Price Increases August 2026: Manufacturer Letters by Trade
86 manufacturer price-increase letters from 82 brands take effect in August 2026, grouped by trade. Every row links to the original letter.
By trade: HVAC Equipment (33) · Drywall (11) · Roofing Material (9) · Siding (7) · Insulation (5) · Plumbing Supply (5) · Electrical Supply (3) · Fire Sprinkler & Fire Protection (3) · Window & Door (3) · Door Hardware (2) · Fencing (1) · Flooring (1) · Gutter (1) · Solar Equipment (1) · Stucco (1)
HVAC Equipment (33) HVAC August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Amana PTAC | Up to 5% on Amana and Distinctions PTAC units and accessories, effective August 1, 2026. | Up to 5% | ACHR News |
| Aug 1, 2026 | AprilAire | 0-4%, varying by product, effective August 1, 2026. | 0-4%; 3-5% | ACHR News Johnstone Supply (Muskegon Group) |
| Aug 1, 2026 | Art’s Sheet Metal | 5%, effective August 1, 2026. | 5% | ACHR News |
| Aug 1, 2026 | Broan-NuTone | Adjustment on select items, effective August 1, 2026. | see letter | ACHR News |
| Aug 1, 2026 | Component Hardware | divider bar | 6% | Conklin Metal Industries |
| Aug 1, 2026 | DiversiTech | Price increase, effective August 1, 2026. | see letter | ACHR News Johnstone Supply (Muskegon Group) |
| Aug 1, 2026 | Drillco | 6% | Conklin Metal Industries | |
| Aug 1, 2026 | Harris Products Group | Increase on select product groups, effective August 1, 2026. | see letter | ACHR News |
| Aug 1, 2026 | Legend Valve | 3-25%, varying by product category, effective August 1, 2026. | 3-25% | ACHR News |
| Aug 1, 2026 | Uni-Product | ADAPTACURB Approximately 9% on all items, effective August 1, 2026. |
Approximately 9% | ACHR News |
| Aug 1, 2026 | tekmar | 5-7%, effective August 1, 2026. | 5-7% | ACHR News |
| Aug 2, 2026 | Amana PTAC | see letter | Johnstone Supply (Muskegon Group) | |
| Aug 2, 2026 | Eaton B-Line | 4.5-10%, effective August 2, 2026. | 4.5-10% | ACHR News |
| Aug 3, 2026 | Amana | Up to 7%, effective August 3, 2026. | Up to 7% | ACHR News |
| Aug 3, 2026 | Bard Manufacturing | Average increase of 6%, effective August 3, 2026. | Average increase of 6% | ACHR News |
| Aug 3, 2026 | Cable Tie Express | 5% | Conklin Metal Industries | |
| Aug 3, 2026 | Daikin | Up to 7% on Daikin ductless, VRV, and light commercial equipment, effective August 3, 2026. | Up to 7% | ACHR News |
| Aug 3, 2026 | Daikin OEM Parts | Up to 7%, effective August 3, 2026. | Up to 7% | ACHR News |
| Aug 3, 2026 | Everhard | Fairmont Tongs | 10% | Conklin Metal Industries |
| Aug 3, 2026 | Goodman | Up to 7%, effective August 3, 2026. | Up to 7% | ACHR News |
| Aug 3, 2026 | Goodman/Daikin Equipment | 4.5-5.5% | Johnstone Supply (Muskegon Group) | |
| Aug 3, 2026 | Metal-Fab | 5% on select product groups, effective August 3, 2026. | 5% | ACHR News |
| Aug 3, 2026 | Peco | 4.4% screws, nuts, bolts & washers; 22% stainless bolts; 15% PESCRSP8x2-F | 4.4% – 22% | Conklin Metal Industries |
| Aug 5, 2026 | GeneralAire | Price increase, effective August 5, 2026. | see letter | ACHR News Johnstone Supply (Muskegon Group) |
| Aug 6, 2026 | Aspen Coils | Price increase, effective August 6, 2026. | see letter | ACHR News |
| Aug 6, 2026 | RectorSeal | 3%, effective August 6, 2026. | 3% | ACHR News Johnstone Supply (Muskegon Group) |
| Aug 12, 2026 | Global Film Source | 6% | Conklin Metal Industries | |
| Aug 15, 2026 | Field Controls | Increase to be determined, effective August 15, 2026. | see letter | ACHR News |
| Aug 16, 2026 | Emerson Nidec Motors | Price increase, effective August 16, 2026. | see letter | ACHR News Johnstone Supply (Muskegon Group) |
| Aug 17, 2026 | AeroDyne | Vane Only | 15% | Conklin Metal Industries |
| Aug 24, 2026 | Tremco | second increase | 5% | Conklin Metal Industries |
| Aug 26, 2026 | Miller/Nortek Equipment | Price increase, effective August 26, 2026. | see letter | ACHR News |
| Aug 31, 2026 | Lau | 16.2-16.8% on Lau parts, effective August 31, 2026. | 16.2-16.8% | ACHR News |
Drywall (11) Drywall & Interiors August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Amico | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Aug 3, 2026 | Cemco | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Aug 3, 2026 | MBA Building Supplies | see letter | letter · Negwer Materials | |
