David Chen

Role: Energy Efficiency Editor

David Chen is the editorial byline for Utility Explained’s Energy Efficiency desk. It identifies the desk responsible for guides about lowering household utility use — from weatherstripping and water-heater settings to HVAC efficiency ratings (SEER, AFUE, HSPF, COP), heat pumps, and air sealing.

For data-heavy efficiency guides, the desk uses DOE, ENERGY STAR, and manufacturer documentation. Refreshed guides show their source links and review date.

Read the full guide: DIY home energy audit is a representative desk piece — it walks the DOE leak checklist room by room. The desk anchors on the U.S. Department of Energy’s Energy Saver guides (energy.gov/energysaver), citing the pages it uses with retrieval dates.

What David Writes About

David writes and reviews our energy-efficiency, savings, and comparison guides — the articles that walk through what lowers a bill, what it costs, and how long it takes to pay for itself.

Guides may use AI assistance during drafting. Data-heavy pages are being reviewed so material claims carry visible, dated primary-source links. See our editorial policy and methodology for details.