On average, these big models run from 140 to 200 hours on a propane tank, which is a shorter duration than their smaller counterparts. The best small whole-house generators in our ratings put out ...

Automatically restore power in just 10 seconds with the premium power of a Kohler generator that delivers ... to run on natural gas (9W) or liquid propane (10kW) with simple switching between ...

You’ll also want to think about how big of a generator you need, because along with propane usage, you’ll want to consider run time. Do you want to power the whole house in an outage?