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Determine the age of your Heater, Air-Conditioner and Water Heater.

Service Equipment such as Heaters, Air-Conditioners and Water Heaters all have an expected service life. Although the actual service life depends on factors including quality of construction, maintenance and environmental conditions; Consistent with industry standards the expected service life is as follows:

Central air-conditioning unit 12-15 years

Gas furnaces 15-20 years

Electric furnaces 20-30 years

Hot water heaters 5-12 years

How can you determine the age of HVAC and Water Heaters?

Look up the manufactured date of your unit using to determine how many year you can expect to get out of it before having to repair or replace.


Take a picture of the unit's identification tag with will include the serial number and identify the brand of the unit.

Here’s how to do it:

  1. Go to:

  2. Select HVAC or Water Heater

  3. Scroll down and select the first letter of the brand name. M for "Maytag".

  4. Select the Brand Name from the list.

  5. Compare your unit's serial number to the styles of serial number listed to age your unit.

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