| Aug 3, 2026 | MarinoWare | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Aug 3, 2026 | Mill Steel Framing | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Aug 3, 2026 | Niles Building Products | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Aug 3, 2026 | Telling Industries | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
| Aug 3, 2026 | USG | Drywall & Wallboard | see letter | letter · ABC Supply Interiors |
| Aug 10, 2026 | USG | Ceilings & Acoustical Wall Panels | approximately 7-10% | letter · ABC Supply Interiors Universal Supply |
| Aug 17, 2026 | USG | Steel products | see letter | letter · Negwer Materials letter · ABC Supply Interiors |
| Aug 31, 2026 | Cemco | Metal Framing, Studs & Tracks | see letter | letter · ABC Supply Interiors |
Roofing Material (9) Roofing August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Carlisle SynTec Systems | Polyiso Insulation | 5-8% | letter · ABC Supply |
| Aug 1, 2026 | DAP Global, Inc. | Roofing Accessories | see letter | letter · ABC Supply |
| Aug 1, 2026 | LMT Mercer Group | LMT Mercer Group will implement a price increase of 5%, effective August 1, 2026, on all products... | 5% | letter · Convoy Supply (US) |
| Aug 1, 2026 | Nationwide Industries | Nationwide Industries will implement a price increase of 7%, effective August 1, 2026 ... | 7% | letter · Convoy Supply (US) |
| Aug 1, 2026 | Starborn | Starborn will implement price increase of 8%, effective August 1, 2026 ... | 8% | letter · Convoy Supply (US) |
| Aug 1, 2026 | Versico Roofing Systems | Polyiso Insulation | 5-8% | letter · ABC Supply |
| Aug 10, 2026 | American Building Components | Metal Roofing Products | up to 6% | letter · ABC Supply |
| Aug 10, 2026 | MuleHide | Adhesives and plates | 3-8% | letter · ABC Supply |
| Aug 13, 2026 | McElroy Metal | Metal products | 2-10% | letter · ABC Supply |
Siding (7) Siding August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | CertainTeed | Vinyl Siding | up to 6.0% | letter · ABC Supply letter · Mueller Roofing Distributors |
| Aug 1, 2026 | Garden State Lumber | NuCedar Shingle products has announced a price increase of approximately 5% on all NuCedar Shingle products. We will adjust our prices effective with shipments on August 1, 2026. |
approximately 5% | Universal Supply |
| Aug 1, 2026 | Mastic | has announced a price increase of approximately 5% on all Vinyl Siding and accessories, Injection Molded Products, and PVC Trim. We will adjust our prices effective with shipmen… | approximately 5% | Universal Supply |
| Aug 10, 2026 | Associated Materials Innovations | Vinyl siding products | 3-6% | letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products | Vinyl Siding Products | 5%-7% | letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products Foundry Specialty Siding | Specialty Siding | 5%–7% | letter · ABC Supply |
| Aug 24, 2026 | Westlake Royal Building Products Mid-America | Shutters, Blocks and Vents | 5%–7% | letter · ABC Supply |
Insulation (5) Insulation August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Carlisle, Hunter, & Versico | Carlisle, Hunter, and Versico will implement a price increase of 5%-8%, effective August 1, 2026, on all Polyiso Insulation and Low Foam products ... | 5%-8% | letter · Convoy Supply (US) |
| Aug 1, 2026 | Hunter XCI | Insulation | see letter | letter · ABC Supply Interiors |
| Aug 1, 2026 | STI | STI Products | 10% | letter · Performance Pro Supply |
| Aug 3, 2026 | OX Engineered Products | Insulation | 5%, 6%, 8% | letter · ABC Supply Interiors |
| Aug 10, 2026 | Sika | Insulation | 3-6% | letter · ABC Supply Interiors |
Plumbing Supply (5) Plumbing & PVF August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | ZSI-Foster/Wesanco | mainly accessories Average increase of 4-9%, depending on product category, effective August 1, 2026. |
4% – 9% | ACHR News Conklin Metal Industries |
| Aug 18, 2026 | American Standard Bathing | Canada pricing American Standard Bathing Canada has announced a 3.7% price increase across all product categories, effective August 18, 2026. Orders placed by August 17, 2026 at 11:59 PM will … |
3.7% | letter · Bartle & Gibson (Canada) |
