All Recommended Products

Winix 5510 True HEPA Air Purifier

True HEPA + pellet carbon filter, covers 360 sq ft, Wi-Fi, PlasmaWave (can be disabled). Best overall for VOC + particle combo.

Coway AP-1512HH Airmega Mighty

4-stage filtration, 360 sq ft, auto mode, filter life indicator. Best value HEPA purifier — consistently top-ranked in independent tests.

Levoit Core 300 Air Purifier

Compact true HEPA, whisper-quiet (24dB), 219 sq ft. Perfect second room or bedroom unit. Low profile fits anywhere.

Levoit Vital 200S Smart Air Purifier

Large carbon filter + HEPA, 380 sq ft, Wi-Fi app control, auto mode. Strong odor performance with good particle removal.

Winix C545 4-Stage True HEPA Purifier

True HEPA + activated carbon pellets, 360 sq ft, Wi-Fi, auto mode. Great for medium-large rooms, strong VOC performance.

Austin Air HealthMate Air Purifier

15 lbs of activated carbon + zeolite, medical-grade HEPA. The gold standard for chemical/VOC removal near industrial sites. Filters last 5 years.

IQAir HealthPro Plus Air Purifier

HyperHEPA filtration to 0.003 microns, 900 sq ft, Switzerland-made. Premium choice for maximum particle and gas filtration.

Airthings View Plus (7-Sensor)

Radon, PM2.5, CO₂, TVOCs, humidity, temperature, pressure. Wi-Fi + app. The most comprehensive consumer monitor available.

Awair Element Indoor Air Quality Monitor

PM2.5, CO₂, TVOCs, humidity, temperature. Wi-Fi, historical data app. Best balance of simplicity and data depth.

IQAir AirVisual Pro Monitor

PM1, PM2.5, PM10, CO₂, AQI, temp, humidity. Large visual display syncs with outdoor IQAir network data. Best for data enthusiasts.

Temtop M10 Air Quality Monitor

PM2.5, AQI, HCHO (formaldehyde), TVOCs. No app needed — large display readable from across the room. Great starter monitor.

Holikme Door Draft Stopper & Weather Seal (33 ft)

High-density foam with strong adhesive, seals frames and under-door gaps. Works on doors and windows. Start here for fast wins.

GroTheory Door Bottom Sweep (2-pack, 39")

Aluminum + rubber sweep seals under-door gap. Fits interior and exterior doors. One of the most impactful single sealing upgrades.

Frost King Foam Outlet & Switch Plate Gaskets (36-pack)

Pre-cut foam gaskets seal electrical outlets and switch plates on exterior walls — a major hidden infiltration point. One of the cheapest high-impact fixes.

GE Silicone 1 Window & Door Caulk (10.1 oz)

Paintable, 100% silicone, 50-year durability. Use around window frames, door frames, and any wall penetration where pipes or wires enter.

Great Stuff Gaps & Cracks Insulating Foam Sealant (12 oz)

Expanding foam for larger gaps — plumbing penetrations, holes in drywall, attic bypasses. Fills and insulates in one step.

3M Foil HVAC Duct Tape (2 in × 150 ft)

Aluminum foil tape for sealing duct joints, HVAC penetrations, and attic bypasses. Far more durable than standard cloth duct tape.

Nordic Pure MERV 13 HVAC Filters (6-Pack, 20×25×1)

MERV 13 captures PM2.5, pollen, smoke. The single biggest whole-home air quality upgrade you can make. Check furnace manual for MERV 13 compatibility first.

Filtrete 1500 MPR MERV 12 Filters (4-Pack, 20×25×1)

3M Filtrete 1500 MPR (≈MERV 12) — a safer starting point for most HVAC systems. Excellent particle capture without airflow restriction.

Genuine Winix Filter A – HEPA + Carbon 1-Year Pack

Official Winix replacement for C535, 5300-2, 6300-2, AM90, P300. True HEPA + 4-pack carbon pre-filters. Replace HEPA yearly, carbon every 3 months.

Coway Airmega AP-1512HH 1-Year Filter Set

Genuine Coway replacement — True HEPA + 2 carbon pre-filters for AP-1512HH and 200M. Replace HEPA at 12 months, carbon at 6 months.

Levoit Core 300 Replacement Filter (2-Pack)

H13 True HEPA + activated carbon. Compatible with Core 300 and 300S. Replace every 6–8 months in high-pollution environments.

Coconut Shell Activated Carbon Pellets (2 lbs)

Bulk activated carbon for DIY filter projects or carbon bowls. Coconut shell carbon is the highest quality grade — better VOC adsorption than coal-based.

3M Aura N95 Particulate Respirator (10-Pack)

NIOSH-approved N95 for use when sealing dusty spaces, changing filters in heavily loaded purifiers, or working outdoors during high-pollution periods.

SHOWA 660 Chemical Resistant Gloves

Chemical-resistant nitrile gloves for caulking, sealing, and handling carbon filters. Protect skin from sealants and adhesives.

Shark APEX HEPA Filter Vacuum with DuoClean

Sealed HEPA system captures particles you vacuum up rather than recirculating them. A must-have when particle loads are elevated indoors.

Airthings Wave Mini Indoor Monitor

Simple wave-activated display, Bluetooth, tracks TVOCs, temperature, humidity. Budget entry point to the Airthings ecosystem.

Amazon Smart Plug (Alexa automation)

Automate purifier run schedules — turn on 30 min before arriving home, run higher during landfill operational hours, schedule overnight runs.