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How often should a generator be serviced? At a minimum, a generator should be serviced by a professional at least once a year and the oil & filters changed during that time.

8) How much does it cost a month to run the generator when it runs for 10 minutes a week? Depending on the price of natural gas, it shouldn't cost more than $5 or $10 per month to run the unit in exercise mode. During a power outage, under 50% load expect to pay around $20-$40/day for gas usage.

Scheduled maintenance kits are available and many Generac authorized dealers offer annual maintenance contracts for a worry-free ownership experience. We recommend you have your unit serviced every 6 months by an authorized independent service dealer.

Portable generators require engine oil level checks before each use. At 100 hours or every year, change the oil and inspect/clean the spark arrestor. The spark plug should be changed every year. Valve clearance should be checked either every year or at 300 hours.

Like any other engine-powered machine, standby generators require regular maintenance. For example, just like your car needs an oil change every 3 months or 3,000 miles, most standby generators need one every year.

For home standby generators, regular maintenance includes changing air filters, oil and oil filters, spark plugs, checking battery charge, sediment traps, valve clearance, and cleaning the generator from dirt and debris inside the enclosure and outside around the unit.

How often should a generator be serviced? At a minimum, a generator should be serviced by a professional at least once a year and the oil & filters changed during that time.

The average cost for a home generator is approximately $12,000 to $25,000 upfront plus anywhere between $200 to $600 per year for maintenance and repair costs.