Mini Split Calculator & Material Planner
Zone equipment and line-set budget using your room heat-load calculation.
Project estimate
Mini Split Planner
$3,620–$4,163
Material estimate + optional reserve · USD
- Total selected indoor capacity
- 24,000 BTU/hour
- Design load per zone (average)
- 12,000 BTU/hour
- Working time allowance
- 0.78 days
12.5 person-hours / 2 people / 8 h per day. Provisional activity rates; adjust in advanced options.
Excludes labor, tax, delivery, equipment rental, permits and site work. Sample prices are not live retailer quotes. Upper budget includes 15% contingency.
Cost breakdown
- Equipment
- $2,900
- Refrigerant
- $550
- Drain
- $50
- Hardware
- $120
Shopping list
0 / 5 checkedWhole packages rounded up. Edit a unit price to use your supplier's quote.
Equipment
Outdoor unit allowance
1 unit
$1,800$1,800 per unit
Indoor units
2 units
$1,100$550 per units
Refrigerant
Matched line sets
55 ft
$550$10 per ft
Drain
Condensate tubing
50 ft
$50$1 per ft
Hardware
Wall sleeve / mounting kits
2 kits
$120$60 per kits
Save this project
Saved on this browser only. No account required.
Assumptions & project notes
- Material allowance: 10%. Package sizes and coverage rates are editable in the inputs.
- Use room-by-room loads, manufacturer combinations and design-temperature capacity. Area alone does not size HVAC. Refrigerant and electrical work require qualified installation.
- Check final dimensions, product specifications and any required local approvals before ordering.
Tools & preparation
- Tape measure, straightedge and level
- Marking and layout tools
- Suitable cutting and fastening tools
- Product-specific preparation and finishing tools
A preparation list; confirm installation tools with your selected products.
How to use the mini split planner
Start with calculated total design load, indoor zones, average line-set route per zone. The result includes total selected indoor capacity, design load per zone (average). Open advanced options to match your product sizes, material allowance and labor expectations.
1. Measure and specify
Measure each room or surface and identify openings, edges, fixtures and transitions.
2. Adjust the estimate
Check package coverage, material orientation, pattern alignment and substrate requirements.
3. Prepare your order
Review full-piece cuts and matching accessories; order from consistent product batches where needed.
4. Plan the work
Prepare the surface and follow the product installation and finishing sequence, including drying or curing periods.
Frequently asked questions
What does the mini split planner estimate?+
Zone equipment and line-set budget using your room heat-load calculation. The shopping list includes outdoor unit allowance, indoor units, matched line sets, condensate tubing, wall sleeve / mounting kits.
Which assumptions should I check?+
Use room-by-room loads, manufacturer combinations and design-temperature capacity. Area alone does not size HVAC. Refrigerant and electrical work require qualified installation.
Are the prices current supplier quotes?+
No. Initial unit prices are illustrative USD budgeting inputs. Enter a price beside each material to use your own quote. The total includes materials only; labor, shipping, taxes, permits and rental are excluded.
Can I save or share my project?+
Save stores the inputs and prices on this browser. Share link includes the configuration in the address so another device can reopen it. Download CSV exports the shopping list, and Print / PDF opens your browser’s print dialog.