For a discussion. of the related concepts of entrepreneurial incentive, developerâs profit, contractorâs profit, profit, and project profit, see Appraisal Institute, The Appraisal of Real Estate, 13th ed.
According to the Fire Protection Research Organization's 2009 Fire Sprinkler Cost Assessment, sprinkler installation costs homebuilders $0.38-$3.66 per sprinklered square foot, with an average cost of $1.61 per sprinklered square foot. For an average 2,200-square-foot home, expect to pay about $3,542.
The cost of a home-sprinkler system will depend on a number of factors. A new-home, stand-alone installation can run anywhere from $1.00 to $1.25 per square foot, while a retrofit could cost $5 to $6 per square foot. residential sprinkler system will save a homeowner money in the event of a fire. When activated, a sprinkler head will spray 15 to 20 gallons per minute. âEighty to ninety percent of fires are put out with one sprinkler head,â Marshall says.