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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.

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Refrigerant relief: A2L line sets and fire-rated shafts–the new code fix contractors need to know

The International Mechanical Code (IMC) created and resolved a challenge facing HVACR professionals working in multifamily buildings. In 2024, the IMC effectively prohibited A2L refrigerant line sets from routing through a ventilated fire-rated shaft.

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ACCA and CEE team up to create heat pump resources for every application and climate zone

The latest episode of Codes and Coffee showcased ACCA and CEE’s nine digestible heat pump guides that give contractors and homeowners valuable tools for proper system selection and installation.  

Hey Ed, do ceiling fans help?

In this edition of “Hey Ed,” Ed discusses the efficacy of ceiling fans in the summer and winter months.

Webinar recap: Manage your company’s vehicle fleet like a pro

With rising interest rates and ongoing supply chain challenges, HVACR contractors face increasing complexity in managing their vehicle fleets. During […]

House tax bill enhances small business deductions, eliminates efficiency tax credits 

As Congress debates the next major tax package, House Republicans have released a sweeping proposal that would reshape the tax […]

Webinar recap: 1,000+ contractors fixed their broken hiring processes with these steps

Finding and keeping qualified HVACR technicians has become a constant struggle—with no-shows, high turnover, and unqualified applicants draining resources and […]

Midea stands beside contractors from training to installation

When contractors talk about what they need most, it’s not just reliable equipment but a partner who understands their challenges. […]

Webinar recap: The 7 growth breakpoints every HVAC business must navigate to succeed

Most HVACR businesses never make it past $3 million in revenue, but understanding the critical breakpoints between growth stages can […]

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Industry watches as ENERGY STAR program faces potential shutdown

Just in case the challenges surrounding R-454B availability weren’t enough, as contractors prepare for peak season, the industry was hit with another jolt this week: EPA has announced plans to shut down the ENERGY STAR program.

Hey Ed, what is managing expectations?

In this edition of “Hey Ed,” Ed discusses managing customer expectations when it comes to their heating and cooling system.

Webinar recap: Meet the 24/7 digital team every HVACR business needs

With leads becoming harder to find and more expensive to acquire, contractors are searching for new ways to grow their […]

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St. Louis gives A2L “The Boot”: New local policy mandates undefined mitigation device, raising installer concerns

ACCA has been informed of a newly issued policy in the City of St. Louis regarding the use of A2L refrigerants in residential HVACR systems. This policy is intended to provide interim local guidance on using mildly flammable refrigerants under the 2018 International Mechanical Code (IMC) while referencing elements from the 2024 IMC and pending 2027 proposals. 

New executive order puts renewed focus on registered apprenticeships for the skilled trades 

On April 23, 2025, President Donald J. Trump signed an executive order aimed at modernizing federal workforce programs to better […]

Regulatory uncertainty in focus: How recent regulatory developments are impacting HVAC service technicians 

Regulatory changes affecting HVAC equipment can be expected with any presidential transition, especially when political parties have contrasting philosophies. Such […]

Simplifying fleet management for HVACR professionals

As a proud partner of Air Conditioning Contractors of America, Holman Small Business Solutions is committed to supporting HVACR professionals […]

ACCA chair heads to Washington to advocate on behalf of contractors

As the Trump Administration marks its first 100 days, now more than ever, the contractor voice must be considered in […]

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Level up your risk management leadership

In today’s business environment, effective risk management can help take you to the next level of success and safety. It can bring your team closer, encourage active safety practices, and show that you care for the well-being of your business and employees. 

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Service Savvy: Who wants more?

Just like at a birthday party where a kid eagerly asks for more ice cream or cake, the HVACR industry is no different—everyone wants more.

Hey Ed, what’s with the gray refrigerant tanks? Did the refrigerant manufacturers run out of colors?

In this edition of “Hey Ed,” Ed discusses gray refrigerant tanks.

Key takeaways after a busy tradeshow season

As the 2025 trade show season winds down, Midea has been reflecting on key trends and conversations from some of […]

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