Lowcountry Building Performance

Services & packages

Design · Test · Verify · Document

Services & packages

Building performance. Verified results.

Residential HVAC design, building performance testing, airflow measurement and verification for homeowners, builders and HVAC contractors.

Residential services

For homeowners, HVAC contractors and residential projects.

Package 1

Complete HVAC Design

ACCA Manual J / Manual D / Manual S

A properly designed system starts with accurate load calculations, appropriate equipment selection and correctly sized ductwork.

What's included
  • ACCA Manual J: residential heating and cooling load calculations
  • ACCA Manual S: equipment selection and sizing verification
  • ACCA Manual D: residential duct system design
  • Room-by-room heating and cooling requirements
  • Supply and return airflow calculations
  • Duct sizing and design documentation
  • Professional technical PDF report

Ideal for: Homeowners, residential builders, HVAC contractors and new construction projects.

Package 2

Home Performance Testing

Blower door & duct leakageSCDET

Evaluates air leakage through the building envelope and duct system to help identify potential performance deficiencies.

What's included
  • Residential blower-door testing
  • Building envelope air leakage measurements
  • Duct leakage testing (SCDET), where applicable
  • Air leakage results and calculations
  • Identification of potential leakage concerns
  • Professional testing documentation
  • Technical findings report

Ideal for: New construction, existing homes, builders and homeowners interested in energy efficiency.

Package 3

Premium Home Performance

Envelope + HVAC measurementsSCDET

Combines building envelope testing with HVAC performance measurements to show how airtightness and system operation relate.

What's included
  • Residential blower-door testing
  • Duct leakage testing (SCDET), where applicable
  • HVAC airflow measurements
  • Supply and return air temperature measurements
  • External static pressure measurements
  • Basic HVAC operating-condition assessment
  • Thermal imaging, where appropriate
  • Identification of performance deficiencies
  • Professional technical report and recommendations

Ideal for: Homeowners, builders and property owners seeking a more comprehensive assessment.

Package 4

HVAC Performance & Airflow TAB

Testing, adjusting & balancing

Evaluates actual system airflow and operating conditions, because proper airflow drives comfort and equipment operation.

What's included
  • Supply register airflow measurements
  • Return grille airflow measurements
  • Total system airflow evaluation
  • Room-by-room CFM measurements
  • Supply and return air temperature measurements
  • External static pressure measurements
  • Filter pressure drop measurements
  • Airflow balancing and adjustments, when authorized and feasible
  • Before-and-after measurements, where adjustments are performed
  • Professional TAB report

Ideal for: Homeowners with comfort problems, HVAC contractors, new construction and system performance evaluations.

Package 5

Residential HVAC Commissioning

Installation verification

Helps verify that installed equipment and air distribution systems operate in accordance with applicable design requirements.

What's included
  • HVAC equipment identification and verification
  • Equipment selection and design comparison, when documentation is available
  • Airflow measurements
  • External static pressure measurements
  • Supply and return temperature measurements
  • Filter and system pressure measurements
  • HVAC operating-condition documentation
  • Identification of installation and performance deficiencies
  • Commissioning checklist
  • Professional commissioning report

Ideal for: Builders, HVAC contractors, new residential construction and system replacement projects.

Package 6

Complete HVAC Design & Field Verification

From design to performance verification

Our most comprehensive residential offering connects the original HVAC design with measured field conditions.

What's included

Design phase

  • ACCA Manual J, D and S
  • Equipment selection verification
  • Room-by-room airflow requirements
  • Duct system design documentation

Field verification phase

  • Residential TAB
  • HVAC performance testing
  • Airflow measurements
  • Static pressure measurements
  • Supply and return temperature measurements
  • Design-to-field comparison
  • Identification of deficiencies

Final documentation

  • Design documentation
  • Field testing results
  • Performance observations
  • Technical findings and recommendations
  • Final professional PDF report

Ideal for: Custom home builders, residential developers, HVAC contractors and comprehensive residential projects.

Builder services

Coordinated design, testing and documentation from pre-construction to completion.

Package 7

Builder HVAC Package

Design through final testingSCDET

A coordinated HVAC design and verification solution for residential builders.

What's included

Pre-construction

  • Manual J load calculations
  • Manual D duct design
  • Manual S equipment selection

Construction & completion

  • Duct leakage testing (SCDET), where applicable
  • HVAC performance testing
  • Residential TAB
  • Airflow measurements
  • System performance verification
  • Final technical documentation

Ideal for: Residential builders, custom home builders and construction companies seeking consistent documentation.

Package 8

Premium Builder Performance Package

Envelope + HVAC verificationSCDET

Expanded verification of both the building envelope and HVAC systems.

What's included

Pre-construction

  • Manual J, D and S

Building performance testing

  • Blower-door testing
  • Duct leakage testing (SCDET), where applicable
  • Thermal imaging, where appropriate

HVAC verification

  • HVAC performance testing
  • Residential TAB
  • Static pressure measurements
  • Airflow verification
  • HVAC commissioning documentation

Final documentation

  • Building envelope test results
  • Duct leakage results
  • HVAC performance results
  • Deficiency documentation
  • Professional final report

Ideal for: Custom builders, production builders, developers and higher-performance residential projects.

Our approach

Design. Test. Verify. Document.

  1. DesignEvaluate building loads, equipment selection and air distribution requirements.
  2. TestPerform building envelope, duct leakage and HVAC performance measurements.
  3. VerifyCompare measured conditions against applicable design criteria and project requirements.
  4. DocumentDeliver clear, professional reports identifying results, observations and deficiencies.
Get in touch

Now booking across the Lowcountry.

Serving Summerville, Charleston, Berkeley County, Dorchester County and surrounding South Carolina communities. Reach out about your next project.

Rudy Aguilar · Building Performance Specialist