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Manual J Calculation: Check Code, Skip the 500 Square Feet per Ton Guess

BAC Admin

Published on: 12/10/2026

Learn how a Manual J calculation replaces the 500 square feet per ton guess, what to measure, and how ACCA approved software supports code compliant sizing.

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MERV vs HEPA: When to Use MERV 13 vs Portable HEPA in Your Home

BAC Admin

Published on: 09/10/2026

Should you fit MERV 13 in your ductwork or use a portable HEPA? Practical guidance on compatibility, costs, and when to call an HVAC pro.

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Homeowners: Fix HVAC Static Pressure When TESP Is 10–20% High

BAC Admin

Published on: 07/10/2026

Homeowners' guide to high static pressure in HVAC. See the 10–20% TESP threshold, safe DIY checks, and what a technician will measure and fix.

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Facility Managers Must Measure Temp Rise When an RTU Stops Heating

BAC Admin

Published on: 05/10/2026

Prioritized troubleshooting for facility managers: quick 10–20 minute checks, which readings (like temperature rise and gas pressure) to record, and when...

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