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5 Ton – Two-Stage All Electric System

Original price was: $12,590.00.Current price is: $12,392.00.

5 Ton – 2 Stage Merit All Electric System

Upgrade your home comfort with the 5 Ton Elite All-Electric HVAC System — engineered for quiet performance, year-round efficiency, and lasting reliability. This modern, energy-saving system delivers powerful heating and cooling while meeting 2025 R-454B refrigerant standards.

Key Benefits

Energy Efficient: Save money with up to 14.7 SEER2 and 11.2 EER2 performance
Whisper-Quiet Operation: Enjoy consistent comfort with minimal noise
Future-Ready Refrigerant: Uses R-454B for cleaner, eco-friendly operation
Variable-Speed Comfort: Smooth, even airflow for perfect indoor balance
Free Professional Installation: Expert setup included by Temperature Pros Dallas

Experience the perfect blend of comfort, efficiency, and peace of mind — all in one high-performance all-electric HVAC system built to last.

AHRI#: 216050228

Free Installation With Purchase

9 in stock

Description

5 Ton Two Stage All-Electric HVAC System Bundle | Merit® Series

High-Efficiency, Quiet, and R-454B Ready

The 5 Ton Elite All-Electric HVAC System from Temperature Pros in Dallas, TX is designed for comfort, efficiency, and durability. It provides powerful heating and cooling with whisper-quiet operation, all while using the next-generation R-454B refrigerant that meets 2025 EPA standards. With professional installation included, this system is the complete, worry-free solution for your home.

SEER2: 14.7

SEER2-score-scale-system-quality-score-temperature-pros-dallas-tx-north-texas-hvac-company-near-me

EER2: 11.2

EER2-score-scale-system-quality-score-temperature-pros-dallas-tx-north-texas-hvac-company-near-me


⚙️ System Efficiency Ratings

This high-performance system is designed to reduce energy consumption while maintaining steady indoor temperatures. Its efficiency ratings include:

  • SEER2: 14.7

  • EER2: 11.2

By providing precise airflow and energy-smart operation, the system lowers utility bills and keeps your home comfortable all year long.


❄️ Air Conditioner: Merit® Series ML17KC2

The Lennox® ML17KC2 Air Conditioner delivers dependable, two-stage cooling. It combines durability, quiet operation, and energy efficiency for reliable comfort in any climate. The outdoor coil is engineered to maximize heat transfer while minimizing airflow resistance. Additionally, it operates as low as 73 dB, ensuring a peaceful indoor environment.

Crafted with the Quantum™ Coil, made from corrosion-resistant aluminum, the unit’s heavy-gauge steel cabinet with powder-coated finish protects against rust and corrosion. The system also supports braze-free installation, simplifying setup and maintenance. For safety, it includes a Refrigerant Detection System (RDS) to detect leaks and ensure safe operation with R-454B refrigerant.


🔥 Heat Kit: Model #ECB45-20CB

The Lennox® ECB45 Electric Heat Kit delivers fast, efficient electric heating. It is designed for field installation inside the air handler cabinet and comes in multiple voltage and kilowatt configurations to suit your system. Helix-wound nichrome heating elements provide immediate heat transfer, while built-in limit controls and a thermal cutoff switch prevent overheating.

Constructed from heavy-gauge galvanized steel, the heat kit is delivered pre-assembled and pre-wired for easy installation. Circuit breaker models include built-in overload and short-circuit protection, eliminating the need for a separate disconnect in most areas, while manual reset functionality ensures safe operation.


🌬️ Air Handler: Model #CBK45UHVT-060-71

The Lennox Merit® Series CBK45UHVT Air Handler provides variable-speed airflow for consistent comfort. Its all-aluminum Quantum™ Coil resists corrosion and delivers excellent heat transfer with minimal airflow resistance. The variable-speed blower motor ensures smooth, energy-efficient operation and helps prevent hot or cold spots.

