Microchannel coils - Articles

Proper Charge Is Critical for Microchannel Coils

Incorrect amount of refrigerant could reduce performance, efficiency, and reliability

March 20, 2023

Microchannel coils are lightweight, offer better heat transfer, and use less refrigerant than traditional fin-and-tube coils; however, care must be taken when charging, as even a few ounces could reduce a systems’ performance, efficiency, and reliability.

Smaller-diameter tubes will be key to more compact and efficient coils for use in CO2 gas coolers like the one pictured here. - The ACHR News

Coil and Condenser Landscape Changes in Response to Demand

Efficiency, technology, and market desire influence trends

Angela D. Harris

June 10, 2019

Demand is changing the landscape of coils and condensers. Efficiency, refrigerant, and market demands are adjusting to a global cooling marketplace.

Nortek Global Hvac Launches New Micro-Channel Website

New site provides awareness, support, and training resources

January 18, 2017

Nortek Global HVAC has revamped and improved its Micro-Channel coils website to include even more training and technical content. It is part of the company’s ongoing mission to provide the latest online educational resources for today’s busy HVAC contractor.

Cleaning Microchannel Coils

A little TLC goes a long way

Ron Rajecki

September 12, 2016

Keeping any kind of air conditioning or refrigeration coil clean is important for proper heat exchange, and microchannel coils are no exception. As these types of coils continue to grow in popularity, technicians should know that the microchannel cleaning procedures can differ from those for cleaning standard fin-and-tube coils.

Regulations, Refrigerants Revolutionize Coils

Manufacturing innovations result in smaller, lighter, versatile, and more efficient HVAC coils

Ron Rajecki

June 8, 2015

The HVAC industry has a well-earned reputation for creating innovative new products that meet the demands of regulations and the desires of contractors and their customers, and the coil market is no exception.

Cleaning Sectional, Standard, Mechanical Condenser Coils

Clean coils plus efficient equipment equals happy customers

Larry Lisowski and Scott Leitner

June 8, 2015

Cleaning the coils on rooftop units may seem mundane, but it’s an important job that pays off for your customers in more efficient operation and longer living equipment. And, any job that’s worth doing is worth doing right.

Through the Crystal Ball: Forecasting the Future of Coils

Microchannel, Designs, New Refrigerants on the Horizon

Peter Powell

June 9, 2014

The NEWS asked a few individuals at a recent refrigeration trade expo — and a few others in the industry — to do a bit of fortune telling regarding what the next generation of coils may look like.

New Product: Outdoor Condensing Unit

May 27, 2014

The G-Series ½-6 horsepower (hp) outdoor condensing unit has been added to the company’s line of outdoor condensing unit products. The new series enhances serviceability while delivering operational efficiency gains for the end user.

Nordyne: Gas/Electric Packaged System

May 5, 2014

Available in a horizontal configuration for easy slab installation, the R8HE condensing gas/electric packaged unit has microchannel all-aluminum indoor and outdoor coils, which provide increased resistance against instances of corrosion.

Coils 101: A Basic Review

A Brief Look at A Coils, Slant Coils, and H Coils

June 10, 2013

There are several designs for airflow through the evaporator coil, and for draining the condensate water from the coil, depending on the installation. The different designs are known as the A coil, the slant coil, and the H coil.