Ventilation Engineering Comparisons

Axial vs centrifugal fan comparison: pressure capability, efficiency, noise, and applications. Complete engineering guide with performance curves, sizing data, and AMCA guidelines for fan selection.

Supply vs exhaust ventilation comparison: building pressure, air quality, energy efficiency, and application requirements. Complete guide with ASHRAE pressurization strategies and system selection.

Natural vs mechanical ventilation comparison: energy costs, air quality control, reliability, and building suitability. Complete engineering guide with ASHRAE requirements and design strategies.

VAV vs CAV systems comparison: energy efficiency, zone control, first cost, and operating cost analysis. Complete engineering guide with sizing examples and ASHRAE performance data.

Spiral vs rectangular duct comparison: friction loss, installation cost, leakage rates, space requirements, and acoustic performance. Complete guide with SMACNA sizing data and cost analysis.

HRV vs ERV comparison: sensible vs total energy recovery, climate selection, efficiency ratings (75-85%), humidity control, and cost analysis. Complete guide with ASHRAE sizing data.

AHU vs fan coil unit comparison: capacity, ventilation capability, cost, and application suitability. Complete engineering guide with sizing data and system selection criteria.

Equal friction vs velocity reduction duct sizing: pressure loss uniformity, design complexity, balancing requirements, and cost implications. Complete engineering guide with calculation examples and ASHRAE/SMACNA guidelines.