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How to specify a Swamp Cooler

What to put on an RFQ for Swamp Cooler: the ratings, documents, and constraints that change the quote.

25 Oct 2026 · 3 min read · Tradinor Desk

Specification points for Swamp CoolerTRADINOR · FIGUREWhat to lock for Swamp CoolerInstallationNoiseCapacityAir or water
Put these on the RFQ for Swamp Cooler before you compare prices.

A buyer searching for Swamp Cooler is usually trying to stop a bad substitute. HVAC equipment is specified by capacity at a stated condition, the refrigerant or fuel, the air or water flow, and the noise. The notes below are selection criteria for a Swamp Cooler. They are not a catalog promise. Confirm every rating on the current datasheet, drawing, or test report for the revision you will receive.

What has to be true of Swamp Cooler

HVAC equipment is specified by capacity at a stated condition, the refrigerant or fuel, the air or water flow, and the noise. For a Swamp Cooler, start from the duty, then the interface to the rest of the machine or the room, then the document that proves the claim. A lower price that leaves one of those blank is a different product.

Swamp Cooler is easy to confuse with Heater HVAC. If the quote could be read as either, add the line that separates them: the rating, the fitment, or the standard named below. Link the drawing number to that line so receiving inspection can reject the wrong one.

Numbers that change the quote

Line What to write for Swamp Cooler
Installation Split, packaged, or a terminal unit, and the clearance.
Noise The sound figure at a stated distance.
Capacity Cooling or heating at the outdoor and indoor condition, not only a nominal ton.
Air or water Airflow or water flow and the pressure drop.
Electrical Voltage, phases, and the starting method.
Refrigerant or fuel The fluid, as the market allows. Handling it is a licensed job, not a note on this page.

How to compare two offers

Lay both quotes for Swamp Cooler on one sheet and line up installation, noise, and capacity. If a cell is empty, the offer is not finished. Ask for the missing line in writing. When those match, the honest difference is lead time, the test evidence, and who carries the warranty. Do not average a fully specified Swamp Cooler with a cheaper line that omitted installation.

Documents worth having before the deposit

Ask for the capacity at the design outdoor temperature. The file should name Swamp Cooler and the revision, not only the supplier’s homepage. A factory quality certificate such as ISO 9001 can sit beside that file. It does not replace it.

Failures that show up after delivery

  • Buying nominal tons and discovering the derate on a hot day.
  • Ignoring duct or pipe pressure drop.
  • Treating refrigerant work as a purchasing checkbox.

On a Swamp Cooler, the expensive version of the first mistake is discovering it after the goods are in the crate. Put the rejection condition in the purchase order while the supplier can still restate the offer.

A worked RFQ line

Use this shape, then replace the brackets with your duty: “Swamp Cooler — State capacity at a condition, airflow or water flow, electrical supply, and noise.” That sentence is a template, not a rating of any brand. If a supplier’s datasheet uses different units, convert them onto this sheet so the next offer can be compared.

Where words like explosion-proof / ATEX belong

Searches often add a constraint to Swamp Cooler: explosion-proof / ATEX, or IP67. Keep those on this page. ATEX or IECEx is a certificate for a zone, a gas or dust group, and a temperature class. An IP rating does not grant it. Skip the mark if the site is not hazardous. IP67 is dust-tight plus a defined temporary immersion. It is not a rating for living underwater, and it says nothing about sunlight or salt. If you need a third constraint, add it as another line on the same drawing. A second URL that only swaps the adjective does not give a buyer a second fact.

Related in this section: how to specify Heater HVAC.

Questions buyers actually ask

What should an RFQ for Swamp Cooler include?

State capacity at a condition, airflow or water flow, electrical supply, and noise.

Is a cheaper Swamp Cooler the same part?

Only if installation, noise, and the documents match. A missing line is a different offer.

Do waterproof, OEM, or IP words need their own page?

No. For Swamp Cooler they are extra lines on this specification. Ask for the test or the drawing that gives the word a value.