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  Suitable for new construction or retrofit projects, our commercial boilers are small in size, but big on output.
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  Created with space constraints in mind, Patterson-Kelley has made its industry-trusted solutions available for outdoor use. If it is on top of the penthouse or installed outside of the building, PK Outdoor Solutions can withstand the elements.
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  Modular packaged systems are ideal to achieve high levels of efficiency and maintain boiler reliability.
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  Intelligent controls designed for optimum facility management.
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  Enhance the longevity of your P-K Compact or legacy product with a tube bundle.
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<img width="1920" height="893" alt="" data-srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png 1920w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-100x47.png 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-768x357.png 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1536/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-1536x714.png 1536w" data-src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920,h_893/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png" data-sizes="(max-width: 1920px) 100vw, 1920px" class="attachment-full size-full lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="1920" height="893" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920,h_893/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png" class="attachment-full size-full" alt="" srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png 1920w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-100x47.png 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-768x357.png 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1536/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-1536x714.png 1536w" sizes="(max-width: 1920px) 100vw, 1920px" />

Building Management Tips

<img width="1904" height="877" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1904,h_877/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Heat-Exchange-Video.png" class="attachment-full size-full" alt="" srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1904/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Heat-Exchange-Video.png 1904w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Heat-Exchange-Video-100x46.png 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Heat-Exchange-Video-768x354.png 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1536/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Heat-Exchange-Video-1536x707.png 1536w" sizes="(max-width: 1904px) 100vw, 1904px" />

Heat Exchange 101

<img width="1920" height="893" alt="" data-srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png 1920w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-100x47.png 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-768x357.png 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1536/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-1536x714.png 1536w" data-src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920,h_893/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png" data-sizes="(max-width: 1920px) 100vw, 1920px" class="attachment-full size-full lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img width="1920" height="893" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920,h_893/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png" class="attachment-full size-full" alt="" srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1920/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management.png 1920w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-100x47.png 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-768x357.png 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1536/https://www.pattersonkelley.com/uploads/2021/07/Patrick-Featured-Image-for-Media-Building-Management-1536x714.png 1536w" sizes="(max-width: 1920px) 100vw, 1920px" />

Building Management Tips

<img width="1280" height="720" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1280,h_720/https://www.pattersonkelley.com/uploads/2019/09/INTRODUCING-THE-PK-STORM-106f44c617.png" class="attachment-full size-full" alt="" srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1280/https://www.pattersonkelley.com/uploads/2019/09/INTRODUCING-THE-PK-STORM-106f44c617.png 1280w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2019/09/INTRODUCING-THE-PK-STORM-106f44c617-100x56.png 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2019/09/INTRODUCING-THE-PK-STORM-106f44c617-768x432.png 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_800/https://www.pattersonkelley.com/uploads/2019/09/INTRODUCING-THE-PK-STORM-106f44c617-800x450.png 800w" sizes="(max-width: 1280px) 100vw, 1280px" />

Introducing the P-K STORM™ Webinar

Join Patterson-Kelley as we discuss the features and best practices of our newest condensing stainless-steel boiler, the P-K STORM™. Pre-orders are now available!

<img width="1280" height="636" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1280,h_636/https://www.pattersonkelley.com/uploads/2019/03/10-1-Mechanical-Turndown-717c9d902c-e1551906417972.png" class="attachment-full size-full" alt="" />

MACH® Condensing Boiler with 10:1 Mechanical Turndown

<img width="1280" height="720" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1280,h_720/https://www.pattersonkelley.com/uploads/2019/02/Slide1-58ad614fb0.jpg" class="attachment-full size-full" alt="" srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_1280/https://www.pattersonkelley.com/uploads/2019/02/Slide1-58ad614fb0.jpg 1280w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2019/02/Slide1-58ad614fb0-100x56.jpg 100w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_768/https://www.pattersonkelley.com/uploads/2019/02/Slide1-58ad614fb0-768x432.jpg 768w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_800/https://www.pattersonkelley.com/uploads/2019/02/Slide1-58ad614fb0-800x450.jpg 800w" sizes="(max-width: 1280px) 100vw, 1280px" />

“The Dirty Little Secret Associated With High Turndown Ratios”

The dirty little secret associated with high turndown ratios is that, in most cases, the boiler is no longer condensing.

<img width="540" height="299" src="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_540,h_299/https://www.pattersonkelley.com/uploads/2018/08/P-K-HiDRA-Fire-Tube-Webinar-8732df0012.png" class="attachment-full size-full" alt="" srcset="https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_540/https://www.pattersonkelley.com/uploads/2018/08/P-K-HiDRA-Fire-Tube-Webinar-8732df0012.png 540w, https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_100/https://www.pattersonkelley.com/uploads/2018/08/P-K-HiDRA-Fire-Tube-Webinar-8732df0012-100x55.png 100w" sizes="(max-width: 540px) 100vw, 540px" />

P-K HiDRA Product Insight Webinar

Get the inside scoop about the first commercial grade fire tube water heater from Patterson-Kelley. Discover the HiDRA's applications and best practices.

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