SBC Testing 525 Stark Road Center Conway NH 03813 207-542-9048 [email protected] October 23, 2026 RE: Section N1102.4.1.2 Blower Door Testing Integrity and Independent Verification Dear local code enforcement, As an independent, third-party building science consultant operating within your jurisdiction, I am writing
SBC Testing uses the RESNET 380 Standard for blower door and duct leakage testing. The following is a summary of the standard. This document is the ANSI/RESNET/ICC 380-2022 Standard, titled "Standard for Testing Airtightness of Building, Dwelling Unit, and Sleeping Unit Enclosures; Airtightness of Heating and
Whether you are aiming to meet residential energy code requirements for new construction, looking to lower winter heating bills in an older home, or troubleshooting uncomfortable drafts, a blower door test is the single best diagnostic tool to measure building envelope airtightness. At SBC Testing, transparent pricing is essential. Homeowners,
A blower door test is one of the most useful tools available for understanding how air moves through a home. By temporarily using a calibrated fan to create a small pressure difference between the inside and outside of the building, the test helps identify how much air is leaking through
Over the years, my work in residential energy testing, building performance, and high-performance construction has grown across a number of different projects. This website is intended to bring that work together in one place. Some people may already know my work through MWV Blower Door Test, where I have
Precision diagnostics for healthier, more efficient homes and buildings.
SERVING ALL OF NEW HAMPSHIRE
Professional testing and building diagnostics designed to improve comfort, efficiency, indoor air quality, and code compliance.
Quantifying building air leakage to improve energy efficiency and occupant comfort.
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Ensuring your HVAC systems are sealed and delivering air efficiently to the intended spaces.
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Verification of exhaust flow rates to maintain healthy indoor air quality in your kitchen.
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Calibration of Energy Recovery Ventilators for optimal pressure and performance.
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Infrared diagnostics to identify insulation gaps, thermal bridging, and moisture issues.
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Long-term monitoring of temperature and humidity for comprehensive building analysis.
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Utilizing building science to diagnose and resolve moisture-related issues impacting health and structure.
Learn More →At SBC Testing, we provide expert Blower Door Testing, Duct Testing, and diagnostic services to ensure your home or building project is efficient, comfortable, and compliant with modern energy standards.
SBC Testing is led by Shawn Baldwin, a highly trained professional certified through the Building Performance Institute (BPI). Shawn holds specialized credentials in building science and hands-on field experience.
Whether you are a homeowner looking to lower utility bills or a contractor needing to meet building code requirements, Shawn’s blend of formal education and field experience ensures high-quality service.
SBC Testing is fully insured and operates under Shawn Baldwin Contracting LLC.
Serving all of New Hampshire with professional testing services.
