Coleman HVACJohnson Controls

Coleman HVAC Age Lookup

Find the manufacture year of any Coleman AC, heat pump, or furnace. Same serial format as York.

Air ConditionerHeat PumpFurnacePackage Unit

Enter Serial Number

How to decode the serial number

Coleman HVAC equipment is manufactured by Johnson Controls alongside York, Luxaire, and Guardian. All use the same letter-based year-month serial format.

2004 to Present

First letter = year code, second letter = month code.

WEMA123456

Position	Meaning	Example
1	Year code — See York year table	W
2	Month code — A=Jan through L=Dec	E
3+	Sequence — Ignore	MA123456

Use the same year and month tables as York.

Year Code Table (same as York)

Letters I, O, Q, U, Z skipped.

D2004

E2005

F2006

G2007

H2008

J2009

K2010

L2011

M2012

N2013

P2014

R2015

S2016

T2017

V2018

W2019

X2020

Y2021

A2022

B2023

C2024

Month Code

Second letter of serial number.

A=January, B=February, C=March, D=April, E=May, F=June, G=July, H=August, I=September, J=October, K=November, L=December

ABCDEFGHIJKL

Where to find the serial number

Data plate on side panel of outdoor unit or inside furnace cabinet.

Decoded examples

SHLB789012

→ 2016, August

S = 2016, H = August

Life expectancy

Expected lifespan: 15–18 years. Coleman HVAC (not related to Coleman outdoor gear) is a solid mid-tier brand.

Common questions

No. Coleman HVAC is a brand of Johnson Controls and has no connection to Coleman Company (the camping gear manufacturer). Coleman HVAC is manufactured at the same Johnson Controls facilities as York and Luxaire.

Same as York — first letter is the year code (see table), second letter is the month. Example: WE = May 2019.

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