Price Increases May 2025: Manufacturer Letters by Trade
109 manufacturer price-increase letters from 100 brands take effect in May 2025, grouped by trade. Every row links to the original letter.
By trade: Electrical Supply (63) · Plumbing Supply (22) · Drywall (10) · Fire Sprinkler & Fire Protection (4) · HVAC Equipment (4) · Roofing Material (3) · Decking & Railing (1) · Fencing (1) · Insulation (1)
Electrical Supply (63) Electrical May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2025 | Bussmann | Targeted price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Champion Cutting Tools | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Cummins | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Dart Controls | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Diode LED | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Galvan | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Generac: Service Parts & Accessories | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Greenlee | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Hilti | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Keystone | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | LEDvance | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Midwest Electric Products | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Milbank | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Milwaukee Tool | Price increase. | see letter | Womack Electric Supply letter · Bartle & Gibson (Canada) |
| May 1, 2025 | Ortronics/ Quicktron | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Pilz | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Red Lion | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Reliance | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Shat-R-Shield | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Siemens | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Southwire: Products Outside of Electrical Components | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Telemecanique | Price increase. | see letter | Womack Electric Supply |
| May 1, 2025 | Thomas & Betts | Price increase. | see letter | Womack Electric Supply |
| May 2, 2025 | Ideal Industries | Price increase. | see letter | Womack Electric Supply |
| May 2, 2025 | Intermatic | Price increase. | see letter | Womack Electric Supply |
| May 3, 2025 | Mersen | Price increase. | see letter | Womack Electric Supply |
| May 3, 2025 | RAB | Price increase. | see letter | Womack Electric Supply |
| May 4, 2025 | Schneider Electric | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | American Lighting | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Atkore: Calconduit – Steel | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Current Lighting | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Fluke | Price increase and tariff surcharges. | see letter | Womack Electric Supply |
| May 5, 2025 | IDEAL Electrical | Canada pricing IDEAL Electrical will be implementing a price increase effective May 5th, 2025. Inflationary pressures continue to have an impact on labour, transportation and other manufacturi… |
see letter | letter · Bartle & Gibson (Canada) letter · Bartle & Gibson (Canada) |
| May 5, 2025 | Ideal Industries | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Kichler Lighting | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Leviton | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Nicor | Price increase. | see letter | Womack Electric Supply |
| May 5, 2025 | Progress Lighting | Price increase. | see letter | Womack Electric Supply |
| May 7, 2025 | Air King | Price increase. | see letter | Womack Electric Supply |
| May 7, 2025 | Baco Controls | Price increase. | see letter | Womack Electric Supply |
| May 7, 2025 | Dottie | Price increase. | see letter | Womack Electric Supply |
| May 8, 2025 | Broan-NuTone | Price discontinuation and replacements. | see letter | Womack Electric Supply |
| May 9, 2025 | Hammond | Price increase. | see letter | Womack Electric Supply |
| May 9, 2025 | Wattstopper | Price increase. | see letter | Womack Electric Supply |
| May 12, 2025 | Hammond | Price increase. | see letter | Womack Electric Supply |
| May 12, 2025 | Max-Lite | Price increase. | see letter | Womack Electric Supply |
| May 12, 2025 | Pepperl+Fuchs | Price increase. | see letter | Womack Electric Supply |
| May 12, 2025 | Saginaw | Price increase. | see letter | Womack Electric Supply |
| May 12, 2025 | Wiremold | Price increase. | see letter | Womack Electric Supply |
| May 15, 2025 | Bussmann | Price increase. | see letter | Womack Electric Supply |
| May 15, 2025 | Chemelex | Price increase. | see letter | Womack Electric Supply |
| May 15, 2025 | Peco | Price increase. | see letter | Womack Electric Supply |
