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Home » Authors » Hannah Belloli-Oster
Hannah Belloli-Oster

Hannah Belloli-Oster

Hannah Belloli is editor-in-chief of Plumbing & Mechanical and Supply House Times. She brings six years of experience as a trade journalist with BNP Media, including four years as an editor at The ACHR NEWS and two years with Walls & Ceilings. Hannah holds a bachelor’s degree in communications from Wayne State University, where she also earned minors in English, journalism, and creative writing. As the daughter of a carpenter, she has long held an appreciation for the skilled trades and the professionals who drive the industry forward.
Articles

ARTICLES

Kathryn Elizabeth Howard

2025 Top 40 Under 40: Kathryn Elizabeth Howard

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
As founder of The KP Performance Group, Howard partners with business owners to build high-performance teams by developing leadership systems, streamlining operations, and cultivating a culture where accountability, purpose, and profitability align.
Read More
Joshua Kelly

2025 Top 40 Under 40: Joshua Kelly

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Kelly helped grow his family’s company from $6.5 million to more than $100 million in annual revenue. Today, Parker & Sons clears more than $250 million from a single location.
Read More
Marissa Kocaman

2025 Top 40 Under 40: Marissa Kocaman

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Marissa Kocaman is helping shape the future of HVAC comfort — one thermostat at a time. As a senior product manager at Resideo, she’s focused on driving innovation in comfort solutions that simplify and enhance the daily work of both HVAC technicians and business owners.
Read More
Lauren MacGowens

2025 Top 40 Under 40: Lauren MacGowens

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Lauren MacGowens is helping lead HVACR into a lower-carbon future. As director of sustainability and PMO for the industrial division at Copeland, MacGowens plays a central role in aligning policy, engineering, and innovation across the refrigeration sector.
Read More
Victoria Garcia Massimo

2025 Top 40 Under 40: Victoria Garcia Massimo

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Victoria Garcia Massimo started her business with only $5,000 in capital and grew it into a $1.5 million company within three years, serving high-profile clients like Tesla and Publix.
Read More
Rakesh Mathew

2025 Top 40 Under 40: Rakesh Mathew

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Rakesh Mathew’s HVAC journey began during his master’s in mechanical engineering at Lamar University, where he specialized in advanced control of mechanical systems, combustion and turbo machinery, and material science with a focus on industrial systems and optimization.
Read More
Bailey McCormick

2025 Top 40 Under 40: Bailey McCormick

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Bailey McCormick ended up in HVAC by total accident. But as the company grew and shifted toward residential service and replacement, McCormick grew right alongside it.
Read More
Twishansh Mehta

2025 Top 40 Under 40: Twishansh Mehta

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Mehta has advanced the pilot and adoption of over 50 natural refrigerant-based refrigeration systems for Loblaw, positioning the company as one of the industry’s early leaders/adopters of natural refrigerants in North America.
Read More
Kashif Nawaz

2025 Top 40 Under 40: Dr. Kashif Nawaz

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
Nawaz leads or co-leads several teams and projects at Oak Ridge National Laboratory, including high-temperature heat pumps, advanced thermal storage, and non-metallic heat exchangers.
Read More
Edward O’Connor

2025 Top 40 Under 40: Edward O’Connor

Hannah Belloli
Hannah Belloli-Oster
August 11, 2025
As the HVAC industry continually evolves, requiring those in it to adapt quickly and overcome any obstacles along the way, so do Edward O’Connor’s goals.
Read More
View All Articles by Hannah Belloli-Oster
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