ENGINEERING KNOWLEDGE

Technical Resources

Engineering information, selection guidance and practical HVAC references from Hollis & Pike.

HVAC applications engineers reviewing mechanical plans

All notes Technical Guides Selection Guides Engineering Notes Replacement Guides

NOTE 01

Selection Guides · 4 MIN READ

Air-Cooled vs Water-Cooled Chillers: What Actually Changes the Decision?

Capacity alone does not determine the right central plant. Climate, operating profile, water strategy, acoustics and available space all materially change the answer.

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NOTE 02

Selection Guides · 4 MIN READ

What Information Is Needed to Select an AHU?

An air handling unit selection is only as reliable as the brief behind it. Airflow, design conditions, filtration, heat recovery, the space available and the control strategy all shape the unit.

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