Size a generator for this load

Computed on typical values; ranges shown below. 25% headroom applied.

Recommended generator

5,500–7,500W portable generator

  • Running watts: 4,500W typical (range 3,800W–5,500W)
  • Peak (starting) requirement: 4,500W (starting range 3,800W–5,500W)
  • With 25% headroom: 5,625W minimum rating

⚡ 240V required — this load needs a 240V-capable generator (e.g. an L14-30R outlet). Standard 120V-only inverters cannot run it at any wattage.

Planning estimates from the sourced ranges below — check your appliance’s nameplate first. Surge model assumes staggered starts (largest motor last); see how we calculate.

Calculator by GeneratorMath →