» Ruth O’Donnell

Diesel Exhaust Fluid Systems: Reducing Emissions at Mission Critical sites

At Preferred, we are combining security and sustainable solutions at some of our highest security project sites, data centers and mission critical facilities, such as manufacturing centers. A global pharmaceutical manufacturing company bought generators and commissioned the Preferred staff of experienced and qualified engineers to design this Diesel Exhaust Fluid (DEF) system, pumping 300 gallons (of ammonia) per […]

Newly Upgraded Fuel Sentry, Leak Detection Controls with Renewable Fuel Burners

Made in the U.S.A. 🇺🇲 for renewable and sustainability goals, we provided these API-Ranger burners and upgraded controls for existing boilers. The Ranger burns three (3) fuels – ENSYN Renewable Fuel oil that’s an 85% carbon neutral non-fossil fuel, natural gas and #2 oil. It is also capable of burning Bio-Residual OilTM, a co-product of biodiesel production with minimal carbon density, and can […]

Converting NEMA 4 Plant Wide Controllers to the Mutli-Node Fuel System Controller

Problem: Committed to the future of our technology in hospitals, nursing homes, data centers, schools, and airports, we are converting Preferred NEMA 4 Plant Wide Controllers’s (PWC) nearing end of life to Fuel System Controller (FSC) based controllers. Pictured are before (prior to shipment in 2015) and after of one of the units that was converted in this […]

Solar Panel Installation Supports Danbury Manufacturing Facility’s Green Energy Initiative

March Press Release here Preferred Utilities Manufacturing demonstrates its commitment to sustainability by using solar power and clean-burning renewable fuel. DANBURY, Conn., March 17, 2022 /PRNewswire/ — Preferred Utilities Manufacturing, provider of custom-engineered boiler solutions that reduce emissions and increase efficiency, has expanded its commitment to sustainability with the completion of a 209 kW solar panel installation at its Danbury facility. The […]

Choosing the Right Flow Meter – Vortex

-Robert Roda, Danbury, CT When it comes to choosing a flow meter engineers are spoiled with choices, making selection of the appropriate meter a daunting task simply due to the sheer number of possible types of measurement devices: differential-pressure, thermal mass, turbine, and vortex meters being among the most common. Vortex meters, however, offer some unique advantages and […]

Draft Controls Are Still a Critical Part of Modern Boiler Operation

New updates to our draft controllers, including the popular JC-22 model, make it an even more effective solution. Draft controls have long been an important component in boiler systems to help control negative pressure. Even though modern forced draft boilers are usually airtight, they still often need draft controls to help stabilize burners using flue gas recirculation for […]

FlexFit Retrofit – More savings, More efficiency

Made in the U.S.A., Preferred retrofits provide sustainable solutions for reducing energy costs with upgraded efficiencies. At this site in Queens, NY, one of our skilled field service engineers replaced an obsolete Honeywell RM7800 L flame safeguard/ ControLinks fuel-air combination with our FlexFit Linkageless Controller. The FlexFit controller brings linkageless control to your burner with an integrated flame safeguard […]