Certified Blower Door & Duct Blaster Testing


Green Thinking, LLC provides certified blower door and duct blaster testing for IECC energy code compliance, Manual J HVAC design, and final inspections. These tests are essential for verifying building airtightness and duct system integrity—and are often required for permit approval.

We provide:

- Blower Door Testing:
Measures whole-home air leakage to confirm proper air sealing

- Duct Blaster Testing:
Identifies duct leakage in both conditioned and unconditioned spaces

All testing is performed by a BPI Certified Building Analyst and RESNET HERS Rater, ensuring accurate results that meet code and are trusted by Charleston-area builders, HVAC contractors, and inspectors.

REScheck & Manual J Reports


Green Thinking, LLC offers certified energy consulting and documentation to help meet IECC energy code requirements and support long-term HVAC system performance. We work with builders, contractors, and homeowners across Charleston and the surrounding areas.

Our services include:

- REScheck Reports:
Ensure IECC code compliance for new construction, additions, and renovations

- Manual J Load Calculations:
ACCA compliant HVAC sizing reports for mechanical permitting


All services are delivered by a RESNET HERS Rater and LEED Green Associate with extensive experience in field verification and building energy modeling.

Energy Audits & Construction Oversight

We offer diagnostic audits and third-party oversight to help homeowners and contractors avoid costly construction mistakes and improve energy performance.

Services include:

- Whole home energy audits
- Insulation and air sealing inspections
- Moisture and ventilation diagnostics
- Quality assurance walkthroughs
- Scope and bid review for homeowners
- Second opinions on HVAC, envelope, and renovation work

These services are backed by real-world experience and national certification to deliver trusted, actionable results.

Contact Us: greenthinkingllc@gmail.com [843.990.3430]