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What Is an Economizer?

Economizers are mechanical devices intended to reduce energy consumption or perform a useful function such as preheating a fluid. In basic terms, an economizer is a heat exchanger. The orientation of an economizer can be vertical, horizontal, or cylindrical depending on boiler size and space available, and it is fitted directly to the boiler near the flue gas outlet.

How does it Work?

In a boiler system, an economizer captures the heat of the flue gas and transfers it to the feed water. The process is simple. As the flue gas exits the boiler, it enters an economizer with finned tubes. The finned tubes absorb the heat and raises the temperature of the boiler feed water, lowering the needed energy input.

Why Add an Economizer?

Adding an economizer will increase boiler efficiency by 10-12%. In addition, the reduced amount of energy required for heating results in reduced fuel consumption and cost.

Nationwide Boiler’s EconoStak Economizers

A Nationwide Boiler EconoStak consists of the economizer and all of the associated piping and structural supports required for very efficient and safe operation. It is a fabricated assembly of finned tubing that uses hot stack gases to heat the boiler feed water. The EconoStak economizer reduces stack emissions and thermal pollution, as well as provides fuel cost savings. It can be can be utilized with one of Nationwide’s trailer-mounted rental boilers, or can be purchased with a new or reconditioned boiler.




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Join us this Thursday for Nationwide Boiler's first ever webinar, hosted by Director of Sales, Bill Testa, and Latin America Business Manager, Jaime Cubillos. 

In this informative webinar, Bill and Jaime will review key considerations for industrial, commercial, and utility plants in Mexico that are highly dependent on reliable steam supply. Topics presented will include:

  • Critical planning stages for incorporation of a temporary steam plant
  • Delivery lead-time measured in days for rapid response
  • Specific plant requirements and site considerations for tie-in of a rental boiler
  • Provisions for balance of steam plant equipment such as economizers, deaerators, feed pumps, blowdown separators, water softeners, gas regulators, etc.
  • What is required for feedwater treatment
  • What guarantees should be expected from a rental boiler supplier
  • Boiler rental risk mitigation and management

Rapid industrialization and growing energy demand in Mexico requires consistent and reliable steam supply for production processes, heating, and power generation.Industrial boilers at energy facilities are expected to provide an uninterrupted supply of steam, often on a 24/7 basis. Loss of steam translates to lost production or lower efficiency of facilities dependent on steam for heating. Steam interruptions can also result in forced outages or shutdowns for which plants must have contingency plans in place.

Energy facilities that require a reliable steam supply must consider alternatives to mitigate steam interruptions through an emergency preparedness plan. Mobile or temporary steam plants, trailer-mounted watertube boilers, and package boilers provided on a rental, lease-buy or purchase arrangement represent a low cost and quickly deployable solution to maximize plant reliability & availability.

Nationwide Boiler Inc. has a large inventory of temporary rental boilers available for immediate shipment worldwide. Our rental fleet consists of mobile boiler rooms from 47.5 hp to 1,000 hp, trailer-mounted boilers from 30,000 lb/hr to 125,000 lb/hr, and other boiler related equipment. In addition, we currently have Package Babcock & Wilcox Watertube Boilers from 75,000 lb/hr to 200,000 lb/hr located in Monterrey, Mexico. These boilers are in stock inventory and available for immediate purchase and delivery. 

Register for the webinar today to learn more about what Nationwide Boiler can offer to the Mexico boiler market. 


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Nationwide Boiler Inc. will be exhibiting at the 2017 ABMA Manufacturers Conference and Trade Fair next week! Bill Testa and Sean McMenamin will be in Houston, Texas at the Hyatt Regency Galleria starting April 3rd through the 5th for the event.

This conference, hosted by the American Boiler Manufacturers Association (ABMA), is known to be a unique event for the boiler industry. There will be a diversified group of executives, managers, operators, and current students in attendance. During the event, attendees will have the opportunity to learn about new technologies, end-user markets, workforce challenges, and the possible changes to the energy and environmental regulations. The conference will give manufacturers and suppliers the opportunity to speak directly with decision makers and current students looking for a career in the boiler industry. In addition, attendees have the chance to tour an end-user plant and two manufacturing plants. 

Be sure to stop by Nationwide Boiler’s booth to talk with Bill and Sean. They will be there to discuss Nationwide Boiler’s complete line of rental boilers, new and reconditioned boilers for sale, contingency planning, and ultra low NOx solutions with our CataStak™ SCR system. 


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Nationwide Boiler Inc. is excited to announce the recent hiring of Jaime Cubillos as our Latin America Business Manager. Jaime brings Nationwide over thirty years of experience in the industrial and commercial boiler industry. His primary focus will be procuring equipment sales and rental opportunities throughout Latin America. With an extensive knowledge of boilers and related equipment, Jaime will be a key figure in helping to bridge the gap between Latin America and Nationwide Boiler.

To learn more about Jaime and Nationwide Boiler’s involvement in the Latin America market, check out our latest press release!


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