--- title: XeteX Air Handling Blog | retrofit replacement description: retrofit replacement | Featured XeteX custom air handlers and energy recovery units for a variety of commercial and industrial applications. image: https://xetex.com/hubfs/XeteX%20Blog%20features/custom-air-handling-unit-on-NY-skyscraper.jpg --- [![XeteX](https://xetex.com/hs-fs/hubfs/XeteX%20logo/XeteX%20with%20tag%20250px.png?width=250&height=84&name=XeteX%20with%20tag%20250px.png "XeteX")](https://xetex.com) Open menu [ Rep Login ](https://xetex.com/rep-login) [ Contact ](https://xetex.com/contact) [![XeteX](https://xetex.com/hs-fs/hubfs/XeteX%20logo/XeteX%20with%20tag%20250px.png?width=250&height=84&name=XeteX%20with%20tag%20250px.png "XeteX")](https://xetex.com) Close menu [ Rep Login ](https://xetex.com/rep-login) [ Contact ](https://xetex.com/contact) # XeteX Custom Air Handling Blog ## Featured Projects - [ All ](https://xetex.com/blog/all) - [ energy recovery technology ](https://xetex.com/blog/tag/energy-recovery-technology) - [ custom air handler ](https://xetex.com/blog/tag/custom-air-handler) - [ dedicated outdoor air system ](https://xetex.com/blog/tag/dedicated-outdoor-air-system) - [ retrofit replacement ](https://xetex.com/blog/tag/retrofit-replacement) - [ AVENTUS ](https://xetex.com/blog/tag/aventus) - [ pool natatorium dehumidification ](https://xetex.com/blog/tag/pool-natatorium-dehumidification) - [ waste water treatment plant ](https://xetex.com/blog/tag/waste-water-treatment-plant) - [ desiccant dehumidification ](https://xetex.com/blog/tag/desiccant-dehumidification) - [ energy recovery ventilator ](https://xetex.com/blog/tag/energy-recovery-ventilator) - [ news ](https://xetex.com/blog/tag/news) ![Custom Replacement AHU for a Natatorium](https://xetex.com/hubfs/XeteX%20Blog%20features/4-22-26-Custom-Replacement-AHU-for-a-Natatorium.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom Replacement AHU for a Natatorium This XeteX custom replacement air handler was given a corrosion resistant design for a natatorium. The unit features an aluminum interior, electrophin-coated DX and HW coils and includes 64 tons packaged refrigeration for 26K CFM.](https://xetex.com/blog/custom-replacement-ahu-for-a-natatorium) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) April 20, 2026 · 1 min read ![Custom RTU with Corrosion Resistant and Wash Down Design](https://xetex.com/hubfs/XeteX%20Blog%20features/2-25-26-custom-RTU-with-corrosion-resistant-and-washdown-design.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom RTU with Corrosion Resistant and Wash Down Design Designed for an international airport, this XeteX custom RTU is one of 21 replacement units supporting the *Buy America Build America Act*.](https://xetex.com/blog/custom-rtu-with-corrosion-resistant-and-wash-down-design) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) February 23, 2026 · 2 mins read ![HVAC Retrofit Replacement Solutions Breathe New Life into Buildings](https://xetex.com/hubfs/XeteX%20Blog%20features/custom-air-handling-unit-on-NY-skyscraper.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [HVAC Retrofit Replacement Solutions Breathe New Life into Buildings Unexpected downtime from an aging HVAC system can quickly disrupt operations and compromise comfort within a facility.](https://xetex.com/blog/hvac-retrofit-replacement-solutions-breathe-new-life-into-buildings) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) October 27, 2025 · 2 mins read ![Custom Air Handling Replacement Units with Ultra Corrosion Resistant Design](https://xetex.com/hubfs/XeteX%20Blog%20features/Replacent-units-for-an-airport.