacted.

A BETTER WRITE-UP FOR EVERY INVOICE

Show the work behind the bill.

Give completed repairs and maintenance a clear description your customer can follow.

Make the details easy to review.

Bring the findings, readings, and next steps together for your manager or office team.

Keep customer decisions in the story.

Include the options you discussed and what the customer agreed to, based on your notes.

YOURSELF. YOUR CREW. YOUR NEXT STEP.

One technician
or a whole company.

Use Tech Gibberish for your own service calls, or bring the same clear reporting workflow to your team.

15 free reports per eligible user. No credit card required.

Available to U.S. customers. Start a free trial, then choose a paid subscription separately if you want to keep generating reports. The trial does not automatically become a paid subscription.

Try it on your own service calls. A company trial includes one administrator and one technician, with 15 free reports each. After the trial allowance, a paid account is required to generate more.

1 TECHNICIAN

Individual

For a technician or owner-operator handling their own reports.

$29/ month

One person. The complete reporting workflow.

  • Unlimited reports on a paid plan
  • Voice and typed field notes
  • Equipment checklists and customer reports
  • Review and copy into your work order
Start free trial

2–10 SEATS

Company

For small companies bringing clearer reports to every service call.

$24/ seat / month

2-seat minimum · Administrator included · From $48/month

  • Everything in Individual for each named user
  • Consistent reporting across your team
  • Help planning your team's initial setup
Start free trial

11+ SEATS

Custom

For larger teams or companies with higher reporting volume.

Let's talk

A quote based on your team and usage.

  • Discuss your technician count
  • Plan for your monthly report volume
  • Agree on a rollout that fits your company
Ask for a custom plan

A small team, a simple total. 5 seats: $120/month. 10 seats: $240/month. Include your administrator when counting seats; ask about a custom plan for larger teams.

Prices in USD, billed monthly, plus applicable tax. Paid subscriptions renew monthly until canceled. Start a free trial for yourself or your company. Manage your subscription in Account.

During the trial, each successful generation counts, including a requested regeneration. Failed generations do not count. You can still read and copy existing reports after using your free generations. Choosing a paid plan is a separate step; there is no automatic charge.

Paid plans include unlimited reports for named users, subject to reasonable security and rate controls. Ordinary cancellation keeps paid access through the current paid period. Request a first-payment refund within seven days; an approved refund cancels renewal and ends paid report generation.

A FEW THINGS TO KNOW

Before your
first report.

How it works, what the free trial includes, and where your report goes next.

See the real report examples
Can I use Tech Gibberish on my own or with my company?

Both. Tech Gibberish is built for individual HVAC technicians and companies. Use it for your own service calls, bring it to a team of 2–10 named users, including the administrator, or ask about a custom plan for a larger company.

How does the free trial work?

Each eligible user gets 15 free report generations to try on real service calls. A company trial includes one administrator and one technician, with 15 reports each. No credit card is required. This is a one-time allowance, not a monthly refill. After those 15 generations, a paid account is required to generate more reports.

What counts as a report generation?

Each successfully generated report counts once. If you ask the app to generate it again, that counts as another generation. Failed generations do not count. Reading or copying an existing report does not use your allowance.

What happens after I use my 15 free generations?

You can still read and copy your existing reports. To generate another report, you will need a paid account. You choose whether to continue; there is no automatic charge.

Do I need to write a long technician note?

A short note can be enough when your checklist records the work and findings. You can type or dictate notes, then add the relevant checklist selections and readings. Include unusual findings, customer decisions, and next steps so the report has the details it needs.

Can I use the report as an HVAC invoice description?

Yes. Generate the service report, review it for accuracy, and copy the text into the description or notes field of your invoice or work order. Tech Gibberish prepares the write-up; your existing software handles prices and billing. You stay in control of what you share with the customer.

Should I review the report before sharing it?

Yes. Tech Gibberish uses AI to turn your notes and checklist selections into a clear report. Check that it accurately reflects the visit, including the equipment details, readings, work completed, and customer decisions. Correct anything that needs attention before sharing it.

How do I get started or ask a question?

Email info@tech-gibberish.com for help, or create an account to start your free trial. The trial includes one administrator and one technician. See our Terms, Privacy Notice, and Refund and Cancellation Policy.

