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
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: Use the general rule of 10 watts per square foot