TLDRFlorida HVAC contractors are preparing to fully adopt R-32 refrigerant by 2027 to meet AIM Act deadlines and improve system efficiency by up to 12%.R-32 is a mildly flammable (A2L) refrigerant req…
Published by Emily K.
TLDRA2L refrigerants like R-454B and R-32 now make up over half of U.S. residential and light commercial HVAC sales, marking a major market shift from older refrigerants.This change requires contracto…
Published by Chris L.
TLDRDaikin’s new ENTRA single-zone mini-split heat pumps now offer R-32 refrigerant, which has a lower global warming potential than the traditional R-410A option.The units meet updated federal effici…
Published by James T.
TLDRZone Air DIY leads 2026 HVAC rankings, surpassing MrCool with top efficiency models hitting 24 SEER2, reshaping the DIY market landscape.Contractors face tighter margins as homeowners prefer DIY s…
Published by Sarah C.
TLDRWorld Refrigeration Day 2026 highlights smart HVAC controls using AI thermostats, cloud monitoring, and remote diagnostics to save energy and reduce service visits.New UL 60335-2-89 4th Edition st…
Published by Mark R.
TLDRR-410A refrigerant production stops Jan 1, 2025; new AC units will use mildly flammable A2L refrigerants like R-32 and R-454B, requiring special handling and updated equipment.Contractors need A2L…
Published by HVAC365 Editorial
TLDROregon offers large rebates up to $14,000 to help homeowners, renters, and builders install energy-efficient heat pumps after recent heat waves.Starting in 2026, all new residential buildings in O…
Published by Chris L.
TLDRThe 2027 Uniform Mechanical Code now allows A2L refrigerant lines to use the shaft exception, reducing the need for fire-rated shafts and ventilation in certain installations.This change cuts inst…
Published by David N.
TLDRNew training emphasizes using the right MERV-rated filters and properly sized ventilation systems to improve indoor air quality and energy efficiency.Guidance recommends balancing ventilation type…
Published by Chris L.
TLDRCities are enforcing stricter building performance standards to reduce energy use and emissions, with penalties for non-compliance starting in 2025–2026 and deeper cuts required by 2030–2035.Prope…
Published by Mark R.
TLDRReplace your HVAC if it's over 10 years old, costly to run, or has uneven heating and cooling. Choose from like-for-like systems, heat pumps, or ductless minisplits based on your needs and bu…
Published by Alex P.
TLDRA major OEM has launched a new inverter heat pump line using A2L refrigerants, offering higher efficiency and built-in diagnostics for easier maintenance.The transition away from R-410A refrigeran…
Published by Alex P.
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