Shark CarpetXpert EX304 vs Bissell Big Green Professional
Shark CarpetXpert EX304 (#1, best overall) vs Bissell Big Green Professional (#2, best premium): in our Carpet Cleaners & Extractors scoring the Shark CarpetXpert EX304 totals 9.2/10 and the Bissell Big Green Professional 8.8/10. At $315 versus $429, the Shark CarpetXpert EX304 costs $114 less.
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TopsFive comparison scores
Side by side
| Shark CarpetXpert EX304 | Bissell Big Green Professional | |
|---|---|---|
| Price | $315 | $429 |
| Tank | 0.75 gal clean | 1.75 gal clean |
| Hose | 12-foot onboard | — |
| Feature | Oxi mixing | — |
| Heat | No HeatWave | — |
| Weight | Moderate | Heavy |
| Build | — | Commercial-grade |
| Durability | — | Years of heavy use |
| Size | — | Large |
How they differ in real use
Built from our carpet cleaners scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Shark CarpetXpert EX304 and the Bissell Big Green Professional made our Top 5 Carpet Cleaners & Extractors, at #1 (best overall) and #2 (best premium). Highest stain reduction scores in independent testing. Dual-solution Oxi mixing automatically blends undiluted Oxi for professional results. 12-foot onboard hose for convenient spot treating. Same machine carpet cleaning services rent out. 1.75-gallon tanks for whole-house without refilling. Commercial durability for years of heavy use.
We score carpet cleaners & extractors on Stain Removal (35%), Tank Capacity (25%), Features (20%), Ease of Use (10%) and Value (10%). On that basis the Shark CarpetXpert EX304 totals 9.2 out of 10 and the Bissell Big Green Professional 8.8. The widest gap is Tank Capacity, where the Bissell Big Green Professional scores 10 against 7 for the Shark CarpetXpert EX304 — water capacity. Features also separates them: 10 for the Shark CarpetXpert EX304 versus 8 for the Bissell Big Green Professional.
On paper, the specifications that actually differ: Tank — 0.75 gal clean on the Shark CarpetXpert EX304 versus 1.75 gal clean on the Bissell Big Green Professional; Weight — Moderate on the Shark CarpetXpert EX304 versus Heavy on the Bissell Big Green Professional.
Pricing as of January 27, 2026: $315 for the Shark CarpetXpert EX304 and $429 for the Bissell Big Green Professional, a $114 difference in the Shark CarpetXpert EX304's favor. Owners praise the Shark CarpetXpert EX304 for highest stain scores and dual-solution Oxi mixing; the most common complaint is 0.75 gal tank smaller. Owners praise the Bissell Big Green Professional for commercial-grade and 1.75 gal largest tanks; the most common complaint is $429 higher price.
Shark CarpetXpert EX304
- Highest stain scores
- Dual-solution Oxi mixing
- 12-foot onboard hose
- Professional results
- 0.75 gal tank smaller
- Shark ecosystem
- Manual operation
Bissell Big Green Professional
- Commercial-grade
- 1.75 gal largest tanks
- Rental-quality results
- Years of durability
- $429 higher price
- Heavy and large
- Overkill for small jobs
Which should you buy?
The Shark CarpetXpert EX304 is the better fit for maximum stain removal and spot cleaning ease — it is the higher-scoring pick here, chiefly for Features and Stain Removal. The Bissell Big Green Professional is the better fit for large homes and frequent deep cleaning, and the stronger choice if Tank Capacity matters more to you than the overall score. Since the Shark CarpetXpert EX304 is both the higher scorer and $114 cheaper, the Bissell Big Green Professional only makes sense for large homes. The Shark CarpetXpert EX304 is a poor fit for largest whole-home jobs; the Bissell Big Green Professional is a poor fit for small apartments.
Choose the Shark CarpetXpert EX304 if
- Maximum stain removal
- Spot cleaning ease
- Value seekers
Skip it if
- Largest whole-home jobs
- Automatic operation preference
Choose the Bissell Big Green Professional if
- Large homes
- Frequent deep cleaning
- Commercial needs
Skip it if
- Small apartments
- Light use
Common questions
Is the Shark CarpetXpert EX304 better than the Bissell Big Green Professional?
In our Carpet Cleaners & Extractors ranking the Shark CarpetXpert EX304 scores higher overall, 9.2 to 8.8, with the biggest advantage in Tank Capacity. The Bissell Big Green Professional is stronger on Tank Capacity, so it is the better pick if that matters most to you.
How much more does the Bissell Big Green Professional cost than the Shark CarpetXpert EX304?
$114 more as of January 27, 2026: $429 for the Bissell Big Green Professional against $315 for the Shark CarpetXpert EX304. Prices move, so the merchant page shows the current figure.
What is the main difference between the Shark CarpetXpert EX304 and the Bissell Big Green Professional?
The headline spec difference is Tank: 0.75 gal clean on the Shark CarpetXpert EX304 versus 1.75 gal clean on the Bissell Big Green Professional. In use, the gap that matters most is Tank Capacity (7 vs 10 in our scoring): water capacity.