How to Tell the Age of My Day & Night AC Unit?

Whether you’ve just moved into a new Northwestern home and are navigating all the unfamiliar systems, or you’ve been settled in for years and your HVAC system has been running longer than you’ve lived there, it’s important to understand the age of your AC unit. 

Your Day & Night air conditioner may have served you well, but its efficiency can decrease as it ages, and it may need more frequent repairs or even a replacement. Knowing how old your unit is can help you make informed decisions about its care and whether it’s time for a tune-up, repair, or a full replacement. 

Day & Night will walk you through the steps to determine the age of your AC unit. This will allow you to plan ahead and ensure your home stays cool and comfortable for years to come.

4 Ways to Tell How Old Your AC Unit Is

Here’s how to easily tell the age of your Day & Night air conditioning unit.

1. Locate the Model and Serial Number

The most straightforward way to find out the age of your Day & Night air conditioning unit is by checking the model and serial number. These numbers are usually located on a metal plate or sticker on the side or inside the unit’s access panel. 

Depending on the design of your AC unit, you might find this information on the side, near the bottom, or even on the top.

While the exact format might differ depending on the model and the year it was built, here is a general guide on how to interpret it:

• First Two Digits: The first two digits usually represent the year of manufacture. For example, if the serial number begins with “14,” this means the unit was made in 2014.
• Next Two Digits: The following two digits often represent the week of manufacture within that year. For example, if the serial number reads “1425,” the unit would have been made in the 25th week of 2014.

2. Check the Warranty Information

Another way to estimate the age of your Day & Night AC unit is by reviewing the warranty documentation. Day & Night typically offers warranties ranging from 5 to 10 years, depending on the specific model and the type of installation. 

The warranty period starts from the installation date, so if you still have the paperwork from your initial purchase, check the start date to get its general age.

If you misplace the warranty documents, you can usually find the original warranty terms on the manufacturer’s website or by contacting a local Day & Night dealer. They can often help you figure out when your unit was installed and what the remaining coverage might be.

3. Inspect the Efficiency and Performance

Even if you can’t find the exact manufacturing date, the performance and efficiency of your AC unit can provide clues about its age. 

• Newer models are more energy-efficient, featuring new SEER2 (Seasonal Energy Efficiency Ratio 2) ratings. 
• If your Day & Night air conditioner uses a refrigerant type like R-22, which was phased out in 2020, it clearly indicates that your unit is older.
• An older unit may also show signs of frequent breakdowns, increased energy consumption, or difficulty keeping your home at the desired temperature.

4. Seek Professional Help for Confirmation

If you’re having trouble determining the age of your Day & Night AC unit or if you’d like a professional opinion on the condition of your system, it’s a good idea to schedule an inspection with an authorized Day & Night dealer. 

They can inspect your unit, provide an accurate assessment of its age, and give you guidance on whether it’s time for a replacement or if you’ll get a few more years from your system.

An HVAC technician can also provide information on your unit’s expected lifespan and offer options for energy-efficient replacements if necessary. If your unit is still under warranty, they can also help you determine if any repairs are covered.

How Long Should Your Day & Night AC Unit Last?

Typically, Day & Night AC units last between 15 and 20 years, depending on factors such as the model, maintenance history, usage, and climate. Regular maintenance, such as cleaning filters, inspecting refrigerant levels, and checking the overall system performance, can help extend the life of your AC unit. 

If your system is nearing the 15-year mark, it’s important to start considering replacement options, especially if you’ve noticed any decline in performance.

Find a Day & Night Dealer for AC Services

Knowing the age of your Day & Night AC unit can help you make informed decisions about its maintenance, repair, or replacement. Whether you decode the serial number, review your warranty information, or inspect the unit’s performance, understanding the age will allow you to plan for the future. 

If your unit is getting older and showing signs of inefficiency, it may be time to consult a professional to explore your options.

When you’re ready to replace your AC unit or need professional advice, don’t hesitate to Find a Dealer near you. An authorized Day & Night dealer can provide expert service and help you select the best solution for your home comfort needs. Day & Night has an expansive network in the Northwestern U.S., covering Idaho, Montana, Oregon, and Washington.