All Guides

Every guide we publish about Durostar — quick, direct answers to the questions readers ask most often.

• How long will a 20 lb propane tank run a 7500 watt generator?

  A 20 lb propane tank will run a 7,500-watt generator for roughly 3 to 5 hours, depending on the actual load on the generator at the time.

• How long will a 20 lb tank of propane run a generator?

  A 20 lb propane tank holds roughly 4.7 gallons of propane and will run a generator for anywhere from 3 to 10 hours, depending on the generator's wattage output and how hard you're

• Are DuroStar and DuroMax generators the same?

  DuroStar and DuroMax generators are nearly identical in engineering, with DuroMax winning only on alternator winding material — copper versus aluminum — at a significantly higher p

• How good is a DuroStar generator?

  DuroStar generators deliver genuine, field-proven performance for the price — the strongest reason to buy one is that DuroStar shares near-identical engineering with its DuroMax co

• Is DuroStar a good brand for generators?

  DuroStar is a solid brand for portable generators, particularly because it delivers near-identical engineering to its DuroMax counterpart — OHV engines, all-metal construction, and

• What is the number one rated portable generator?

  The DuroStar DS13000MX consistently earns top ratings among portable generators because it delivers 10,500 running watts with dual-fuel flexibility at a price point that undercuts

• What size portable generator will run a house?

  A portable generator in the 7,500–12,500 running watt range will power most houses, because that window covers the biggest load in most homes — a central air conditioner — plus a r

• Which portable generator is best for home?

  The DuroStar DS13000MX is the best portable generator for most homes because its 10,500 running watts cover a central AC, refrigerator, well pump, and lights simultaneously — the c

• What should you not plug into a generator?

  Sensitive electronics, sump pumps running at or near a generator's peak watt limit, and appliances with variable-speed motors are the most critical things to avoid plugging directl

• Is DuroMax a Chinese company?

  DuroMax is an American company, founded in 2003 and headquartered in Ontario, California — though DuroMax generators are manufactured in China, which is where the confusion typical

• What is the 20/20/20 rule for generators?

  The 20/20/20 rule for generators is a portable generator safety guideline: keep the generator at least 20 feet from any door or window, pointed so exhaust faces away, and install a

• What is the 80% rule for generators?

  The 80% rule for generators states that you should never run a generator above 80% of its rated running wattage continuously — so a generator rated at 10,500 running watts should c

• Who makes DuroStar generator engines?

  DuroStar generator engines are designed and specified by DuroMax Power Equipment, the California-based parent company behind both the DuroStar and DuroMax brands, and manufactured

• Who makes DuroStar generators?

  DuroStar generators are made by DuroMax Power Equipment, a California-based company founded in Ontario, CA in 2003 that also produces the DuroMax generator lineup under the same pa