Eco Spas uses a different build process, and different build materials which makes us the longest lasting, most efficient and easiest to maintain spa in the business. Eco Spa is designed to keep the heat in and bacteria out. The only Lifetime Hard Cover Guarantee in the business! ! Runs on 110v standard wall plug or easily converted to 220v. No cement base required!! Ultra Low Maintenance!!!! Please send a message if you'd like to schedule a time to view us in any one of our showrooms in Calgary, Victoria, Vancouver, Kelowna or Kelowna. Check out our tubs at www.ecospasalberta.com