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Home » Authors » Ionel Petrus, P.E.
Ionel Petrus, P.E.

Ionel Petrus, P.E.

Ionel Petrus is a licensed professional engineer who has more than 13 years of mechanical design experience. In addition to being the Mechanical Discipline Leader in Smithgroup’s Washington, D.C., office, he is also a LEED AP and a certified energy manager. His experience includes designing HVAC systems for commercial buildings, research laboratories, health care facilities, and museums. He can be contacted at ionel.petrus@smithgroup.com.

Articles

ARTICLES

futuristic motion graphic

The Terminologies, Ideologies, and Philosophies Behind Building Automation Design

Considering the myriad of options in front of us, where does one start in the process of designing and/or installing a BAS?
Es caldwell jcaldwell 900x550
Jamison Caldwell, P.E., LEED AP
Petrus 900x550
Ionel Petrus, P.E.
Es caldwell khaled khalil 900x550
Khaled Khalil
December 6, 2022
One Comment

Considering the myriad of options in front of us, where does one start in the process of designing and/or installing a BAS?


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medicine

HVAC Design Considerations for Pharmaceutical Preparations

Air cleanliness, space pressurization, required air changes, and equipment placement are just a few of the many important factors that must be considered
Petrus 900x550
Ionel Petrus, P.E.
Es strawderman headshot 900x550
Thomas Strawderman
November 3, 2022
No Comments

Air cleanliness, space pressurization, required air changes, and equipment placement are just a few of the many important factors that must be considered


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HVAC workers

The Inclusive Job of Replacing Aging Chilled Water Systems

Phasing, harmonics, and controls are just a few of the design items that need to be considered early in the design process.
Petrus 900x550
Ionel Petrus, P.E.
Es petrus pfaff 900x550
Robert Pfaff, P.E.
Smithgroup malim 900x550
Melissa Lim
August 18, 2022
No Comments

Phasing, harmonics, and controls are just a few of the design items that need to be considered early in the design process.


Read More
pulling floor

Deciphering a Project’s Dehumidification Demands

With a robust array of design options, designers are often tasked with the challenge of deciding which dehumidification methods best suit their projects’ needs.
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Ionel Petrus, P.E.
Es petrus connorheadshot 900x550
Connor Harrigan
June 21, 2022
No Comments

With a robust array of design options, designers are often tasked with the challenge of deciding which dehumidification methods best suit their projects’ needs.


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air volume (VAV) air distribution systems

Approaching Building Controls a Little Differently

Examining the fundamental differences between the standard control methods described in ASHRAE guideline 36 and a proposed new approach based on AI and casual algorithms.
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Ionel Petrus, P.E.
Es petrus charming 900x550
Elena Charming EIT
May 26, 2022
No Comments

Examining the fundamental differences between the standard control methods described in ASHRAE guideline 36 and a proposed new approach based on AI and casual algorithms.


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Chiller and pumps

The Three Stages to Controlling a Chiller and its Primary-Secondary Pumps

A few potential pitfalls while designing condenser water systems and selecting condenser water pumps, if not avoided, could lead to catastrophic failure or damage to the system and its components.
Petrus 900x550
Ionel Petrus, P.E.
Es petrus vidit 900x550
Vidit Dabhi EIT, LEED GA
Es petrus mohammed 900x550
Mohammed Fahd LEED GA
April 11, 2022
No Comments

A few potential pitfalls while designing condenser water systems and selecting condenser water pumps, if not avoided, could lead to catastrophic failure or damage to the system and its components.


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chiller plant

Beware of Faulty Efficiency Claims – Part 2

Petrus 900x550
Ionel Petrus, P.E.
December 10, 2021
No Comments

Regression-type algorithms learn to approximate a function by ‘seeing’ the data.


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AI

AI-Based Control Algorithms: Sequence of Operations, Deep Learning, Machine Learning, and More

Petrus 900x550
Ionel Petrus, P.E.
February 25, 2021
No Comments

Sequences of operation, as we have used them for the past decade, will slowly become somewhat obsolete in the next five to 10 years.


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VRF Design

The Proprietary Roadblocks Stunting the Future of VRF Design

Before proceeding with the design of a VRF system, design engineers need to familiarize themselves with all limitations that come with such highly proprietary systems.
Petrus 900x550
Ionel Petrus, P.E.
February 12, 2021
One Comment

Variable refrigerant flow (VRF) systems have been around for decades, and VRF manufacturers continuously push the limits of energy efficiency with the release of new models. 


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IoT

The IoT in HVAC: Digital Twins, Optimized Sequences, and More

Petrus 900x550
Ionel Petrus, P.E.
Smithgroup malim 900x550
Melissa Lim
October 30, 2020
No Comments

IoT technologies are designed to grant facility managers predictive control of a building’s comfort performance.


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View All Articles by Ionel Petrus, P.E.
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