Compressors

1950s: Rotary Compressors Transform HVAC Equipment

chrisgray@achrnews.com (Chris Gray) — Thu, 28 May 2026 15:00:00 -0400

A look back at how advancements in compressor technology forever changed the HVAC industry.

Understanding Discharge Line Mufflers

Tue, 19 May 2026 07:00:00 -0400

Discharge line mufflers may be a simple add-on, but they can make a big difference in controlling compressor noise in larger refrigeration systems.

Modern Coils, New Risks: Rethinking HVAC Cleaning Practices

Wed, 13 May 2026 07:00:00 -0400

Dirty coils still hurt performance, raise operating pressures, and contribute to costly failures, but cleaning them improperly can create a whole new set of problems.

The Role of Non-Toxic Maintenance Chemicals in Food Service & Refrigeration Environments

Sat, 09 May 2026 07:00:00 -0400

Aggressive cleaners can introduce unnecessary risk when used around food prep areas or storage spaces.

When Does a Compressor Swap Still Make Sense?

bellolih@bnpmedia.com (Hannah Belloli-Oster) — Thu, 07 May 2026 13:00:00 -0400

Rising equipment costs, refrigerant transitions, and broader economic pressure are forcing contractors and homeowners alike to take a closer look at when a compressor swap still makes sense.

20 Surges a Day: The Hidden Risk Facing Inverter HVAC

Sun, 03 May 2026 07:00:00 -0400

Your next compressor failure might start at the electrical panel.

Retrofitting Fixed-Speed Refrigeration Compressors

Tue, 31 Mar 2026 13:00:00 -0400

Retrofit strategies for fixed-speed compressors — including advanced compressor controls — can be used to improve energy performance of older HVACR systems without costly full replacements.

What’s New in Compressor Technology at the AHR Expo

Wed, 18 Mar 2026 07:12:00 -0400

Compressors took center stage at the AHR Expo, with new designs for low-GWP refrigerants and advances in efficiency, reliability, and operating range signaling where the industry is headed.

Ensuring Proper Oil Return to the Compressor

Thu, 19 Feb 2026 13:00:00 -0500

Ensuring proper oil return is not just a maintenance consideration; it is a fundamental design requirement for every refrigeration system.

Understanding A Compressor’s Operating Envelope

Fri, 25 Jul 2025 07:00:00 -0400

Learning how to use the compressor operating envelope can help service contractors prevent failures, as well as choose the correct replacement compressor.

Copeland Oil-Free Centrifugal Compressor

Wed, 18 Jun 2025 00:00:00 -0400

Leveraging 100 years of the Copeland legacy of reliability and inventiveness, this compressor offers the next evolution of compressor technology in the market.

Beyond On/Off: How Variable Speed Redefines Efficiency

Fri, 02 May 2025 07:00:00 -0400

With energy costs rising with SEER2, variable-speed tech is poised to take more of the market share

Electrification and Decarbonization Goals

mattjachman@achrnews.com (Matt Jachman) — Tue, 25 Feb 2025 07:00:00 -0500

At the recent AHR Expo, manufacturers talked about HVAC products that help further the building electrification and decarbonization movement.

Changing Compressor Technology

mattjachman@achrnews.com (Matt Jachman) — Fri, 30 Aug 2024 07:00:00 -0400

The move to A2L refrigerants means compressors in new a/c and heat pump systems will have different features than older models. Three compressor manufacturers say they’re prepared.

Is It Time to Replace the Liquid Line Drier?

Sat, 18 May 2024 07:00:00 -0400

Keeping a refrigeration system clean and dry by changing the liquid line drier can be the least expensive insurance against compressor failure.

Low-GWP Compressors Meet Demand for Sustainable Solutions

Tue, 12 Mar 2024 14:00:00 -0400

End users are looking for low-GWP solutions, and compressor manufacturers displayed their options at the AHR Expo.

The Benefits of Compressor Time Delay Relays

Tue, 02 Jan 2024 10:00:00 -0500

Continuous and rapid cycling is hard on a compressor, but the use of a simple time delay relay can mitigate the risk of compressor failure.

Best Service Practices for A2L Compressors

Mon, 04 Dec 2023 14:00:00 -0500

Compressors in A2L systems are similar to A1 systems, so technicians won't need extensive retraining, especially if they follow best practices.

Turbocor Marks 10 Years as a Danfoss Company

Fri, 10 Nov 2023 11:00:23 -0500

More than 130,000 Danfoss Turbocor compressors have been installed around the world.

Exclusive Q&A with Copeland CEO Ross B. Shuster

woerpelh@bnpmedia.com (Herb Woerpel) — Wed, 26 Jul 2023 07:00:00 -0400

Ross B. Shuster, CEO, Copeland, discusses Blackstone’s investment into the company, how the transaction will impact the company’s HVAC offerings, and more.

Defining and Calculating Voltage Imbalance

Wed, 28 Jun 2023 11:00:00 -0400

Saving one compressor will cover the cost of a voltage monitor and then some.

Compressors Are Key To Decarbonization In HVACR

Wed, 31 May 2023 11:00:00 -0400

HVACR systems consume a significant amount of energy, which leads to increased carbon emissions. Manufacturers have found that the variable-speed compressor may be the solution to this problem.

Troubleshooting Worn Rings and Leaky Valves

Tue, 16 May 2023 11:00:00 -0400

Learning how to troubleshoot a system that is experiencing leaky valves or worn rings can be challenging, so technicians need to take careful measurements in order to isolate the problem.

Refrigeration Solutions Featured at AHR Expo

Sat, 18 Mar 2023 07:00:00 -0400

At the AHR Expo, refrigeration manufacturers displayed their latest equipment and components that are geared toward the commercial refrigeration market.

Compressors Help Energy Users Achieve Their Sustainability Goals

Thu, 09 Mar 2023 11:00:00 -0500

End users are looking for more from their systems than just reliable cooling; they also want sustainable equipment that features better energy efficiency and low-GWP solutions. Several compressor manufacturers have happily obliged.

Troubleshooting Potential Relays

Wed, 15 Feb 2023 07:00:00 -0500

If a potential relay is malfunctioning, the compressor motor is in danger of not starting, stalling, locking rotor, or even burning out. That is why technicians should understand how to troubleshoot potential relays.

LG Electronics Component Solutions Highlights New Compressors

Tue, 07 Feb 2023 07:47:44 -0500

At its press conference at the AHR Expo, LG Electronics Component Solutions highlighted its new compressors for residential applications that will utilize the low-GWP refrigerants.

Seven Things to Check to Ensure Proper Compressor Function

bellolih@bnpmedia.com (Hannah Belloli-Oster) — Mon, 05 Dec 2022 07:00:00 -0500

There are a few different things HVAC contractors can check to ensure proper compressor function. This article highlights seven of them.

The Art of Troubleshooting Compressors

Mon, 20 Jun 2022 07:00:00 -0400

Comprehensive troubleshooting can help technicians determine whether the compressor is working properly.

Oil Traps Protect the Compressor

Fri, 08 Apr 2022 07:00:00 -0400

Even though the circulated refrigerant is the working fluid required for cooling, lubricant or oil is needed for lubrication of the compressor’s moving mechanical parts.