What is ASHRAE guidance?

Ventilation, thermal comfort and HVAC system performance references. It is published by the American Society of Heating, Refrigerating and Air-Conditioning Engineers. ASHRAE publishes the performance references HVAC work is judged against once it is running: ventilation rates, comfort conditions and the maintenance practices that hold a system near design over its life.

What does ASHRAE guidance cover?

Outdoor air and ventilation rates; Thermal comfort criteria; System performance verification; Maintenance practice for HVAC equipment.

What does a field inspection against ASHRAE guidance look at?

Measured airflow and temperature split photographed at the instrument. Filter condition captured as found and as replaced. Economizer and damper position shown, with the controller reading in frame.

Which checklists verify work against ASHRAE guidance?

6 free checklists in the RTI library reference this family. Each is listed on this page with the photo evidence every item needs before it can be submitted.

American Society of Heating, Refrigerating and Air-Conditioning Engineers

ASHRAE guidance

ASHRAE publishes the performance references HVAC work is judged against once it is running: ventilation rates, comfort conditions and the maintenance practices that hold a system near design over its life.

Adoption varies by jurisdiction. Confirm the edition your authority having jurisdiction enforces before you run a walk against it.

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Rooftop unit (RTU) quarterly maintenance checklist

15 items · 12 photos required

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What it covers

Outdoor air and ventilation rates
Thermal comfort criteria
System performance verification
Maintenance practice for HVAC equipment

What the evidence looks like

Measured airflow and temperature split photographed at the instrument.
Filter condition captured as found and as replaced.
Economizer and damper position shown, with the controller reading in frame.

Checklists that verify work against ASHRAE guidance

6 free checklists, each with the photo every item needs before it can be submitted.

Rooftop unit (RTU) QuarterlyRooftop unit (RTU) quarterly maintenance checklistFilters, belts, drains and safeties on each unit, every quarter15 items12 photos Rooftop unit (RTU) AnnualRooftop unit (RTU) annual maintenance checklistFull service: coils, electrical connections, refrigerant and combustion checks15 items17 photos Air handling unit QuarterlyAir handling unit quarterly maintenance checklistFilters, belts, coils and drain pans checked on the quarterly round15 items13 photos Air handling unit AnnualAir handling unit annual maintenance checklistDeep coil cleaning, airflow verification and control calibration on the annual service14 items15 photos Chiller QuarterlyChiller quarterly maintenance checklistOperating readings, leaks and water treatment verified on the quarterly round14 items12 photos Chiller AnnualChiller annual maintenance checklistTube inspection or cleaning, oil analysis and full safety trip test on the annual service14 items9 photos

Common questions

5 answers

What is ASHRAE guidance?: Ventilation, thermal comfort and HVAC system performance references. It is published by the American Society of Heating, Refrigerating and Air-Conditioning Engineers. ASHRAE publishes the performance references HVAC work is judged against once it is running: ventilation rates, comfort conditions and the maintenance practices that hold a system near design over its life.
What does ASHRAE guidance cover?: Outdoor air and ventilation rates; Thermal comfort criteria; System performance verification; Maintenance practice for HVAC equipment.
What does a field inspection against ASHRAE guidance look at?: Measured airflow and temperature split photographed at the instrument. Filter condition captured as found and as replaced. Economizer and damper position shown, with the controller reading in frame.
Which edition of ASHRAE guidance applies to my project?: Adoption varies by jurisdiction. Confirm the edition your authority having jurisdiction enforces before you run a walk against it.
Which checklists verify work against ASHRAE guidance?: 6 free checklists in the RTI library reference this family. Each is listed on this page with the photo evidence every item needs before it can be submitted.

A standard is only met if the evidence exists

RTI holds the submit button until every mandatory item is answered and the photos are attached, then chains the record so it can be proven untouched later.

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