Description
2 Ton Merit Single-Stage System – Powerful, Efficient, and Complete Home Comfort
Upgrade your home with the 2 Ton Merit Single-Stage System, a full heating and cooling bundle designed for reliable comfort. This system includes the ML14KC1 air conditioner, ML180E furnace, and horizontal R-454B evaporator coil, creating a fully integrated central air conditioning system. Together, they keep every room in your home comfortable all year long.
SEER2: 16.5
EER2: 13.8
With a SEER2 of 16.5 and EER2 of 13.8, this system saves energy while delivering steady cooling and heating. Each component works seamlessly with the others, providing quiet, efficient performance that homeowners can trust.
Efficient Cooling – ML14KC1 Air Conditioner
The ML14KC1 is a standard-efficiency, single-stage air conditioner. It is ENERGY STAR® Certified and uses R-454B refrigerant, which helps reduce energy costs. Plus, the Quantum™ Coil and durable cabinet ensure long-lasting performance. The single-stage compressor delivers consistent cooling exactly when you need it.
Reliable Heating – ML180E Furnace
The ML180E furnace offers even, efficient heat with an 80% AFUE rating. Its Power Saver™ motor adjusts airflow based on demand, making it quieter and more energy-efficient. When paired with a heat pump, it provides year-round comfort and savings in your heating and air conditioning units.
Durable Horizontal Coil
The R-454B Dedicated Evaporator Coil enhances heat transfer while maintaining quiet operation. Its built-in Refrigerant Detection System adds safety, ensuring your heating & ac system works reliably.
Why Choose This System?
This bundle is perfect for homeowners looking for a complete central air ac unit. It simplifies maintenance, qualifies for federal tax credits, and meets 2025 refrigerant standards. In addition, it’s ideal for anyone searching for heating and air supplies near me.
Key Benefits at a Glance:
✅ Powerful 2 Ton single-stage cooling and heating
✅ SEER2 16.5 and EER2 13.8 for energy efficiency
✅ Quiet and durable components for long-lasting comfort
✅ Affordable bundle with air conditioner, furnace, and horizontal coil
✅ Complete air conditioning systems solution for your home
Air Conditioner Overview
Model #: ML14KC1-024
Product Overview:
Merit® Series | ML14KC1 Air Conditioner – Standard-Efficiency, Future-Ready Cooling
The Merit® Series ML14KC1 is a standard-efficiency, single-stage air conditioner designed for reliable and energy-efficient performance. Because it is compatible with 2025 Compliant Refrigerant, this unit provides consistent comfort while remaining environmentally responsible. As a result, it is an ideal choice for homeowners upgrading their central air conditioning system or air conditioning systems.
Energy Efficiency & Performance
With a 14.30 SEER2 efficiency rating, the ML14KC1 meets or exceeds industry energy standards. In addition, it is ENERGY STAR® Certified, ensuring compliance with federal guidelines for energy-efficient operation. Eligible for the Federal Tax Credit under the Energy Efficient Home Improvement Credit (IRC Section 25C), this unit helps reduce costs while improving home comfort. The high-efficiency outdoor coil enhances heat transfer and reduces air resistance for optimal operation. Furthermore, the single-stage compressor operates at full capacity when needed, delivering dependable cooling for your air conditioners units and heating and air conditioning units.
Quiet & Comfortable Operation
Operating at sound levels as low as 73 dB, the ML14KC1 ensures a quieter home environment. Moreover, the precision-balanced, direct-drive outdoor fan reduces noise while improving product longevity. Therefore, homeowners can enjoy both comfort and quiet performance in their ac and heating system.
Craftsmanship & Reliability
The exclusive Quantum™ Coil, made from proprietary aluminum alloy, is tested to withstand extreme weather conditions for long-lasting performance. In addition, the heavy-gauge, galvanized steel cabinet with louver coil guard, baked-on powder finish, and durable zinc-coated base resists rust and corrosion. Braze-free installation flexibility ensures easy setup with 2025 compliant systems, while built-in drainage holes prevent moisture accumulation. Consequently, this unit provides durable and reliable heating & ac performance.
Safety & Sustainability
The ML14KC1 uses R-454B refrigerant, fully compliant with 2025 EPA lower-GWP standards. In addition, the Refrigerant Detection System (RDS) ensures A2L refrigerant safety compliance by detecting leaks, halting operation, and activating the indoor blower to disperse refrigerant safely. Therefore, users enjoy safe, efficient heating air conditioning performance in their homes.
Complete Cooling System Option
For full year-round comfort, pair the ML14KC1 Air Conditioner with a compatible Lennox® furnace and evaporator coil. This bundle creates a complete heating and cooling systems solution, delivering energy-efficient performance, reliability, and future-ready climate control.
