Definition of Intermittent Ignition Device (IID)

In a rush? Call us 844-262-5082

Updated on

Intermittent Ignition Device (IID)

IIDs are linked to a furnace or boiler’s thermostat and light the pilot by means of a spark or other heat source when needed. IIDs are more fuel-efficient than the traditional approach of maintaining a continuously burning pilot flame.

Best Heating & Cooling Products

See ratings and reviews for the best in furnaces, air conditioners, heat pumps, boilers and more.

Air Conditioners Air Conditioners Heat Pumps Heat Pumps Furnaces Furnaces

HVAC Brands

Learn more about your home's heating and cooling system with our guides, how-to's, FAQ's, tips and more.

Trane American Standard Lennox Carrier Goodman
View All HVAC Brands
[ignite_lead_form format="modal"]

Ready to get a quote from an HVAC contractor?

Let us know what type of service you need and we can connect you with a certified local HVAC contractor. [/ignite_lead_form]
[ignite_lead_form format="footer"]

Ready to get a quote from an HVAC contractor?

Let us know what type of service you need and we can connect you with a certified local HVAC contractor. [/ignite_lead_form]

HVAC Trusted Dealers

  • Trane U.S. Inc.
  • American Standard Heating & Air Conditioning