Free rooftop unit quarterly service procedure
Free rooftop unit quarterly service checklist (PDF-ready). Covers compressor condenser economiser belts filters and gas heating section. Download free.
Updated 3 May 2026
Rooftop Unit Quarterly Service Procedure
Preventive maintenance checklist for packaged rooftop HVAC units at quarterly intervals
Filters and Airflow
Condenser Section
Refrigeration Circuit
Economiser
Gas Heating (if fitted)
Electrical and Controls
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- PDF format, ready to print or fill on screen
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Key takeaways
- The MapTrack rooftop unit quarterly service procedure contains 29 checks across 6 sections. Sections covered: Filters and Airflow, Condenser Section, Refrigeration Circuit, Economiser, Gas Heating (if fitted), Electrical and Controls.
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What is a rooftop unit quarterly service procedure?
A rooftop unit quarterly service is a scheduled preventive maintenance procedure for packaged rooftop HVAC units performed every three months. MapTrack helps HVAC contractors manage rooftop unit servicing with digital checklists that technicians complete on-site from any mobile device. The service covers the refrigeration circuit, compressor, condenser coil, evaporator coil, economiser section, filters, belts, gas heating section and controls. A structured quarterly service ensures consistent quality across large portfolios of rooftop units regardless of which technician attends.
Rooftop units are the workhorse of commercial HVAC in Australia, powering offices, retail spaces, warehouses and light industrial buildings. Because they are fully exposed to weather on the roof, quarterly servicing is critical to catch corrosion, condenser fouling and belt wear before they cause comfort complaints or compressor failure. Documented service records also demonstrate compliance with the WHS Act, protect manufacturer warranty coverage and provide the data needed for lifecycle cost analysis and capital replacement planning.
Learn more about maintenance and work orders in MapTrack.
Benefits of using this rooftop unit quarterly service procedure
- Reduced breakdowns: catching condenser fouling belt wear and refrigerant issues quarterly prevents mid-summer compressor failures
- Energy savings: clean condenser coils and correct refrigerant charge reduce compressor energy consumption significantly
- Compliance: documented service records demonstrate the PCBU has met their plant maintenance obligations under the WHS Act
- Consistent quality: a structured procedure ensures every rooftop unit receives the same thorough service regardless of technician
- Extended compressor life: monitoring suction and discharge pressures superheat and subcooling protects the compressor from damage
- Warranty protection: most manufacturers require documented quarterly servicing to maintain warranty coverage on rooftop units
Benefits of digitising forms in MapTrack
When you digitise rooftop unit service procedures in MapTrack, you get:
- Field users can easily scan a QR code to complete a form on mobile. Unlimited users.
- Automatically get alerts when faults are identified.
- Link every form digitally as a PDF to the relevant asset, location or person.
- Receive a digital PDF copy with every submission to your email.
- Ability to share forms digitally.
- Build conditional logic (show or hide questions based on answers).
- Take pictures or attach photos. Not possible with a paper-based form.
- Electronic signatures.
- Edit forms later without reprinting.
- Restrict permissions (who can view, complete or approve).
- Build forms with AI (describe what you need and MapTrack suggests the form).
- Log refrigerant charge weights and leak-check results against each unit.
- Schedule seasonal changeover inspections tied to heating and cooling cycles.
- Track filter, belt and coil replacement intervals per system.
Book a demo to see how MapTrack handles rooftop unit service procedures.
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What to include in a rooftop unit quarterly service procedure
This rooftop unit quarterly service procedure covers 8 key areas:
- Filters: inspect and replace return air filters and check filter rack seals
- Condenser coil: inspect for fouling debris and corrosion then clean with approved coil cleaner
- Evaporator coil: inspect condition check condensate drain pan and verify drain flow
- Compressor: record suction and discharge pressures running amps oil level and check for unusual noise or vibration
- Belts and pulleys: check supply fan belt tension alignment and wear then replace if cracked or glazed
- Economiser: verify damper operation actuator stroke and minimum position setpoint
- Gas heating section: inspect burners igniter flame sensor heat exchanger and flue for cracks or corrosion
- Electrical and controls: check contactor condition thermostat operation safety controls and wiring connections
How to use this rooftop unit quarterly service procedure
- Access and isolate: set up safe roof access following site height safety procedures, then lock out the rooftop unit at the local isolator, confirm zero energy on all circuits and display isolation tags
- Inspect and replace filters: remove return air filters and note their condition, install new filters of the correct size and rating, and check the filter rack for bypass gaps that would allow unfiltered air into the unit
- Clean condenser coil: remove any debris from the condenser guard and surrounding area, apply approved coil cleaner to the condenser fins, and rinse with low-pressure water from the inside out to clear accumulated fouling
- Check refrigeration circuit: connect refrigerant gauges and record suction pressure, discharge pressure, superheat and subcooling values, then compare all readings to the manufacturer specifications for current ambient conditions
- Inspect fan and belts: check supply fan belt tension and condition for cracking or glazing, inspect pulleys for wear or misalignment, and measure motor running amps against the nameplate rating to confirm normal operation
- Test economiser and controls: cycle the economiser damper through its full range of travel, verify the minimum outside air position meets the design ventilation specification, and check thermostat setpoint and staging operation
- Document and close out: record all readings, findings and any corrective actions taken in the service form, obtain the site representative signature for sign-off and set the next quarterly service date in the scheduling system
In MapTrack, you can track HVAC maintenance and service schedules. Each submission is stored as a timestamped PDF against the asset record.
