Directions to Sierra Boiler Service, Inc. Directions to Sierra Boiler Service, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Real Estate & Construction >> Contractor - Refrigeration & HVAC Sierra Boiler Service, Inc. 1380 Greg St, Suite 217Sparks, NV 89431 | map Candice George 17754751996 | 7752101757 Visit Site Get directions to: Sierra Boiler Service, Inc., 1380 Greg St, Suite 217, Sparks NV Get directions from: Click to Print This Page If your business isn't here, contact us today to get listed!