HVAC Price Increases April 2026
21 manufacturer price-increase letters from 21 brands taking effect in April 2026. Every row links to the original letter or posting.
By month: January 2027 · November 2026 · October 2026 · September 2026 · August 2026 · July 2026 · June 2026 · May 2026 · April 2026 · March 2026 · February 2026 · January 2026 · December 2025 · November 2025 · September 2025 · August 2025 · May 2025 · April 2025 · March 2025 · February 2025 · January 2025
| Effective | Brand | Products | Increase | Source |
|---|---|---|---|---|
| Apr 27, 2026 | ICP/Heil/Tempstar Equipment | 8% | Johnstone Supply (Muskegon Group) | |
| Apr 27, 2026 | Mon-Eco | 5% / 10% | Conklin Metal Industries | |
| Apr 26, 2026 | Solar & Palau USA | 5% increase on commercial ventilation products and 10% increase on residential ventilation products, effective April 26, 2026. |
5%, 10% | ACHR News |
| Apr 23, 2026 | ISI Building Products | 8% | Conklin Metal Industries | |
| Apr 16, 2026 | National Comfort Products | 7% | Johnstone Supply (Muskegon Group) ACHR News Supply House Times / PM Magazine | |
| Apr 15, 2026 | HB Fuller | 10% | Conklin Metal Industries | |
| Apr 15, 2026 | K-Flex | 10% | Conklin Metal Industries | |
| Apr 15, 2026 | Presto Tape | 6% | Conklin Metal Industries | |
| Apr 14, 2026 | Copper | 2-5% | Johnstone Supply (Muskegon Group) | |
| Apr 13, 2026 | Avery Dennison | 7% | Conklin Metal Industries | |
| Apr 13, 2026 | F&L Aluminum | 18% | Conklin Metal Industries | |
| Apr 13, 2026 | IBC Tankless Heaters | see letter | Johnstone Supply (Muskegon Group) | |
| Apr 13, 2026 | Omnimax | Verde Industries Up to 15% increase on aluminum products and 12% on copper products, effective April 13, 2026. |
Up to 15%, 12% | ACHR News |
| Apr 9, 2026 | Infrasave | see letter | Johnstone Supply (Muskegon Group) ACHR News | |
| Apr 6, 2026 | Robertshaw | Average price increase of 6%, effective April 6, 2026. |
6% | ACHR News |
| Apr 2, 2026 | NDL | 5% increase on ACR and PAC copper fittings, effective April 2, 2026. |
5% | ACHR News |
| Apr 1, 2026 | CLC Work Gear | Hultafors Group Pricing restructure, with an average change of 0.4% for CLC products, effective April 1, 2026. |
0.4% | ACHR News |
| Apr 1, 2026 | Dakota Sourcing | Increase on select product categories, effective April 1, 2026. |
see letter | ACHR News |
| Apr 1, 2026 | Eaton | B-Line Price increase varies by item, effective April 1, 2026. |
2-4.5% | ACHR News letter · Core & Main Fire Protection |
| Apr 1, 2026 | Harris Products Group | Pricing adjustments on select product groups, effective April 1, 2026. |
see letter | ACHR News |
| Apr 1, 2026 | ICP Parts | 4% | Johnstone Supply (Muskegon Group) ACHR News Supply House Times / PM Magazine |