Field notes

Clema Blog

Industrial cooling, heat illness prevention, and OSHA compliance — written by the Clema founders.

Industrial crew working together in summer heat

May 30, 2026 · By Anna B. Albright

How to Choose a Cooling Vest for Your Crew: A 2026 Buyer's Guide

The four vest types, the seven specs that actually decide it, and how to match a cooling vest to the job — without buying for the catalog spec instead of the shift.

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Worker in extreme heat on an industrial site

May 30, 2026 · By Clément Messeri

How Does a Cooling Vest Work? PCM, Evaporative & Active Cooling Explained

A plain-English explainer of the four cooling-vest types — ice, phase-change, evaporative, and active — and which one holds up above 100°F.

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Industrial fans in extreme heat

Nov 17, 2025 · Updated Feb 17, 2026 · By Anna B. Albright

Industrial Cooling Is Broken: Why Cooling Vests Can't Handle Today's Extreme Temperatures

Personal cooling gear hasn't kept pace with industrial heat. A look at why ice, evaporative, and phase-change vests fail in real conditions — and what full-shift cooling has to do instead.

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Construction site at sunset

Dec 9, 2025 · Updated Feb 17, 2026 · By Anna B. Albright

What are the new OSHA heat requirements?

The 80°F and 90°F triggers, six tactical compliance moves, and why heat is a spatial — not general — risk for industrial operations.

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Industrial scaffolding in heat

Nov 24, 2025 · Updated Dec 13, 2025 · By Anna B. Albright

Why Manufacturing Floors Are Getting Hotter — And What Safety Leaders Can Actually Do About It

Why industrial buildings act like greenhouses, why conventional fans and ice fail on the floor, and what progressive EHS teams are piloting instead.

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Worker on desert pipeline

Feb 17, 2026 · By Clément Messeri

Preventing Heat Illnesses: Effective Heat Illness Prevention Strategies for Workers

Six prevention practices, the 85°F threshold, and how personal thermal management fits a real heat illness prevention program.

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Thermal cooling technology detail

Nov 17, 2025 · By Anna B. Albright

Industrial Cooling Gear Explained: What Actually Works Above 100°F

Why advanced cooling matters above 85–100°F, the 5-step implementation approach, and the $5,000 rule for cooling investment ROI.

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