HHO Carbon Clean Systems vs Merry Maids
Franchise Comparison 2026
Both HHO Carbon Clean Systems and Merry Maids are cleaning & maintenance franchises. HHO Carbon Clean Systems requires an investment of $108K – $185K while Merry Maids requires $127K – $170K. Merry Maids discloses average revenue of $487K; HHO Carbon Clean Systems does not report Item 19 data. Merry Maids has SBA lending data on file with a 5.0% charge-off rate. FranchiseVerdict rates HHO Carbon Clean Systems F (Bottom Quintile) and Merry Maids A (Top Quintile).
| Metric | HHO Carbon Clean Systems | Merry Maids |
|---|---|---|
| Verdict Grade | FBottom QuintileBottom Quintile | ATop QuintileTop Quintile |
| Investment Range | $108K – $185K | $127K – $170K |
| Franchise Fee | $45K | $55K |
| Royalty Rate | Greater of 6% to 8% of Gross Sales or Minimum Monthly Royalty Fee Requirement | 7.0% |
| Average Revenue (Item 19) | N/A | $487K |
| SBA Charge-Off Rate | Limited data | 5.0% (115 loans) |
| Total Units | 15 | 802 |
| Unit Growth (YoY) | N/A | N/A |
| Year Began Franchising | 2020 | 1980 |
| FDD Year | 2025 | 2025 |
Investment Range
$108K – $185K
$127K – $170K
Franchise Fee
$45K
$55K
Royalty Rate
Greater of 6% to 8% of Gross Sales or Minimum Monthly Royalty Fee Requirement
7.0%
Average Revenue (Item 19)
N/A
$487K
SBA Charge-Off Rate
Limited data
5.0% (115 loans)
Total Units
15
802
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
2020
1980
FDD Year
2025
2025