by Chuck Allen | Mar 6, 2026 | Heating
Unit heaters are one of the most common heating solutions for warehouses, manufacturing facilities, garages, and service areas. They’re relatively simple, cost-effective, and reliable — but only when they’re sized and applied correctly. Unfortunately, unit...
by Chuck Allen | Mar 6, 2026 | Make-Up Air Units
Make-up air units (MAUs) play a critical role in industrial facilities by replacing exhausted air, maintaining building pressure, and supporting indoor air quality. However, improper sizing is one of the most common causes of comfort issues, code violations, and...
by Chuck Allen | Mar 4, 2026 | Controls
Modern HVAC equipment rarely operates in isolation. Unit heaters, make-up air units, VAV boxes, and fans are increasingly connected to building automation systems (BAS) for monitoring, control, and energy optimization. That’s where communication protocols come...
by Chuck Allen | Feb 10, 2026 | Brands We Represent
The New Era of Kansas City Ventilation In the world of airside HVAC, there is “off-the-shelf,” and then there is Acme Engineering & Manufacturing. At ChopAir, we don’t just represent brands; we represent standards. We are proud to announce that we are...
by Chuck Allen | Jan 23, 2026 | Blog
ASHRAE 62.1 is the industry standard for ventilation in commercial and industrial buildings. Its full title is “Ventilation for Acceptable Indoor Air Quality.” Compliance ensures that indoor air is safe, comfortable, and free from harmful contaminants, while balancing...