HVAC, thermal & air-quality research lead
Alex Chen
Research lead for HVAC, thermal, and indoor-air-quality sizing. Focus areas are ACCA Manual J load calculation, heat-pump performance curves, AHAM DH-1 dehumidifier capacity, and AHAM AC-1 CADR / air-changes-per-hour methodology for air purifiers.
On the team since 2022
184 citations on the site
What Alex reviews
Domain: Air Purifier, Dehumidifier, Mini Split
Methodology
Every result is checked against the cited standard's exact section, not just its name. When a calculator gives an answer that differs from a 'rule of thumb' on a forum post, the calculator is right until proven otherwise.