The date of manufacture of a Senville unit is not encoded in the serial number. However, you can call or email their tech support department with the serial number and they will look it up in their database and respond with the manufacture date. The serial number is 22-digits long and printed next to the bar code. Contact them at support@senville.com or (800) 242-4935.

    To determine the size of your Senville system, go to our article How do I determine the size in tons of a Senville heat pump air conditioner from the model number? And forother 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?  

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Field Guide for Home Inspectors, a quick reference for finding the age of 154 brands of HVAC systems, water heaters, and electrical panels, plus 210 code standards for site-built and manufactured homes, and the life expectancy rating of 195 home components. Available at amazon.com for $19.95.
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  To learn more about heating and air conditioning systems, see these other blog posts: 

• Is the energy efficiency of the furnace part of the SEER rating of a central air conditioning system?

• My air conditioner won't turn on. What's wrong? 

• What color should the flame be in a natural gas furnace?

 • Where is the air filter for my central air conditioner and furnace? I can’t find it? 

• What is the minimum slope of a flue connector for a gas furnace or water heater? 

• Does an old air conditioner use more electricity as it ages? 

• How did homes stay cool in Florida before air conditioning? 

• Is a furnace allowed in a bedroom, bathroom, or an adjoining closet?

• 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?  

• Can the return air be in the same room as the gas furnace?

• 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.