Complete, plug-and-play, boiler air preheat (APH) system packages, engineered specifically for the unique needs of fossil fuel, waste-to-energy, and biomass power plants.
Armstrong International is your single-source provider for turnkey, boiler air preheat (APH) system packages, custom-designed and built to address the unique issues and requirements of coal-fired facilities and other large-scale thermal power plants that burn waste, biomass, natural gas, and oil.
Bring Your Coal-Fired Facilities Back Online with Armstrong
Whether you’re reactivating, retrofitting, modernizing, or expanding a coal fossil fuel plant, we’re here to help.
Armstrong will design a total boiler APH system solution that addresses the needs of your facilities. Our experts have the deep level of industry-specific knowledge and experience necessary to help you bring your plant back online and keep the system operating smoothly and efficiently, day after day.
Government Initiatives for the Coal Industry
As your thermal utility partner, Armstrong can provide the solutions you need to take advantage of current financial incentives being offered as encouragement for bringing coal-fired plants back online.

Custom-Designed, Engineered to Perform, and Built to Last
Armstrong’s boiler APH systems deliver the full range of features and benefits for power plants, in one plug-and-play package solution.
Armstrong will provide an integrated boiler APH system, complete with all the components and piping required to deliver a best-in-class performance.
Advantages include:
- Higher energy efficiency
- Lower emissions
- Easy access for cleaning and inspection
- Reduced maintenance issues and costs
- Quick implementation
- Quality construction offers proper drainage and venting for longer coil life
- Modular structure is simpler to install, even in hard-to-reach areas, shortening downtime by up to 50%
- Unique coil design resists airside fouling in challenging conditions
- Mitigated airside fouling results in longer periods of operation between shutdowns
A Complete Boiler Air Preheat System in One Package
While components vary to meet the unique needs of each facility, plug-and-play APH system packages may include the following, as well as any ancillary products required.
- Heavy Duty Steam Heating & Liquid Coils – 6000 Series
- Flow Measurement Technology
- Steam Traps
- Trap Valve Stations (TVS)
- Strainers
- Air Vents
- Outer Casing and Drawer-Type Removal Coil Combinations
- Pre-piped Condensate Packages
- Pre-piped Steam Supply Packages


