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Dr. Duct India — industrial and commercial air cooling

Guides & resources

Practical guides to industrial air cooling

Plain-English engineering guides from the people who build and install the systems — how evaporative cooling compares to AC on cost, how to size it, and whether it suits your climate. No jargon, no sales spin.

  • Manufacturer-direct pricing
  • Free site survey & heat-load study
  • Up to 88% lower running cost than AC
  • Installation by our own team
  • Serving all of India from Jodhpur

Start here

The three questions everyone asks

Sizing guide

How to size an industrial air cooler

The air-changes-per-hour method, the formula and a worked example — how to get a sound estimate before you pay for a survey.

6 min read →

Humidity & climate

Does evaporative cooling work in humidity?

The honest answer depends on how dry your air is. Where it works brilliantly, where to be careful, and the two site factors that decide it.

5 min read →

More help

Beyond the guides

Read the guides, then get a real number.

When you are ready, send your floor area and city and we will size it and quote it in writing — usually within one working day.