York TM9X Furnace Overview

The TM9X is a discontinued furnace which had a 95.5% AFUE rating as well as the Energy Star seal. The compact 33-inch cabinet fit in most spaces and the unit had a standard fan motor with a single-stage burner as well as multi-position configuration.

The TM9X also provided a more effective air distribution thanks to the advance blower motor. The furnace models earned the Good Housekeeping seal which represents trust and quality. The TM9X was part of the York LX series.

Furnace Filters for the York TM9X

Air Flow Configuration Cabinet Width Filter Size(s)
All 17.5″ Two 16x25x1s
All 21″ 16x25x1
All 24.5″ Two 16x25x1s

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Consumer Reviews of York TM9X


  • Very Satisfied
  • Somewhat Satisfied
  • Neutral
  • Somewhat Unsatisfied
  • Very Unsatisfied
  • #8 of 20 York Furnace
  • 57.14% of customers recommended

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York TM9X Furnace Reviews

Showing 6-7 of 7 reviews

"Leaking Coil"

1.0 rating
Very Unsatisfied

Had a York furnace and air conditioning unit installed May 2010. First summer all went well. Start of 2011 summer, air conditioning unit would freeze up and shut off. Found out there was a leak in the system. HVAC tech added coolant and back to business for the remainder of year. Start of 2012, everything’s fine until came home during hottest part of summer and found water (condensation) pouring down the front of my gas furnace. Called HVAC tech and was told the coil has leak which York is known for having problems with the coil. Added more coolant to finish out summer and had new coil and new air conditioning compressor installed this month (April 2013). Was told parts covered by York under warranty but labor for repairs is on the customer. I paid $6,000 for my new system and here I am covering the labor costs for repairs to be made because of their defective parts. Finally, the housing unit to the air conditioning compressor vibrates when the system shuts off, which all my neighbors get to hear! Nice quiet unit..NOT! Very unsatisfied with this product. Should have researched more instead of taking the word of my HVAC tech that York is a good product.


"Failed less than two years"

1.0 rating
Very Unsatisfied

After one year of operation the furnace stopped heating. Luckily we were at home and it happened during summer in Seattle. We need to heat the house during night time even in August. I don’t want to think what if this happened during winter when we could be away for lengthy period. We called the company that installed it. The technician found a water collector box made from plastic leaking. Since we are over the one year labor warranty, it cost us around 400$. Reading their website, York make the impression that they offer maintenance contract to include parts & labor. I tried to call the number they provide to reach them, 405 3644040, during working hours, there was no response. As the furnace is a complex machine, I wonder how many more bad parts will fail and cost us few more thousands.

Kirkland, WA

Other TM9X Reviews

One person on DIYChatroom commented that the TM9X has an X23 motor which makes this furnace more efficient. In addition the unit has a lower ‘fan only’ speed that is also an advantage.

York TM9X Model Numbers

The TM9X is available in different models which vary in efficiency and capacity.

Model Number AFUE BTUs per Hour
TM9X060B12MP11 95.5 60,000
TM9X080B12MP11 95.5 80,000
TM9X080C16MP11 95.5 80,000
TM9X100C16MP11 95.5 100,000
TM9X100C20MP11 95.5 100,000
TM9X120D20MP11 95.5 120,000

TM9X Warranty

The York TM9X carries the following warranty:

  • 10 year limited warranty on parts
  • Lifetime warranty on the heat exchanger

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