FOR YOU OR YOUR COMPANY

Try it on your
next service call.

15 free reports. No credit card required.

Start a free trial for yourself or your team. The company trial includes one administrator and one technician, with 15 free reports each. Choose a paid account separately to generate more after the trial.

Start free trial

Verify your email, then choose Individual or Company to create your account. No credit card is required for the trial.

Please avoid including customer or job details in a support email. Read the customer app Privacy Notice.

Already have access? Sign in to the app →

HVAC DOCUMENTATION RESOURCES

Clearer records start
with real examples.

Compare field notes, recorded checklist selections and service narratives. Keep the facts of each visit in view.

REAL SERVICE VISIT

Furnace maintenance — filter replacement and flame-sensor cleaning

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Furnace maintenance

Checklist selections

  • Air filterReplaced
  • Thermostat operationGood
  • Installation conditionGood
  • Unit vacuumed / wiped outWiped out
  • Burners cleaned / inspectedGood
  • Flame sensorCleaned
  • Igniter / ignition systemGood
  • Ignition sequence / shutdownGood
  • Inducer motorGood
  • Pressure switch / tubingGood
  • Gas valveGood
  • Inlet / manifold gas pressureGood
  • Combustion analysisGood
  • Heat exchangerGood
  • Blower compartment / airflowGood
  • Electrical connectionsGood
  • Rollout / high-limit safetiesGood
  • High-efficiency condensate drain / trapGood
  • Venting / flue / draftGood
  • Carbon monoxide readingGood

Actual customer report

Equipment

Gas furnace.

Service performed

Performed furnace maintenance.

Replaced the air filter.

Wiped out the furnace.

Cleaned the flame sensor.

What is working properly

Thermostat operation and installation condition were checked with no concerns noted.

Burners, igniter / ignition system, and ignition sequence / shutdown were checked with no concerns noted.

Inducer motor and pressure switch / tubing were checked with no concerns noted.

Gas valve and inlet / manifold gas pressure were checked with no concerns noted.

Combustion analysis, heat exchanger, and carbon monoxide reading were checked with no concerns noted.

Blower compartment / airflow and electrical connections were checked with no concerns noted.

Rollout / high-limit safeties and venting / flue / draft were checked with no concerns noted.

High-efficiency condensate drain / trap was checked with no concerns noted.

Thank you for trusting me, Tyler, with your furnace maintenance today. I want you to feel comfortable with the work completed, so please feel free to ask any questions. If you’d like to share your experience, I’d appreciate a Google review.

XXX

REAL SERVICE VISIT

Furnace maintenance — routine checks and cleaning

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Furnace maintenance

Checklist selections

  • Air filterGood
  • Thermostat operationGood
  • Installation conditionGood
  • Humidity readingGood
  • Unit vacuumed / wiped outWiped out
  • Burners cleaned / inspectedGood
  • Flame sensorCleaned
  • Igniter / ignition systemGood
  • Ignition sequence / shutdownGood
  • Inducer motorGood
  • Pressure switch / tubingGood
  • Gas valveGood
  • Inlet / manifold gas pressureGood
  • Combustion analysisGood
  • Heat exchangerGood
  • Blower compartment / airflowGood
  • Electrical connectionsGood
  • Rollout / high-limit safetiesGood
  • High-efficiency condensate drain / trapGood
  • Venting / flue / draftGood
  • Carbon monoxide readingGood

Actual customer report

Equipment

Gas furnace.

Service performed

Performed furnace maintenance and wiped out the furnace.

Cleaned the flame sensor.

What is working properly

Air filter, thermostat operation, installation condition, and humidity check showed no concerns.

Burner cleaning/inspection, igniter/ignition system, and ignition sequence/shutdown checks showed no concerns.

Inducer motor, pressure switch/tubing, and gas valve checks showed no concerns.

Inlet/manifold gas pressure and combustion analysis checks showed no concerns.

Heat exchanger, rollout/high-limit safeties, venting/flue/draft, and carbon monoxide checks showed no concerns.

Blower compartment/airflow and electrical connection checks showed no concerns.

High-efficiency condensate drain/trap check showed no concerns.

