Options & Addons

CERV-UV: Ultraviolet Air Purification

The CERV comes standard with Enocean Wireless Communication, a low power protocol for interaction with local devices. Wireless range can be up to 300m in open the open and up to 30m inside buildings (depending on interfering materials). Frequency used for these devices is 902MHz. Maximum 18 wireless devices.

Available Wireless Devices:

Ventilation Switch

Active Circuit Transmitter

Remote Sensor

Wireless Relay

Wireless CERV Controller

Battery Free Ventilation Switches
  • Remote Switches trigger timed fresh air ventilation
  • Individually configurable for CFM, zone, and length
  • Ideal for Bathroom & Kitchen Venting
  • Available in many colors
  • Download: Spec Sheet
Active Circuit Transmitter
  • Monitors circuit for activity, transmits status
  • Triggers Vent, Heat, Cool, etc. like auxiliary input
  • Individually configurable for CFM, zone, and length
  • Ideal kitchen vent hoods
  • Download: Spec Sheet
Occupancy Sensor
  • Transmits signal when room is occupied
  • Great for triggering ventilation in bathrooms
  • Solar powered, battery free!
  • Download: Spec Sheet
Window/Door Contact Sensor
  • Transmits signal when window or door is opened/closed
  • Can be used to turn CERV off when windows open
  • Solar powered, battery free!
  • Download: Spec Sheet
Wireless Relay
  • On/Off control like auxiliary output
  • Can be used for Geo Boost, duct heater, etc.
  • 24VAC or 120-277VAC options available
  • Download: Spec Sheet
Remote Sensors
  • Temperature & RH, T & RH & CO2 options available
  • Remote measurement for bedrooms & bathrooms
  • Remote measurement for bedrooms & bathrooms
  • CO2 can trigger ventilation
  • Solar powered, no batteries required!
  • Download: Spec Sheet
Wireless Signal Repeater
  • Extends range for Switches, ACT, Relay, and Sensors
  • Plugs into standard 120VAC wall outlet
  • Range: 80ft indoors, 330ft line of sight
  • Download: Spec Sheet
Wireless CERV Controller
  • Remotely monitor and control the CERV in your home
  • Great for difficult to access CERV installations
  • Included base for wall-mounting
  • Download: Touchscreen Guide
CERV-IR-T Thermostat Interface
CERV-IR-4 4 Channel SPDT Relay
  • 4 Channel SPDT (Normally Open / Common / Normally Closed) Relays
  • 250VAC, 2A maximum per relay
  • Control Zone Dampers, Geo-Boost, duct heater, etc.
  • Installation & Operation Guide

With the Wired Auxiliary Output control, the intelligence of the CERV can be expanded to other devices in your home. The CERV comes with one built in 277VAC, 15A capable dry contact relay, and another six 24VAC or dry contact (user selectable) 0.5A can be added with the I/O Expansion Board.

Available functions for Wired Auxiliary Outputs:




Humidity Removal

Humidity Addition

Heat Exchanger

Zone Damper

Fan Interlock

Geo-Boost Ground Loop Heat Exchanger
Zone Damper Control
I/O Expansion Board
  • Adds 6 dry contact/24VAC outputs
  • Adds 3 dry contact/24VAC sense inputs
  • Control external heating cooling, ventilation, moisture control, GEO Boost, & more!
  • Simple installation & configuration
  • Installation & Operation Guide
Inline Duct Heater
  • Best for backup heat in climates with low loads
  • 2.5kW and 5kW versions available
  • Installs easily with standard ductwork


Outside VOC Sensor
Ethernet Module
  • Note: The CERV comes standard with WiFi. The Ethernet module can be used to replace the WiFi connection with a hardwired internet connection.
  • Simple setup - just connect the Ethernet Module to your router with standard cat5/5e/6 ethernet cable
  • Download: Installation & Operation Guide
OEM CERV Filters
  • 10"x20"x1" MERV 13 filters for fresh air and return
  • Optional Carbon style for smoke and odor protection
  • Boxes of 3, 6, 12, & 24 available
  • Order Filters!
Duct Silencer
  • Many duct sizes available
  • Significantly reduces fan/duct noise
  • Easy installation
  • Great for large homes with extensive ductwork requiring high airflow

Turn your house into a healthy home

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