Greg Rankin

Greg Rankin is a Houston-based freelance writer with more than 20 years of experience writing for the HVACR, processing and mechanical engineering industries.

Cooling Tower Sustainability Water Treatment

Cooling Towers Facing New Water Reality

Large facilities under growing pressure to conserve water are exploring alternative treatment approaches as a practical way to reduce blowdown

Greg Rankin

June 24, 2026

This article explores how large facilities are using alternative cooling tower treatment strategies, like advanced oxidation processes (AOP), to reduce water use and operational costs without sacrificing uptime.

HDPE Cooling Tower from the Early ’80s Still 'Chillin’ to the Max'

A four-decade-old HDPE cooling tower still powers critical RF heating operations at a Massachusetts manufacturer

Greg Rankin

April 21, 2026

Installed in 1981, an HDPE cooling tower at Radio Frequency Company has operated continuously for over 40 years – far surpassing the typical lifespan of metal models.

Why a Metal Manufacturer Opted for Plastic in Cooling Tower Upgrade

A sintered metals plant finds long-term reliability and cost savings by replacing corrosion-prone metal towers with corrosion-proof engineered plastic

Greg Rankin

September 29, 2025

The project also highlights how advances in cooling technology and smarter system design can help manufacturers adapt to extreme process demands while streamlining installation and maintenance.

A New HVAC 'Force' Cuts Energy, Boosts Efficiency

New heat-transfer system targets HVAC’s biggest inefficiencies, delivering up to 10x the performance without refrigerants, pumps, or significant energy input

Greg Rankin

May 14, 2025

A breakthrough HVAC innovation dramatically reduces energy consumption, eliminates refrigerants, and offers a sustainable solution for efficient building cooling and heating.

From Cooling Towers to Cost Savings: Hospital Seizes Power Saving Opportunity

Arkansas hospital increases energy efficiency by diagnosing cooling tower issues and treating its entire mechanical system

Greg Rankin

May 5, 2025

Baptist Health Medical Center in Little Rock, Arkansas, replaces its aging cooling towers — overhauling its entire mechanical system with advanced, low-maintenance technology.

Laser Focused on Additive Manufacturing Cooling Process

Cooling towers are becoming increasingly necessary to cool the process water of additive manufacturing

Greg Rankin

November 5, 2024

GE Aerospace looks to engineered plastic cooling towers to expel heat from its laser powder bed fusion 3D printing process.

HDPE Cooling Tower Makes the Grade

Delta Cooling Towers’ TM Series 310-ton HDPE cooling tower features a modular, seamless, engineered-plastic leak-proof design

Greg Rankin

December 2, 2023

A North Carolina-based community college replaces an aging metal-clad cooling tower with a modern HDPE unit, reducing maintenance spending while increasing efficiency.

BACKSTORY

Scottish Rite Center Sizes Up Cooling Tower Technology Options

Historical building in Wichita replaces metal-clad cooling tower with engineered plastic model to increase longevity and reduce maintenance.

Greg Rankin

August 11, 2021

130-year-old venue in Kansas invests in HDPE cooling tower.

Cooling Tower Efficiency Boosts Bottom Line for Plastics Manufacturer

HDPE technology boosts production and delivers quick ROI

Greg Rankin

April 18, 2021

While not often considered paramount to the overall success of a company, it can often be the peripheral areas that allows a business to boost production, thereby growing profits.

On Demand As AI workloads and high-density computing push traditional cooling methods to their limits, the data center industry is accelerating the adoption of next-generation HVAC technologies.

In this session, we will cover how to design VRF systems for the U.S. market using new A2L refrigerants. These systems provide an advanced zoning solution by using inverter technology to deliver precise heating and cooling control across multiple zones and spaces.

Greg Rankin

ARTICLES

Cooling Towers Facing New Water Reality

HDPE Cooling Tower from the Early ’80s Still 'Chillin’ to the Max'

Why a Metal Manufacturer Opted for Plastic in Cooling Tower Upgrade

A New HVAC 'Force' Cuts Energy, Boosts Efficiency

From Cooling Towers to Cost Savings: Hospital Seizes Power Saving Opportunity

Laser Focused on Additive Manufacturing Cooling Process

HDPE Cooling Tower Makes the Grade

Scottish Rite Center Sizes Up Cooling Tower Technology Options

Cooling Tower Efficiency Boosts Bottom Line for Plastics Manufacturer

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