Duct Leakage Testing Protocols under SMACNA Standards

Refrigeration Compressor Oil Return Troubleshooting Guide

Designing piping risers with oil traps to ensure refrigerant gas velocities carry oil back to the compressor housing.

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Sonam wajaba Feb 24, 2026

⏱ 4 min read

Calculating energy savings, light levels, luminaire maintenance factors, and payback periods of LED conversions.

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Sonam wajaba Sep 25, 2025

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Step-by-step procedures for pressurizing duct runs and calculating allowable leakage rates per SMACNA classes.

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Sonam wajaba Aug 06, 2024

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