How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
How do I find the age of an Oxbox air conditioner or heat pump from the serial number?
Wednesday, October 12, 2022
The first two numbers in the serial number of an Oxbox unit is the year of manufacture. For example, 213251638J would mean manufacture in 2021.
To determine the size in tons of your Oxbox unit, see our blog post How do I find the size in tons of an Oxbox air conditioner or heat pump from the serial number? For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?
To determine other key specs of your HVAC system, see one of these other blog posts:
• How can I find out the SEER of my air conditioner?
• How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump?
To learn more about heating and air conditioning systems, see these other blog posts:
• My air conditioner won't turn on. What's wrong?
• How can I find out the size of my air conditioner?
• Where is the air filter for my central air conditioner and furnace? I can’t find it?
• Does an old air conditioner use more electricity as it ages?
• How did homes stay cool in Florida before air conditioning?
• What is wrong with an air conditioner when the air flow out of the vents is low?
• Why has the thermostat screen gone blank?
• Why does it take so long to cool a house when an air conditioner has been off for a while?
• Why is my air conditioner not cooling enough?
• What are the most common problems with wall/window air conditioners?
• Will closing doors reduce my heating and cooling costs?
Visit our HEATING AND AIR CONDITIONING page for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles.
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