| Aug 18, 2026 | MAAX Bath | Canada pricing MAAX Bath has announced a 3.7% price increase across all product categories, effective August 18, 2026. Orders placed by August 17, 2026 at 11:59 PM will be honored at current p… |
3.7% | letter · Bartle & Gibson (Canada) |
| Aug 18, 2026 | Produits Neptune | Canada pricing Produits Neptune will implement a blended 3.1% price increase effective August 18, 2026. The adjustment applies to list prices and Net/CIS pricing across all product lines, incl… |
3.1% | letter · Bartle & Gibson (Canada) |
| Aug 31, 2026 | Matco-Norca | 4-11% increases on select product categories. | 4-11% | Cooney Brothers |
Electrical Supply (3) Electrical August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Little Giant | see letter | EMSI | |
| Aug 3, 2026 | Gibson Stainless | see letter | EMSI | |
| Aug 3, 2026 | Louisville Ladder | has announced a price increase of approximately 7% on all products. We will adjust our prices effective August 3, 2026. | approximately 7% | Universal Supply |
Fire Sprinkler & Fire Protection (3) Fire Protection August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 2, 2026 | Eaton | Fire Sprinkler Pipe | 4-12% | letter · Core & Main Fire Protection |
| Aug 3, 2026 | Johnson Controls | Water & Mechanical; Fire systems products | 4.1%; 4.3% | letter · Ferguson Fire & Fabrication letter · Ferguson Fire & Fabrication letter · Ferguson Fire & Fabrication letter · Core & Main Fire Protection |
| Aug 28, 2026 | Viking SupplyNet | WROT case fittings | 10% | letter · Viking Group |
Window & Door (3) Windows & Doors August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Vinyl Kraft | Vinyl Windows Doors | 5.5% | letter · ABC Supply |
| Aug 10, 2026 | REEB | Doors and Hardware | 3-6% | letter · ABC Supply Universal Supply |
| Aug 17, 2026 | Velux | Skylights | 3% | letter · ABC Supply letter · Mueller Roofing Distributors Universal Supply |
Door Hardware (2) Door Hardware August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | Detex | This increase is limited only to the specific product categories listed below: • V40 – Mechanical 3.5% • V40 – Electrical 7.0% • ECL-230D 5.5% • ECL-230X 7.0% | 3.5%, 7.0%, 5.5% | letter · Top Notch Distributors |
| Aug 1, 2026 | GMS | 4% price increase The current 12% tariff surcharge will be eliminated | 4% | letter · Top Notch Distributors |
Fencing (1) Fencing August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 1, 2026 | American Tube and Pipe, Wheatland Tube | American Tube and Pipe will implement a price increase of 8%, effective August 1, 2026, on all products. Wheatland Pipe will also implement a price increase of 8%, effective Aug… | 8% | letter · Convoy Supply (US) |
Flooring (1) Flooring August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 15, 2026 | Toli North America | Toli North America Announces Price Increase | 3.8% to 5.1% | letter · Floor Daily |
Gutter (1) Gutters August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 3, 2026 | Revere Copper | Copper Products | $0.10-$0.75/lb | letter · ABC Supply letter · Gulfeagle Supply |
Solar Equipment (1) Solar August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 16, 2026 | Solar Industries, Inc. | Skylights | see letter | letter · ABC Supply |
Stucco (1) Stucco August 2026 →
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Aug 3, 2026 | ClarkDietrich | Exterior and Interior Products | see letter | letter · ABC Supply letter · Negwer Materials letter · ABC Supply Interiors letter · Kamco Supply (New York) |
Frequently asked questions
Which manufacturers are raising prices in August 2026?
86 letters from 82 brands across 15 trades take effect in August 2026. The first: Amana PTAC (Aug 1, 2026, Up to 5%); American Tube and Pipe, Wheatland Tube (Aug 1, 2026, 8%); Amico (Aug 1, 2026).
How big are the August 2026 price increases?
60 letters state a percentage: the median is 6% and the middle half fall between 5% and 7% (ranges counted at their midpoint).
Which trades have the most August 2026 increases?
HVAC Equipment (33), Drywall (11), Roofing Material (9), Siding (7), Insulation (5).
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. 35% of the August 2026 letters take effect on the 1st.