HVAC Ductwork Installation Checklist

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Pre-Installation & Planning

1 of 8

Verify plans, permits, and site conditions before any ductwork is installed. Includes safety checks and material staging.

Review HVAC Drawings & Specifications?

Review HVAC Permit(s)?

Date of Plan Review Completion

Summary of Plan Review Findings & Discrepancies

Site Survey Completed?

Details of Site Conditions (Obstacles, Existing Utilities, etc.)

Estimated Ductwork Length (Feet)

Confirm Material Delivery Schedule?

Location of Material Staging Area

Material Verification & Storage

2 of 8

Ensuring correct materials are delivered, inspected, and stored properly to prevent damage and ensure code compliance.

Ductwork Order Quantity (Total Linear Feet)

Duct Material Type Received

Gauge of Steel Received (if applicable)

Material Receiving Notes (damage, shortages, etc.)

Insulation Type Received

Insulation R-Value Received

Material Delivery Receipt/Packing List

Storage Location Notes (e.g., covered/uncovered, protected from elements)

Condition of Delivered Materials

Ductwork Fabrication & Fitting

3 of 8

Covers the fabrication of ductwork, including cutting, joining, and applying sealants. Focuses on accuracy and airtightness.

Duct Length Variation (inches)

Duct Width Deviation (inches)

Joint Type Used (e.g., crimped, screwed, welded)

Description of 'Other' Joint Type (if selected)

Sealant Types Used (check all that apply)

Duct Profile Alignment

Photographic Evidence of Key Joints

Ductwork Hanging & Support

4 of 8

Properly hanging and supporting ductwork using appropriate hangers, supports, and bracing. Ensures stability and prevents sagging.

Hanger Spacing (Feet)

Maximum Duct Sag (Inches)

Hanger Type Used

Notes on Hanger Placement/Adjustments

Support Materials Verified?

Ductwork Secured to Structure?

Sealing & Insulation

5 of 8

Details the application of sealant and insulation to minimize air leakage and improve energy efficiency.

Insulation Type Verified?

Insulation Thickness (inches)

Joint Sealant Type

Notes on Sealant Application

Sealed Areas

Vapor Barrier Installed?

Sealant/Insulation Material Certificates (if required)

Connection to Equipment

6 of 8

Focuses on the proper connection of ductwork to the HVAC equipment (furnace, AC unit, etc.) and ensuring airtight seals.

Equipment Connection Type

Specify 'Other' Equipment Type (if applicable)

Static Pressure at Equipment Connection (inches of water)

Connection Method

Specify 'Other' Connection Method (if applicable)

Connection Sealant Used (if applicable)

Specify 'Other' Sealant Used (if applicable)

Photo of Equipment Connection

Connection Leak Tested?

Testing & Balancing

7 of 8

Includes pressure testing, smoke testing, and balancing of the ductwork system to ensure proper airflow.

Static Pressure Measurement (Supply)

Static Pressure Measurement (Return)

Airflow Measurement (CFM) – System Total

Pressure Testing Outcome

Pressure Test Details (if fail)

Testing Methods Used

Date of Balancing

Time of Balancing

Balancing Notes/Adjustments Made

Final Inspection & Clean-up

8 of 8

Final inspection of completed ductwork, addressing any deficiencies, and cleaning the work area.

Visual Inspection - Ductwork Condition:

Sealing Material Integrity:

Air Leakage Test Result (CFM/ft²):

Noise Level Acceptable?

Comments/Observations:

Inspection Date:

Inspection Time:

Inspector Signature:

Attach Photos of Inspection:

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