This $3,817.00 NH DollarSaver certificate is good for one ENVIRO EMPRESS PELLET FIREPLACE INSERT from Hearthworks Fireplace Center in Hooksett. ENVIRO EMPRESS PELLET FIREPLACE INSERT: A more efficient cast iron heat exchanger has been included to save space. It's a cast iron pellet fireplace that appears more like a traditional fire. The cast iron doors open revealing a large viewing window to further enhance this look. Inside is a set of cast iron brick effect liners. The cast iron surround has an attractive arch design.The convection fan is variable speed and quiet running. The hopper size is adjustable to fit smaller fireplace openings. Advanced glass air wash system to keep the glass cleaner. Heats up to 2,200 square feet