Here are three tricks to heat up your hot tub fast: Number one: keep your cover on a high quality cover will help prevent heat loss as the water warms up. Number two: turn on your jets. This will help evenly distribute the heated water and speed up the heating process, and number three, invest in better insulation. This means insulating the sides, bottom, and plumbing lines of your hot tub.

Good insulation will help retain heat, but whatever you do, do not fill your hot tub with boiling water. It can melt, damage and crack your hot tub. and it can void your warranty. Get our free hot tub cheat sheet at Swim.com Spa sheet.