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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.

86letters
82brands
15trades
6%median stated increase
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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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
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 →

EffectiveBrandProductsIncreaseSource
Aug 3, 2026 Revere Copper Copper Products $0.10-$0.75/lb letter · ABC Supply
letter · Gulfeagle Supply

Solar Equipment (1) Solar August 2026 →

EffectiveBrandProductsIncreaseSource
Aug 16, 2026 Solar Industries, Inc. Skylights see letter letter · ABC Supply

Stucco (1) Stucco August 2026 →

EffectiveBrandProductsIncreaseSource
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.