TURN HIDDEN PLUMBING WASTE INTO BUILDER PROFIT
Download Size Plumbing Smarter, a new guide from Green Builder Media, underwritten by IAPMO
Plumbing is often treated as a fixed cost in homebuilding — but oversized pipes and outdated design assumptions create hidden waste that eats into profit.
The IAPMO Water Demand Calculator® brings a modern, research-backed approach to new home building plumbing design, which has grown increasingly complex as water efficiency measures have changed the physics of inside water.
Size Plumbing Smarter explains the business, health, and environmental case for accurate plumbing estimates, with insights every home builder should know:
- Why traditional “stadium at halftime” assumptions never truly reflected how water is actually used in homes.
- Examples showing the potential impacts on upfront materials, connection charges, and long-term efficiency.
- Reported water savings, averaging about 500 gallons per dwelling per year—or the equivalent of an outdoor hot tub—as well as faster hot water delivery.
- How accurate estimates improve water quality and reduce risks from stagnation and bacteria.
- How jurisdictions are adopting its use.
IAPMO — Shaping the Built Environment with Collaborative, Informed, and Trustworthy Solutions.