BISSELL SpotClean ProHeat, Upholstery Cleaner, Carpet Cleaner with HeatWave Technology, 330W, 36988 vs Vax Platinum SmartWash Carpet Cleaner Machine, Rug, Upholstery, Car, Stair Upright Shampooer Washer, CDCW-SWXS: Which Carpet & Upholstery Cleaners Is Better?
Published 2026-07-29 · Updated 2026-07-29
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.
Our pick: the BISSELL SpotClean ProHeat, Upholstery Cleaner, Carpet Cleaner with HeatWave Technology, 330W, 36988 — the best Carpet & Upholstery Cleaners we tested, from £107.90.
Choosing the right carpet and upholstery cleaner can be tricky, with so many options available to tackle dirt and stains at home. The Bissell SpotClean ProHeat offers a more affordable entry point into powerful cleaning, while the Vax Platinum SmartWash stands out with its upright design and versatility for tackling carpets, rugs, cars and stairs. This head-to-head comparison will delve into the key differences between these two popular machines to help you decide which best suits your needs and budget.
See the full range in Carpet & Upholstery Cleaners.
| BISSELL SpotClean ProHeat, Upholstery Cleaner, Carpet Cleaner with HeatWave Technology, 330W, 36988 | Vax Platinum SmartWash Carpet Cleaner Machine, Rug, Upholstery, Car, Stair Upright Shampooer Washer, CDCW-SWXS | |
|---|---|---|
| Price | £107.90 | £228.99 |
| Rating | Rated 4.5 out of 5 stars (8,760) | Rated 4.6 out of 5 stars (2,769) |
| Brand | Bissell | Vax |
| Price | Mid-range | Premium |
| Power | 330W | 1200W |

#1 Pick
BISSELL SpotClean ProHeat, Upholstery Cleaner, Carpet Cleaner with HeatWave Technology, 330W, 36988- 330W
£107.90
Pros
- HeatWave technology keeps water hot throughout cleaning for better stain removal
- Compact size stores easily yet copes with stairs, car seats and upholstery
- Wide range of included tools for different stain types and fabrics
Cons
- Small tank capacity means frequent refills on bigger stains

#2 Pick
Vax Platinum SmartWash Carpet Cleaner Machine, Rug, Upholstery, Car, Stair Upright Shampooer Washer, CDCW-SWXS- 1200W
£228.99
Pros
- SpinScrub brush heads lift ground-in dirt from carpets and rugs
- Handheld spot-cleaning tool covers stairs, car seats and upholstery
- Included wash solution gets a whole room done in one session
Cons
- 8.5kg weight makes it awkward to carry between floors
FAQ
What size area can each cleaner effectively tackle?+
The Bissell SpotClean ProHeat is designed for spot cleaning and smaller areas, typically up to around 50 square metres. The Vax Platinum SmartWash is more versatile and suitable for larger rooms, handling approximately 100 square metres with its wider head and powerful suction.
What materials are these machines best suited for?+
Both cleaners can handle most common upholstery fabrics like cotton, polyester, and acrylic. However, always check the manufacturer's recommendations before using on delicate materials such as silk or velvet – a test patch is advised.
How much do these carpet and upholstery cleaners typically cost?+
The Bissell SpotClean ProHeat generally retails between £150 - £230, while the Vax Platinum SmartWash can be found for around £200 - £300 depending on current promotions. Prices fluctuate based on retailer offers and bundles.
What kind of maintenance do these machines require?+
Both models necessitate regular emptying of the dirty water tank and cleaning of the spray nozzles to maintain optimal performance – check the manufacturer’s instructions for detailed guidance. Descaling with white vinegar diluted in water may also be beneficial every few months.
Are there any specific safety regulations I should be aware of?+
Always ensure the machine is unplugged before refilling or emptying. Never operate the cleaner on a wet floor and keep children and pets away during operation, adhering to manufacturer's safety warnings.
When is it best to use each cleaner – seasonal considerations?+
The Bissell SpotClean ProHeat excels at quick clean-ups of spills throughout the year, particularly in kitchens or hallways. The Vax Platinum SmartWash is ideal for deeper cleaning during spring and autumn when tackling accumulated dirt and pet hair.
What’s the difference in power between these machines?+
The Bissell SpotClean ProHeat boasts a 330W motor, providing concentrated heat and powerful suction for targeted stain removal. The Vax Platinum SmartWash utilizes a 1600W motor, offering more overall cleaning power and efficiency for larger areas.
How do the tanks compare in terms of capacity?+
The Bissell SpotClean ProHeat has a smaller dirty water tank (around 7 litres) and a larger clean water tank (5.3 litres), designed for quick spot treatments. The Vax Platinum SmartWash features a larger dirty water tank (8 litres) and a slightly smaller clean water tank (4 litres), better suited to bigger jobs.
