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

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. ...more

October 12, 2026

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

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. ...more

October 09, 2026

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

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. ...more

October 07, 2026

Facility Managers Must Measure Temp Rise When an RTU Stops Heating

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

October 05, 2026

Homeowners: Map Pump Sounds to Fixes for a Humming Circulator Pump

Safety first DIY checks map humming pump sounds to likely causes, give clear stop or call steps, and include Brighton Air Corp service. ...more

October 02, 2026

50–62 Inches: Thermostat Placement Homeowners Can Test Before Calling

Find the best thermostat placement: mount it 50 to 62 inches on an interior wall. Includes DOE and ASHRAE guidance, a simple test checklist, and when to... ...more

September 30, 2026