About the Role
Capstone is looking for an experienced Estimator/Scheduler to join our team, taking ownership of the estimating and scheduling function for air conditioning installations across residential housing projects.
In this role, you'll prepare accurate estimates and quotations for residential air conditioning systems, develop and maintain installation schedules, and work closely with supervisors, subcontractors and suppliers to keep projects on track and on budget.
You'll review plans and specifications, take off quantities, price materials and labour, and schedule works in line with construction programs, ensuring every job is set up for a smooth, profitable delivery.
This role suits a detail-oriented professional with strong knowledge of residential air conditioning systems and a commitment to accuracy at every stage of the estimating and scheduling process.
You'll be a key link between our sales, supervision and installation teams, with your work directly shaping how efficiently projects run on the ground.
About You
You're an experienced estimator and scheduler with a background in air conditioning for residential housing, and you bring a sharp eye for detail and a practical understanding of how jobs come together on site.
You'll have:
Proven experience estimating and scheduling air conditioning projects, ideally in residential construction
The ability to read and interpret residential plans and specifications, and complete accurate take-offs
A solid understanding of ducted and split system design, installation processes and compliance requirements
Strong numeracy and analytical skills, with a focus on accuracy and cost control
Competence with estimating,



scheduling and construction-related software, plus the Microsoft Office suite
Excellent communication skills to liaise with supervisors, suppliers, subcontractors and internal teams
The ability to manage competing deadlines in a fast-paced, high-volume residential environment
This is an opportunity to join a growing, professional team where your expertise will be valued.
What we offer
We believe in providing the best work environment for our staff.
Everything from our culture, our inclusions and our office has been based around our Built Around People philosophy.
Permanent fulltime position
Flexible working hours
Corporate.
company and supplier discounts
Wellness programs
Rewards and Recognition programs
Ongoing training and development
Industry leading culture
Who we are
Capstone Air & Solar is a specialist provider of smart air‐conditioning and solar energy solutions, bringing over 30 years of experience in designing and installing climate comfort systems for residential homes across Perth.
As part of the Summit Homes Group, Capstone's integrated systems are smart, energy‐efficient, and built to last, helping homeowners stay comfortable and reduce energy costs with quality installations and ongoing support.




Our expert team delivers tailored ducted and split system air‐conditioning, smart zone climate control, solar power systems, and ongoing service support—backed by trusted technology and local expertise.
Capstone is proud to be locally trusted in WA with solutions designed, installed, and supported with care.
We value professionalism, quality outcomes, and a customer‐centric approach.
This creates an environment where our people can grow their skills in air‐conditioning technology and system delivery while contributing to exceptional home comfort solutions every day.
Where you'll be working
This role will be based at Capstone Air & Solar, conveniently located at 79 McCoy Street, Myaree, directly behind the Summit Homes Group head office and alongside our other subsidiary businesses.
You'll work in a modern, professional environment with access to state-of-the-art facilities, cooperative workspaces, and a supportive team culture.
Being co-located with Summit's broader operations provides unique opportunities to connect with colleagues across construction, property, and energy divisions, fostering learning, innovation, and career growth within a leading WA organisation.
Applications close on August 14th **** (Summit Homes group reserves the right to remove advertised roles before this date)
We accept that everyone is unique.
We believe that our differences make us stronger, and our success is enhanced by the diversity within our teams.
We encourage applications from First Nations people, those identifying as LGBTQIA+, females, people of all ages, with disabilities and culturally and linguistically diverse people.

📌 Estimator/Scheduler - Air Conditioning (Western Australia)
🏢 Summit Homes Group
📍 Western Australia