---
title: Tech Blog | Patterson Kelley
description: Hurley Engineering reviews best practices, interesting job and projects, and innovative pumps, boilers and mechanical room equipment. The Blog includes white papers, articles, and product reviews from such manufacturers as Viessmann, Grundfos, Patterson Kelley, Wheatley, Pentair, Aurora Pumps and many more.
---

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# "Tech-A-Minute" Blog

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## Patterson Kelley

### Recent Posts

## Jul26 [ANNUAL BOILER MAINTENANCE-BEST PRACTICES](https://www.hurleyengineering.com/blog/annual-boiler-maintenance-best-practices)

[![inspection](https://www.hurleyengineering.com/hubfs/inspection.jpg) ](https://www.hurleyengineering.com/blog/annual-boiler-maintenance-best-practices)

 This is a repost of the Patterson Kelley Blog Page:

[Continue Reading](https://www.hurleyengineering.com/blog/annual-boiler-maintenance-best-practices)

## May25 [Breaking Down Turndown](https://www.hurleyengineering.com/blog/breaking-down-turndown)

[![Patterson-Kelley Commercial Condensing MACH Boilers](https://info.harscopk.com/hs-fs/hubfs/MACH_SMITHENERGY.png?t=1527187703919&width=298&name=MACH_SMITHENERGY.png) ](https://www.hurleyengineering.com/blog/breaking-down-turndown)

### **Operate at Peak Efficiency **

Boilers are Rated on Thermal Efficiency.

[Continue Reading](https://www.hurleyengineering.com/blog/breaking-down-turndown)

[1](https://www.hurleyengineering.com/blog/author/patterson-kelley/page/1)

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