BIS (ISI) Certification for Heating, Climate Control, and Comfort Appliances in India
30. March 2026Certain electrical heating, climate control, and comfort appliances are subject to mandatory BIS (ISI) certification in India. The certification requirements are defined by the Bureau of Indian Standards (BIS) and ensure that electrical appliances comply with Indian safety, electrical protection, and performance standards.

For many appliances in this category, certification is based on the Indian Standard IS 302 (Part 1):2024, which is harmonized with the international standard IEC 60335-1:2020 for the safety of household and similar electrical appliances.
Manufacturers intending to sell or import these products in India must obtain BIS certification under the ISI Scheme. The certification confirms compliance with the relevant Indian Standards and generally involves product testing in BIS-recognized laboratories and factory inspections conducted by BIS authorities.
BIS (ISI) Certification under IS 302 (Part 1):2024 / IEC 60335-1:2020 – Safety of Heating and Comfort Appliances
The standard IS 302 (Part 1):2024, aligned with IEC 60335-1:2020, establishes general safety requirements for household electrical appliances, including devices designed for heating, indoor climate control, and thermal comfort applications.
The standard addresses essential safety aspects such as:
- protection against electric shock
- mechanical safety and structural integrity
- temperature limits and overheating protection
- fire hazards and insulation requirements
- safe operation under normal and abnormal operating conditions
Manufacturers of appliances covered by this standard must obtain BIS certification under the ISI Scheme. Compliance is verified through product testing according to the applicable standard and inspection of the manufacturing facility conducted by BIS.
Products typically covered under this category include:
- thermal storage room heaters
- humidifiers
- vaporizers
- fixed immersion heaters
- electric water boilers
- heating tools
- electrically heated blankets, heating pads, and heated clothing
- foot warmers and heating mats
- water-bed heaters
- warming plates
- clothes dryers and heated towel rails
- and further electrical appliances used for heating, climate control, or comfort functions in residential environments.
Depending on the appliance type, manufacturers may also need to comply with additional product-specific parts of the IS 302 / IEC 60335 standard series.
Is BIS Certification Mandatory for Heating and Climate Appliances in India?
If heating, climate control, or comfort appliances fall under mandatory BIS certification requirements notified by the Indian government, manufacturers must obtain BIS certification before the products can be imported, sold, or distributed in India.
Certified appliances must carry the ISI mark, which confirms compliance with the relevant Indian Standard and BIS safety requirements.
The requirements apply to both domestic manufacturers and foreign manufacturers exporting electrical appliances to India.
What Is the BIS (ISI) Certification Procedure?
The BIS ISI certification process for heating and comfort appliances generally includes the following steps:
- Identification of the applicable Indian Standard (IS)
- Preparation and submission of the BIS certification application
- Product testing in a BIS-recognized laboratory
- Factory inspection conducted by BIS officials to verify manufacturing and quality control systems
- Evaluation of test reports and inspection results
- Issuance of the BIS license authorizing the use of the ISI mark
Manufacturers must maintain ongoing quality control and compliance procedures after certification.
How Long Does BIS Certification for Heating Appliances Take?
The duration of the BIS certification process in India depends on several factors, including:
- complexity of the appliance
- duration of product testing
- completeness of application documentation
- scheduling of factory inspections
- BIS review and approval procedures
In practice, obtaining a BIS license may take several months.
MPR International GmbH – BIS (ISI) Certification Service for Heating, Climate Control, and Comfort Appliances
MPR International GmbH supports manufacturers in obtaining BIS certification for heating, climate control, and comfort appliances for the Indian market.
As a specialized certification service provider, MPR offers comprehensive support throughout the BIS ISI certification process, including:
- regulatory analysis of applicable Indian Standards for heating and climate appliances
- identification of relevant BIS certification requirements
- coordination of product testing with BIS-recognized laboratories
- review and preparation of technical documentation
- coordination of BIS factory inspections
- end-to-end support during the BIS license application process
With extensive expertise in BIS certification India, BIS registration, ISI certification, Indian Standards compliance, and regulatory market access for India, MPR International GmbH assists manufacturers in efficiently obtaining certification and achieving market access in India.
