David Chen
Role: Home Energy Auditor
David Chen is a RESNET-certified Home Energy Rating System (HERS) rater who has performed over 2,000 residential energy audits across the Midwest and Southeast. He walks through homes with a blower door, thermal camera, and duct blaster, then tells homeowners exactly where their energy dollars are leaking out.
David’s audits have helped families reduce their utility bills by an average of 28%. He specializes in translating technical efficiency data into practical, affordable fixes — from $5 weatherstripping jobs to full HVAC replacements.
Expertise
- Home energy audits and efficiency assessments
- HVAC sizing, efficiency ratings (SEER, AFUE, HSPF, COP)
- Insulation and air sealing
- Phantom load and standby power reduction
- Heat pump technology and electrification
- Smart thermostat optimization
Credentials
- RESNET-certified HERS Rater (Certificate #HR-11847)
- EPA Lead-Safe Certified Renovator
- 8 years of residential energy auditing experience
- Trained at the National Energy Audit Training Center
- Member of the Affordable Comfort Inc. (ACI) network
What David Writes About
David writes our energy efficiency, savings, and comparison guides — the articles that show you exactly how to lower your bills with practical, tested strategies.