codes and standards - Page 1 | Plumbing & Mechanical

IAPMO Advances Development of 2027 We•Stand During Technical Committee Meetings

The technical committee considered public comments to amend the WE•Stand in advance of the release of the 2027 edition.

June 5, 2026

IAPMO urges its members and other interested parties to get involved in the development process to ensure effectiveness in preserving the public health, safety, and welfare.

IAPMO Advances Development of 2027 USHGC and USPSHTC During Technical Committee Meetings

The technical committees, consisting of a coalition of industry experts, considered public comments to amend the USHGC and USPSHTC in advance of the release of the 2027 editions.

Plumbing & Mechanical Editorial Staff

June 4, 2026

The USHGC is a model code developed by IAPMO to govern the installation and inspection of solar energy systems as a means of promoting the public’s health, safety, and welfare.

After the Strike: Code-Based Inspections for Residential Safety

Lightning events blur boundaries between systems, and the safest path back to service is to follow the model codes.

Mark Fasel

May 26, 2026

Lightning events blur boundaries between systems, and the safest path back to service is to follow the model codes.

The International Code Council's Building Safety Month

Plumbing & Mechanical Editorial Staff

May 11, 2026

For 46 years, Building Safety Month has helped people understand the impact that building codes have on their daily lives.

Guard on Compliance | Misty Guard

The Impact of EU Reach on Plumbing Component Materials

A look at the pending European regulations on per- and polyfluoroalkyl substances in light of the European Committee for Socio-economic Analysis draft opinion.

Misty Guard

May 7, 2026

European Union (E.U.) regulators have concluded that PFAS, which do not degrade in the environment, are a major problem.

Guard on Compliance | Misty Guard

New Mexico's PFAS regulations signal a new regulatory era

New Mexico's proposed 20.13.2 NMAC rule serves as a highly detailed prototype for how regulators plan to track and restrict PFAs.

Misty Guard

April 8, 2026

As the United States (U.S.) States pioneer regulations for trace chemicals, manufacturers, specifying engineers, and contractors must adapt to a new era.

Code literacy: the contractor's best advantage

Traditionally, code knowledge was defensive. Today, it's an offensive strategy.

Kristen R. Bayles

March 11, 2026

Codes are expanding into areas like resilience, electrification, water quality management and long-term accountability. No longer are they static rulebooks; they’re living frameworks shaping how systems perform over decades.

Guard on Compliance | Misty Guard

Beyond flow rates: the structural shift in state-level mechanical and plumbing regulation

The most significant compliance fissure lies between states that codify specific metrics and those that adopt "dynamic" regulatory pointers.

Misty Guard

March 6, 2026

Although lower flow rates and higher energy factors remain central, the bills pending in Arizona, Illinois, Massachusetts, Pennsylvania and Virginia reveal a more profound structural shift.

A guide to rebates, including how to stack them

Rebates, without the headaches

Kristen R. Bayles

February 11, 2026

Presenting rebate amounts and net costs alongside energy savings over time can shift the conversation from “How much will it cost?” to “What’s this really worth?”

IAPMO’s Dain Hansen recognized among The Hill’s Top 100 Lobbyists for fourth time

IAPMO’s executive vice president of Government Relations, has earned a fourth consecutive spot on The Hill’s Top 100 Lobbyists list.

December 17, 2025

Selected from thousands of nominations, The Hill’s Top Lobbyists have made measurable impacts on the course of policy and politics, whether for corporations, small businesses, local governments, nonprofits, unions or trade associations, according to the publication.