It is currently working on a new HNB device called Core, but Reynolds was actually first in this space too, having introduced the Eclipse back in the early 1990s, though it was ahead of its time and didn't go anywhere

Tech specs Product features Sensors: Radon, particulate matter (PM 2.5 ), Carbon dioxide (CO 2 ), temperature, humidity, airborne chemicals (VOC), air pressure Display: 2.9 296128 pixels ePaper Visual indicator: Red/yellow/green glow indicator Long battery life: Up to 2 years (depends on sensor interval and WiFi router) Optional operation on USB-C (runs from batteries if removed) Supports wall mounting or placement on table Wireless connection: WiFi or Airthings SmartLink (with Hub) Bluetooth for on boarding and daily use configuration Hub functionality: Enabled when connected with WiFi and USB-C cable is plugged into device (not compatible with Wave Radon 1 st Gen SN: 2900xxxx) Radon specifications Radon sampling: Passive diffusion chamber Detection method: Alpha spectrometry Measurement range: 0 500 pCi/L / 0 20,000 Bq/m 3 Accuracy/precision at 5.4 pCi/L / 200 Bq/m After 7 days ~ 10 % After 2 months ~ 5 % 3 : Air quality specifications Sensor sampling interval: 5 minutes Sensor Resolution: Temperature 0.1C / F Humidity 1% Pressure 0.15hPa Initial calibration time: VOC ~7 days CO2 ~7 days CO 2 details: NDIR Sensor (Non-Dispersive Infra-Red): Measurement range 4005000 ppm Optimum Accuracy 50ppm 3% within 10 35C / 50 - 95F and 0 80%RH after initial calibration time Particulate Matter (PM Laser scattering based optical particle counter 2.5 ) details: Particle size detection range: 300 nm to 10 m Range: 0~1000 g/m Measurement error (PM2.5): below 150 g/m3: (5 g/m3 + 15%), above 150 g/m3: (5 g/m3 + 20%)

Expect to spend anywhere from $6,000 to $18,000, depending on your home's size and the climate where you live
Flue-curing is the defining process that transforms a green Virginia tobacco leaf into the bright, sweet product used in cigarette blends