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. Quantity: 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 The Juicebox -- 240 to 360AH Installation $320.00 Galley Install $555.00 Dometic RTX 2000 Air Conditioner 12V $2,399.00 Storage/ski Box Install - Onto Owl/Flatline/Flarespace Carrier $330.00 Fan Install $499.00