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Home » Topics » HVAC Contracting

HVAC Contracting
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UnityPoint Health - Meriter Installs Miura Boilers

Achieving greater energy efficiency and low NOx
August 7, 2017

UnityPoint Health - Meriter has been recognized three times as one of the “100 Top Hospitals” and is part of one of the nation's most integrated health systems. Their dedication to providing comprehensive, coordinated care through clinics, hospital, and home care services for patients located in south central Wisconsin underscores their commitment to every part of the hospital.


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Fig 1

Btu Buddy 172: Residence with High Humidity

Bill Johnson
July 24, 2017

Bob and Tim were on a service call at a new customer’s house. The complaint was that the humidity in the house seemed to be high because mold was growing — shoes in closets and wooden object were the worst. The summer weather was very hot, and there was also high humidity.


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Hospital

Anti-Microbial Option in Chiller/Cooling Tower Applications

Innovative design hinders the growth of hazardous cooling tower-borne pathogens
July 24, 2017

A new Center for Disease Control and Prevention (CDC) study involving 196 cooling towers nationwide found that 84 percent contained Legionella DNA, indicating that the dangerous bacteria that causes a severe, even fatal type of pneumonia were present or had been at some point. This means the real question is not “whether there will be another outbreak” but only “where and when” it will occur. 


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Heightened Immigration Enforcement by the Trump Administration

A source of major concern for employers
Richard D. Alaniz
July 24, 2017

Issues surrounding immigration have been a focal point for employers since the 1986 passage of the Immigration Reform and Control Act (IRCA). The effects of that law and its requirements have made the hiring process a source of major concern for many employers.


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SAS Introduces 'Smart Campus' Technology at HQ

Demonstrates environmental stewardship through greater operational efficiencies
July 24, 2017

Building on its corporate sustainability leadership and Internet of Things (IoT) technology prowess, SAS is taking steps to establish a "smart campus" at its Cary, North Carolina, headquarters. Through SAS' advanced, real-time analytics, the smart campus project will improve energy usage while proactively monitoring equipment performance to boost operational longevity.


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Figure 1

Troubleshooting Challenge: A System that’s Blowing Warm Air in July

Jim Johnson
July 10, 2017

This month’s troubleshooting situation involves an air-to-air package unit heat pump that is approximately nine years old, and the customer’s complaint is that rather than providing cooling, it’s just blowing warm air.


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Data

Adiabatic Technology Helps Cooling Keep Pace with Data Center Growth

More efficient cooling technology helps provide more computer power in same space
July 10, 2017

Challenged to do more with less, data centers are seeking innovative ways to keep operating costs as low as possible — all while computer technologies may be changing as often as every three months. In a market demanding denser and more powerful electronics, data centers are pressed for cooling technology that can keep up with the times.


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Moving Tax Reform Forward

The current state of the economy and its future
Roman A. Basi
July 10, 2017

Long before President Trump was elected in surprise fashion in November, the House Ways and Means committee quietly put together a plan to modernize our tax system. It was published June 24, 2016, and is known as “A Better Way: Our Vision for a Confident America”, which is available online for review.


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HVAC Design and Analytics Firm SED Expands Nationwide

Bringing cost savings and air quality technology to more homeowners
July 10, 2017

The company he founded in 1979, Energy Innovations by Harry Boody, was the first to offer a lifetime guarantee that the heating and cooling energy usage of its system would not exceed a certain amount each month, or the company would pay the difference. To date, the company has never had to refund a single customer, and it remains the only company in North America to offer such a guarantee.


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BTU 1

Btu Buddy 171: Charging a TXV System for Subcooling

Bill Johnson
June 19, 2017

Bob and Tim have just repaired a leak on a 10-ton commercial air conditioning system and are ready to charge the unit. The system has a thermostatic expansion valve (TXV) for the evaporator.


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November 6, 2025

Next-Gen Data Center Cooling: HVAC Innovation and Real-World Solutions

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.

July 22, 2026

Designing VRF Systems Using A2L Refrigerant

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.

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