| May 15, 2025 | Rack-A-Tier | Price increase and prepaid freight threshold for U.S. customers will increase. | see letter | Womack Electric Supply |
| May 16, 2025 | Wago | Price increase. | see letter | Womack Electric Supply |
| May 19, 2025 | American Fluorescent | Price increase. | see letter | Womack Electric Supply |
| May 19, 2025 | Diode LED | Price increase. | see letter | Womack Electric Supply |
| May 19, 2025 | Leviton | Price increase. | see letter | Womack Electric Supply |
| May 19, 2025 | Maclean | Price increase. | see letter | Womack Electric Supply |
| May 21, 2025 | IDEC | Price increase. | see letter | Womack Electric Supply |
| May 21, 2025 | Intermatic | Price increase. | see letter | Womack Electric Supply |
| May 26, 2025 | Rittal | Price increase. | see letter | Womack Electric Supply |
| May 27, 2025 | Midwest Electric Products | Price increase. | see letter | Womack Electric Supply |
| May 31, 2025 | Mencom | Price increase. | see letter | Womack Electric Supply |
Plumbing Supply (22) Plumbing & PVF May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2025 | Liberty Pumps | Canada pricing Liberty Pumps is implementing a price increase on May 1, 2025. The increase will be 6% across all products in Canada. |
6% | letter · Bartle & Gibson (Canada) letter · Bartle & Gibson (Canada) |
| May 1, 2025 | Ridgid | 5.9% tariff-related surcharge increase. Previous price announcement from 3/19/25 has been retracted. | 5.9% updates an earlier letter |
Cooney Brothers Womack Electric Supply |
| May 1, 2025 | Slant/Fin Baseboard | Canada pricing May 1, 2025: Slant/Fin Baseboard are implementing a 10% surcharge on the net value of new purchase orders. |
10% | letter · Bartle & Gibson (Canada) |
| May 1, 2025 | Viega | 20% tariff-related average increase on PrPress Stainless Steel, MegaPress, and all valves. For more info, see Viega's letter to their customers. | 20% | letter · Cooney Brothers |
| May 5, 2025 | Apollo | 3% tariff-related increase on SmartPress fittings and valves, 4% on PowerPress fittings and valves and all other products, and 6% PowerPress fittings and valves. | 3%, 4%, 6% | Cooney Brothers |
| May 12, 2025 | Flexmaster | Canada pricing Flexmaster Canada will be increasing their product catalog by 5% with orders shipped on or after May 12, 2025. |
5% | letter · Bartle & Gibson (Canada) |
| May 12, 2025 | Josam | 5% tariff-related increase on Stainless Steel Drains and Push-fit Stainless Steel. 25% increase on Specification Drainage Products PRO-PLUS Trench Drains. For more info, see Jos… | 5%, 25% | letter · Cooney Brothers |
| May 12, 2025 | Watts | Tariff-related increase amount to be released. | 39.6% | Cooney Brothers letter · Bartle & Gibson (Canada) letter · Core & Main Fire Protection |
| May 13, 2025 | Crane | 31.5-43.4% tariff-related decrease on Crane Bronze, Iron, and Cast Steel, Center Line Butterfly Valves, Duo Check Cast Iron Valves, all Aloyco products, and Stockham Bronze, Iro… | Decrease 31.5-43.4% | letter · Cooney Brothers |
| May 15, 2025 | Elkay | 5-10% tariff-related increase on Elkay and Just sinks, faucets, and accessories and 15-35% on all remaining product categories. For more info, see Elkay's letter to their c… | 5-10%, 15-35% | letter · Cooney Brothers letter · Bartle & Gibson (Canada) |
| May 15, 2025 | Wal-Rich | New price sheet will be implimented including tariff surcharges. | see letter | Cooney Brothers |
| May 16, 2025 | Jones Stephens | 10-60% increase on select product categories. | 10-60% | Cooney Brothers |
| May 16, 2025 | Xylem | New tariff-related increase on Xylem Brands Bell & Gossett , Hoffman, and McDonell & Miller. | see letter | letter · Cooney Brothers |
| May 19, 2025 | Anvil-Strut | 3% tariff-related increase on Steel Welded Pipe Nipples. For more info, see ASC's letter to their customers. (Modified date due to price sheet changes based on new tariff p… | 3% | letter · Cooney Brothers |
| May 19, 2025 | Delany Products | 9% tariff-related increase across all product lines. | 9% | Cooney Brothers |
| May 19, 2025 | Merit Brass | 10% tariff-related increase on Domestic and Import Brass Nipples, Chrome-plated Nipples, and Import Leaded and Lead-free Brass Fittings. For more info, see Merit's letter t… | 10% | letter · Cooney Brothers |
| May 19, 2025 | SPF | 15% tariff-related increase on Fire Protection O-Lets. For more info, see ASC's letter to their customers. Prior price increase will be paused due to changes in tariff poli… | 15%, 12% | letter · Cooney Brothers |
| May 19, 2025 | T&S Brass | 6% tariff-related increase on all products. | 6% | Cooney Brothers |
| May 19, 2025 | Ward MFG | 3-40% tariff-related increase on Domestic Welded Nipples and Brass Nipples as well as International Fittings, Nipples, Brass Nipples, and Couplings. For more info, see Ward'… | 3-40% | letter · Cooney Brothers |
| May 20, 2025 | Xylem | Canada pricing Xylem Inc. will be implementing a price adjustment for the following product lines, effective May 20, 2025 |
see letter | letter · Bartle & Gibson (Canada) |
| May 21, 2025 | Kunkle | 9.9% increase. | 9.9% | Cooney Brothers |
| May 22, 2025 | Symmons | Canada pricing Symmons will be implementing a weighted average 11% increase, with lower percentages on domestically manufactured products, effective May 22, 2025. |
average 11% | letter · Bartle & Gibson (Canada) |
Drywall (10) Drywall & Interiors May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2025 | TSW | Tools & Accessories | see letter | letter · ABC Supply Interiors |
| May 1, 2025 | Western Enterprises | Tools & Accessories | approximately 5% | letter · ABC Supply Interiors |
| May 5, 2025 | ClarkDietrich | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| May 5, 2025 | Consolidated Fabricators | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| May 5, 2025 | MarinoWare | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| May 5, 2025 | Steel-Con | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| May 12, 2025 | Phillips | Metal Framing, Studs & Tracks | 10% | letter · ABC Supply Interiors |
| May 15, 2025 | Star Sales | Tools & Accessories | see letter | letter · ABC Supply Interiors |
| May 17, 2025 | Flex-Ability Concepts | Metal Framing, Studs & Tracks | 10% | letter · ABC Supply Interiors |
| May 28, 2025 | Tremco | Exterior Walls | 4-5% | letter · ABC Supply Interiors |
Fire Sprinkler & Fire Protection (4) Fire Protection May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 10, 2025 | Viking | fire sprinklers, valves | 10-12% | letter · Core & Main Fire Protection letter · Viking Group letter · Viking Group letter · Viking Group letter · Viking Group letter · Viking Group letter · Viking Group letter · Viking Group letter · Viking Group |
| May 10, 2025 | Viking SupplyNet | Valves | 20% average | letter · Viking Group |
| May 16, 2025 | Nibco | Fire Protection Valves | 4-6% | letter · Core & Main Fire Protection |
| May 19, 2025 | Brecco | Valves and Fittings | 3% to 85% | letter · Core & Main Fire Protection |
HVAC Equipment (4) HVAC May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2025 | Bosch | Bosch announced a 2% price increase on heat pumps. | 2% | Paschal (citing ACHR/manufacturers) |
| May 1, 2025 | Daikin | Daikin announced a price increase of approximately 7% on Daikin Mini-Splits and Goodman Daikin equipment, effective May 1, 2025. | approximately 7% | Paschal (citing ACHR/manufacturers) |
| May 1, 2025 | Goodman | Goodman implemented a 7% price increase on HVAC equipment. | 7% | Paschal (citing ACHR/manufacturers) |
| May 22, 2025 | Goodman | Goodman announced a 4% price increase on OEM parts. | 4% | Paschal (citing ACHR/manufacturers) |
Roofing Material (3) Roofing May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2025 | Lomanco | Lomanco will implement a price increase, effective May 1st, 2025, on the following products ... | approximately 5-10% | letter · Convoy Supply (US) Universal Supply |
| May 1, 2025 | Malarkey | Residential roofing products | up to 5% | RidgeReport |
| May 1, 2025 | Nationwide Industries | Nationwide Industries will implement a price increase of 25%, effective May 1st, 2025, on all products ... | 25% | letter · Convoy Supply (US) |
Decking & Railing (1) Decking & Railing May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 5, 2025 | ADI | has announced a price increase of approximately 15-30% on all products. We will adjust our prices effective with shipments on May 5, 2025. | approximately 15-30% | Universal Supply |
Fencing (1) Fencing May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 1, 2025 | Ameristar | Ameristar will implement a price increase of 4%-9%, effective May 1st, 2025, on the following products ... | 4%-9% | letter · Convoy Supply (US) |
Insulation (1) Insulation May 2025 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| May 12, 2025 | Intec | Intec | $0.50 per coverall, $200 per HONDA motor, $1.25 per vacBAG | letter · Performance Pro Supply |
Frequently asked questions
Which manufacturers are raising prices in May 2025?
109 letters from 100 brands across 9 trades take effect in May 2025. The first: Ameristar (May 1, 2025, 4%-9%); Bosch (May 1, 2025, 2%); Bussmann (May 1, 2025).
How big are the May 2025 price increases?
35 letters state a percentage: the median is 7.5% and the middle half fall between 5% and 15% (ranges counted at their midpoint).
Which trades have the most May 2025 increases?
Electrical Supply (63), Plumbing Supply (22), Drywall (10), Fire Sprinkler & Fire Protection (4), HVAC Equipment (4).
Can I get these dates in my calendar?
Yes: subscribe to the all-letters calendar feed. Each letter is an all-day event on its effective date. 33% of the May 2025 letters take effect on the 1st.