DUCTZ vs Stone Environmental Services™
Franchise Comparison 2026
Both DUCTZ and Stone Environmental Services™ are cleaning & maintenance franchises. DUCTZ requires an investment of $164K – $225K while Stone Environmental Services™ requires $151K – $261K. In terms of revenue, Stone Environmental Services™ reports higher average unit revenue at $921K. Note: Company-owned outlets only - not franchisee performance; Based on a single outlet - not a system average. FranchiseVerdict rates DUCTZ A (Strongest tier) and Stone Environmental Services™ C (Average).
| Metric | DUCTZ | Stone Environmental Services™ |
|---|---|---|
| Verdict Grade | AStrongest tier | CAverage |
| Investment Range | $164K – $225K | $151K – $261K |
| Franchise Fee | $50K | $50K |
| Royalty Rate | 10.0% | 7.0% |
| Average Revenue (Item 19) | $778KPer franchisee, not per outlet | $921KCompany-owned only · n=1 |
| SBA Charge-Off Rate | Limited data | N/A |
| Total Units | 63 | 1 |
| Unit Growth (YoY) | -1 units | +0 units |
| Year Began Franchising | 2004 | 2025 |
| FDD Year | 2026 | 2025 |
Investment Range
$164K – $225K
$151K – $261K
Franchise Fee
$50K
$50K
Royalty Rate
10.0%
7.0%
Average Revenue (Item 19)
$778KPer franchisee, not per outlet
$921KCompany-owned only · n=1
SBA Charge-Off Rate
Limited data
N/A
Total Units
63
1
Unit Growth (YoY)
-1 units
+0 units
Year Began Franchising
2004
2025
FDD Year
2026
2025