Setting Up a Price Formula For House Washing
How to Create a House Washing Pricing Formula in Autobidder
Creating a pricing formula allows you to deliver instant, accurate house washing quotes to your customers—based on the same criteria you’d consider in person. This guide walks you through setting it up step-by-step.
1. Create a New Calculator
Go to Formulas → New Calculator and name it House Washing. This will be the container for all variables and pricing rules.
2. Add Core Variable: House Square Footage
Click Add Variable and create the following:
- Name: House Square Feet
- ID:
house_sqft - Type: Number
- Unit: sq ft
Set your base pricing formula: house_sqft * 0.24
3. Add Material Type (Multiple Choice)
Create a variable:
- Name: Material
- ID:
material - Type: Multiple Choice
| Material | Modifier |
|---|---|
| Vinyl | 1.00 |
| Brick | 1.04 |
| Stucco / DriveIt | 1.06 |
| Aluminum | 1.02 |
These modifiers adjust for difficulty and time required.
4. Add Walkout Basement Variable
- Name: Walkout Basement
- ID:
walkout - Type: Multiple Choice
| Option | Multiplier |
|---|---|
| Yes | 1.05 |
| No | 1.00 |
5. Add Height (Stories)
Create a dropdown for building height:
- Single Story → 1.00
- Split Level → 1.20
- Two Stories → 1.60
- Three Stories → 1.80
6. Build Your Formula Expression
Combine all variables into one expression:
(house_sqft * 0.24) * material * walkout * height
7. Add a Minimum Price
A safety net to avoid undercharging. Suggested minimum: $159–$199.
8. Optional: Full vs. Partial Wash
You can offer downsells by adding:
- Full Wash → 1.00
- Front Only / One Side → 0.40–0.60
9. Optional: Add House Style
Advanced users sometimes add styles like ranch, colonial, Cape Cod, or custom home for even more accuracy.
10. Test Your Formula
Go to the Call Screen and run through multiple scenarios to confirm pricing matches your real-world expectations.
11. Improve Visual Layout
Add icons, re-order questions logically, and use images for multiple-choice questions to improve conversions.
12. Use a Simple & Detailed Version
Many businesses create:
- A simple customer-facing calculator for fast online quoting.
- A detailed internal calculator for accurate in-person estimating.

