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How can I tell the age of a Payne air conditioner or heat pump from the serial number?
Payne Furnace Serial Number Decoder
- Welcome to Technical Hot and Cold's Carrier replacement parts website. Here you can find Carrier parts for your heating and cooling needs. Technical Hot and Cold has been in heating and cooling since 1991 and first released their parts website, technicalhotandcoldparts.com in 2011.
- Ducane: uses two different formats on serial numbers. All of our serial numbers are ten characters. The most common format is all ten characters are numeric. In this format the last 4 numbers indicate the year and the week of the year. An example is your serial number where the 03 is 2003 and the 20 is the 20th week of the year (2002.
Friday, April 19, 2019
The third and fourth numbers in the serial number on the data plate are the year of manufacture for Payne, so the one shown below is from 2008. This format has been used from the mid-1980s to the present.
The more recent Payne units we have seen don’t require you to know which numbers are the year of manufacture. Some of them, like the one below, state it clearly at the bottom of the data plate.
![1233372 1233372](/uploads/1/1/9/8/119846655/685452219.jpg)
To determine the size of a Payne system in tons, see our blog post How many tons is my Payne air conditioner or heat pump?For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
To learn more about heating and air conditioning systems, see these other blog posts:
• How can I find out the SEER of my air conditioner?
• My air conditioner won't turn on. What's wrong?
• How can I find out the size of my air conditioner?
• How can I find out the age of my air conditioner or furnace?
• How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump?
• 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?
![Furnace Furnace](/uploads/1/1/9/8/119846655/673280514.jpg)
• 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 ourHEATING AND AIR CONDITIONING page for other related blog posts on this subject, or go to theINDEXfor a complete listing of all our articles.
<< Are soffit/eave vents required by code for attic ventilation? | Recent Blogs | How many tons is my Payne air conditioner or heat pump? >>
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How can I tell the age of a Unitary Products air conditioner or heat pump from the serial number?
Saturday, April 20, 2019
There are two different serial number formats for Unitary Products. Up until 2004, the third letter of the serial number was used to denote year of manufacture by the letter code below:
A = 1971, 1992. B = 1972, 1993
C = 1973, 1994. D = 1974, 1995
E = 1975, 1996. F = 1976, 1997
G = 1977, 1998. H = 1978, 1999
J = 1979, 2000. K = 1980, 2001
L = 1981, 2002 M = 1982, 2003
N = 1983, 2004 P = 1984
R = 1985 S = 1986 T = 1987
V = 1988. W = 1989. X = 1990
Y = 1991
C = 1973, 1994. D = 1974, 1995
E = 1975, 1996. F = 1976, 1997
G = 1977, 1998. H = 1978, 1999
J = 1979, 2000. K = 1980, 2001
L = 1981, 2002 M = 1982, 2003
N = 1983, 2004 P = 1984
R = 1985 S = 1986 T = 1987
V = 1988. W = 1989. X = 1990
Y = 1991
So the serial number below indicates that it was manufactured in 1996, based on condition of the unit.
From 2004 to the present, the first two numbers in the serial number, located at the second and fourth characters, are the year of manufacture. So this serial number shows that it was manufactured in 2009.
To determine the size in tons of a Unitary Products system, see our blog post How many tons is my Unitary Products air conditioner or heat pump?For the age of another brand or manufacturer, go to our blog post How do I determine the age of my air conditioner?
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
To learn more about heating and air conditioning systems, see these other blog posts:
• How can I find out the SEER of my air conditioner?
• My air conditioner won't turn on. What's wrong?
• How can I find out the size of my air conditioner?
Serial Number Lookup For Guns
• How can I find out the age of my air conditioner or furnace?
• How can I tell whether the condenser (outdoor unit) is an air conditioner or heat pump?
• 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?
Payne Serial Number 1204x53939
• 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 theINDEXfor a complete listing of all our articles.
<< What causes drywall cracks in the ceilings and walls of a house? | Recent Blogs | How many tons is my Unitary Products air conditioner or heat pump? >>
How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manfuactured and modular homes
Click Below
Payne Furnace Serial Number Lookup 1233372
for Links
to Collections
of Blog Posts
by Subject
Payne Furnace Serial Number Lookup Engine
Top 5 results given instantly.
Click on magnifying glass
for all search results.