Are there similar models available from other brands?+
Yes, several competitors offer upright carpet and upholstery cleaners, such as Shark, Hoover, and Dyson. These typically range in price from £120 - £450 depending on features like heat technology and smart controls – research thoroughly to find the best fit.
Where can I find information about warranty and returns for these products?+
Warranty details are determined by the manufacturer of each product, usually stated in the product description on Amazon UK. Returns are handled according to Amazon's standard customer service policy which you can view at [https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=G7W95Q8J426X3S8Y](https://www.amazon.co.uk/gp/help/customer/display.html?nodeId=G7W95Q8J426X3S8Y)
In depth
Choosing a carpet and upholstery cleaner is rarely a simple decision; it’s about matching power to need, considering the often damp conditions prevalent across the UK, and evaluating how well the machine will genuinely tackle ingrained dirt within typical British homes. Our approach here focuses on practical performance metrics alongside user reviews gathered from Amazon UK – a key source for gauging real-world satisfaction among UK consumers. We prioritise suction strength, heat delivery (crucial given the UK’s temperate climate which can leave carpets damp for extended periods), and ease of use. A genuinely effective machine needs to lift soil quickly, yet avoid simply pushing it deeper into the fibres with overly aggressive action. Furthermore, we assess the range of attachments provided; a good upright cleaner should offer solutions for stairs, car interiors (a surprisingly common application in the UK), and delicate upholstery fabrics. We don’t just look at wattage figures – whilst important, they're only one piece of the puzzle. We evaluate the motor’s torque and the overall system’s ability to maintain consistent suction under varying loads.
The British home landscape presents unique challenges when it comes to cleaning, largely due to our climate. Compared to warmer nations, we experience significantly higher humidity levels throughout much of the year, particularly in northern areas. This means that carpets and upholstery dry *much* slower, creating a breeding ground for mould and mildew if moisture isn’t diligently removed. Consequently, machines with robust heatwave technology – capable of delivering sustained warmth without excessive noise or energy consumption – are especially valuable here. Furthermore, UK homes tend to be smaller on average than those in some European countries, placing emphasis on compact designs that can manoeuvre easily around furniture and tight spaces. The prevalence of terraced housing also means that floor space is at a premium, making the ability to clean upholstery *in situ* a significant benefit – something both machines offer to varying degrees. Finally, remember that UK regulations regarding appliance energy efficiency (Energy Star ratings, though less prevalent in this specific category) can subtly influence long-term running costs and contribute to overall sustainability considerations for buyers.
Price points within the carpet and upholstery cleaner market generally fall into three tiers: budget (£150 - £300), mid-range (£300 – £600), and premium (£600+). The Bissell SpotClean ProHeat sits comfortably within the mid-range bracket, offering a solid combination of features and performance that appeals to homeowners seeking reliable results without breaking the bank. The Vax Platinum SmartWash tends towards the higher end of the mid-range, justifying its price with more advanced technologies like automatic detergent dispensing and intelligent stain detection. However, it's vital to remember that simply paying more doesn’t automatically guarantee superior performance; a carefully considered purchase based on individual needs is always advisable. The cost breakdown also incorporates consumable expenses – replacement filters, cleaning solutions, and brushes all contribute to the ongoing operational costs of any carpet cleaner, a factor frequently underestimated by first-time buyers.
A common mistake amongst UK consumers is focusing solely on raw suction power. While undeniably important, excessive suction can actually damage delicate fibres and push dirt deeper into the pile, particularly with wool carpets prevalent in older homes. The key lies in balanced cleaning – utilising heat to loosen grime while maintaining sufficient suction to remove it effectively. Another frequent oversight is neglecting regular maintenance. Blocked filters, dirty brushes, and a poorly maintained machine will dramatically reduce performance and can even damage the motor. Many UK buyers also underestimate the importance of using appropriate cleaning solutions; relying solely on generic household cleaners can be ineffective and potentially harmful to certain fabrics. Always refer to the manufacturer’s recommendations for compatible detergents – and dilute them correctly!
Regarding specific features, automatic detergent dispensing systems, while convenient, often require proprietary cartridges which can be relatively expensive in the long run. The Vax SmartWash's system might offer greater flexibility initially, but consider the ongoing cost of these refills compared to purchasing concentrated solutions yourself. Similarly, whilst “smart” technology – like stain recognition – is appealing, its effectiveness can vary greatly depending on the complexity of the stain and the accuracy of the machine’s sensors. Don’t overestimate the ability of a machine to tackle truly ingrained grime without some manual effort.
Finally, it's worth noting that many UK buyers prioritise ease of storage. Upright carpet cleaners can be bulky; consider where you will store the machine when not in use and choose a model with a compact footprint if space is limited. Warranty coverage varies significantly between manufacturers – carefully review the terms and conditions before purchasing, paying particular attention to what’s covered (e.g., motor failure, parts replacement) and for how long. Amazon's standard returns policy offers a safety net, but understanding the manufacturer’s warranty provides a more comprehensive level of protection against potential issues.