21 – 50 kVA

21–50 kVA Diesel Generators

This is the kVA range where most residential and light commercial buyers land. It covers off-grid homes and solar systems that need reliable backup power, small farms with pumping and equipment loads, trade sites running several tools at once, and small businesses where an outage causes real disruption.

A 21 kVA unit gives a standard off-grid home enough headroom to run air conditioning alongside the usual kitchen and lighting loads without pushing the generator hard. Higher rated units (33 kVA, 44kVa) have more capacity for larger households, homesteads with irrigation pumps, or small commercial premises.

FAQs

What size generator do I need for a 4-bedroom house?

Most 4-bedroom homes with air conditioning and standard appliances sit comfortably between 20–33 kVA. Add a workshop, irrigation, or other high-draw equipment and you’ll want to look at the upper end of this range or the 51–100 kVA bracket.

Is a 33 kVA generator suitable for a small farm?

For small operations with a few water pumps, sheds, and a residence, it can be. Larger properties with heavy bore pumps, grain handling, or multiple dwellings will generally need 50 kVA or more. It depends on your energy requirements, which our team can help you figure out.