About Us

Our Mission

Our mission is to provide our clients with outstanding technical expertise, support, and follow thru to specify and deliver the best possible mechanical equipment for every job and outcome.

Our Story

With combined portfolio of over 60 years of engineering and business experience the D23 Systems Team is your key to a successful and profitable job, start to finish!

Meet the Team

Lance Robinson

Executive Director

With over 20 years of experience in the HVAC Systems Industry, Lance has served as a valued adviser, educator, and partner to the Las Vegas construction industry and it’s building owners. His extensive training in HVAC products and systems has earned him a reputation for being able to develop efficient, effective, and innovative building systems… providing more than simple product selections.
Lance’s HVAC system expertise includes a varied range of systems including central plants with primary, secondary, and tertiary pumping loops, chilled water systems with air-cooled chillers, water-cooled chillers with cooling towers, geothermal systems, heating hot water and gas fired boiler systems, water source heat pumps, energy recovery systems, co-generation system, displacement ventilation, and conventional direct expansion systems. Lance’s expertise extends to indoor pools and spas, odor control, large central plants, energy recovery systems, and optimal plant layout for space reduction and ease of maintenance.
Lance adds a unique perspective to the business of building design. His experience and ability to interface with clients at all levels adds substantial value to his engineering, architectural, design build contractors and owner direct clients.
Lancelot is a born and raised Las Vegan. With a strong commitment to family and community involvement, He and his wife, Audrey, have raised two fantastic children and have been happily married for more than 20 years.

Paul Mikologic

Executive Director

Paul has 20+ years of HVAC Consulting Engineering and Project Management experience. He graduated from the Milwaukee School of Engineering in 1994 and earned his Professional Engineering license from the State of Illinois in 2000. Throughout his career, Paul has provided design and management services on projects located around the world. This extensive experience has provided exposure to numerous types of mechanical & building systems, equipment components, and construction methods. In addition to engineering design, Paul is equally experienced working on-site with contractors providing construction management, project coordination, and systems commissioning.

Paul’s HVAC system expertise consists of a wide range of systems including: large-scale district heating/cooling systems; central plants (heating & cooling) with primary / secondary / tertiary piping; cooling towers; water treatment; large volume air-handling systems; conventional air-handling systems; dehumidification systems; energy recovery and co-generation systems; water-source & geo-thermal heat pumps; bio-laboratory systems; corrosive environment systems; low / medium / high pressure steam heating systems; steam humidification; large snow-melt systems; fuel oil storage, pumping, and piping systems. Paul’s expertise extends to the controls required for the previously listed systems – ranging from simple thermostats to complete building automation systems.

Paul’s engineering and construction experience has given him a valuable ability to, based on project budgets, find balance between selecting appropriate system types and utilizing the latest technologies. He also has a talent for being able to relate and communicate effectively on different levels with engineers, contractors and owners alike.

Since 2012, Paul and his wife, Rhonda, have been the owners of a very successful family entertainment center – battleBLAST Laser Tag in Las Vegas, NV. During this time, Paul has remained active in the Las Vegas engineering community. Paul and Rhonda have been happily married for over 21 years and together they have two teenage boys.

Rhonda Mikologic

Executive Director

Rhonda possesses a vast array of experience in both engineering and business. Over the past 20 years Rhonda has worked in consulting engineering, mechanical equipment sales, and for the past 7 years as a business owner overseeing a thriving business with 20 employees. Rhonda’s engineering knowledge and business know-how, along with her acute attention to detail make her the ideal Inside Sales Manager.

Rhonda was born and raised in the Chicago area and went on to attend college at the Milwaukee School of Engineering (MSOE) as a full scholarship recipient. Following graduation Rhonda went on to work with Fluor Daniel learning industrial ammonia refrigeration piping and instrumentation. She continued on to HVAC consulting engineering and, for a short time, owned a consulting engineering firm in the Chicago area. In 2004 job opportunities brought the Mikologic family to Las Vegas. After several years as a stay at home mom, Rhonda returned to the work force joining Lawyer Trane. Beginning as engineering sales support and quickly moving into the position of Inside Sales Manager, Rhonda was responsible for overseeing the inside sales team and preparing pricing, proposals, and submittals on all equipment for commercial jobs in Southern Nevada. Rhonda quickly became known by engineers and contractors alike, for her thoroughness, accuracy, and quick response.

Seven years ago, Rhonda and her husband, Paul, took a departure from engineering to open a Laser Tag Family Fun Center. Together they created their new business from the ground up. Today, battleBLAST Laser Tag is a 10,000 square foot entertainment center featuring Laser Tag, a video arcade, and a snack bar. For the past 7 years, Rhonda has overseen 16-20 employees, and coordinated with managers on all aspects of the business from bookkeeping, payroll, scheduling, inventory, and event planning. Profitable from year one, battleBLAST has continued to be a success. Rhonda and Paul, however, found themselves yearning to return to the stimulating field of engineering and the competitive nature of sales. Rhonda’s previous engineering and business experience combined with her analytical and precise nature bring substantial value to her clients and sales team.

Rhonda and her husband, Paul, have been happily married for over 21 years and together they have two teenage boys.

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