HVAC Price Increase List: May 2026

HVAC Price Increase List: May 2026



HVACR manufacturers announced another round of price adjustments in May, with most increases falling in the low- to mid-single-digit range, while select product categories — including insulation, tape products, fittings, valves, glycol products, and residential ventilation — saw larger increases.  

Carlisle HVAC Brands: 3-5% on all items, effective May 1. 

Glasfloss: 2-4%, effective May 1. 

Little Giant Pumps: 2%, effective May 1. 

OmegaFlex: 6% on fitting products, effective May 1. 

Parker Hannifin — Parker Aftermarket: Average weighted increase of 3.75%, excluding ZoomLock products, effective May 1. 

Reflectix: Up to 12%, effective May 1. 




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Slant/Fin Baseboard: 5%, effective May 1. 

Sporlan: 4%, effective May 1. 

Systemair — Fantech: Average increase of 3.5-5% by product group, effective May 1. 

Honeywell Commercial: Price increase, effective May 2. 

DirectedAir: 5-14% on select product categories, effective May 4. 

Nu-Calgon: 15% increase on specific glycol products only, effective May 6. 

Shurtape: 3.5-10% by product category, effective May 7. 

Heat Controller: TBD, effective May 11. 

Vybond: 4% increase on all HVACR Nashua and Polyken tape products, effective May 11. 

Williams: 6% on Cozy and Williams residential heating products, effective May 11. 

Navien: Price increase, effective May 17. 

AO Smith Water Heaters: 7%, effective May 18. 

Legend Valve: 5-10% on most products, effective May 18. 

Robertshaw: Price increase, effective May 25. 

Uniweld: Approximately 3% on all items, effective May 25. 

Systemair — Fantech: Additional 6.5% increase on residential ventilation products, effective May 29. This excludes light commercial ERVs and commercial roof fans. 

Whether you require installation, repair, or maintenance, our technicians will assist you with top-quality service at any time of the day or night. Take comfort in knowing your indoor air quality is the best it can be with MOE heating & cooling services Ontario's solution for heating, air conditioning, and ventilation that’s cooler than the rest.
Contact us to schedule a visit. Our qualified team of technicians, are always ready to help you and guide you for heating and cooling issues. Weather you want to replace an old furnace or install a brand new air conditioner, we are here to help you. Our main office is at Kitchener but we can service most of Ontario's cities


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