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom Air Handling Replacement Units with Ultra Corrosion Resistant Design As part of the *Buy America Build America* program, this XeteX Basis of Design replacement project highlights one of 14 custom air handling units (AHUs) for an international airport renovation. It features an all-aluminum...](https://xetex.com/blog/custom-air-handling-replacement-units-with-ultra-corrosion-resistant-design) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) August 20, 2025 · 1 min read ![Custom HVAC Solution for a Downtown Highrise](https://xetex.com/hubfs/XeteX%20Blog%20features/5-21-25-XeteX-custom-DOAS-for-DT-highrise.jpg) [dedicated outdoor air system](https://xetex.com/blog/tag/dedicated-outdoor-air-system), [energy recovery technology](https://xetex.com/blog/tag/energy-recovery-technology), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom HVAC Solution for a Downtown Highrise Discover how XeteX helped this downtown commercial building renovation breathe better and reach its fullest potential through this innovative air handling and energy recovery ventilation solution.](https://xetex.com/blog/custom-hvac-solution-for-a-downtown-highrise) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) May 16, 2025 · 4 mins read ![Custom Air Handling Replacement Unit for a Hospital](https://xetex.com/hubfs/XeteX%20Blog%20features/A081-AHU-for-Hospital.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom Air Handling Replacement Unit for a Hospital Designed for a hospital, this XeteX custom air handling replacement unit features an all-aluminum design, two-section split construction, 159 tons of packaged DX cooling, 45K CFM, and hot water coils for year-round climate...](https://xetex.com/blog/custom-rtu-159-tons-packaged-dx-cooling-45k-cfm) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) March 28, 2025 · 1 min read ![Custom Natatorium ERU with Coated HX and 35K CFM](https://xetex.com/hubfs/XeteX%20Blog%20features/Custom-Natatorium-ERU-with-Coated-HX-and-35K-CFM.jpg) [pool natatorium dehumidification](https://xetex.com/blog/tag/pool-natatorium-dehumidification), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom Natatorium ERU with Coated HX and 35K CFM Replacing a 15-year-old unit, this XeteX custom natatorium dehumidification Energy Recovery Unit was designed for a high school. It features an epoxy-coated aluminum sensible-only flat plate heat exchanger with up to 74%...](https://xetex.com/blog/custom-natatorium-eru-with-coated-hx-and-35k-cfm) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) December 27, 2023 · 1 min read ![Natatorium Air Handling Replacement Unit](https://xetex.com/hubfs/XeteX%20Blog%20features/13479-Natatorium-dehumidification-pool-unit.jpg) [pool natatorium dehumidification](https://xetex.com/blog/tag/pool-natatorium-dehumidification), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Natatorium Air Handling Replacement Unit This XeteX project features two large rooftop replacement units with natatorium dehumidification for an indoor aquatic recreation center.](https://xetex.com/blog/natatorium-air-handling-replacement-unit) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) September 6, 2023 · 2 mins read ![Custom Air Handling Replacement Unit on New York City Skyscraper](https://xetex.com/hubfs/Website%20images/feature-custom-air-handling-unit.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom Air Handling Replacement Unit on New York City Skyscraper Situated on a Times Square New York City skyscraper is this XeteX custom air handling replacement unit providing 200 tons packaged DX cooling with advanced sound absorbing technologies.](https://xetex.com/blog/custom-200-ton-air-handling) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) September 6, 2023 · 1 min read ![Custom Air Handler for a Fortune 100 Corporate Facility](https://xetex.com/hubfs/Website%20images/14213-installed-custom-air-handling-unit.jpg) [custom air handler](https://xetex.com/blog/tag/custom-air-handler), [retrofit replacement](https://xetex.com/blog/tag/retrofit-replacement) ### [Custom Air Handler for a Fortune 100 Corporate Facility Specifically designed and manufactured for a prestigious Fortune 100 corporate headquarters, this XeteX custom retrofit replacement air handling unit offers unparalleled energy efficiency, reliable performance, and enhanced...](https://xetex.com/blog/custom-outdoor-dx-evap-cooling-steam-generator) [XeteX ](https://xetex.com/blog/author/xetex) [ XeteX ](https://xetex.com/blog/author/xetex) September 6, 2023 · 2 mins read