Jason Abajian

Jason Abajian is the North America water sales manager for Resideo’s Hydronic & Potable Water Solutions. Abajian has spent more than 15 years working in the HVAC industry for Resideo Technologies, and previously Honeywell International. With a passion for education and making an impact on fcraftsmanshiputure generations, Abajian worked for an HVAC installer in the summer, and was a high school teacher during the school year. What started as a summer gig turned into an ideal springboard for his purpose-driven career as a “Wet Head.” Abajian is proud to work for an industry that can inspire others and deliver superior craftmanship, comfort and control with minimized environmental impact.

A man looking at a smart device while working on an appliance.

The hidden hero of hot water systems: thermostatic mixing valves explained

Why plumbing pros trust TMVs for scald protection, energy savings and code compliance

Jason Abajian

July 2, 2025

These behind-the-scenes safety devices protect against scalding, improve system efficiency and stretch hot water further. Here's why TMVs are a smart upgrade for residential and commercial plumbing systems alike.

Resideo hydraulic separator radiant heating system

Radiant Comfort Report Spring 2024 Edition

Protecting what matters most in your radiant system — the water

Water quality is a critical component to radiant and hydronic systems.

Jason Abajian

May 23, 2024

Boiler systems are essential for residential heating and hot water. Their efficiency and longevity depend on good water quality. Poor water quality causes corrosion, scale buildup, and higher costs. Maintaining high water quality ensures smooth operation and durability.

Trend watch

Hydronic contractors becoming control consultants

Connected customers provide long-term partnerships for contractors.

Jason Abajian

November 19, 2021

For decades, changing out a thermostat for a retrofit hydronic heating system was a simple task for a service technician. From Bangor, Maine, to Breckenridge, Colorado, the mere two, 18-gauge thermostat wires running through a home was not a concern (short of the random nail or mouse taking one of the two out).