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 Rear Door Carrier Install $495.00 Bunk Window install $399.00 Under-Cover Board Rack Installation $160.00 Window and Wall Cubbies 10x33 Installation $320.00 Elevation Bed Install $1,155.00