Thank you for trusting me with your furnace maintenance. I’m Tyler, and I want you to feel comfortable with the work and checks completed today. If you’d like to share your experience, I’d appreciate a Google review.

XXX

REAL SERVICE VISIT

Two heat pumps — maintenance checkup

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Reason for Visit: maintenance check up System: Split-system heat pump: Mitsubishi Electric model MXZ-4D30NL, serial XXX. Equipment type: split-system heat pump; Manufacture date: 2025.11; Estimated age: 1 years.; Split-system heat pump: Mitsubishi Electric model MXZ-2D20NL, serial XXX. Equipment type: split-system heat pump; Manufacture date: 2025.03; Estimated age: 1 years.

Checklist selections

  • Air filterCleaned
  • Electrical disconnectsGood
  • Electrical connectionsGood
  • Voltage / amperageGood
  • Wiring conditionGood
  • Condensate drain / pan / trapCleaned
  • Supply / return temperature splitGood

Actual customer report

Equipment

Mitsubishi Electric split-system heat pump, model MXZ-4D30NL, serial XXX. Manufacture date: 2025.11. Estimated age: 1 year.

Mitsubishi Electric split-system heat pump, model MXZ-2D20NL, serial XXX. Manufacture date: 2025.03. Estimated age: 1 year.

Reason for visit

Maintenance checkup.

Service performed

Cleaned the air filter.

Cleaned the condensate drain, pan, and trap.

What is working properly

Electrical disconnects, electrical connections, and wiring condition were checked with no concerns noted.

Voltage and amperage were checked with no concerns noted.

Supply/return temperature split was checked with no concerns noted.

I appreciate your trust in me for this heat pump maintenance visit. I want you to feel comfortable with today's work, so please call me, Jimmy, at XXX with any questions. If you'd like to share your experience, I'd appreciate a Google review.

XXX

REAL SERVICE VISIT

Condensation & ceiling water marks

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Upon arrival, found that ceiling tiles had water marking. Customer was concerned with water markings on ceiling as well as registers. Register in kitchen was sweating excessively compared to the others. Assessed the drain of both units, verified no leaks, no blockages in the traps or line, and verified correct flow of water from the drain. Did find that the ductwork equipment, duct runs, are sweating due to a difference in temperature between conditioned space and space above drop ceiling. The relative humidity is about 10% greater up in the ceiling versus down in the conditioned space. Customer has been keeping temperature for this area at 66 to 68 degrees compared to the rest of the building, which are all different temperatures as well. Advised customer to keep the thermostats all at 70 degrees to prevent sweating due to the major temperature swings in the building. Also notated to the customer that they do have mass amounts of standing water in basement below the space they are concerned about and would highly advise in the future to look into a whole system dehumidification system for the building. Customer is going to try and leave the temperature at 70 degrees over the weekend and let us know how the situation works out by the following Monday.

Actual customer report

Customer concern

Water markings on the ceiling and registers.

Service performed

Checked the drains on both units. Verified no leaks, no blockages in the traps or drain lines, and correct water flow.

Assessed sweating at the duct runs and registers and compared conditions above the drop ceiling with those in the conditioned space.

What needs attention

Ceiling tiles had water markings, and the kitchen register was sweating excessively compared with the other registers.

Duct runs were sweating due to the temperature difference between the conditioned space and the space above the drop ceiling.

A large amount of standing water was present in the basement below the affected area.

Readings and system status

Relative humidity above the drop ceiling was approximately 10% greater than in the conditioned space.

The customer has been keeping the affected area at 66–68 degrees, while other areas of the building are set to different temperatures.

Recommended next steps

Keep all thermostats at 70 degrees, as advised during the visit. More consistent settings may help reduce temperature differences and sweating on the ductwork and registers.

Strongly consider a whole-building dehumidification system in the future, as advised in light of the humidity difference and standing water below the affected space. Dehumidification can help manage indoor humidity and may reduce condensation; it does not remove standing water.

Customer communication

The customer plans to try the 70-degree setting over the weekend and let us know how the situation is working out by the following Monday.

