Use the general rule of 10 watts per square foot . Small rooms (up to 100 sq. ft.): 1000W. Medium rooms (100–150 sq. ft.): 1500W. Large rooms (150–200+ sq. ft.): 2000W or higher.
The safest choice for all-night use in bedrooms. They do not burn oxygen or reduce humidity, making them ideal for kids, the elderly, and asthmatics. Top options include the Havells Hestio series. buy room heater online india
Models with an adjustable thermostat save electricity by cutting off power once the desired temperature is reached. Top Brands to Consider Online Use the general rule of 10 watts per square foot
Best for quick, localized heating in small rooms. They use a fan to blow air over a heating element. Brands like Orpat are top sellers in this category. Medium rooms (100–150 sq
Always look for ISI certification , overheat protection , and a tip-over switch that shuts the device off if it falls.
Buying a room heater online in India requires matching the technology to your specific space and health needs. Major online retailers like Amazon India and Flipkart offer a wide range of options, from budget-friendly fan heaters starting under ₹1,000 to premium oil-filled radiators (OFRs) above ₹10,000. Different heating technologies serve specific purposes: