https://tradepricebook.com/materials-price-index/ Monthly producer price changes for copper, plastic pipe and fittings, plumbing fixtures, water heaters, HVAC equipment and copper wire, from the BLS Producer Price Index. en-us Wed, 28 Oct 2026 12:00:00 GMT https://tradepricebook.com/materials-price-index/tradepricebook.com/materials-price-index/2026-09Wed, 28 Oct 2026 12:00:00 GMTBLS Producer Price Index for September 2026, released October 15, 2026. Copper and brass mill shapes: +30.0% from September 2025 (index 835.3). Plastics pipe: +3.7% from September 2025 (index 181.8). Plastics pipe fittings and unions: +7.9% from September 2025 (index 355.1). Plumbing fixtures and fittings: +5.8% from September 2025 (index 381.3). Domestic water heaters: not published for September 2026. Unitary air-conditioners, except air source heat pumps: +8.6% from September 2025 (index 303.9). Heat pumps: −4.1% from September 2025 (index 141.9). Furnaces and heaters, including parts: +2.5% from September 2025 (index 337.5). Copper wire and cable: +30.8% from September 2025 (index 607.7).