IS 3315 BIS Certification for Evaporative Air Coolers (Desert Coolers)

About IS 3315

Editions and amendments of IS 3315

Amendments:First Amendment (2026). Test reports must reflect the standard with its amendments.

Marking fee for IS 3315

BIS charges an annual minimum marking fee for the ISI mark under IS 3315, set by unit size, plus a per-unit rate once production passes the minimum:

Unit rate: ₹0.85 per piece. Source: BIS marking fee schedule for Scheme-I products, September 2026.

Sampling and key tests for IS 3315

From the BIS product manual for IS 3315, which BIS officers and applicants follow for certification:

Sample quantity:01 No.

Raw material requirements:

• Motor- Fan Motor as per IS 996 or Capacitor type induction motor and BLDC motor as per Cl. 5.4.3, Electronic Controller- as per Cl. 5.8 Pump set- IS 11951

Tests BIS can carry out in a day during factory inspection:

• All tests

The full type test covers every clause of IS 3315; the list above is what can be checked on site.

ISI licences under IS 3315

BIS records 125 operative licences (131 including deferred, cancelled or under stop marking). Most licensed factories are in Uttar Pradesh (36), Haryana (28), Maharashtra (17), Rajasthan (13), Delhi (13).

Testing against IS 3315

BIS inspects the factory and has samples tested to the full Indian Standard at a BIS or BIS-recognised laboratory. After grant, the factory keeps testing production under the Scheme of Inspection and Testing, and BIS draws factory and market samples.

The test report has to cover every clause of IS 3315 that applies to the product, in the edition current on the date of testing. When BIS revises IS 3315 or replaces it with a new edition, existing licence holders move to the new edition by the date BIS sets in its notification.

How to get an ISI mark licence under IS 3315

The licence is granted to the manufacturer for a specific factory and product. Indian factories apply under Scheme-I; overseas factories apply under the Foreign Manufacturers Certification Scheme (FMCS) and must nominate an Authorised Indian Representative.

1. Confirm the exact Indian Standard and the varieties to cover
2. Get the product tested at a BIS-recognised lab (simplified procedure) or arrange BIS sampling
3. Apply on Manak Online with factory, quality-control and test documents
4. BIS factory inspection and sample verification
5. Grant of licence, then marking with the ISI mark and CM/L number

Timeline. BIS targets 30 days under the simplified procedure (applying with a recent lab test report) and 90 days under the normal procedure. Overseas factories under FMCS typically take around 6 months.

Fees. Application fee ₹1,000 and annual licence fee ₹1,000, inspection charges of ₹7,000 per man-day, testing charges, and an annual minimum marking fee set for each Indian Standard (with concessions for micro and small units).

Mark. Certified products carry the ISI Standard Mark with the IS number and the CM/L-XXXXXXXXXX licence number.

Frequently asked questions

Other standards in Air Cooler and Air Filters

• IS 17570 Air Filters for General Ventilation – Technical Specifications Requirements and Classification System Based Upon Particulate Matter Efficiency (ePM)

Source: BIS lists of products under compulsory certification (Scheme-I, Scheme-II), checked October 2026. See the full BIS product list or all Indian Standards.