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Table of Contents
Table of Contents
When buying a room heater in India, safety should always come first. With frequent reports of electrical accidents during winter, choosing an ISI certified room heater is not optional—it’s essential. ISI certification ensures that the heater meets Indian safety and quality standards set by the Bureau of Indian Standards (BIS).
In this guide, we’ll explain what ISI certification means, why it matters, and list the best ISI certified room heaters in India along with buying tips to help you choose the safest option for your home.
What Is ISI Certification?
ISI (Indian Standards Institute) certification is a quality mark issued by BIS. It confirms that an electrical appliance complies with Indian safety, performance, and durability standards.
Why ISI Certification Is Important for Room Heaters
- Prevents overheating and fire hazards
- Ensures proper insulation and wiring
- Reduces risk of electric shock
- Mandatory for many electrical appliances in India
Never buy a room heater without ISI certification, especially for home or bedroom use.
Types of ISI Certified Room Heaters Available in India
Before choosing a model, it’s important to understand the types of ISI-approved heaters commonly sold in India.
1. Oil Filled Room Heaters (OFR)
- Best for long hours and overnight use
- Silent and energy efficient
- Ideal for bedrooms and living rooms
2. Fan / Blower Heaters
- Quick heating
- Suitable for short-term use
- Good for small to medium rooms
3. Quartz & Halogen Heaters
- Instant radiant heat
- Best for personal heating
- Lower power consumption
- ✅ 【Heating Tech】: Operate with efficiency as the heater requires just 2400watts, combining power and energy-saving benef…
- ✅ 【Temperature Control】: Choose from three distinct heat settings(800W/1200W/2000W), allowing you to tailor your comfort…
- ✅ 【Design】: Elevate your space with international design and contemporary styling
Best ISI Certified Room Heaters in India
Below are some of the most trusted ISI certified room heater options from reliable Indian brands.
1. Havells Oil Filled Room Heaters (ISI Certified)
Havells is one of the most trusted electrical brands in India. Their oil filled room heaters come with advanced safety features and ISI certification.
Key Features
- ISI & BIS approved
- Overheat protection
- Tip-over safety switch
- Silent operation
Best For: Bedrooms, families, overnight use
- MICATHERMIC TECHNOLOGY: The heating element is embedded with in mica stone thereby providing quick and efficient heating
- RAPID HEATING: Micathermic panel heaters heat quickly. It heats up a larger area with little efforts
- SILENT OPERATION: with no fan required ,mica panel heaters perform without added noise
2. Usha ISI Certified Room Heaters
Usha offers a wide range of ISI certified heaters, including fan heaters, quartz heaters, and oil filled radiators.
Key Features
- Strong build quality
- Excellent safety standards
- Reliable after-sales service
Best For: Long-term home use and large rooms
- Meant for Spot Heating
- Room Size: Upto 150 sq ft, Overheat Protection: Yes
- ISI Mark
3. Bajaj ISI Certified Room Heaters
Bajaj room heaters are popular for their affordability and reliability. Most Bajaj heaters carry ISI certification and essential safety features.
Key Features
- ISI marked models
- Thermal cut-off protection
- Budget-friendly pricing
Best For: Budget buyers and small rooms
- 【Heating Tech】: Designed for targeted heating, suitable for rooms 100-150 Sq Ft. Features a motor made from 100% pure co…
- 【Temperature Control】: Incorporates an automatic thermal cut-off for enhanced safety, offering two heat settings of 1000…
- 【Plug Type】: 16A
4. Orient Electric ISI Certified Heaters
Orient Electric focuses on energy efficiency and modern design while maintaining safety standards.
Key Features
- ISI certified heating elements
- Adjustable thermostat
- Compact and stylish design
Best For: Bedrooms and offices
- Meant for Spot Heating, Room Size: Upto 250 sq ft. 100% Pure Copper Wire Motor for long life.
- Ideal for a small / medium room only, i.e., up to 250 sq. ft.
- Plug type: 15A, do not plug in the standard 5 or 6A socket, you may require a 3 pin plug or extension cord to act as a 5…
5. Morphy Richards ISI Certified Heaters
Morphy Richards heaters are known for premium build quality and advanced safety mechanisms.
Key Features
- ISI approved components
- Auto shut-off
- High-quality insulation
Best For: Premium home heating solutions
- Full Room Warmth: 25 Watts 11 Fin Oil Filled Radiator for Noiseless Full Room Comfort During Winters
- Personalized Comfort: Customized to your heating needs with an adjustable thermostat to maintain desired room temperatur…
- Peace of Mind: Featuring safety tilt & an auto thermal shutoff to prevent overheating.
Comparison Table: ISI Certified Room Heaters
| Brand | Heater Type | ISI Certified | Best Use |
|---|---|---|---|
| Havells | Oil Filled | Yes | Bedrooms, overnight |
| Usha | OFR, Fan, Quartz | Yes | Large rooms |
| Bajaj | Fan, Quartz | Yes | Budget homes |
| Orient | OFR, Fan | Yes | Offices, bedrooms |
| Morphy Richards | OFR | Yes | Premium use |
How to Check ISI Certification Before Buying
To ensure your heater is genuinely ISI certified:
- Look for the ISI logo on the heater body
- Check the ISI number on packaging
- Verify product details on the BIS website
- Avoid cheap, unbranded heaters
Safety Tips When Using ISI Certified Room Heaters
Even with ISI certification, safe usage is crucial.
- Keep heater away from curtains and furniture
- Do not use extension cords
- Avoid overnight use with fan or quartz heaters
- Ensure proper ventilation
- Always switch off before sleeping (except OFR with thermostat)
Which ISI Certified Heater Is Best for You?
Choose an ISI Certified Oil Filled Heater If:
- You need heating for long hours
- Safety is your top priority
- You want silent operation
Choose an ISI Certified Fan or Quartz Heater If:
- You need quick heat
- You use it for short durations
- You have a small room
Advantages of Buying ISI Certified Room Heaters
- Higher safety standards
- Longer lifespan
- Lower risk of accidents
- Better resale and trust value
- Compliance with Indian laws
Common Mistakes to Avoid
- Buying heaters without ISI mark
- Using old or damaged power sockets
- Placing heaters near water sources
- Leaving heaters unattended
Final Verdict: Best ISI Certified Room Heaters
ISI certified room heaters are the safest and smartest choice for Indian homes. Whether you choose an oil filled heater for overnight comfort or a blower heater for instant warmth, always ensure it carries the ISI mark.
Our Recommendation:
- Best overall safety: ISI Certified Oil Filled Room Heater
- Best budget safety option: ISI Certified Fan Heater
- Best for bedrooms: ISI Certified OFR with thermostat
Investing in an ISI certified heater ensures peace of mind, safety, and long-term value during winter.
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