Shell and tube type

Shell and tube type heat exchange units for air conditioners

BIS QCO APPLICABLE · ISI MARK SCHEME · IS 11329

HSN 8419 50 11 (shell and tube type heat exchange units) is covered by a Bureau of Indian Standards Quality Control Order. Conformity to IS 11329:2018 is mandatory under the ISI Mark Scheme with effect from 01 October 2023, by virtue of the Air Conditioner and its Related Parts Hermetic Compressor and Temperature Sensing Controls (Quality Control) Amendment Order, 2025. No separate customs-clearance overlay beyond BIS applies to this tariff line.

What this is

HSN code

8419 50 11

Chapter

84 · Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

BIS QCO

Applicable · ISI Mark Scheme · CM/L required

Indian Standard

IS 11329:2018 · effective 01-10-2023

Applicable Partner Government Agencies

BISBIS·Bureau of Indian Standards

Compliance steps

1
Source only from a Bureau of Indian Standards CM/L-licensed manufacturer holding a current licence against IS 11329:2018 for finned type heat exchangers for room air conditioners. Verify the supplier's CM/L number, licensed product scope, and manufacturing facility address on the BIS online register before placing the purchase order.
IS 11329:2018 · Air Conditioner and its Related Parts Hermetic Compressor and Temperature Sensing Controls (Quality Control) Amendment Order, 2025 · S.O. 4354(E) dated 05-12-2019
2
Ensure every heat exchange unit bears the ISI mark and the supplier's CM/L licence number under Scheme-I of Schedule-II of the BIS (Conformity Assessment) Regulations, 2018. The standard mark must appear on the product itself, not on the packaging or carton alone.
Scheme-I of Schedule-II of the BIS (Conformity Assessment) Regulations, 2018 · Air Conditioner and its Related Parts Hermetic Compressor and Temperature Sensing Controls (Quality Control) Amendment Order, 2025
3
Obtain and retain the supplier's test and certification documentation demonstrating conformity to IS 11329:2018 for the specific product variant. Confirm the documentation references the licensed manufacturing facility and the CM/L scope covering the consignment's heat exchanger configuration.
IS 11329:2018 · S.O. 4354(E) dated 05-12-2019 as amended
4
Quote the supplier's BIS CM/L licence number on the bill of entry. Customs verifies the CM/L in real time against the BIS register; an absent, expired, or scope-mismatched licence triggers consignment detention, demurrage, and potential re-export or confiscation.
BIS Act, 2016 · Customs Act, 1962 · S.O. 4354(E) dated 05-12-2019
5
If claiming an exemption, identify the applicable paragraph 2 carve-out under one of the series of amending notifications. Document the exemption basis with the specific notification reference before the consignment departs origin.
S.O. 4354(E) dated 05-12-2019; S.O. 1518(E) dated 18-05-2020; S.O. 4671(E) dated 22-12-2020; S.O. 5095(E) dated 08-12-2021; S.O. 5972(E) dated 21-12-2022; S.O. 32(E) dated 02-01-2024; S.O. 695 dated 11-02-2025; S.O. 1815(E) dated 17-04-2025

A word of counsel

The single most common error on this tariff line is importing shell and tube heat exchange units under a CM/L licence that covers a different heat exchanger configuration — for example, a plate or brazed-plate unit licence presented for a finned shell-and-tube consignment. IS 11329:2018 covers multiple heat exchanger types, but the CM/L licence is scope-specific to the configuration and model declared at certification; customs detains any consignment where the declared product type falls outside the exact licensed scope. Verify that the supplier's CM/L explicitly covers finned shell-and-tube units for room air conditioners, not merely heat exchangers generically.

Need a regulatory steer on this product?

Speak to a regulatory counsel about your specific HSN, IS, and supplier situation.

Speak to an Expert

Frequently asked

Does HSN 8419 50 11 require BIS certification?

Yes. Finned type heat exchangers for room air conditioners under this tariff line must conform to IS 11329:2018 and bear the ISI mark under a Bureau of Indian Standards CM/L licence, with effect from 01 October 2023, under the Air Conditioner and its Related Parts Hermetic Compressor and Temperature Sensing Controls (Quality Control) Amendment Order, 2025.

Are any imports of shell and tube heat exchange units exempt from the BIS QCO?

Exemptions are available under paragraph 2 of the controlling notifications, as amended by S.O. 1518(E), S.O. 4671(E), S.O. 5095(E), S.O. 5972(E), S.O. 32(E), S.O. 695, and S.O. 1815(E). The specific exemption category must be documented before shipment.

Does IS 11329:2018 cover all heat exchanger types, or only shell and tube configurations?

IS 11329:2018 covers multiple heat exchanger configurations; however, the BIS QCO obligation under S.O. 4354(E) as amended applies specifically to finned type heat exchangers for room air conditioners falling under HSN 8419 50 11. The CM/L licence must match the exact configuration of the imported unit.

Does a single CM/L licence cover all finned heat exchanger models and manufacturing facilities?

No. The CM/L licence is facility-specific and model-specific; units outside the licensed product scope or produced at an unlicensed manufacturing plant are not covered, and customs detains the consignment on a scope mismatch.

Last verified against gazette notifications: 2026-05-18. Source: BIS / Indian Customs CUSDATA.