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.
With rising interest rates and ongoing supply chain challenges, HVACR contractors face increasing complexity in managing their vehicle fleets. During […]
Finding and keeping qualified HVACR technicians has become a constant struggle—with no-shows, high turnover, and unqualified applicants draining resources and […]
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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.
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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.
Regulatory changes affecting HVAC equipment can be expected with any presidential transition, especially when political parties have contrasting philosophies. Such […]
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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.