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Home » Topics » Topics » Guest Column

Guest Column
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Marchese 1.jpg
FROSTlines

The Importance of Steady State Operation in Refrigeration Systems

Reaching this condition prevents wasted time and costly misdiagnoses
Joe Marchese
May 18, 2025

Always let the refrigeration system reach a steady state before making repairs or adjustments. Skipping this step can mess up measurements, leading to misdiagnoses and wasted time. 


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FROSTlines

Dual-Refrigerant Systems Help the Transition from HFCs to A2Ls

Future-proof evaporator replacements can support both A1 and A2L refrigerants
Don Fort
Don Fort
May 17, 2025

Technology transitions can be scary, but refrigeration manufacturers have made it easier by offering evaporators that can work with either an A1 or an A2L refrigerant. 


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Guest Commentary

The U.S. Air Conditioning Industry Crisis: A $25 Billion Problem

JORGE Alvarez.jpg
Jorge Alvarez
May 16, 2025

The U.S. faces a severe refrigerant shortage—here’s what’s driving costs up 650%.


Read More
Darrell Sterling - Distribution Trends

From Notes to Numbers: Using CRM Data to Strengthen HVACR Customer Connections

‘Knowledge is Power’ — sales tools are great, but using them for better results takes time and discipline
Darrell Sterling - The ACHR News
Darrell Sterling
May 15, 2025

Investing in the right sales tools, and using them to track conversations, keep track of data, and prep for each follow-up call, can lead to increased sales. 


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How Support Systems Provide Networking and Career Opportunities

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Janeen Norquist
May 13, 2025

What if the key to your next big HVAC-related breakthrough isn’t a strategy or a tool—but a conversation? 


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Why Local SEO is Crucial for HVAC Companies

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Chris Lonergan
May 11, 2025

If your business relies on local customers, then showing up in local search results is non-negotiable. Here’s how local SEO — especially Google Business Profile optimization — can drive real, qualified leads.


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r-454b.jpg

Best Practices to Conserve A2L Refrigerants in a Shortage

These 4 steps will help technicians conserve R-454B as much as possible.
Bryan Orr
May 10, 2025

Every pound of refrigerant lost through leakage isn’t just expensive — it may soon be irreplaceable. 


Read More
Multifamily 5.jpg

Why Smart Home Technology is a Win-Win for Multifamily Operators and Residents

Data-driven Insights and Remote Access Can Help Prevent Damage, Cut Costs, and Enhance Comfort
Jason Korstad
May 7, 2025

From remote-controlled thermostats to early leak detection, smart systems are transforming rental living. Learn how these innovations deliver comfort and control for residents—while offering major operational advantages for building owners.


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OK-State
FROSTlines

Refrigerant Innovations Are The Focus at Oklahoma State University

The school is partnering with the HVAC industry to research low-GWP solutions
Tanner Holubar
May 6, 2025

Oklahoma State University is teaming up with the HVAC industry to dive into the science behind low-GWP refrigerants -- exploring refrigerant glide, system performance, and the injection flow rates needed for next-generation compressors. 


Read More
Trane Refrigerant (1).jpeg
FROSTline

Embrace Low-GWP Refrigerants with Confidence

Understanding EPA rules can help make the transition to A2Ls safe and seamless
Paul Dombroski.jpg
Paul Dombroski
May 5, 2025

A2L refrigerants are replacing R-410A, offering low-GWP benefits with mild flammability risks. By following safety standards and using proper leak detection, the transition can be safe and seamless. 
 


Read More
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    R-455A Refrigeration: A Cold Storage Solution for the Future

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    Consolidating Roof Penetrations: A Growing Trend in Multifamily HVAC Design

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