Harvard Professor: Professor of Biostatistics at Harvard University; former Senior Associate Dean for Research at the Harvard T.H. Chan School of Public Health.
Data Science Leader: Co-Director of the Harvard Data Science Initiative (HDSI).
Research & Expertise
Environmental Health Authority: A world-renowned expert on the link between air pollution and health, specializing in statistical modeling and big data analytics.
Key Focus: Investigating the impact of fine particulate matter (PM2.5), ozone, and climate change on respiratory and cardiovascular diseases.
Key Achievements & Impact
Policy Influence: Her groundbreaking research has been instrumental in shaping global environmental health policies and air quality standards.
Global Recognition: Her work is frequently featured in major outlets like The New York Times and The Guardian, raising public awareness of the dangers of PM2.5 exposure.
Relevance to Air/Smoke Purification
Indoor Air Quality (IAQ) Focus: Her research provides a scientific foundation for the necessity of reducing indoor pollutants. As an expert in pollution exposure, her findings underscore the health benefits of smoke purification technology in mitigating risks from cooking fumes and indoor particulate matter.
Cooking fumes contain PM2.5, VOCs, and NO2 that affect babies, children with asthma, and long-term lung health. Learn 7 steps to protect your family with proper kitche...
Learn how to clean range hood filters step by step — mesh, baffle, and charcoal types. Includes the best degreasing methods, how often to clean, deep cleaning tips for...
A complete guide to 30-inch range hoods: wall-mount and under-cabinet types, airflow sizing for gas and electric stoves, key features to compare, and why intake veloci...
Learn what makeup air is, when building code requires it (400+ CFM), how to spot negative pressure signs, and which solution fits your range hood setup.
Range hood not working? Diagnose and fix 12 common problems from weak suction and smoke escaping to grease dripping and circuit breaker trips. Step-by-step guide.
A complete guide to 36-inch range hoods: types (wall-mount, under-cabinet, island), CFM sizing for gas and electric stoves, key features to compare, and installation t...
Use our CFM chart to find the right range hood airflow for your stove type, BTU output, and kitchen size. Includes the BTU-to-CFM formula, noise comparison, and real-w...
CFM stands for cubic feet per minute — the standard measure of airflow. Learn what CFM means, how to calculate the right CFM for your range hood, and why it's not the ...
Range hood filters cost $280-$900 over 10 years in replacements and supplies alone — plus 60-120 hours of cleaning. See the full cost comparison between mesh, charcoal...
Range hood installation costs $150 to $2,000+ depending on ductwork, electrical, and kitchen layout. See the full 2026 cost breakdown by scenario and learn how to get ...
16 m/s airflow intercepts rising smoke before it escapes, powers centrifugal grease separation, and keeps cabinets clean — even during heavy gas cooking.
Cooking smells linger because grease settles into upholstery and walls. Use proper ventilation speed, clean grease filters monthly, and upgrade to rigid ducts.
Narrowing the air intake accelerates velocity, creating a high-suction zone above gas burners. Centrifugal force deposits grease into a removable collection tray.
Standard range hoods fail wok cooking, curry, and deep frying. Learn why air velocity (not CFM) determines grease capture and what specs to look for before buying.
Open-concept kitchens make ventilation harder because there are no walls to contain fumes. Learn why intake velocity matters more than CFM, where cooking odors actuall...
Speed beats volume. Fast air intercepts rising grease, creates vacuum at intake. Slow air lets grease escape to furniture. Test with paper grip method.
Frying releases PM2.5 particles that inflame nasal passages and trigger asthma. Capture speed matters more than CFM for removing irritants before you breathe them.
Kitchen exhaust creates vacuum in sealed homes, causing fireplace smoke and CO backdraft. Window test confirms it; makeup air systems solve it permanently.
Match ventilation to your habits: high-heat cooking needs fast capture velocity, simmering requires quiet continuous airflow, and gas stoves demand robust exhaust.
Excessive noise, poor smoke extraction, grease buildup, electrical failures, and rust are clear signs. Learn when repair isn't enough and replacement is necessary.
Rigid metal ducts, minimal 90-degree turns, 18-inch straight starts, and proper sizing prevent range hood failure. Match duct size to outlet specifications.
Wall-mounted hoods offer superior capture for high-heat cooking, while downdraft systems struggle against rising heat physics. Under-cabinet models balance space.
Map duct route between joists, drill pilot hole, mount rigid ductwork, wrap attic insulation against moisture, shingle roof cap properly, verify airflow and check for ...
Use color psychology, concealed ventilation with range hood inserts, strategic lighting layers, high-gloss finishes, and mirrored backsplashes to expand space.
Most apartment range hoods recirculate air instead of venting outside. Carbon filters can't remove heat or steam, and microwave hoods lack proper suction velocity.
Gap between range hood and ceiling? Use flexible trim, metal scribing, custom soffits, or precision caulking. Prevent grease buildup and achieve a seamless look.
Filter-free range hoods cut cleaning time by 90%. Learn the 3-step daily routine: warm wipe, degreaser spray, and polish. Maintain a spotless kitchen effortlessly.
Clean range hood filters monthly for average use, every 2 weeks for heavy frying, or quarterly for light cooking. Sticky surfaces and poor airflow signal danger.
Stop guessing. 7 critical questions: Ducted vs ductless? Wall mount or under-cabinet? Air velocity over CFM? Go 6" wider. Quiet 1-3 sones. Filter type. Budget.
Worth every penny for serious cooks. High-end hoods offer baffle or filter-free designs, whisper-quiet motors, and powerful suction. Total installation: $700-$3,000. R...
Stop smoke escaping sideways. The Golden Rule: add 6 inches extra width—3 inches per side. 36-inch hoods capture plumes from 30-inch cooktops effectively.
IQV hoods feature quad-vortex airflow, filterless design, and 500G centrifugal force for superior fume capture. Quieter, smarter, and more efficient than standard models.
