(formerly) a royal or official messenger, especially one representing a monarch in an ambassadorial capacity during wartime. 2. a person or thing that precedes or comes before; forerunner; harbinger: the returning swallows, those heralds of spring. 3. a person or thing that proclaims or announces: A good newspaper should be a herald of truth.
1 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.2  For an average 2,200-square-foot home, expect to pay about $3,542. Nonmetallic installations average $1.18 per sprinklered square foot; a mix of both types costs on average $1.56 per sprinklered square foot; solely using metallic piping typically costs $3.19 per sprinklered square foot. 2  Location can play a role in the cost of fire sprinkler installation.
The primary purpose of this study is to review current home fire sprinkler system costs against the 2008 benchmark study to gain a better understanding of how increasingly widespread adoption of sprinkler ordinances impacts system cost.013 Cost of Residential Sprinkler Final Report-Newport Partners Page 30 For this community we were able to separate material and installation costs for the sprinkler systems. Material cost averages $4,352 for the three systems while the average installation cost is $8,650.