The fully insulated cabinet reduces noise and prevents condensation in humid conditions, while the antimicrobial drain pan protects against mold, mildew, and clogs, improving indoor air quality. Factory-ready for R-454B refrigerant, it includes a built-in Refrigerant Detection System for added safety. Optional ECB45 electric heat strips allow for supplemental heating when needed, completing a full, high-efficiency HVAC system.


Main Benefits of the 5 Ton Elite All-Electric HVAC System

  • Energy Efficient: Reduces energy bills with up to 14.7 SEER2 / 11.2 EER2 performance

  • Quiet Performance: Variable-speed operation ensures peaceful home comfort

  • Eco-Friendly Design: Uses R-454B refrigerant, compliant with 2025 regulations

  • Enhanced Safety: Built-in Refrigerant Detection System protects your home

  • Free Installation: Professional setup included by Temperature Pros Dallas

Air Conditioner Overview

Model #: ML17KC2-060
Lennox Logo – Lennox Graphics

Product Overview – Reliable, Affordable Cooling Made Easy

The Merit® Series ML17KC2 Air Conditioner delivers affordable comfort without compromising performance. With mid-efficiency, two-stage cooling, this ENERGY STAR® certified unit keeps your home consistently cool while helping you save on energy bills. Plus, it’s built to handle the future, running on 2025 compliant R-454B refrigerant for eco-friendly cooling that lasts.


Energy Efficiency That Saves You Money

  • Up to 17.00 SEER2 efficiency rating lowers your monthly utility costs

  • ENERGY STAR® Certified – proven to meet strict energy-saving standards

  • High-efficiency outdoor coil improves heat transfer and performance

  • Perfect for affordable AC bundles that give you more value for less


Quiet & Comfortable Operation

  • Operates as low as 73 dB – enjoy whisper-quiet cooling indoors

  • Two-stage technology prevents big temperature swings

  • Precision-balanced fan reduces vibration for smoother operation


Built for Durability & Long-Term Value

  • Quantum™ Coil Technology – corrosion-resistant Lennox aluminum alloy for long-lasting reliability

  • Heavy-duty steel cabinet with rust-resistant finish extends system life

  • Braze-free installation compatibility makes setup simple and more affordable

  • Built-in drainage holes protect against water buildup and wear


Safety & Eco-Friendly Design

  • Runs on R-454B refrigerant, meeting the latest EPA low-GWP standards

  • Refrigerant Detection System (RDS):

    • Detects leaks instantly

    • Automatically interrupts operation for safety

    • Disperses refrigerant safely with the blower

  • Provides peace of mind, modern safety compliance, and an eco-conscious choice


Key Benefits at a Glance

✅ Affordable, mid-efficiency two-stage air conditioner with up to 17 SEER2 rating
✅ ENERGY STAR® certified for lower energy bills
✅ Quiet cooling with sound levels as low as 73 dB
✅ Built tough with Quantum™ Coil and heavy-gauge cabinet
Future-ready – R-454B refrigerant and advanced safety detection system
✅ Flexible braze-free installation saves time and money
✅ Perfect for HVAC bundle deals with free installation offers

Product Specifications:

Brand Lennox
Catalog Number 25U65
Model/Part Number ML17KC2-060-230
Base Unit of Measure Unit(S)
Family ML17KC2
Series Merit
Type Two-stage Air Conditioner
Nominal Cooling Capacity 5 Ton
Product Voltage 208-230 VAC 1 Ph 60Hz
Product Depth 28.25 Inch
Product Width 28.25 Inch
Product Height 43.25 Inch
Compressor Type 2 Stage
Number of Compressors 1 Compressor
SEER2 Up to 17.00 SEER2
EER2 Up to 12.50 EER2
Gross Weight 246 Lbs.
Liquid Line OD 3/8 Inch
Suction Line OD 1-1/8 Inch
Energy Star Certified Yes
Refrigerant Type R-454B

Heat Kit Overview

Model #ECB45-20CB

Lennox ECB45 Electric Heat Kits

  • ETL listed to ensure compliance with recognized safety standards.

