THE SHORT ANSWER
Estimate a split-system air-conditioner from verified equipment selection, unit locations, refrigerant line route, electrical readiness and commissioning. Show equipment and installation separately, with a site review before treating allowances as final.
This Australian walkthrough uses a fictional one indoor and one outdoor unit in Melbourne, Victoria. The matching split-system air-conditioner installation estimate example shows the same item quantities and amounts in an app-exported PDF. Measure your own site and replace the example rates before issuing a client quote.
1. Verify the system selection
Equipment should follow the actual space and design requirements established by the qualified contractor. A generic room size or example capacity is not a final system specification.
For this example, the agreed starting scope is: Install a selected single-zone split-system air conditioner at agreed accessible indoor and outdoor positions after load and site review. Include equipment allowance, mounting allowances, 7.62 m refrigerant line allowance, installation labour, commissioning and cleanup. Electrical service changes and structural mounting work excluded. A change to a listed surface, product or access assumption should trigger a revised line or allowance.
2. Map both unit locations
Record mounting surfaces, access and the proposed refrigerant line route. A 7.62 m illustrative allowance is only useful when it corresponds to an agreed path.
3. Separate related trades
Identify who provides power, disconnects, supports and any required approvals. The base example does not hide electrical upgrades or structural changes in the HVAC labour line.
4. Budget commissioning
Include manufacturer-required setup and a handoff record within the responsible trade scope. Scheduling depends on equipment availability and required site readiness.
Worked split-system air-conditioner installation calculation
Two checkable lines from the example are 7.62 m × A$174.50 = A$1,329.69. The full 7-line estimate totals A$8,329.69 with the demonstration tax input at 0%. The amount is a fictional scenario, not an Australian market rate or a recommended selling price.
Material purchasing and installed quantities may differ. For your own estimate, use the actual takeoff, supplier prices, labour plan, access and disposal requirements. Decide how overhead, profit and the applicable tax treatment affect your final quote; do not copy the example's zero tax setting.
Before you share the estimate
- Complete a qualified site and system review.
- Confirm indoor/outdoor locations and route.
- Assign electrical and approval work.
- Replace equipment allowance with selected product quote.
Scope boundary in this example: No electrical service upgrade, new structural support, long-route allowance beyond 7.62 m, wall restoration or unlisted approval fees.
Confirm the client details and location, item descriptions, measured units, total and validity date. If opening up the work reveals a different condition, document the changed scope and price before proceeding.
Common questions about split-system air-conditioner installation
Is a split-system air-conditioner estimate just an equipment price?
No. Locations, route, mounting, electrical readiness, installation and commissioning also need defined scope.
Can I use the example refrigerant line length on my job?
Measure the proposed route. The 7.62 m quantity is fictional and should be replaced with the actual takeoff.
FROM SCOPE TO PDF
Make your own split-system air-conditioner installation estimate.
Describe the actual job in Estimates on iPhone or Android, then review every quantity, rate and scope note. Add your business and client details, check the document and share an itemised PDF. Example amounts are fictional, and some app features may require an in-app purchase.
