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Welcome To The ACCA HVAC Blog!

The ACCA HVAC Blog is focused on helping professional contractors run smarter, better businesses. Led by contractors themselves, who know firsthand the technology and cultural changes that are transforming old-school trades into a high-tech, dynamic, and driven industry. ACCA HVAC Blog is where forward-thinking contractors go for daily content to feed their passion for success.

AI implementation moves from experimental to operational in HVACR industry

The artificial intelligence (AI) conversation in HVACR has shifted from future possibilities to implementation with tangible, data-driven results. What once […]

R-454B shortage crisis: what’s being done, and when will it end?

ACCA brought together manufacturers, suppliers, and industry leaders for an emergency session of Codes and Coffee to discuss the refrigerant […]

Hey Ed, can you give a brief summary of the balance points that we deal with?

In this edition of “Hey Ed,” Ed discusses thermal and economic balance points.

Senate bill cuts 179D, makes small business deduction permanent without rate hike

The Senate Finance Committee released its version of the “Big Beautiful Bill,” incorporating many small business-friendly provisions from the House […]

Expert answers to your R-454B shortage questions

Following last week’s ACCA Codes and Coffee webinar on the R-454B refrigerant shortage crisis, we reached out to our expert […]

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The field performance data that’s changing how we think about HVACR sizing

Jeff Stewart from Trane Technologies, an ACCA Premium Strategic Partner, presented exclusive field data at ACCA’s May Codes and Coffee session, showing how thousands of variable capacity systems actually perform in homes across America.

Hey Ed, how do I avoid committees?

In this edition of “Hey Ed,” Ed discusses the importance of showing up to the meetings.

R-454B is in short supply—don’t let bad installs make it worse

With the R-454B refrigerant shortage impacting contractors nationwide, every ounce of refrigerant counts. In this environment, installation quality is not […]

Cornerstone Advertising turns marketing spend into measurable growth 

HVACR contractors face a crowded marketplace where traditional advertising approaches often fall short. Cornerstone Advertising combines three decades of trades […]

Hey Ed, which is heavier? Dry air or wet air?

In this edition of “Hey Ed,” Ed discusses the weight of dry air versus wet air.

Why your HVACR tech deserves a thank you this June

June 22 marks National HVAC Tech Day, perfect timing as summer heat intensifies and air conditioning becomes essential for comfort […]

The retrofit solution that turns wiring problems into easy installations

When homeowners want to upgrade to more efficient HVACR systems, complex wiring requirements often become an unwelcome roadblock. tekmar built […]

How modulating compression technology is helping advance heat pump adoption 

The push for building electrification is a critical part of global decarbonization efforts, and air-source heat pumps are at the […]

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And the engineer said…..

While attending ACCA 2025 at the Kalahari Resort in Texas this past March, I was asked a question that comes up often. The question focused on adding extra BTUs to the calculated heat gain to account for what was described as “additional loads.”

Hey Ed, is charging with liquid really a thing?

In this edition of “Hey Ed,” Ed discusses the advantages of charging with liquid.

House passes budget bill with historic expansion of 529 accounts to support careers in the trades 

The U.S. House of Representatives has passed a sweeping new tax package—The One, Big, Beautiful Bill—aimed at delivering lasting tax […]

Mitsubishi Electric’s blueprint for HVACR contractor growth

HVACR contractors need equipment and support that works in the real world. Mitsubishi Electric Trane US combines advanced heat pump […]

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ACCA Now Spring 2025

Read the latest edition of ACCA Now Magazine online.

Hey Ed, are AHRI ratings useful?

In this edition of “Hey Ed,” Ed discusses AHRI ratings and their usefulness in comparing various makes and models of air conditioners and heat pumps.

Webinar recap: Compressors, refrigerants, and regulations—Copeland experts break down HVACR’s biggest changes

As the HVACR industry experiences rapid change, contractors face challenges in service, supply, and system performance. During ACCA Platinum Strategic […]

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