Pure Sine Wave inverters make no humming noise and require no maintenance during the entire lifespan of the inverter.
Pure Sine Wave inverters usually lasts 5+ years.
Square Wave inverters
Square Wave inverters make humming noise and require no maintenance during the entire lifespan of the inverter.
Square Wave inverters usually lasts 5+ years.
Solar inverters
Pure Sine Wave Solar inverters make no humming noise. There are a few Square Wave Solar inverters that make humming noise. Both Pure Sine Wave Solar inverter and Square Wave Solar inverter require no maintenance during the entire lifespan of the inverter.
Pure Sine Wave Solar inverter and Square Wave Solar inverter usually lasts 4+ years.
Hybrid inverters
Hybrid Sine Wave inverters make no humming noise and require no maintenance during the entire lifespan of the inverter.
