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Understanding Microchannel Coils

by | May 7, 2024

Microchannel coils, a recent advancement in the HVAC/R industry, have been widely accepted for their various benefits. These coils are making systems more efficient, compact, and cost-effective -but still come with their own set of challenges.

What are Microchannel Coils?

Microchannel coils are heat exchangers used in many evaporator and condenser applications. They are easily identifiable by their flat tubes and wave-like fins. These coils are made up of three main components: channels or tubes, aluminum fins, and two manifolds.

Advantages of Microchannel Coils

Microchannel coil technology offers several advantages that contribute to its growing popularity:

  • Increased Efficiency: Due to their design, microchannel coils offer high heat transfer rates.This makes HVAC/R equipment more efficient, leading to energy savings.
  • Reduced Size and Weight: Microchannel coils are lighter and smaller than traditional coils, reducing the overall weight and footprint of HVAC/R equipment.
  • Lower Refrigerant Charge: Microchannel coils require a significantly lower volume of refrigerant, reducing environmental impact and operating costs.

Microchannel Coils in Various Applications

Microchannel technology is being utilized across a wide range of system designs:

  • Chillers: In comfort cooling and process cooling, microchannel coils are being used to increase energy efficiency and reduce the chiller’s footprint.
  • Rooftop HVAC Systems: Custom rooftop systems use microchannel coils as condensers, evaporators, and reheat coils.
  • Data Center Cooling Systems: Microchannel coils are being used in data center cooling systems, providing energy efficiency.

Why Do Microchannel Coils Fail?

Despite their advantages, microchannel coils have experienced high failure rates in certain systems. These failures have been attributed to various factors, including manufacturing defects and inherent design issues. Furthermore, because microchannel coils hold a relatively small volume of refrigerant, altering the charge by even a few ounces can affect system longevity.

Cooney Coil & Energy’s Solutions to Microchannel Coil Failures

At Cooney Coil & Energy, we are dedicated to providing top-notch service and support for all your microchannel coil needs. Our team focuses on crafting custom solutions and replacement parts for Carrier and York chillers, ensuring you get the right fit for your system. We understand that standard OEM microchannel coils can fail, and we’ve made it our mission to provide robust and reliable alternatives.

Our site visits offer a hands-on approach to understanding your unique requirements. Our experts take the time to assess your systems, ensuring we offer the best possible solution for your specific needs. We know that the quality of your chiller system is paramount, and that’s why we only offer the best – products made in the USA, designed to last.

We’re proud to be an Evapco Alcoil distributor, offering their superior MicroChannel coils as part of our product lineup. These coils are known for their durability, high performance, and 5-year warranty making them an ideal choice.

Whether you’re dealing with a leak in your chiller, or looking to enhance energy efficiency and reduce your chiller footprint, we’ve got you covered. Trust Cooney Coil & Energy to handle all your microchannel coil needs.

How is an Evapco MicroChannel Replacement Coil Different from an OEM MicroChannel Coil?

Non-Automotive, Industrial Design

Evapco MicroChannel Replacement Coils are designed specifically for industrial applications. Unlike OEM MicroChannel Coils, which are often based on automotive designs, Evapco coils are built to withstand the rigors and demands of industrial environments. This means they’re more robust, reliable, and suitable for heavy-duty use.

25-30% Thicker Tube Walls

One major difference between Evapco and OEM MicroChannel Coils is the thickness of their tube walls. Evapco’s tubes are 25-30% thicker, providing them with superior strength and durability. This makes them less susceptible to damage during installation and operation, and ensures they last longer.

Epoxy Coating for Superior Corrosion Protection

Evapco MicroChannel Replacement Coils come with an epoxy coating, offering superior corrosion protection. This means they’re better equipped to resist the corrosive effects of environmental factors, ensuring their longevity and maintaining their performance over time.

Lower Refrigerant Pressure Drop

Evapco’s design also results in a lower refrigerant pressure drop, which enhances operational efficiency. This is important for maintaining optimal system performance and reducing energy consumption.

Built-in Mini-receiver

A unique feature of Evapco MicroChannel Replacement Coils is their built-in mini-receiver, located in the lower header. This makes it easier to charge the system, simplifying the installation and maintenance process.

Side Flange for Easy Installation

Evapco MicroChannel Replacement Coils are designed with a side flange, making them easy to install. This drop-in/slide-in feature reduces installation time and ensures a secure fit.

5-Year Warranty

Finally, Evapco stands behind the quality of their products with a 5-year warranty. This gives you peace of mind, knowing your investment is protected.

Replacement Microchannel Coils

We’re proud to be an Evapco Alcoil distributor, offering their superior MicroChannel coils as part of our product lineup. These coils are known for their durability, high performance, and 5-year warranty making them an ideal choice.

Industrial HVAC Coils

Industrial HVAC Coils

Our industrial HVAC coils deliver reliable performance even in the harshest environments. Contact us today and see why we’re the preferred choice for coils.

Navigating Winter Coil Replacement in the Dead of Winter

Navigating Winter Coil Replacement in the Dead of Winter

As winter approaches, it’s important for facility managers and mechanical contractors to be prepared for unexpected coil replacement. At Cooney Coil & Energy, we understand the unique challenges of the winter season and offer a wide range of hot water coils, steam coils, and steam distributing coils to suit your needs.


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