Solar Thermal Systems, Devices and Components
All Glass Evacuated Tubes Solar Water Heating System
Strategic Recommendations for All Glass Evacuated Tube Solar Water Heating System (IS 16544:2016)
- Apply Early for BIS Licence – Begin the certification process immediately to meet the April 12, 2025 deadline. Ensure that design, technical documentation, and QAP (Quality Assurance Plan) match the requirements of IS 16544:2016.
- Testing & Validation – Conduct type testing in BIS-recognised labs for critical parameters like thermal efficiency, tube quality, heat retention, and mechanical durability.
- Partner with Compliance Experts – ERA Compliance Team can support with documentation, test coordination, and ISI marking procedures.
- Contact ERA Support – 📧 cs@eraglobal.co.in | 📞 +91 9599296331 | 💬 WhatsApp – for certification filing, testing, and exemption advisory.
- Monitor Updates – Subscribe to ERA NEWSLETTER to Track any amendments/clarifications from MNRE or BIS, especially regarding updates to IS 16544.
- Conduct Gap Analysis – Audit existing designs and production against IS 16544:2016 (tube dimensions, selective coating, absorber efficiency, insulation, durability tests). Address deviations before formal application/testing.
| Section | Details |
|---|---|
| Product Name | All Glass Evacuated Tubes Solar Water Heating System |
| Applicable Indian Standard (IS) No. | IS 16544:2016 |
| Title of Indian Standard | All Glass Evacuated Tubes Solar Water Heating System – Specification |
| Quality Control Order | Solar Thermal Systems, Devices and Components (Quality Control) Order, 2024 (MNRE) |
| Notification & Amendments | Notified as S.O. 4485(E) dated October 8, 2024, published in Gazette October 14, 2024; later amendments to be tracked separately |
| Final Enforcement Date | April 12, 2025 (i.e., 180 days from Gazette publication) |
| Objective & Scope | To mandate BIS certification and ISI marking for All Glass Evacuated Tube Solar Water Heating Systems, ensuring quality, safety, and durability in solar water heating applications |
| Products Covered | All Glass Evacuated Tube Solar Water Heating Systems as listed in the QCO Schedule |
| Exemptions | Goods exclusively for export are exempt. (No MSME-specific phased timelines are provided in this QCO) |
| Industries Impacted | Solar water heating system manufacturers; OEM suppliers of evacuated tubes; importers and distributors of solar water heating components |
| Mandatory Compliance | Must conform to IS 16544:2016, bear ISI mark, and require BIS licence under Scheme-I of Schedule II of BIS (Conformity Assessment) Regulations, 2018 |
| Next Steps for Stakeholders | Apply for BIS licence; complete testing at BIS-recognised labs; affix ISI mark on product & packaging; update technical documentation |
| Legal Framework Provision & Enforcement | Enforced under BIS Act, 2016; non-compliance punishable under Section 29(3) (seizure, fines, imprisonment, suspension of licence) |
| Conclusion | From April 12, 2025, All Glass Evacuated Tube Solar Water Heating Systems must comply with IS 16544:2016 and carry BIS certification for sale in India |
| References / Annexures | Solar Thermal Systems, Devices and Components (QCO), 2024; IS 16544:2016 |
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Notification
 The product All Glass Evacuated Tubes Solar Water Heating System covered under Solar Thermal Systems, Devices and Components (Quality Control) Order, 2024, issued by the Ministry of New & Renewable Energy (MNRE), mandates BIS certification and compulsory ISI marking for All Glass Evacuated Tube Solar Water Heating Systems under IS 16544:2016. The Order was notified as S.O. 4485(E) on October 8, 2024 and published in the Gazette on October 14, 2024.
Enforcement Timeline
The QCO becomes enforceable from April 12, 2025 (180 days after publication). All manufacturers and importers must be compliant by this date.
Overview
 All Glass Evacuated Tube Solar Water Heating Systems are widely used in residential, institutional, and commercial sectors for energy-efficient hot water solutions. The QCO ensures that only tested, standardised, and certified systems enter the Indian market, enhancing thermal efficiency, reliability, and consumer safety.
Objective & Scope
The standard regulates design, material specifications of evacuated tubes, insulation, heat retention performance, and durability of the water heating system, ensuring consistency and quality across manufacturers.
Products Covered
Solar Water Heating Systems based on All Glass Evacuated Tube Technology.
Exemptions Provided
The Order exempts only products manufactured exclusively for export.
Industries Impacted
The regulation impacts solar thermal system manufacturers, OEM component suppliers, importers of evacuated tubes, and distributors/retailers of solar water heaters.
Mandatory Compliance Requirements
All systems must comply with IS 16544:2016, obtain a BIS licence (Scheme-I), undergo testing in BIS-recognised labs, and bear the ISI mark on units and packaging.
Legal Provisions, Enforcement & Penalties
Non-compliance is punishable under Section 29(3) of the BIS Act, 2016, which includes penalties such as seizure of goods, fines, imprisonment up to two years, and suspension/cancellation of BIS licence.
Conclusion
From April 12, 2025, All Glass Evacuated Tube Solar Water Heating Systems must conform to IS 16544:2016 and bear BIS certification, ensuring consumer safety, quality assurance, and market standardisation.
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.