R.J.S. Technical Service ( Hot Tub Services ) has provided Southeastern Wisconsin with Solid 100 % Hot Tub service for 21 years . We are a Local , Family owned and operated Company . We offer complete service as well as Winterizing , Preventitive Maintenance Programs , and Emergency Service . We are a member of the BBB , Better Business Bureau , and Repair all Electrical , and Plumbing problems on All Brand and Model Hot Tubs . We are certified in Master Spa , Down East Spa , Freedom Spa , L.A. Spa , Jacuzzi , Viking Kies Backyard , Freeflow , Coleman , Maax , Hydra , Hydro-Spa , and Hawkeye Spas .