Frequently Asked Questions - Fresh Air Systems (IAQ)

  • What is the difference between an HRV and an ERV? Which should I choose for my home?

  • Why would I need an ERV or an HRV for my home?

  • Would I be able to improve my air quality with just a ventilator?

  • Why is an HRV or ERV system better than a regular ventilator?

  • Must I also install bath fans if I choose to install a Fresh Air System?

  • Can I ventilate my bath fans through a Fresh Air System's ductwork?

  • How much fresh air is needed in a home?

  • Who installs Fresh Air Systems equipment?

  • What types of controls are available to operate the Fresh Air Systems equipment?

  • Where is an ERV or HRV installed?

  • Can I use a Broan HRV to ventilate my pool or spa areas?

  • Can I wire my Fresh Air Systems equipment to my furnace so it only runs when my furnace is running?

  • Why must I have a balanced ventilation system?

  • What type of ducting does the equipment require?

Advice and Solutions - Fresh Air Systems

  • Winter & Autum - Condensation on windows

  • Winter & Autum - Air too dry in the house

  • Winter & Autum - Water in drain plastic tubing (HRV units only)

  • Winter & Autum - Recirculation mode

  • Winter & Autum - Unoccupied house during winter in Cold Climate

  • Spring & Summer - High humidity level

  • Spring & Summer - No water in drain plastic tubing (HRV units only)

  • Spring & Summer - Recirculation mode for HRV