Articles by Hannah Belloli-Oster

In this article, three technicians shared the things they wish they’d known starting out, the mistakes that taught them the most, and the “unwritten rules” a tech can only learn on the job.

A study led by researchers at the City University of New York (CUNY) SPH found that taking simple steps to improve the ventilation of nail salons in NYC could cut toxic air, significantly reducing the exposure to harmful airborne chemicals. Specifically, nail salon employees. 

Commercial heat pumps are no longer just on/off equipment. With AI-driven controls, IoT sensors, and advanced BAS integration, these systems adapt in real time, predict faults, and optimize comfort and efficiency. For HVACR contractors, that means new opportunities — and new demands for digital know-how.  

Walmart program plans to create 4,000 new technicians by 2030, tackling skilled labor shortage head-on.  

As cases of Legionnaires’ disease rise, HVACR contractors and building managers play a critical role in preventing outbreaks — through proper maintenance, water management, and adherence to established standards.