I’ve been able to integrate the BlitzHome BH-AP2501 Air Purifier via the TUYA plugin.
This device is pretty nice, since the PM2.5 sensor allows you to create your own custom air quality based filtering setting. This allows you to find your own balance between noise and clean air.
First, I made sure to filter the PM2.5 sensor data, because it is noisy and introduces random spikes:
# Smooth the air purifier pm25 data
sensor:
- platform: filter
name: "Living Room Climate PM25"
entity_id: sensor.blitzhome_air_purifier_particulate_matter_pm25
filters:
- filter: outlier
window_size: 4
radius: 4.0
- filter: lowpass
time_constant: 10
- filter: time_simple_moving_average
window_size: "00:02"
precision: 1
Then I created an automation to set the fan speed based on the filtered data:
alias: Air purifier
description: ""
trigger:
- platform: numeric_state
id: pm2_high
entity_id: sensor.living_room_climate_pm25
for:
hours: 0
minutes: 0
seconds: 30
above: 50
- platform: numeric_state
id: pm2_medium
entity_id: sensor.living_room_climate_pm25
for:
hours: 0
minutes: 0
seconds: 30
above: 20
below: 50
- platform: numeric_state
id: pm2_low
entity_id: sensor.living_room_climate_pm25
for:
hours: 0
minutes: 0
seconds: 30
below: 10
condition: []
action:
- type: turn_on
device_id: 3d351ca64833c4669ab74e68e2d217ab
entity_id: fan.blitzhome_air_purifier
domain: fan
- choose:
- conditions:
- condition: trigger
id: pm2_high
sequence:
- service: fan.set_preset_mode
data:
preset_mode: H
target:
entity_id: fan.blitzhome_air_purifier
- type: turn_on
device_id: 3d351ca64833c4669ab74e68e2d217ab
entity_id: switch.blitzhome_air_purifier_ionizer
domain: switch
- conditions:
- condition: trigger
id: pm2_medium
sequence:
- service: fan.set_preset_mode
data:
preset_mode: M
target:
entity_id: fan.blitzhome_air_purifier
- conditions:
- condition: trigger
id: pm2_low
sequence:
- service: fan.set_preset_mode
data:
preset_mode: Sleep
target:
entity_id: fan.blitzhome_air_purifier
- type: turn_off
device_id: 3d351ca64833c4669ab74e68e2d217ab
entity_id: switch.blitzhome_air_purifier_ionizer
domain: switch
alias: Choose preset
mode: single
I can highly recommend this device based on my experience of the last two months. It cleans fast when it needs to and being able to tweak the fan speed based on the PM2.5 sensor works brilliantly!