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Trane Gas furnace L9X1 95 Single-Stage Ultra-Low NOx Gas Furnace

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Technical Specifications

Product Specs

  • Efficiency family: 95 single-stage ultra-low NOx gas furnace
  • Heating and airflow: single-stage operation with constant-torque ECM blower motor
  • Listed model family: L9X1A050U3VS, L9X1B070U4VS, and L9X1C100U5VS
  • Published cabinet dimensions: 34.5 in. height, 28 in. depth, and model-dependent width
  • Core components: less than 2% cabinet air leakage, fully insulated cabinet, stainless steel secondary heat exchanger, heavy-gauge cabinet, and compatibility with single- and two-stage air conditioning units
  • Former product name: L9X1 Ultra-Low NOx Gas Furnace
  • Brand: Trane
  • Model or series: L9X1 95 Single-Stage Ultra-Low NOx Gas Furnace
  • Equipment type: Gas furnace
  • Product group: Furnaces
  • System role: Forced-air heating appliance for a ducted HVAC system
  • Application: Residential, light-commercial, or managed-property comfort applications
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: trane.com

Service planning

How GreenFlow handles L9X1 95 Single-Stage Ultra-Low NOx Gas Furnace requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Additional Services

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Our Happy Customers

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Aniket G.

We used Andrey to replace the HVAC system. He was quick, efficient and knew what he was doing. I would surely recommend him.

Paul R.

Was able to get them to come immediately to fix our heaters since it stopped working and it was very cold outside. I needed a second opinion in the accurately diagnosed and resolved the issue within 15 minutes and restored heat. He provided clear diagnosis that made way...

Sheila Z.

My air conditioning died on one of the hottest days. I found green solutions online call them and within a few hours they were out to my house to figure out the problem. They came back the next day at 7 AM to fix it. All was good...

Julia

Our furnace was leaking due to the drain pipe being clogged. Andrey came out within a couple of hours of submitting a request via Thumbtack. He cleaned it out within 15 minutes and was on his way Price was reasonable for the job. Some other companies had a...

Baran O.

Fast response, punctual, resolved the issue quickly. Thank you

Murali S.

HVAC technician was punctual, followed up well, completed quick repairs, ensured the issue was resolved, and provided helpful recommendations.

Megan S.

Great service - my air conditioning failed after hours on a Sunday. I could schedule the appointment online for Monday morning and the technician quickly diagnosed the problem and fixed it. Super helpful- will use them again!

Yakov S.

I had an excellent experience with Green Flow, they were available to replace my dead central A/C unit on a short notice, and the price was thousands of dollars less than what I got quoted by two other companies. I would definitely use them again.

Angela B.

I have used Green Flow solutions several times now for my HVAC needs and they have earned my trust! Always quick to schedule and repair things. Andrey is always pleasant to work with. I appreciate that they give honest recommendations and don’t try to upsell to the most...

Karina D.

Fast response, great communication, reliable quality - great overall experience!

Josh M.

Timely and friendly service, highly recommended.