Head-to-head comparison
Grease Monkey Franchising, LLC vs HHO Carbon Clean Franchise System Franchise Opportunities
Reviewed figures from each brand's Franchise Disclosure Document (FDD), side by side. Each figure carries its FDD year and page. This is not a ranking or recommendation, and the two FDDs may cover different years and location groups.
| Disclosure | Grease Monkey Franchising, LLC | HHO Carbon Clean Franchise System |
|---|---|---|
| Estimated initial investment (Item 7) | $9,577 – $138,403 TOTAL 2025 FDD · Item 7 · PDF p. 29 | $108,380 – $185,330 Total Estimate - Single Territory 2025 FDD · Item 7 · PDF p. 18 |
| Standard initial franchise fee (Item 5) | $1,500 2025 FDD · Item 5 · PDF p. 20 | $44,900 Additional territories receive discounts when purchased at signing, subject to market type, availability, and franchisor discretion. 2025 FDD · Item 5 · PDF p. 10 |
| Royalty (Item 6) | Not available No reviewed royalty record | 6%/7%/8% or monthly min Royalty 2025 FDD · Item 6 · PDF p. 12 |
| Total outlets (Item 20) | 5,462 Outlets at end of 2025 2025 FDD · Item 20 · PDF p. 78 | 15 Outlets at end of 2024 2025 FDD · Item 20 · PDF p. 43 |
| Net outlet change (Item 20) | −388 Calculated: 2023–2025 | +14 Calculated: 2022–2024 |
| Financial performance (Item 19), by location group | Franchised (3,751 locations) — other measures $2,742,768 other Gross Income · 2025 FDD · Item 19 · PDF p. 55 Franchised locations — other measures 73.7 percent other GDC Payout Rate · 2025 FDD · Item 19 · PDF p. 56 Franchised (3,797 locations) — other measures 13 percent other GDC CAGR · 2025 FDD · Item 19 · PDF p. 72 +1 more groups in the full report | Not disclosed — no Item 19 financial performance representation |
Item 19 groups are shown separately and never combined. Revenue or sales figures are not profit. Net outlet change is a Franopolis calculation from the disclosed counts.

