Products › Espar Heater Install Image 1 of 1 Espar Heater Install $999.00 Install an Espar style heater under your passenger seat, in a Sprinter, Transit or Promaster. Add To Cart Added! Install an Espar style heater under your passenger seat, in a Sprinter, Transit or Promaster. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Wall Kit for Sprinter - Coming Soon Installation $2,560.00 The Juicebox -- 240 to 360AH Installation $320.00 Bunk Window install $399.00 Elevation Bed Install $1,155.00 Storage/ski Box Install - Onto Avatar/Aluminess Carrier $165.00