Thank you for trusting me to investigate the ceiling water markings and sweating registers. I’m Evan, and I want you to feel comfortable with what I found and the temperature-setting trial. Please call XXX with any questions. If you’d like to share your experience, I’d appreciate a Google review.

XXX

REAL SERVICE VISIT

An intermittent buzzing noise

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Upon arrival, customer stated that they had a concern of a loud buzzing noise that they could hear throughout the house, especially in the bedroom, which is below the attic unit, which is unit number 3. Did a walk-through of the house with video proof of no buzzing noise once starting up for the first call for cooling. Went up and inspected inducer motor, blower motor, filter, made sure all dampers were open. Also checked attic vent fan and took video recording of that as well to document any possible noise. Cycled the system up to 3 times, did not find any noises at this given time. Also verified that the liquid line solenoid valve was not buzzing on or off. Showed customer my videos and findings. Did not hear any noises at given time in the video, agreed by customer. Advised customer due to not being able to find the noise at this time, that if it does reoccur, please take video documentation with your phone and send it over to me personally via text message or email so we can finally resolve this problem if it happens to do with the HVAC system.

Actual customer report

Equipment

Attic HVAC unit No. 3, located above the bedroom.

Customer concern

You reported a loud buzzing noise heard throughout the house, especially in the bedroom below the attic unit.

Service performed

Walked through the house during the first call for cooling and recorded video documenting that no buzzing was heard at startup.

Inspected the inducer motor, blower motor, and filter, and confirmed all dampers were open.

Checked the attic vent fan and recorded video to document any possible noise.

Cycled the system up to three times without reproducing the reported noise.

Verified that the liquid line solenoid valve was not buzzing in either the on or off state.

Customer communication

Reviewed the videos and findings with you. You agreed that no noise was audible in the recordings at that time.

The source of the reported buzzing could not be identified during this visit; whether it is related to the HVAC system remains unconfirmed.

Recommended next steps

If the buzzing returns, record it with your phone and send the video directly to me by text or email. Capturing the noise when it occurs may help identify its source and determine whether it is HVAC-related.

Thank you for trusting me to investigate the buzzing near your bedroom. Although I couldn’t reproduce it today, I want you to feel comfortable with what I checked and the findings we reviewed. If you have questions, call me, Evan, at XXX. If you’d like to share your experience, I’d appreciate a Google review.

XXX

REAL SERVICE VISIT

A blank thermostat & a coil leak

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Customer stated that thermostat was blank and was not reading and had tried changing the batteries. Upon arrival, adjusted batteries, screen came on the thermostat, turned on system and cycled, verified system had a clean filter, verified blower, which has slight dirt on the blower motor and wheel, and would consider a blower wheel and motor pull and clean. Also noticed going outside, found a lot of the coil was surrounded by overgrowth of plants. Pulled away from unit, checked capacitor, condenser fan motor, and compressor. Electrically, the system is running correctly. Checked pressures, found high superheat and low subcooling. Continued inside and pulled evaporator coil door to inspect evaporator. Found evaporator was clean, but did notice some oil residue down on the lower loops on the right side, indicating a leak on the evaporator coil. Customer agreed to having new thermostat put on due to the loose connections on the thermostat backplate. Highly recommend swapping out evaporator coil due to the small leak found during the visit.

Actual customer report

Customer concern

The thermostat screen was blank and not displaying a reading. You had already tried changing the batteries.

Service performed

Adjusted the thermostat batteries, restoring the display, then turned on and cycled the system.

Verified the filter was clean and inspected the blower motor and wheel.

Pulled plant overgrowth away from the outdoor unit.

Checked the capacitor, condenser fan motor, compressor, and refrigerant pressures.

Opened the evaporator coil compartment and inspected the coil.

What needs attention

The thermostat backplate has loose connections. You agreed to a new thermostat; installation was not documented during this visit.

The blower motor and wheel have slight dirt buildup.

Oil residue on the evaporator coil’s lower right-side loops indicated a small coil leak, although the coil itself was clean.

What is working properly

The thermostat display came on after the battery adjustment, and the system cycled.

The air filter and evaporator coil were clean.

The system was running correctly electrically following checks of the capacitor, condenser fan motor, and compressor.

Readings and system status

Refrigerant checks showed high superheat and low subcooling.

