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Leadership.

Our qualified team of professionals has over 100 years of combined experience in the industry and will use this knowledge to come up with tailor-made solutions specific to your air conditioning needs.
Member name

Member designation

Member name

Member designation

Member name

Member designation

Mark Simmonds

Managing Director

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Since starting Simmonds Heating and Cooling in 2006 Mark has always been the heart, the soul and driving force of Simmonds.
Mark believes that the culture of Simmonds and the team within is what has made the difference between Simmonds and it’s competitors. 
A tradie at heart, you’ll often find Mark out on the tools training apprentices and ensuring the quality of work is second to none. Mark oversees the day to day operations of residential install, commercial and the Simmonds service team and is extremely proud of Simmonds and the growth that the team have experienced together.
In his spare time Mark loves to restore old cars, ride motor bikes, enjoys fishing and camping but most of all spending time with his two young boys.

Sarah Simmonds

Managing Partner

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Sarah has a background as an intensive care nurse and child protection and has been working with Mark for many years as a Managing Partner.
Operating a family business is more than just air conditioning, Sarah believes its about creating an extended family through both staff and customers that support, encourage and look out for each other. Sarah ensures the Simmonds culture is that of old fashioned service to the customers through a dedicated and happy team.
Sarah oversees the service and administration team, and ensures the service that Simmonds customers receive is second to none…

Tracey Bourne

Finance Manager

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Tracey joined the team in 2021, as Simmonds’ Chief Financial Officer.  Tracey holds a Bachelor of Commerce Accounting from the University of South Australia and has over 15 years’ experience in providing accounting and financial services in Adelaide and Port Lincoln.   Tracey oversees the day-to-day financial operations of Simmonds, prepares financial statements and reports, and monitors compliance with laws and regulations.

Daniel Lahiff 

Commercial Project Manager

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Previously an installer at Simmonds, fitting countless air conditioners as a qualified electrician, I left the company to pursue self-development in the form of supervisory and management roles.
Witnessing Simmonds exponential growth and creating a successful and ever-growing commercial division I applied for the position as project manager, which I had long desired.
As a qualified electrician for 15 years completing Cert III in Electrotechnology has given me the skill sets to achieve successful delivery of air conditioning projects. I’m excited for future opportunities and look forward to working with you on your project.  

Simon O'Reilly

Senior Mechanical Estimator

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Simon has over 15 year experience providing sustainable and intelligent solutions for construction industry applications, specialising in Mechanical services. Simon holds an Advanced Diploma, Heating, Ventilation, Air Conditioning and Refrigeration Engineering Technology, has completed a 3-year Engineering Cadetship whilst working at Frigrite Air Conditioning and continues to study part-time in his final year of a Bachelor of Construction Management and Economics (Honours) at University of South Australia.
Simon’s has considerable experience across the Air Conditioning industry as a Senior Estimator, Estimating Manager and Project Engineer. Simon is responsible for providing detailed estimates based upon conceptual documents as well as schematic, design development and construction documents. 
Simon’s experience in advising clients on value management, engineered solutions, and technical management is excellent.

Sam Sarunic

Sales & Design Consultant / Account Manager

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Sam’s Sam thrives on helping clients achieve their goals through tailored solutions. With years of experience as an Account Manager, Sam is dedicated to fostering strong relationships and ensuring every project aligns perfectly with client needs. Whether it’s collaborating on innovative design concepts or managing client expectations, Sam’s goal is to provide an outstanding experience from start to finish.

Josh Parish

Sales and Design Consultant

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Josh is a qualified refrigeration mechanic, who has seamlessly transitioned from hands-on technical work to a role in sales and design. His unique blend of technical expertise and passion for design allows him to craft tailored, efficient air conditioning systems that meet the specific needs of each client. Josh’s dedication and the depth of his industry knowledge, makes him a trusted advisor to our customers.

Jarrad Stone

Commercial Site Manager

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Jarrad began his apprenticeship with Simmonds Heating and Cooling in 2008. During his time at Simmonds Jarrad has continued to grow and develop into an exceptional tradesperson and site manager.
Jarrad’s delivery of high quality workmanship and ensuring the commercial team meets strict deadlines have been an integral part of developing the commercial team. Jarrad manages the various suites completing mechanical services such as Nursing Homes, Schools and Apartment Buildings whilst bringing a sense of calm and consistency to the team. 
Jarrad also acts as a mentor to future apprentices and trades entering into the commercial space of Simmonds.

Brett Irons 

Installation Manager 

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Brett has a wealth of experience in the installation of residential and commercial Air Conditioning systems. Brett is responsible for managing complete installations as per quality standards, managing installation team members, maintaining & implementing all trades installation procedures, managing performance and work quality and ensuring workplace safety compliance (OHS).

Abe Whittaker

Senior Service technician

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Abe is a fully qualified electrician
and a fully qualified refrigeration mechanic with a
wealth of experience. He is an expert in both residential and commercial air conditioning and has been a Warranty Agent for Actron, Daikin and Samsung.
His knowledge is second to none.
Abe is well respected in the industry and is a valued mentor for our apprentices.