  • Designed for field installation within the unit cabinet.

  • Offered in various voltage and kilowatt configurations—refer to the applicable Air Handler Tables for specifications.

  • Features helix-wound nichrome heating elements positioned directly in the airstream for rapid heat transfer, lower element temperatures, and extended service life.

  • Each heating element includes a precisely positioned limit control with a fixed shut-off temperature and automatic reset.

  • An additional thermal cutoff limit control provides reliable protection against excessive temperatures.

  • Control box and access cover are made from heavy-gauge galvanized steel for enhanced durability.

  • Shipped factory-assembled with pre-installed and pre-wired controls.

  • Low-voltage electric heat controls plug directly into the air handler for easy connection.

Circuit Breaker Models (CB)

  • All “CB” model heat kits come equipped with built-in circuit breakers for overload and short-circuit protection.

  • Circuit breakers are factory-installed and pre-wired within the electric heat unit.

  • They are sensitive to both current and temperature conditions.

  • Manual reset functionality is included.

  • In many regions, these circuit breakers qualify as the unit’s disconnecting means, eliminating the need for a separate field-installed disconnect.

  • Always verify with your local electrical code to ensure compliance.


Product Specifications:

Brand Lennox
Catalog Number 27A18
Model/Part Number ECB45-20CB-P
Base Unit of Measure Unit(S)
EAN / UPC 66255160141
Product Voltage 208/240v 1ph 60 hz
Gross Weight 6 LB
Family ECB45
Heating Capacity 20 kW
Type Electric Heat Kit with Circuit Breaker
Series ECB45
Additional Information (1) 60 Amp & (1) 50 Amp Circuit Breaker
For Use With CBK45 & CBA25 Series Air Handlers
Product Width 11.38 Inch
Product Height 7.0 Inch
Product Depth 21.18 Inch

 

 

Air Handler Overview

Model #CBK45UHVT-060-71

Lennox Merit® Series CBK45UHVT Air Handler – High-Efficiency, Variable-Speed Comfort for R-454B Refrigerant

The CBK45UHVT air handler from the Lennox Merit® Series is engineered for reliable, energy-efficient performance. Built with a variable-speed blower and corrosion-resistant Quantum™ Coil, it offers long-lasting durability and steady indoor comfort. Fully compliant with 2025 refrigerant regulations, this model is ready for the future of HVAC.


Energy Efficiency & Performance

Designed for energy-smart performance, the CBK45UHVT features an all-aluminum Quantum™ Coil that maximizes heat transfer while minimizing airflow resistance. Its variable-speed motor delivers consistent airflow, helping to reduce energy usage and prevent hot or cold spots in your home. It also comes factory-ready for R-454B refrigerant and includes a built-in Refrigerant Detection System for safe operation.


Quiet & Comfortable Operation

This model includes a fully insulated cabinet that reduces operating noise and helps prevent condensation in humid environments. The result is a quieter system and more stable indoor temperatures, even during extreme weather.


Craftsmanship & Reliability

The exclusive Quantum™ Coil is made from a durable aluminum alloy that resists indoor corrosion. An antimicrobial drain pan helps block mold and mildew growth, reducing clogs in the drain line and improving indoor air quality over time.


Safety & Sustainability

For added peace of mind, the CBK45UHVT is equipped with a Refrigerant Detection System that activates a flush sequence if a leak is found. Its R-454B compatibility makes it an environmentally responsible choice that aligns with 2025 refrigerant regulations.


Bundle & Compatibility Options

This air handler supports optional ECB45 electric heat strips for an extra layer of heating when needed. It pairs easily with compatible Lennox® air conditioners or heat pumps, creating a full HVAC system built for comfort and efficiency.


