Service Area › Westchester County
Duct Leakage Testing in Larchmont, NY
Fast scheduling · Signed report on-site · Contractor pricing
Serving Larchmont HVAC Contractors
Larchmont is one of Westchester's most sought-after villages, with a dense stock of pre-war colonials and Tudor-style homes where HVAC system replacements almost always trigger duct testing requirements under the 2025 code.
Larchmont's tree-lined streets between the Boston Post Road and Long Island Sound are packed with pre-war Tudors and colonials, many on narrow lots with limited exterior access. The Manor Park and Larchmont Manor sections feature larger homes with complex multi-level duct systems. Contractors frequently encounter original coal-to-oil conversion ductwork in basements that needs complete replacement. The village's proximity to Mamaroneck and New Rochelle means we often schedule multiple tests along the Sound Shore corridor in a single morning.
Westchester Duct Testing provides residential duct leakage testing for HVAC contractors throughout Westchester County. 10–15 minutes from our Harrison office. We show up, run the test, and hand you the signed report before we leave.
Larchmont at a Glance
- Population
- 6,200
- Municipality type
- Village of Larchmont
- ZIP codes served
- 10538
- Typical housing
- Predominantly 1920s–1940s Tudors, colonials, and English-style cottages
Local Building Department
Village of Larchmont Building Department
Phone: (914) 834-6230
Active enforcement of duct testing requirements; report required before CO issuance on all HVAC permits.
Common Projects in Larchmont
- ✓Full duct system replacement
- ✓High-velocity small-duct system installation
- ✓Duct replacement in finished basements
Code Requirements
The 2025 ECCCNYS requires duct leakage testing for all residential duct installations, including retrofits (R503.1.2). Maximum allowable leakage: ≤ 4 CFM per 100 sq ftof conditioned floor area at 25 Pa (≤ 3 CFM/100 sf at rough-in without AHU). Full test process details →
Schedule a Test in Larchmont
Call to schedule or submit the form online.
We Also Serve Nearby Communities
Duct testing in Larchmont?
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