Key Benefits at a Glance
✅ Standard-efficiency air conditioner with 14.30 SEER2
✅ ENERGY STAR® Certified and federal tax credit eligible
✅ Quantum™ Coil engineered for durability and extreme weather
✅ Quiet operation at sound levels as low as 73 dB
✅ Braze-free installation flexibility for 2025 compliant systems
✅ Built-in Refrigerant Detection System for enhanced safety
✅ Bundle option available with furnace and evaporator coil
Product Specifications:
| Brand |
Lennox |
| Catalog Number |
25C87 |
| Model/Part Number |
ML14KC1-024-230 |
| Base Unit of Measure |
Unit(S) |
| Family |
ML14KC1 |
| Series |
Merit |
| Type |
Single-Stage Air Conditioner |
| Nominal Cooling Capacity |
2 Ton |
| Product Voltage |
208-230 VAC 1 Ph 60Hz |
| Product Width |
28.7 Inch |
| Product Height |
37.1 Inch |
| Compressor Type |
1 Stage |
| Number of Compressors |
1 Compressor |
| SEER2 |
Meets or exceeds 14.30 SEER2 |
| Gross Weight |
170.0 Lbs |
| Liquid Line OD |
3/8 Inch |
| Suction Line OD |
3/4 Inch |
| Energy Star Certified |
Yes |
| Refrigerant Type |
R-454B |
| Product Length |
28.7 Inch |
Furnace Overview
Model #: ML180UH045E36A
Order #: 81W21
Product Overview:
Merit® Series | ML180E Gas Furnace – Economical Heating with Power Saver™ Technology
The Merit® Series ML180E is an economical gas furnace designed for reliable comfort and efficient performance. With Lennox’s Power Saver™ constant torque motor, this furnace automatically adjusts airspeed based on demand. As a result, it operates more efficiently than standard motors while delivering consistent airflow throughout your home, making it a dependable solution for heating and air conditioning units.
Energy Efficiency & Performance
This furnace features an 80% AFUE efficiency rating, helping homeowners reduce energy costs while maintaining consistent comfort. Moreover, the Power Saver™ constant torque motor adjusts airflow to match demand, ensuring more efficient operation than traditional single-speed motors. When paired with a Lennox® heat pump, the dual-fuel capability allows the system to seamlessly switch between electricity and gas. Therefore, your heating and cooling systems provide both comfort and energy savings.
Quiet & Comfortable Operation
Thanks to the constant torque motor, airflow is smoother and quieter compared to conventional furnaces. In addition, the furnace ensures even heat distribution throughout your home, minimizing hot and cold spots. Consequently, it delivers reliable, ac and heating performance while keeping every room comfortable year-round.
Craftsmanship & Reliability
Constructed from high-quality steel, the ML180E furnace offers long-lasting durability. It is rigorously tested to endure years of consistent operation, regardless of environmental conditions. Furthermore, Lennox’s commitment to performance ensures your heating & ac system operates efficiently for years to come.
Safety & Sustainability
This furnace meets all industry safety standards for dependable operation. Additionally, dual-fuel capability reduces reliance on fossil fuels when paired with a Lennox® heat pump. As a result, homeowners benefit from a more environmentally friendly solution within their heating air conditioning system.
Affordable Heating & Cooling Bundle Option
For complete year-round comfort, pair the ML180E furnace with a compatible Lennox® air conditioner or heat pump. This bundle creates a fully integrated air conditioning units for homes and heating solution, providing energy-efficient performance in a single, reliable system.
Key Benefits at a Glance
✅ Economical gas furnace with 80% AFUE efficiency
✅ Power Saver™ motor for quieter, more efficient operation
✅ Dual-fuel capable for energy savings with a Lennox® heat pump
✅ Built with durable, high-quality steel
✅ Consistent, even heating for improved home comfort
✅ Affordable bundle option with air conditioner or heat pump available
Product Specifications:
| Brand |
Lennox |
| Catalog Number |
81W21 |
| Model/Part Number |
ML180UH045E36A |
| Base Unit of Measure |
Unit(S) |
| Family |
ML180E |
| Series |
Merit |
| Heating Capacity |
44000 Btuh |
| Heating Efficiency |
80% AFUE |
| Configuration |
Upflow/Horizontal |
| Blower Size |
3 Ton |
| Gas Stages |
1 Stage Heat |
| Blower Type |
Constant Torque |
| Product Voltage |
115 VAC 1 Ph 60 Hz |
| Product Depth |
27.75 Inch |
| Product Width |
14.5 Inch |
| Product Height |
33 Inch |
| Gross Weight |
111 lbs. |
| Type |
1-Stage Constant Torque Horizontal Gas Furnace |
| Energy Star Certified |
No |
California Residents Only
This furnace does not comply with the South Coast Air Quality Management District (SCAQMD) Rule 1111 or the San Joaquin Valley Air Pollution Control District (SJVAPCD) Rule 4905 NOx emission limit of 14 ng/J. It cannot be installed in areas regulated by the SCAQMD or SJVAPCD.
