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Air on the side of caution: HVAC for tunnels

Posted by Anthony Davis

|September 27, 2022

Air on the side of caution: HVAC for tunnels

Driven by global urbanization, demand for cost-effective, safe tunnels is growing. Reliable, energy-efficient components and systems – such as ventilation – are required...

Weekly Spot Prices - 11 Sep 2026

Indicative weekly spot prices for 60/70 grade. Actual delivered costs vary by packaging, logistics and duties.

Region	USD/tonne	Trend
Middle East · FOB (drums)	580	▲
Europe · Delivered	635	▼
Asia · Delivered (bulk)	600	▲
USA · Bulk	715	▲

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Air on the side of caution: HVAC for tunnels

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