Home » Hot tub guides » How Long Do Wood Fired Hot Tubs Take to Heat Electric Hot Tub Heating Time: Formulas, Examples & Realistic Expectations (UK Guide)Choosing an electric hot tub heater can feel overwhelming. To make it easy, we’ve pulled together clear formulas, example calculations, and model-by-model estimates so you know what to … Continue reading How Long Do Wood Fired Hot Tubs Take to Heat