Horizontal Coil
Model #: CK40HT-30A-71
Order #: 25V08
Product Overview:
Merit® Series | R-454B Dedicated Evaporator Coil – Reliable, Efficient, and Future-Ready
The Merit® Series R-454B Dedicated Evaporator Coil is a horizontal, aluminum-cased coil designed for seamless use with the ML14KC1 Air Conditioner and other air conditioning systems that meet 2025 refrigerant requirements. Because it is built for durability and efficiency, it delivers steady performance while aligning with modern EPA and energy standards. As a result, homeowners gain long-lasting comfort and peace of mind.
Energy Efficiency & Performance
This coil is carefully engineered for compatibility with 2025 Compliant Refrigerant (R-454B). In addition, its efficiency rating supports the performance of central air conditioning systems that meet or exceed 14.30 SEER2. Since it is ENERGY STAR® Certified, it not only meets but also exceeds federal guidelines for energy efficiency. Moreover, it qualifies for the Federal Tax Credit under the Energy Efficient Home Improvement Credit (IRC Section 25C). Finally, the high-efficiency outdoor coil is built to enhance heat transfer while also reducing air resistance, making it ideal for hvac system upgrades.
Quiet & Comfortable Operation
When paired with ML14KC1 air conditioners units, the Merit® Series coil ensures quiet operation with sound levels as low as 73 dB. Furthermore, it uses a precision-balanced, direct-drive outdoor fan that reduces noise while extending the system’s lifespan. Consequently, homeowners enjoy steady comfort without unnecessary distractions.
Craftsmanship & Reliability
The coil includes the exclusive Lennox Quantum™ Coil, made with a specialized aluminum alloy tested to endure the harshest environments. Along with this, the cabinet features heavy-gauge galvanized steel, a louver coil guard, a zinc-coated base, and a baked-on powder finish to provide excellent corrosion resistance. In addition, the braze-free installation design allows for flexible placement in heating and cooling systems, especially those prepared for 2025 standards. Built-in drainage holes also prevent moisture buildup, which means greater long-term reliability for your ac heating setup.
Safety & Sustainability
This evaporator coil uses R-454B refrigerant, which is fully compliant with upcoming EPA low-GWP requirements. At the same time, the built-in Refrigerant Detection System (RDS) ensures A2L refrigerant safety compliance by automatically stopping operation and dispersing leaks when needed. Therefore, users gain an added layer of protection while enjoying efficient heating air conditioning performance.
Complete Cooling System Option
For the best results, pair the R-454B Dedicated Evaporator Coil with the Merit® Series ML14KC1 Air Conditioner. Together, they create a complete ac and heating solution that maximizes energy savings while keeping homes comfortable year-round. In addition, this setup ensures compliance with future refrigerant standards, making it a smart investment for homeowners upgrading their heating and air conditioning units.
Key Benefits at a Glance
✅ Horizontal, aluminum-cased evaporator coil compatible with 2025 refrigerants
✅ ENERGY STAR® Certified and eligible for federal tax credit
✅ Quantum™ Coil engineered for durability and performance
✅ Quiet operation when paired with ML14KC1 systems
✅ Flexible braze-free installation design
✅ Built-in Refrigerant Detection System for enhanced safety
✅ Future-ready with R-454B lower-GWP refrigerant compliance
Product Specifications:
| Brand |
Lennox |
| Catalog Number |
25V08 |
| Model/Part Number |
CK40HT-30A-71 |
| Base Unit of Measure |
Unit(S) |
| Family |
CK40HT |
| Configuration |
Horizontal |
| Nominal Cooling Capacity |
2.5 Ton |
| Metering Device |
TXV (R454B) |
| Product Depth |
21.5 Inch |
| Product Width |
31.5 Inch |
| Product Height |
14.5 Inch |
| Cased |
Cased |
| Material Type |
Aluminum |
| Type |
R-454B Dedicated Evaporator Coil |
| Color |
Lennox Gray |
| Gross Weight |
56 Lbs |
| Suction Line OD |
7/8 Inch |
| Liquid Line OD |
3/8 Inch |
| Refrigerant Type |
R-454B |
Documents
Air Conditioner Documents:
Installation Instructions
Furnace Documents:
Installation Instructions
Service & Application Notes
Horizontal Coil Documents:
Installation Instructions
