The EngBuyer Journal

Procurement

Sourcing Certified Air Handling Units: Compliance Standards

An outline of Eurovent and AHRI compliance certifications to verify when sourcing heavy-duty HVAC air handlers.

SO

Sonam wajaba Apr 26, 2025

⏱ 5 min read

Mechanical

Piping System Design for High-Viscosity Fluid Transfer

Sizing gear pumps, line diameters, and heating jackets to transfer heavy oils, resins, and polymers.

SO

Sonam wajaba Apr 20, 2025

⏱ 5 min read

Procurement

Single Vendor vs Multiple Vendor Strategy

Discover the key differences between single and multiple vendor strategies. Learn how to balance operational simplicity and cost savings against risk diversification and innovation to optimize your procurement model.

DE

Deepak karke Apr 15, 2025

⏱ 9 min read

HVAC

Sizing and Selecting Air-Cooled Chillers for Process Cooling

Sizing process loads, specifying glycol/water mix ratios, and calculating chiller performance at peak ambient heats.

SO

Sonam wajaba Mar 31, 2025

⏱ 4 min read

HVAC

Psychrometric Analysis Guide for HVAC Humidity Control

Using psychrometric formulas to calculate sensible heating, cooling loads, dehumidification, and latent cooling factors.

DE

Deepak karke Mar 28, 2025

⏱ 4 min read

Mechanical

Troubleshooting Alignment Issues in Split-Case Pumps

Step-by-step procedures for dial indicator alignment checks and soft foot correction on heavy split-case assemblies.

DE

Deepak karke Mar 21, 2025

⏱ 4 min read

HVAC

Sizing and Selecting Fan Coil Units for Commercial Offices

Calculating sensible and latent heat loads to select quiet 2-pipe or 4-pipe fan coil configurations.

SO

Sonam wajaba Mar 11, 2025

⏱ 4 min read

HVAC

Refrigerant Transition Guide: Moving to Low-GWP Alternatives

Understanding the phaseout of R-410A and transitioning process chillers to R-32 or R-454B safe alternatives.

SO

Sonam wajaba Mar 08, 2025

⏱ 4 min read

Electrical

Preventative Maintenance Checklist for Medium-Voltage Transformers

Testing transformer oil dielectric strength, insulation resistance (megger), and cleaning MV terminal bushings.

DE

Deepak karke Mar 01, 2025

⏱ 4 min read