Retail Furniture Chain Sam Levitz Replaces Showroom’s Hot Halogen Spotlights with Super Efficient, Cool Burning LED Lighting. Estimated Annual Energy and Maintenance Savings of $268,000 Produces $3.1 Million in Savings Over Lifespan of the MSi Lights.   The “Sunshine Factory” has gotten a little bit brighter and greener thanks to the addition of over 5,000 MSi iPAR LED lighting fixtures. Tucson, Arizona based furniture retailer Sam Levitz recently replaced all of the halogen spotlights in four of its five locations with s...