Franchise opportunities compared
Grease Monkey Centers vs HHO Carbon Clean Franchise System
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.
Initial investment · Item 7
Grease Monkey Centers
$291,320 – $1,972,033
2025 FDD · Item 7HHO Carbon Clean Franchise System
$108,380 – $185,330
2025 FDD · Item 7 · PDF p. 18Initial franchise fee · Item 5
Grease Monkey Centers
$39,900
2025 FDD · Item 5 · PDF p. 17HHO Carbon Clean Franchise System
$44,900
2025 FDD · Item 5 · PDF p. 10Royalty · Item 6
Grease Monkey Centers
10%
2025 FDD · Item 6 · PDF p. 22HHO Carbon Clean Franchise System
6%/7%/8% or monthly min
2025 FDD · Item 6 · PDF p. 12Before you compare
- Both sets of figures come from 2025 FDDs.
- Grease Monkey Centers discloses more than one business format, so the investment range spans formats; the full report breaks them out.
- Only Grease Monkey Centers has reviewed Item 19 figures here.
Financial commitment
HHO Carbon Clean Franchise SystemGrease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
System scale & health
HHO Carbon Clean Franchise SystemGrease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
Grease Monkey Centers
HHO Carbon Clean Franchise System
Financial performance (Item 19), by location group
HHO Carbon Clean Franchise SystemNot 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 and turnover are Franopolis calculations from the disclosed counts; turnover is a count-based rate, not a measure of owner earnings.
Grease Monkey Centers vs HHO Carbon Clean Franchise System: common questions
- Which costs less to open, Grease Monkey Centers or HHO Carbon Clean Franchise System?
- Grease Monkey Centers: $291,320 – $1,972,033 (2025 FDD · Item 7); HHO Carbon Clean Franchise System: $108,380 – $185,330 (2025 FDD · Item 7 · PDF p. 18). These are each franchisor's Item 7 estimated initial investment. The low end of the disclosed estimate is lower for HHO Carbon Clean Franchise System. At least one range spans several business formats. Estimates are not quotes, and the FDD years may differ.
- How do Grease Monkey Centers and HHO Carbon Clean Franchise System royalties compare?
- Grease Monkey Centers: 10% (2025 FDD · Item 6 · PDF p. 22); HHO Carbon Clean Franchise System: 6%/7%/8% or monthly min (2025 FDD · Item 6 · PDF p. 12). Royalties as disclosed in Item 6; other recurring fees are listed separately.
- Which has more locations, Grease Monkey Centers or HHO Carbon Clean Franchise System?
- Grease Monkey Centers: 371 (2025 FDD · Item 20 · PDF p. 64); HHO Carbon Clean Franchise System: 15 (2025 FDD · Item 20 · PDF p. 43). Total outlets from Item 20. Outlet counts do not indicate territory availability or franchisee results.
- Do Grease Monkey Centers and HHO Carbon Clean Franchise System disclose financial performance (Item 19)?
- Grease Monkey Centers has reviewed Item 19 figures for 14 location groups; HHO Carbon Clean Franchise System makes no Item 19 financial performance representation. Different location groups are not directly comparable, and revenue is not profit.
Answers restate the reviewed figures above. Not a ranking or recommendation.
Keep researching
Full Grease Monkey Centers report
Every reviewed fee, Item 19 group, outlet table and territory disclosure
Full HHO Carbon Clean Franchise System report
Every reviewed fee, Item 19 group, outlet table and territory disclosure
