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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

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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A properly designed pump network is critical to the success of any hydronic mechanical system.

The Proper Design Criteria for Selecting the Appropriate Pump

Petrus 900x550
Ionel Petrus, P.E.
Elena headshot 900x550
Elena Gowdy
August 27, 2020
No Comments

A properly designed pump network is critical to the success of any hydronic mechanical system. 


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Figure 1

Designing Temporary HVAC: Codes and Loads

As temporary power is often provided in unfortunate situations, maintaining a simple and safe solution is as important as supplying temporary HVAC.
Petrus 900x550
Ionel Petrus, P.E.
Jacob Pohlman, P.E., LEED AP BD+C
April 22, 2020
No Comments

When building owners want their building systems to be designed for resiliency, the discussion between the owner and the engineers typically includes redundancy and temporary HVAC systems that can support all building HVAC systems or portions thereof. 


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Chilled Water System

Pushing the Boundaries: Heating a Building with a Chilled Water System

Don’t be afraid to test the limits of what can be done with proven technologies.
Petrus 900x550
Ionel Petrus, P.E.
March 30, 2020
No Comments

HVAC system designers are faced with unique challenges when attempting to design energy-efficient HVAC systems


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The Design of a Steam Plant is not a Lost Art

The Design of a Steam Plant is not a Lost Art

Steam plant design is an art that requires the utmost attention to detail and engineering skills.
Petrus 900x550
Ionel Petrus, P.E.
Rosemary hwang
Rosemary Hwang
Kevin andreone
Kevin Andreone
Kevin ricart
Kevin Ricart, P.E.
July 15, 2019
No Comments

Approximately six years ago, we visited the manufacturing plant of one of the largest boiler manufacturers in the country. The visit was related to a specific project that required high-efficiency condensing boilers for heating and steam boilers for humidification.


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SMITHGROUP-AI: The Future of Building Controls

SmithGroup-AI: A Future Lacking Proprietary Controllers or Sequences

SMITHGROUP-AI would be an independent, multifunctional reinforcement learning software agent responsible for the monitoring and control of all agents that control all building systems.
Petrus 900x550
Ionel Petrus, P.E.
April 19, 2019
No Comments

Imagine a world where all HVAC equipment, (i.e chillers, variable frequency drives etc.), all BAS sensors, various components of the electrical systems (i.e electrical panels, meters, lighting fixtures etc.), and various components of all other infrastructure systems are connected to a shared, non-proprietary network that integrates the functionality of each system.


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How to Design Controls to Bring the Best Value to the Customer

The Performance of New HVAC Controls Software is Highly Dependent on the System's Hardware

How to design controls to bring the best value to the customer
Petrus 900x550
Ionel Petrus, P.E.
Mary Taylor
December 13, 2018
One Comment

With the ever-changing field of technology comes improvements in both energy and ease of use for many systems across the industry.


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A Holistic Approach to Upgrading a Chilled Water Plant

A Holistic Approach to Upgrading a Chilled Water Plant

Petrus 900x550
Ionel Petrus, P.E.
October 15, 2018
No Comments

Facilitating such mechanical upgrades, one must focus on all factors, including identifying critical loads, electrical system sizing, load shedding, and more.


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View All Articles by Ionel Petrus, P.E.
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