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Low-GWP Alternative Refrigerants: What’s Changing in HVAC Regulations

Low-GWP Alternative Refrigerants: What’s Changing in HVAC Regulations

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In 2025, the U.S. requirements for HVAC equipment lowered the maximum allowable GWP to 700 or lower. The American Innovation and Manufacturing Act requires manufacturers to phase out HFCs and switch to low-global-warming-potential refrigerants. The reduction of GWP follows this timeline: 2024 – R-410A production is down 40%. 2025 – Refrigerants with a GWP of … Continued

Commercial HVAC Design Considerations for Workshops, Warehouses, and Garages

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Commercial heating, ventilation, and air conditioning (HVAC) systems are the key to staying cool during a hot summer or warm during winter’s bitter cold. When you’re heating and cooling a garage, warehouse, or workshop, special attention must be made in regards to the air quality and frequently opening garage bay doors.  The HVAC systems going … Continued

Commercial Kitchen Hood Upgrades: Standards & Safety in 2025

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How many meals does your kitchen prepare each day? Commercial kitchens are bustling places with sizzling skillets, grills shooting up flames, boiling pots, and fryers spitting oil onto nearby surfaces. Your workers keep the pace, making sure dishes are in the waitstaff’s hands on time. Planning and meticulous time management cannot override an important aspect … Continued

The Hidden Costs of Skipping Commercial Cooling Maintenance

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Going from winter’s chilly, blustery days to spring and summer’s sudden heat and humidity is tough. There seems to be little time for your body to acclimate to the sudden switch. In a warehouse, manufacturing plant, restaurant, or other business, sharp increases in heat and humidity are tough on workers, clients, and stakeholders.  No one … Continued

The Importance of Spring Tune-Ups for Commercial Heating Systems

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As a busy business owner, you’re worried about summer’s heat and humidity. Winter heating isn’t on your mind right now. Did you know that a spring tune-up is the best time to get your commercial heating system cleaned and inspected? It may not seem like the best time to have an HVAC technician clean your … Continued

How to Prepare Your Commercial Cooling System for Seasonal Changes

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The technicians at Air Blue Heating and Cooling have seen it all. Compressors that make horrendous noises on a freezing winter morning to an entire cooling system that fails on the hottest summer’s day. In 30+ years, we’ve seen a lot, and we know the importance of staying one step ahead of the seasonal changes. … Continued

Warehouse Air Conditioning Challenges: Solutions for Large-Scale Spaces

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Across Illinois, it’s estimated that there are just over 6,500 leased storage or warehouse businesses. Transportation and warehousing businesses provide tremendous job growth in the state, but also pose problems with the summer heat. HVAC systems need to be designed by commercial HVAC specialists, or they don’t work effectively. Warehouses are large buildings with bay … Continued

Spring into Savings with a New Smart Thermostat

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It felt like winter wasn’t going to end, but it’s here. After a winter with very little snow and temperatures that bounced around and tossed in a few arctic blasts, warmer, sunnier days will follow. Now is the perfect time to celebrate the end of another winter with a new smart thermostat. Air Blue wants … Continued

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