Key Benefits at a Glance

✅ High-efficiency Quantum™ Coil for strong, reliable performance
✅ Variable-speed blower motor ensures smooth, quiet airflow
✅ Ready for R-454B refrigerant with leak detection system
✅ Antimicrobial drain pan improves indoor air quality
✅ Insulated cabinet helps reduce noise and cabinet sweating
✅ Optional electric heat strip compatibility for flexible heating
✅ Ideal for energy-conscious homeowners upgrading their HVAC system


Product Specifications:

Brand Lennox
Catalog Number 25J62
Model/Part Number CBK45UHVT-060-71
Base Unit of Measure Unit(S)
Family CBK45HVT
Series Merit
Cooling Capacity 5 Ton
Configuration Upflow/Horizontal
Blower Type Variable Speed
Coil Material Aluminum
Product Voltage 208-230 VAC 1 Ph 60 Hz
Type Air-Handler
Refrigerant Type R-454B

Documents

Air Conditioner:

Product Specifications
Service Literature

Air Handler:

Installation Instructions

Other Information

Understanding SEER vs SEER2

What is SEER?

SEER stands for Seasonal Energy Efficiency Ratio. It measures the cooling efficiency of an air conditioner or heat pump over an entire cooling season. Essentially, it tells you how much cooling output (BTUs) you get for every unit of energy (watt-hour) used.

  • Higher SEER = more efficient

  • SEER ratings have traditionally been used in the U.S. to compare energy efficiency across systems.

  • Example: A 14 SEER unit uses less electricity than a 10 SEER unit to produce the same cooling.

Understanding SEER and SEER2 | LennoxPros


What is SEER2?

SEER2 is the updated efficiency rating standard that reflects new federal testing procedures implemented by the Department of Energy (DOE) in 2023. It measures efficiency more accurately by accounting for real-world conditions, including:

  • Energy usage in modern airflow and installation configurations

  • More realistic climate and seasonal variations

  • Changes in the refrigerants and equipment designs

Key difference: SEER2 ratings tend to be slightly lower than SEER ratings for the same unit, but they provide a truer representation of actual efficiency in your home.

What's a Good SEER2 Rating? - Trane®


Why SEER2 is the new standard

  • The DOE updated testing to better match how systems perform in real homes, rather than ideal lab conditions.

  • It encourages manufacturers to improve real-world efficiency, not just test-case efficiency.

  • For consumers, SEER2 ensures:

    • Better long-term energy savings

    • Improved comfort through more accurate performance expectations

    • Compliance with modern federal efficiency regulations


In short:

  • SEER = old efficiency measurement (ideal lab conditions)

  • SEER2 = modern, realistic efficiency standard (real-world performance)

  • Better quality = SEER2 units are designed and tested to give actual efficiency and savings, not just theoretical numbers.


Understanding EER vs EER2

What is EER?

EER stands for Energy Efficiency Ratio. It measures an air conditioner or heat pump’s efficiency at a single, specific outdoor temperature, usually 95°F.

  • Higher EER = more efficient at peak conditions.

  • Unlike SEER, which averages efficiency over a season, EER tells you how the unit performs under hot, steady-state conditions.

  • Example: A unit with an EER of 12 produces 12 BTUs of cooling for every watt of electricity consumed.


What is EER2?

EER2 is the updated testing standard introduced by the Department of Energy (DOE) to match the same real-world adjustments as SEER2.

  • Accounts for modern system designs, refrigerants, and installation configurations.

  • Measures efficiency more realistically under peak operating conditions, rather than just ideal lab setups.

  • Like SEER2, EER2 numbers are usually slightly lower than traditional EER, but they are a more accurate reflection of actual performance.


Why EER2 is the new standard

  • Ensures consistency with SEER2 testing methodology.

  • Reflects true cooling efficiency under extreme heat, where peak performance matters most.

  • Helps consumers understand real-world energy use and savings potential during the hottest days.

  • Meets modern federal efficiency regulations and encourages manufacturers to improve performance under actual conditions.


In short:

  • EER = old standard, measured under lab conditions at 95°F

  • EER2 = modern standard, measured under realistic, real-world peak conditions

  • Better quality = EER2 gives you true peak efficiency, not just theoretical performance.

2023 HVAC Efficiency Standards | LennoxPros