Johnstone Supply regularly receives price changes from our vendor partners to certain products and/or product families. In an effort to communicate these manufacturer price increases to our customers, we publish them here in advance of their effective dates. Recently we have been experiencing a very volatile price environment as tariffs are being imposed on imports so prices may change without notice.
Below are the details of our recent and upcoming manufacturer price increases:
Recent & Upcoming Price Changes
Robertshaw price increase Price Increase effective May 25, 2026
Navien price increase Prince Increase effective May 17, 2026
Honeywell Commercial price increase Price Increase effective May 2, 2026
Little Giant Pumps price increase 2% effective May 1, 2026
Sporlan price increase 4% effective May 1, 2026
National Comfort Products price increase 7% effective April 16, 2026
IBC Tankless Heaters price increase Prince Increase effective April 13, 2026
Infrasave price increase Price Increase effective April 9, 2026
ICP Parts price increase 4% effective April 1, 2026
Z-Flex price increase 4% effective March 17, 2026
Southwire price increase 2% effective March 9, 2026
RGF price increase 8% effective March 6, 2026
Goodman Daikin Equipment price increase 3.5-5% effective March 2, 2026
Viessmann price increase 3-5% effective March 2, 2026
ICP/Heil/Tempstar Equipment price increase 4% effective March 2, 2026
Goodman Daikin Parts price increase 11% effective March 2, 2026
Daikin Minisplits price increase 2% effective March 2, 2026
Empire Comfort Systems price increase 4-8% effective March 1, 2026
Honeywell Generators price increase Various effective February 28, 2026
Panasonic Fans price increase 15% effective February 27, 2026
Aspen Coils price increase Various effective February 18, 2026
Hart & Cooley price increase 4% effective February 11, 2026
Grundfos Pumps price increase Various effective February 8, 2026
Heatcraft/Climate Control price increase Various effective February 6, 2026
Southwire price increase Various effective February 6, 2026
Copper price increase 2% effective February 6, 2026
Webstone price increase Various effective February 6, 2026
Rectorseal price increase Various effective February 6, 2026
AO Smith Certain Models price increase 3-9% effective February 6, 2026
Dunkirk Boilers price increase Various effective February 2, 2026
NuCalgon price increase Various effective February 1, 2026
Resideo/Honeywell price increase Price Correction effective February 1, 2026
Navien price increase 3% effective January 21, 2026
Copper price increase Various effective January 20, 2026
Renewaire ERV/HRV price increase Various effective January 15, 2026
ICP Parts price increase Various effective January 12, 2026
Copeland Compressors price increase Various effective January 5, 2026
Diversitech price increase Various effective January 1, 2026
Daikin Minisplits price increase Various effective January 1, 2026
Fujitsu price increase 3% effective January 1, 2026
Navien price increase Prince Increase effective May 17, 2026
Honeywell Commercial price increase Price Increase effective May 2, 2026
Little Giant Pumps price increase 2% effective May 1, 2026
Sporlan price increase 4% effective May 1, 2026
National Comfort Products price increase 7% effective April 16, 2026
IBC Tankless Heaters price increase Prince Increase effective April 13, 2026
Infrasave price increase Price Increase effective April 9, 2026
ICP Parts price increase 4% effective April 1, 2026
Z-Flex price increase 4% effective March 17, 2026
Southwire price increase 2% effective March 9, 2026
RGF price increase 8% effective March 6, 2026
Goodman Daikin Equipment price increase 3.5-5% effective March 2, 2026
Viessmann price increase 3-5% effective March 2, 2026
ICP/Heil/Tempstar Equipment price increase 4% effective March 2, 2026
Goodman Daikin Parts price increase 11% effective March 2, 2026
Daikin Minisplits price increase 2% effective March 2, 2026
Empire Comfort Systems price increase 4-8% effective March 1, 2026
Honeywell Generators price increase Various effective February 28, 2026
Panasonic Fans price increase 15% effective February 27, 2026
Aspen Coils price increase Various effective February 18, 2026
Hart & Cooley price increase 4% effective February 11, 2026
Grundfos Pumps price increase Various effective February 8, 2026
Heatcraft/Climate Control price increase Various effective February 6, 2026
Southwire price increase Various effective February 6, 2026
Copper price increase 2% effective February 6, 2026
Webstone price increase Various effective February 6, 2026
Rectorseal price increase Various effective February 6, 2026
AO Smith Certain Models price increase 3-9% effective February 6, 2026
Dunkirk Boilers price increase Various effective February 2, 2026
NuCalgon price increase Various effective February 1, 2026
Resideo/Honeywell price increase Price Correction effective February 1, 2026
Navien price increase 3% effective January 21, 2026
Copper price increase Various effective January 20, 2026
Renewaire ERV/HRV price increase Various effective January 15, 2026
ICP Parts price increase Various effective January 12, 2026
Copeland Compressors price increase Various effective January 5, 2026
Diversitech price increase Various effective January 1, 2026
Daikin Minisplits price increase Various effective January 1, 2026
Fujitsu price increase 3% effective January 1, 2026
