Safety of Household, Commercial and Similar Electrical Appliances
Thermal Storage Room Heaters
Strategic Recommendations for Thermal Storage Room Heaters
- Start BIS Certification Process Now
Initiate applications early to meet testing and approval deadlines. - Partner with Compliance Experts
ERA’s team can assist in documentation, testing coordination, and audit readiness. - Contact ERA Support Team
📧 cs@eraglobal.co.in | 📞 +91 9599296331 | 💬 WhatsApp
Comprehensive support for BIS certification and marking compliance. - Track Notifications & Circulars
Subscribe to the ERA Newsletter to stay updated on BIS circulars, amendments, and QCO deadlines. - Ensure Marking Before Sale
All units must display a valid ISI mark before being sold, imported, or distributed.
| Section | Details |
|---|---|
| Product Name | Thermal Storage Room Heaters |
| Applicable Indian Standard (IS) No. | IS 302 (Part 1):2024 |
| Title of Indian Standard | Household and Similar Electrical Appliances – Safety – Part 1: General Requirements |
| Quality Control Order | Safety of Household, Commercial and Similar Electrical Appliances (Quality Control) Order, 2025 |
| Notification & Amendments | Notified via S.O. 2232(E), dated 19 May 2025 Supersedes QCO 2024: S.O. 4098(E), dated 17 Sept 2024 |
| Final Enforcement Date | Large & Medium Enterprises: 19 March 2026 Small Enterprises: 19 June 2026 Micro Enterprises: 19 September 2026 |
| Objective & Scope | To ensure electrical safety, energy efficiency, and thermal performance of thermal storage room heaters through standardized BIS certification. |
| Products Covered | Electrically powered thermal storage heaters designed to store heat and release it gradually for space heating (≤250V AC / ≤480V DC). |
| Exemptions | - Export-only models - R&D imports up to 200 units/year - Schedule A stock clearance permitted for up to 6 months after enforcement |
| Industries Impacted | Heating Appliance Manufacturers, HVAC Equipment Suppliers, Hospitality Industry, Residential & Commercial Builders |
| Mandatory Compliance | - Must conform to IS 302 (Part 1):2024 - BIS certification under Scheme-I is mandatory - ISI mark must appear on product and packaging |
| Next Steps for Stakeholders | Apply for BIS license, complete product testing, ensure ISI marking, declare Schedule A stock |
| Legal Framework Provision & Enforcement | Enforced under BIS Act, 2016 by BIS with inspection and prosecution authority |
| Penalties | Non-compliance may result in seizure of stock, license suspension, fines, or imprisonment up to 2 years, or both |
| Conclusion | From 19 March 2026, BIS certification and ISI marking will be mandatory for all thermal storage room heaters sold in India. |
| References/Annexures | - QCO 2025: S.O. 2232(E) [19 May 2025] - Superseded QCO 2024: S.O. 4098(E) [17 Sept 2024] |
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Notification
Thermal Storage Room Heaters are regulated under the Safety of Household, Commercial and Similar Electrical Appliances (Quality Control) Order, 2025, issued via S.O. 2232(E) on 19 May 2025 under the BIS Act, 2016, replacing the earlier order dated 17 September 2024.
Overview
Thermal storage room heaters store heat during off-peak electricity hours and release it gradually, providing consistent warmth while optimizing energy use. The regulation ensures such appliances meet strict safety, performance, and durability standards.
Objective & Scope
To standardize electrical safety, heat retention, temperature control, and insulation requirements for thermal storage room heaters in compliance with IS 302 (Part 1):2024.
Products Covered
- Static storage heaters
- Fan-assisted storage heaters
- Combination storage/convection heaters
- Electric thermal storage units for space heating (≤250V AC / ≤480V DC)
Exemptions Provided
- Export-only products
- R&D imports up to 200 units/year
- Schedule A stock clearance up to 6 months after enforcement
Industries Impacted
- Heating appliance and HVAC manufacturers
- Hospitality sector (hotels, resorts)
- Commercial building operators
- Residential real estate developers
Mandatory Compliance Requirements
- BIS license under Scheme-I
- Conformance to IS 302 (Part 1):2024
- ISI marking required on product and packaging
Enforcement Timeline
- Large & Medium Enterprises: 19 March 2026
- Small Enterprises: 19 June 2026
- Micro Enterprises: 19 September 2026
Next Steps for Stakeholders
- Apply for BIS certification early
- Conduct BIS-approved lab testing
- Implement ISI marking before market release
- Declare Schedule A stock for clearance
Legal Provisions, Enforcement & Penalties
The BIS will enforce the regulation under the BIS Act, 2016.
Penalties for non-compliance include:
- Seizure of unmarked/non-compliant stock
- Suspension or cancellation of the license
- Fines and/or imprisonment up to 2 years, or both
Conclusion
From 19 March 2026, all thermal storage room heaters sold, imported, or manufactured in India must comply with IS 302 (Part 1):2024 and carry the ISI mark. Timely certification will ensure legal compliance, market continuity, and customer safety.
Ready to start your certification journey?
Let us help you navigate regulatory challenges and achieve certification with ease. Leave us your details, and we’ll get back to you—or request a free consultation today.