The Lennox Merit ML180E K‑Series Gas Furnace delivers reliable, energy‑efficient heating performance for homeowners seeking comfort, durability, and long‑term value. Engineered for Chicago‑area weather, this 80% AFUE furnace provides consistent warmth with a 35,000 BTU output — ideal for smaller homes, condos, and multi‑unit properties.
Built with Lennox’s trusted engineering, the ML180E features a constant‑torque ECM motor that improves airflow, reduces energy consumption, and enhances overall system efficiency. Its single‑stage heating ensures dependable performance during cold weather, while the up-flow configuration allows flexible installation in basements, closets, or mechanical rooms.
Key Features
- Overview
- Key Features
- Specifications
- Installation
- Why Choose D’s Air
- Contact info
- 80% AFUE efficiency for dependable, cost‑effective heating
- 35,000 BTU output ideal for compact and mid‑size spaces
- Constant‑torque ECM motor for improved airflow and lower energy use
- Single‑stage heating for consistent, reliable performance
- Up-flow configuration for flexible installation
- Quiet operation with durable Lennox components
- Compatible with modern thermostats and indoor air quality accessories
- Backed by professional installation from D’s Air & Heating, Inc.
Specifications 
| Attribute | Details |
|---|---|
| Model Number | ML180UH045XE36A |
| Heating Output | 35,000 BTU |
| AFUE Rating | 80% |
| Configuration | Up-flow |
| Motor Type | Constant‑Torque ECM |
| Stages | Single‑Stage |
| Fuel Type | Natural Gas |
| Brand | Lennox |
| Application | Residential Heating |
Professional Installation by D’s Air & Heating, Inc.
Our certified HVAC technicians ensure your new Lennox furnace is installed safely, efficiently, and according to manufacturer specifications. We handle:
- Proper venting and airflow setup
- Gas line and electrical connections
- Thermostat compatibility
- System testing and calibration
- Warranty registration
- Removal of old equipment
We serve Chicago and surrounding suburbs with fast, reliable service.
Why Choose D’s Air & Heating, Inc.?
- Over 20 years of HVAC expertise
- Licensed, bonded, and insured
- Transparent pricing
- High‑quality workmanship
- Local Chicago service
- Financing options available
Call to Schedule Installation
Ready to upgrade your home heating? Contact D’s Air & Heating, Inc. today for installation pricing and scheduling.
📞 773-940-0965
🕒 Same‑day and next‑day appointments available