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Style 1:

The Date of Manufacture is in the second through fourth digits of the serial number and represent the month and year of production:



W 0 K 5 896090

K (Month) September

0, 5  (Year) Combine the Digits = 2005 (USE MONTHLY CHART BELOW)


Style 2:

The Date of Manufacture is in the second and third digits of the serial number and represent the month and year of production:



W A K M011479

A (Month) January

K (Year) 1980 or 2001


A January                   G July

B February                  H August

C March                      K September

D April                         L October

E May                          M November

F June                         N December


A 1971 or 1992

B 1972 or 1993

C 1973 or 1994

D 1974 or 1995

E 1975 or 1996

F 1976 or 1997

G 1977 or 1998

H 1978 or 1999

J 1979 or 2000

K 1980 or 2001

L 1981 or 2002

M 1982 or 2003

N 1983 or 2004

P 1984

R 1985

S 1986

T 1987

V 1988

W 1989

X 1990

Y 1991

York is a well-known brand in the HVAC industry, recognized for its reliable and energy-efficient air conditioning systems. Here are key points about York air conditioning:

1. **History and Reputation**:
   - York has a long history dating back to 1874 and has established itself as a leader in heating, ventilation, air conditioning, and refrigeration (HVAC&R) solutions.
   - The brand is known for its commitment to quality, innovation, and customer satisfaction.

2. **Product Range**:
   - York offers a comprehensive range of air conditioning systems, including central air conditioners, heat pumps, ductless mini-split systems, and packaged units.
   - Their products cater to both residential and commercial markets, providing solutions for various cooling needs and building sizes.

3. **Energy Efficiency**:
   - York air conditioners are designed with energy efficiency in mind, with many models featuring high Seasonal Energy Efficiency Ratio (SEER) ratings.
   - Some of their top models offer SEER ratings up to 20, which help reduce energy consumption and lower utility bills.

4. **Features and Technology**:
   - York incorporates advanced technology in their air conditioning systems, such as variable-speed compressors, which provide enhanced comfort, precise temperature control, and improved energy efficiency.
   - Many York units include features like QuietDrive™ System, optimizing fan speeds to reduce noise levels and enhance indoor comfort.
   - Their systems may also include advanced filtration options for improved indoor air quality.

5. **Warranty**:
   - York typically offers a 10-year limited warranty on parts for many of their air conditioning units, ensuring peace of mind and protection for homeowners.
   - Extended warranties and additional coverage options may be available through authorized dealers, providing added assurance.

6. **Manufacturing and Support**:
   - York products are manufactured with a focus on quality, reliability, and durability, utilizing advanced manufacturing processes and stringent quality control standards.
   - The brand has a network of certified dealers and service technicians worldwide, offering professional installation, maintenance, and support services to ensure optimal performance and customer satisfaction.

7. **Innovation and Sustainability**:
   - York is committed to innovation and sustainability, focusing on eco-friendly refrigerants and energy-efficient technologies to minimize environmental impact.
   - They continue to invest in research and development to introduce new technologies that enhance energy efficiency and overall system performance.

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