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How old is my Viessmann heat pump?
Check the rating label of your Viessmann heat pump for the serial number and any printed manufacture date. Enter the details or a label photo to check supported date formats, typical service life and available recall notices.
Check your Viessmann heat pump
- Find the rating label: On heat pumps the rating label is normally on the outer casing of the outdoor unit; Viessmann's locator does not cover heat pumps.
- Take a photo of the whole label, or note the model and serial numbers.
- Check it on Appliance Age. It is free, and no account is needed.
Where is the serial number on a Viessmann heat pump?
On heat pumps the rating label is normally on the outer casing of the outdoor unit; Viessmann's locator does not cover heat pumps.
Keep the model, serial and any separate production code or printed date together. Not every serial number contains a publicly decodable date.
Viessmann’s guide to finding the model and serial numberChecking the manufacture date
Use the format that belongs to this product family. A printed production date, a supported serial code or manufacturer confirmation can establish the age. Repeating year codes may leave more than one possible year; a model-series introduction date helps narrow the range but does not date your individual unit.
How long does a Viessmann heat pump last?
Heat Pumps typically last 10 to 15 years. Use, water quality and maintenance matter more than the brand. Clean indoor filters monthly in heavy use and keep snow and ice clear of the outdoor unit.
More about heat pumpsENERGY STAR certified Viessmann heat pumps
67 Viessmann models are currently ENERGY STAR certified. The certified models went on the market between 2018 and 2026. An older Viessmann heat pump may use more energy than today's certified models.
Compare models on ENERGY STARSource: ENERGY STAR open data, 2026-10-08.
Viessmann heat pump parts
Parts that wear out most often on heat pumps:
- Run capacitor
- Contactor
- Condenser fan motor
- Air filter
- Thermostat
Have the model number from the rating label ready so the parts fit.
Viessmann official partsViessmann heat pump recalls
Every Viessmann check is compared with Health Canada, U.S. CPSC and U.S. NHTSA recall notices.
Search Viessmann heat pump recall noticesQuestions
- How do I find out how old my Viessmann heat pump is?
- Find the rating label (On heat pumps the rating label is normally on the outer casing of the outdoor unit; Viessmann's locator does not cover heat pumps), then enter the serial number or a photo of the label on Appliance Age. It checks supported serial date codes or a printed date for you, free; some formats need more information.
- Where is the serial number on a Viessmann heat pump?
- On heat pumps the rating label is normally on the outer casing of the outdoor unit; Viessmann's locator does not cover heat pumps.
- Can I tell how old my Viessmann heat pump is by the model number?
- The model number tells you which model it is, not when your unit was made. Look for a manufacture date or a supported date code in the serial number, printed next to the model number on the same label.
- Can I decode a Viessmann serial number myself?
- Some Viessmann product families have serial date codes, while others need a printed date or manufacturer confirmation. Repeated year codes can produce multiple candidate years; the model and original documents help resolve them.
- How long does a Viessmann heat pump last?
- Heat Pumps typically last 10 to 15 years with normal use and maintenance.
- Where can I get Viessmann heat pump parts?
- From Viessmann's official parts store, or an appliance parts retailer. Have the model number from the rating label ready.
Other Viessmann appliances
Compare appliances and find parts
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