How old is my Miller?
A serial number alone may not establish the age of your Miller equipment. Look for a manufacture date on the rating label, then check original documents or contact the manufacturer if the date is missing.
We recognize Miller. We’re still building its age decoder.
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- Find the rating label. Where to look on each kind of appliance.
- Take a photo of the whole label, or note the model and serial numbers.
- Use the lookup below. It is free, and no account is needed. A date is shown only when the available evidence supports it.
Miller appliances
How to find the age, the serial number, typical life and parts for each:
Miller is known mainly for compact gas and electric furnaces built for manufactured and mobile homes, along with matching air conditioners and heat pumps; it is not listed among Nordyne's main brands today, and current availability was not confirmed.
About Miller
Miller is a furnace and HVAC brand used mainly in manufactured (mobile) homes. It is made by Nordyne of O'Fallon, Missouri, the business long known as Nortek Global HVAC, which became part of Rheem in 2025. Nordyne presents Miller, along with its sister brand Intertherm, as one of its main brands for manufactured housing.
Nordyne (formerly Nortek Global HVAC), now part of Rheem
- Owned by
- Rheem (through Nordyne, formerly Nortek Global HVAC; acquired 2025)
- Headquarters
- O'Fallon, Missouri, USA
Sister brands: Intertherm, Nordyne, Maytag (HVAC), Frigidaire (HVAC), Gibson (HVAC), Rheem.
Miller history
- 1919: Nordyne, the company that now makes Miller equipment, was founded in St. Louis as the International Oil Heating Company.
- 2021: Nortek, the parent company at the time, was acquired by Madison Industries.
- 2022: The HVAC business relaunched as Nortek Global HVAC (NGH).
- 2025: Rheem acquired the business, which now operates as Nordyne.
Miller recalls
We do not have recall coverage for Miller yet. Search our indexed notices and confirm with the manufacturer.
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