Get the free templateEnter your email above to download the full rooftop unit quarterly service procedure as a PDF.Back to download formHow often should you complete this service procedure?
Rooftop units should receive a quarterly preventive maintenance service as a minimum. Most manufacturers specify quarterly servicing to maintain warranty coverage. For units in coastal areas or dusty environments condenser coil cleaning may be needed monthly during peak cooling season in addition to the quarterly service.
Under the Australian WHS Act a PCBU must ensure plant is maintained inspected and tested so it remains safe. Rooftop units also fall under the Ozone Protection and Synthetic Greenhouse Gas Management Act when refrigerant work is performed. All refrigerant handling must be carried out by a technician holding a current ARCTick licence.
Frequently asked questions
Applicable regulatory standards
This template aligns with the following regulations and standards:
- AS/NZS 3666.1 - Air-handling and water systems of buildings (microbial control)
- AS/NZS 1668.2 - Mechanical ventilation for acceptable indoor air quality
- Ozone Protection and Synthetic Greenhouse Gas Management Act 1989
- PCBU duty of care (WHS Act 2011, Section 19)
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Rooftop unit quarterly service procedure preview
The numbers behind this rooftop unit quarterly service procedure
Every figure below is sourced and dated, so you can quote it in a toolbox talk, a budget case or a board paper without having to chase the original report.
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<div style="max-width:480px;font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;border:1px solid #E5E7EB;border-radius:12px;padding:20px;background:#ffffff;">
<p style="font-size:12px;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;color:#071D49;margin:0;">Free template</p>
<p style="font-size:18px;font-weight:700;color:#071D49;margin:6px 0 0;">Rooftop unit quarterly service procedure</p>
<ul style="margin:12px 0 0;padding-left:18px;color:#374151;font-size:14px;line-height:1.6;">
<li style="margin:4px 0;">Filters: inspect and replace return air filters and check filter rack seals</li>
<li style="margin:4px 0;">Condenser coil: inspect for fouling debris and corrosion then clean with approved coil cleaner</li>
<li style="margin:4px 0;">Evaporator coil: inspect condition check condensate drain pan and verify drain flow</li>
<li style="margin:4px 0;">Compressor: record suction and discharge pressures running amps oil level and check for unusual noise or vibration</li>
<li style="margin:4px 0;">Belts and pulleys: check supply fan belt tension alignment and wear then replace if cracked or glazed</li>
<li style="margin:4px 0;">Economiser: verify damper operation actuator stroke and minimum position setpoint</li>
</ul>
<p style="font-size:13px;color:#6B7280;margin:14px 0 0;padding-top:12px;border-top:1px solid #E5E7EB;">Free <a href="https://www.maptrack.com/templates/rooftop-unit-quarterly-service" style="color:#071D49;font-weight:600;text-decoration:none;">Rooftop unit quarterly service procedure</a> by MapTrack</p>
</div>Free to reuse, including commercially. This template is published under a Creative Commons Attribution 4.0 licence. Copy it, adapt it, put it on your own site or in your own docs. All we ask is that you credit MapTrack with a link back to this page. The snippet above already includes that credit, so if you use it as-is you’re covered.
Cite this template
Writing about this topic? You’re welcome to quote this checklist. Here’s the wording to use so your readers can find the original.
The MapTrack rooftop unit quarterly service procedure contains 29 checks across 6 sections.
- Short attribution
- MapTrack Rooftop unit quarterly service procedure, https://www.maptrack.com/templates/rooftop-unit-quarterly-service
- Reference list
- MapTrack. (2026). Rooftop unit quarterly service procedure [Checklist template]. Retrieved from https://www.maptrack.com/templates/rooftop-unit-quarterly-service
Free to reuse with credit under a Creative Commons Attribution 4.0 licence. If you’d rather link straight to it, the page is https://www.maptrack.com/templates/rooftop-unit-quarterly-service.
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