(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.
Many insurance companies offer steep discounts for building owners and homeowners who install fire sprinklers â sometimes as much as 60%! Installing a fire sprinkler system in your home is one of the smartest investments you can make in your home.heyâre not expensive! The average costs for a fire sprinkler system are as follows: 1  A complete fire sprinkler system integrated into a new construction project costs about $1 â 2 per square foot. 2  This includes equipment and installation. 3  Retrofitting an existing building usually costs between $2 â 7 per square foot.