Last updated: May 2026
Peak Energy Services
Building science diagnostics, crawl space and insulation services, and code compliance testing for homeowners and builders across Wake County and the Triangle NC. Estimated price ranges shown for transparency — actual quotes follow an on-site assessment.
For Homeowners
Crawl space, insulation, energy audits, and monitoring. Most projects scheduled within 1–2 weeks; Holly Springs gets priority.
Crawl Space Encapsulation
Full crawl space sealing: vapor barrier, air sealing, dehumidifier. Stops moisture, mold, and energy loss at the source. Estimated $7,500–$15,000.
$7,500–$15,000Crawl Space Dehumidifier Installation
AprilAire and Santa Fe crawl space dehumidifiers with continuous drainage. Maintains 45–55% RH automatically. Estimated $3,000–$5,000 installed.
$3,000–$5,000Crawl Space Insulation & Vapor Barriers
Crawl space insulation, vapor barrier installation, and air sealing. A more targeted upgrade for less severe moisture issues. Estimated $1,500–$5,000.
$1,500–$5,000Attic Insulation
Blown-in attic insulation with air sealing. Most homes built before 2010 are below current R-38 code. Estimated $2,500–$5,500.
$2,500–$5,500Home Energy Audits
Professional energy audit with blower door, thermal imaging, and duct leakage testing. Written report with prioritized fixes. Estimated $350–$650.
$350–$650Energy Monitoring
Whole-home energy monitor installation. Real-time, appliance-level electricity tracking. Estimated $700–$1,700 installed.
$700–$1,700For Builders & HVAC Contractors
NC Energy Conservation Code compliance testing. Same-week scheduling for builders. Fast turnaround on certificates and reports.
Duct Leakage Testing
NC Energy Conservation Code compliance duct leakage testing. ≤4 CFM25/100sf required for new construction. Estimated $200–$400.
$200–$400Blower Door Testing
NC code air leakage testing for new construction. ≤4 ACH50 required. Same-day reports. Estimated $300–$500.
$300–$500HVAC Airflow Testing
Third-party HVAC airflow verification for residential and commercial. Supply, return, and exhaust fan testing. Estimated $250–$2,000.
$250–$2,000Service Areas
Based in Holly Springs, we serve all of Wake County and the surrounding Triangle — including Holly Springs, Raleigh, Cary, Apex, Fuquay-Varina, Morrisville, Garner, Chapel Hill, and full service areas page for details on each market.
Schedule a Service
Tell us what you need and we'll get you a quote. Most assessments happen within a week of first contact.
Schedule AssessmentOr call (919) 567-5329