BIS ISI Certification for Air Conditioners & Hermetic Compressors in India: Standards, Process & Requirements

Air conditioners are both a high-volume consumer product and, through their hermetic compressors, a category with genuine electrical and refrigerant-safety stakes — which is why BIS certification here covers not just the finished appliance but its key internal components. The governing order, the Air Conditioner and its Related Parts, Hermetic Compressor and Temperature Sensing Controls (Quality Control) Order, 2019 (S.O. 4354(E), dated 5 December 2019), has been amended more times than almost any other QCO on the books — nine revisions between 2020 and 2026 alone.

This guide lists the currently notified IS standards under this order, explains what BIS certification verifies, and walks through the licensing process, documentation, timeline and common pitfalls for manufacturers of room air conditioners and their compressors.

🎯 What Is BIS ISI (Scheme-I) Certification?

BIS Scheme-I is the classical Indian Standards Institution (ISI) mark scheme — India's original and most rigorous product certification route. Unlike the self-declaration model used under CRS for electronics, Scheme-I certification requires the manufacturer to hold a BIS licence granted only after laboratory testing and a physical BIS audit of the factory's manufacturing process and quality control system. The ISI mark on a product is a direct assurance that both the product and the process producing it meet the notified Indian Standard.

📄 The Governing Quality Control Order

This category is notified under the Air Conditioner and its Related Parts, Hermetic Compressor and Temperature Sensing Controls (Quality Control) Order, 2019 (S.O. 4354(E), dated 5 December 2019). Amended by orders in 2020 (S.O. 1518(E), 18 May 2020, and a Second Amendment Order), 2021 (S.O. 5095(E), 8 December 2021), 2022 (S.O. 5972(E), 21 December 2022), 2023 (S.O. 32(E), 29 December 2023), 2025 (S.O. 695(E), 11 February 2025, and S.O. 1815(E), 22 April 2025), and 2026 (S.O. 2324(E), 8 May 2026), plus the Transition Facilitation (Quality Control) Order, 2026 (S.O. 3417(E), 25 June 2026).

📜 IS Standards Currently Covered Under This QCO

As verified directly against the official BIS Scheme-I listing, this QCO currently notifies 5 Indian Standards, spanning unitary and split room air conditioners, ducted/package units, heat exchangers and hermetic compressors:

⚡ What BIS ISI Certification Verifies

BIS testing for room air conditioners evaluates cooling capacity and energy performance claims against the declared rating, electrical safety (insulation, earthing, protection against electric shock), refrigerant system integrity, and mechanical construction. Hermetic compressors (IS 10617) are tested separately for performance, electrical safety of the motor-compressor unit, and refrigerant containment — since a compressor failure can affect both appliance performance and safety. Heat exchangers (IS 11329) are evaluated for thermal performance and structural integrity of the finned coil assembly.

📋 Step-by-Step: BIS ISI (Scheme-I) Licensing Process

Scheme-I is a test-and-audit certification, more rigorous than the self-declaration route used for CRS-scheme electronics. The sequence is:

1. Identify the applicable IS standard(s)Confirm which of the notified Indian Standards under this QCO apply to your exact product variant and specification.
2. Test at a BIS-recognised laboratorySubmit representative samples for testing against the applicable IS standard. The test report is the foundation of the ISI licence application.
3. Prepare documentationCompile factory details, quality control records, product technical data, and — for foreign manufacturers — the Authorised Indian Representative (AIR) nomination under FMCS.
4. File the online applicationSubmit the application on the BIS Manak Online portal with the test report, factory details, and supporting documents.
5. Factory auditUnlike the CRS self-declaration route, Scheme-I (ISI) certification involves a physical BIS assessment of the manufacturing unit and its quality control system.
6. Grant of licence and ISI markBIS reviews the application and audit findings and grants the licence with a unique licence number, allowing use of the ISI mark on the product.
7. Surveillance, renewal and market samplingLicensees remain under periodic BIS surveillance, including market sample testing, and must renew the licence on schedule.

📂 Documents Required

A complete file at the outset shortens both the review and audit stages. You will typically need:

• Test report from a BIS-recognised laboratory against the applicable IS standard
• Factory registration, business incorporation and address proof
• Product technical specifications, drawings and bill of materials
• In-house quality control and testing facility details
• Manufacturing process flow chart and machinery list
• Trademark / brand authorisation documents
• For foreign manufacturers: Authorised Indian Representative (AIR) nomination under FMCS
• Marking / label artwork showing the IS standard and ISI licence number
• Authorised signatory details and application declarations

⏱ Timeline & Renewal

Because Scheme-I combines laboratory testing with a factory audit, timelines run longer than the self-declaration CRS route. Once granted, the BIS ISI licence remains subject to ongoing surveillance, including unannounced market sampling, and must be renewed on schedule to stay valid.

⚠ Common Mistakes That Delay ISI Licensing

• Certifying against a superseded standard — IS standards and their governing QCOs are periodically amended; always confirm the current in-force version before testing.
• Treating it like CRS self-declaration — Scheme-I requires a factory audit in addition to testing; manufacturers who plan only for lab testing are caught off guard by the audit stage.
• Missing a variant's distinct standard — product ranges spanning multiple IS standards in the same category need a separate licence for each; assuming one licence covers the whole range is a common and costly error.
• Foreign manufacturers skipping AIR appointment — an Authorised Indian Representative is required under FMCS before a foreign manufacturer's application can proceed.
• Letting surveillance and renewal lapse — an expired or surveillance-failed licence stops the ISI mark from being used, even mid-production run.

❓ Frequently Asked Questions

⭐ Why Choose Global Approbation

• Standard mapping — we identify exactly which notified IS standard(s) apply to your product variant.
• Lab & factory-audit coordination — testing at BIS-recognised laboratories and audit readiness, managed end to end.
• AIR for foreign manufacturers — we act as your Authorised Indian Representative under FMCS and hold the India compliance interface.
• Complete documentation — quality control manuals, process charts and application filing handled for you.
• Surveillance & renewal tracking — so your ISI licence stays valid and market-sample-ready.
• One compliance partner — ISI/Scheme-I alongside CRS, BEE, WPC, TEC and EPR where your product needs them.