Komfovent C6 for Home Assistant

Home Assistant integration for Komfovent C6 ventilation units.

Support: Open an issue or contact pykomfovent@ostaszewski.pl

Features

• 27 sensors (temperatures, fans, energy, filter status)
• 2 binary sensors (filter warning, heating active)
• Mode control (Away, Normal, Intensive, Boost)
• Temperature setpoint control
• Schedule management
• 42 advanced configuration entities (per-mode settings)
• Device triggers for automations
• Custom Lovelace card
• Autodiscovery
• Energy dashboard support

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Installation

HACS (Recommended)

1. Open HACS → three dots → Custom repositories
2. Add https://github.com/mostaszewski/hass-pykomfovent as Integration
3. Search "Komfovent" and install
4. Restart Home Assistant

Manual

Copy custom_components/pykomfovent to your config/custom_components/ and restart.

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Configuration

1. Settings → Devices & Services → Add Integration
2. Search "Komfovent"
3. Enter details:

Field	Description
Host	IP address (empty for autodiscovery)
Username	Web interface username
Password	Web interface password
Scan Interval	Update frequency (default: 30s)

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Entities

Sensors

Entity	Unit	Description
Mode	-	Current operating mode
Supply/Extract/Outdoor Temperature	°C	Air temperatures
Supply/Extract Fan	%	Fan speeds
Filter Contamination	%	Filter dirt level
Heat Exchanger Efficiency	%	Recovery efficiency
Power Consumption	W	Current power usage
Energy Consumed Daily/Monthly/Total	kWh	Energy statistics
Energy Recovered Daily/Monthly/Total	kWh	Heat recovery statistics

Binary Sensors

Entity	Description
Filter Needs Cleaning	True when filter > 80% dirty
Heating Active	True when heater is running

Controls

Entity	Type	Range
Mode	Select	Away, Normal, Intensive, Boost
Supply Temperature Setpoint	Number	10-30°C

Mode Configuration (disabled by default)

42 entities for advanced per-mode settings:

• Fan speeds per mode (14 numbers)
• Temperature setpoints per mode (8 numbers)
• Humidity setpoints per mode (4 numbers)
• Electric heater per mode (8 switches)
• ECO settings (5 entities)
• AUTO settings (3 entities)

Enable via: Devices & Services → Komfovent → Entities → Show disabled

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Services

pykomfovent.set_mode

service: pykomfovent.set_mode
data:
  mode: intensive  # away, normal, intensive, boost
  device_id: abc123  # optional, targets specific device

pykomfovent.set_temperature

service: pykomfovent.set_temperature
data:
  temperature: 22.5
  device_id: abc123  # optional

pykomfovent.set_schedule

service: pykomfovent.set_schedule
data:
  program: 0
  row: 0
  weekdays: 31  # Mon-Fri (bitmask: Mon=1, Tue=2, Wed=4, Thu=8, Fri=16, Sat=32, Sun=64)
  entries:
    - mode: away
      start: "00:00"
      stop: "06:00"
    - mode: normal
      start: "06:00"
      stop: "22:00"
    - mode: away
      start: "22:00"
      stop: "24:00"
  device_id: abc123  # optional

pykomfovent.get_schedule

service: pykomfovent.get_schedule
data:
  device_id: abc123  # optional
response_variable: schedule

Note: If device_id is omitted, services apply to all configured devices.

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Automation Examples

Filter Alert

automation:
  - alias: "Filter Alert"
    trigger:
      - platform: device
        device_id: <your_device_id>
        domain: pykomfovent
        type: filter_warning
    action:
      - service: notify.mobile_app
        data:
          message: "Ventilation filter needs cleaning!"

Boost on High CO2

automation:
  - alias: "Boost on CO2"
    trigger:
      - platform: numeric_state
        entity_id: sensor.co2
        above: 1000
    action:
      - service: pykomfovent.set_mode
        data:
          mode: boost

Night Mode

automation:
  - alias: "Night Mode"
    trigger:
      - platform: time
        at: "22:00:00"
    action:
      - service: pykomfovent.set_mode
        data:
          mode: away
      - service: pykomfovent.set_temperature
        data:
          temperature: 20

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Lovelace Card

1. Settings → Dashboards → Resources
2. Add: /komfovent/komfovent-card.js (JavaScript Module)
3. Use in dashboard:

type: custom:komfovent-card
entity: sensor.komfovent_192_168_0_137_mode

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Dashboard Examples

Simple Status Card

type: entities
title: Ventilation
entities:
  - entity: select.komfovent_192_168_0_137_mode_select
  - entity: number.komfovent_192_168_0_137_supply_temp_setpoint
  - entity: sensor.komfovent_192_168_0_137_supply_temperature
  - entity: sensor.komfovent_192_168_0_137_outdoor_temperature
  - entity: sensor.komfovent_192_168_0_137_filter_contamination
  - entity: binary_sensor.komfovent_192_168_0_137_filter_dirty

Glance Card

type: glance
title: Ventilation
entities:
  - entity: sensor.komfovent_192_168_0_137_mode
    name: Mode
  - entity: sensor.komfovent_192_168_0_137_supply_temperature
    name: Supply
  - entity: sensor.komfovent_192_168_0_137_outdoor_temperature
    name: Outdoor
  - entity: sensor.komfovent_192_168_0_137_supply_fan
    name: Fan

Energy Card

type: energy-distribution
title: Ventilation Energy
entities:
  - sensor.komfovent_192_168_0_137_power_consumption
  - sensor.komfovent_192_168_0_137_heat_recovery_power

Mode Buttons

type: horizontal-stack
cards:
  - type: button
    name: Away
    icon: mdi:home-export-outline
    tap_action:
      action: call-service
      service: pykomfovent.set_mode
      data:
        mode: away
  - type: button
    name: Normal
    icon: mdi:home
    tap_action:
      action: call-service
      service: pykomfovent.set_mode
      data:
        mode: normal
  - type: button
    name: Intensive
    icon: mdi:fan
    tap_action:
      action: call-service
      service: pykomfovent.set_mode
      data:
        mode: intensive
  - type: button
    name: Boost
    icon: mdi:fan-plus
    tap_action:
      action: call-service
      service: pykomfovent.set_mode
      data:
        mode: boost

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Troubleshooting

Issue	Solution
Integration not loading	Check logs, verify device IP is reachable
Entities unavailable	Check network, verify credentials
Mode config not visible	Enable disabled entities in device settings

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Requirements

• Home Assistant 2024.1.0+
• Komfovent C6 ventilation unit with web interface

Library

This integration uses pykomfovent for device communication.

License

MIT