Recommended next steps

Replace the thermostat as agreed to address the loose backplate connections. This can help support reliable thermostat operation.

Consider removing and cleaning the blower motor and wheel to address the documented dirt buildup. Cleaning can help support airflow and efficiency.

Evaporator coil replacement is strongly recommended because of the small leak found during this visit. Replacing the leaking coil can help restore refrigerant containment and support reliable cooling.

Thank you for trusting me with your thermostat concern and system check. I want you to feel comfortable with what I found and the recommended work. If you have questions, please call me, Evan, at XXX. If you’d like to share feedback about my visit, I’d appreciate a Google review.

XXX

REAL SERVICE VISIT

Getting the AC cooling again

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

Customer called for AC not cooling. Advising when he went outside to take a look at the outdoor unit the fan was spinning with the compressor was not running. He said compressor tried to start and makes a loud whining noise. Upon inspection, confirm that compressor did not start with call for cooling. Checked capacitor on system 40/5 capacitor reading 39.1 on the compressor side. Capacitor checks in range. Checked compressor windings to see if compressor itself was grounded. Compressor windings are good. Compressor is not grounded. Installed Hard start kit, fired up unit and compressor now fires with hard start kit. Verify cooling the attempt split, temperature split 16°. System is cooling.

Actual customer report

Customer concern

AC was not cooling. You reported that the outdoor fan was spinning, but the compressor was not running and made a loud whining noise when trying to start.

Service performed

Confirmed that the compressor did not start with a call for cooling.

Checked the capacitor and compressor windings.

Installed a hard start kit. The compressor then started, and cooling operation was verified.

What is working properly

The capacitor checked within range.

The compressor windings checked good, and the compressor was not grounded.

Readings and system status

Capacitor rating: 40/5. Compressor-side reading: 39.1.

Temperature split after installing the hard start kit: 16°.

The system was cooling at the end of the visit.

Thank you for trusting me to get your AC cooling again. I’m Joseph, and I want you to feel comfortable with the work completed today. If you’d like to share your experience, a Google review is always appreciated.

XXX

REAL SERVICE VISIT

Frozen coils & an airflow adjustment

Phone numbers, serial numbers and review links are redacted. Technician first names only.

Original technician notes

System: Furnace: Bryant model 800SB36070M17, serial XXX. Equipment type: furnace; Manufacture date: AUG 2023; Estimated age: 3 years.; Evaporator coil: CAC/BDP model CVPVA3617XMCEAA, serial XXX. Equipment type: evaporator coil; Manufacture date: JUL 2023; Estimated age: 3 years.; Air conditioner: Model 114SAN030-A, serial XXX. Equipment type: air conditioner; Manufacture date: APR 2023; Estimated age: 3 years. Reason for Visit: coils are freezing up Customer stated that he knows that there’s a lot of water and the coils were frozen. He changed the filter last week hooked on my gauges and tested cooling cycle and pressure rings are good. Airflow was good. Pumped up the blower speed for cooling a little bit from 15 to 17 speed. Customer now just see how unit runs for now. Unit is currently operating offered yearly maintenance to customer. Customer decline.

Actual customer report

Equipment

Bryant furnace: model 800SB36070M17, serial XXX; manufactured August 2023; estimated age 3 years.

CAC/BDP evaporator coil: model CVPVA3617XMCEAA, serial XXX; manufactured July 2023; estimated age 3 years.

Air conditioner: model 114SAN030-A, serial XXX; manufactured April 2023; estimated age 3 years.

Customer concern

Customer reported a lot of water and frozen coils.

Customer stated that he changed the filter last week.

Service performed

Connected gauges and tested the cooling cycle.

Increased the cooling blower speed setting from 15 to 17.

Readings and system status

Cooling pressure checks were good.

Airflow was good.

The unit was operating at the time of service.

Customer communication

Customer chose to monitor how the unit runs for now.

Offered yearly maintenance; customer declined.

Thank you for trusting me to check the frozen-coil concern and adjust the cooling blower speed. I want you to feel comfortable with how the unit is running as you monitor it. If you have questions, please call me, Jimmy, at XXX. If you'd like to share your experience, a Google review is always appreciated.

XXX