Commercial Water Heater Market Size, Share & COVID-19 Impact Analysis, By Storage Capacity (Below 500 L, 500-1000 L, 1000-2000 L, 2000-3000 L, More than 3000 L) By Power Rating (0 to 10 kW, 10 to 50 kW, 50 to 100 kW, 100 to 300 kW, More than 300 kW), By Fuel Type (Electric, Gas, Oil, Solar, Hybrid, Others), By Application (Healthcare, Restaurants, Institutes, Offices, Others), and Regional Forecasts, 2021-2032