COIT vs HHO Carbon Clean Systems
Franchise Comparison 2026
Both COIT and HHO Carbon Clean Systems are cleaning & maintenance franchises. COIT requires an investment of $64K – $225K while HHO Carbon Clean Systems requires $108K – $185K. COIT discloses average revenue of $1.1M; HHO Carbon Clean Systems does not report Item 19 data. FranchiseVerdict rates COIT A (Strongest tier) and HHO Carbon Clean Systems B (Above average).
| Metric | COIT | HHO Carbon Clean Systems |
|---|---|---|
| Verdict Grade | AStrongest tierStrongest tier | BAbove averageAbove average |
| Investment Range | $64K – $225K | $108K – $185K |
| Franchise Fee | $27K | $45K |
| Royalty Rate | 7.0% | Greater of 6%-8% of gross sales (tiered by annualized volume: 8% under $500K, 7% $500K-$1M, 6% over $1M) or minimum monthly royalty fee |
| Average Revenue (Item 19) | $1.1M | N/A |
| SBA Charge-Off Rate | Limited data | Limited data |
| Total Units | 51 | 15 |
| Unit Growth (YoY) | N/A | N/A |
| Year Began Franchising | 1963 | 2020 |
| FDD Year | 2024 | 2025 |
Investment Range
$64K – $225K
$108K – $185K
Franchise Fee
$27K
$45K
Royalty Rate
7.0%
Greater of 6%-8% of gross sales (tiered by annualized volume: 8% under $500K, 7% $500K-$1M, 6% over $1M) or minimum monthly royalty fee
Average Revenue (Item 19)
$1.1M
N/A
SBA Charge-Off Rate
Limited data
Limited data
Total Units
51
15
Unit Growth (YoY)
N/A
N/A
Year Began Franchising
1963
2020
FDD Year
2024
2025