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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 overseas 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.

Adam Roberts

Sales Manager

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Adam is our sales guru with a wealth of knowledge related to installing new systems into new and existing homes. Adam has been in the air conditioning industry for over 25 years and works closely with home owners, builders and the Simmonds installation team to ensure Simmonds design and install the correct system for each project to our customers requirements.
Adam listens to customers to understand their needs, then works closely with the teams to ensure perfection is achieved. Adam specialises in large Ducted Reverse Cycle Air Conditiong systems.

John Mitchell

Senior Sales Consultant

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John holds a Bachelor of Applied Science and has over 20 years of experience with Air Conditioning sales and customer service. John’s experience enables him to provide his clients with a knowledgeable and customer service experience.
John is constantly reviewing the latest models so his product knowledge is second to none when it comes to choosing the best air conditioning solutions. John is a senior sales consultant with 10 years experience and his attention to detail is second to none on his quotes

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, Daiken and Samsung. His knowledge is second to none. Abe is well respected in the industry and is a valued mentor for our apprentices.