Upwsma 450W Mini Space Heater With Temperature Detection, vs Pereysi Ceramic Personal Space Heater for Office
Updated August 2026 — Upwsma 450W Mini Space Heater With Temperature Detection, wins on plug rotation and size, Pereysi Ceramic Personal Space Heater for Office wins on heating area and noise level.
The 450W Mini Space Heater offers better energy efficiency and a lower price, making it a more economical choice for small spaces. The Pereysi heater excels in quick heating capabilities.
Why Upwsma 450W Mini Space Heater With Temperature Detection, is better
Price
450W Mini Space Heater is cheaper at $17.99
Energy Efficiency
Features temperature detection for precise heating
Sales Rank
Higher sales rank indicates better popularity
Why Pereysi Ceramic Personal Space Heater for Office is better
Heating Speed
Pereysi heats up in just 3 seconds
Wattage Flexibility
Operates at both 1000W and 700W
Safety Features
Includes tip-over shutoff and ETL certification
Overall score
Specifications
| Spec | Upwsma 450W Mini Space Heater With Temperature Detection, | Pereysi Ceramic Personal Space Heater for Office |
|---|---|---|
| Wattage | 450W | 1000W/700W |
| Heating Time | N/A | 3 seconds |
| Temperature Control | Yes | No |
| Safety Features | Timer, Overheat | Tip-over, ETL |
| Price | $17.99 | $20.30 |
Dimension comparison
Design and Build Quality
The 450W Mini Space Heater With Temperature Detection features a compact design, measuring 4.3 x 2.8 x 6.5 inches, making it easy to transport and suitable for small spaces. In contrast, the Pereysi Ceramic Personal Space Heater is also designed for portability, though its specific dimensions are not mentioned. Both heaters are built for personal use, but the Upwsma heater has a unique 180° rotating plug that allows for flexibility in placement, while the Pereysi heater is lightweight and compact, fitting neatly under desks.
The 450W Mini Space Heater has a modern aesthetic that can blend seamlessly into various home environments, whereas the Pereysi heater also aims for a discreet look. However, the lack of specific dimensions for the Pereysi makes it slightly less clear how it might fit into different spaces.
Heating Efficiency
The 450W Mini Space Heater operates at a maximum of 450 watts, making it an economical choice for mild climates. It features a temperature detection system, allowing users to set their desired temperature between 60°F and 90°F, which the heater maintains automatically. This specific temperature control can lead to energy savings, making it a smart option for those who want precise heating.
In comparison, the Pereysi Ceramic Personal Space Heater can operate at either 1000W or 700W. This flexibility allows it to adapt to different heating needs, providing quick heating in just three seconds. However, it is designed primarily for personal spaces rather than larger rooms. The energy efficiency of both heaters makes them suitable for office settings, but the Upwsma heater's specific temperature controls give it an edge in managing energy consumption.
Noise Level
The 450W Mini Space Heater is designed to operate quietly, making it suitable for use in bedrooms or offices without disturbing sleep or focus. The manufacturer highlights its quiet operation, which is ideal for smaller areas where noise could be disruptive.
Similarly, the Pereysi heater operates at a noise level of 45dB, which is also considered quiet for a space heater. This whisper-quiet operation ensures that it can be utilized during work hours or while sleeping without causing distractions. Both heaters excel in this category, but the specific decibel level of the Pereysi adds a quantifiable measure of its quietness.
Safety Features
Safety is a crucial consideration for space heaters, and both models come equipped with essential features. The 450W Mini Space Heater includes a timer function that can be set for up to 12 hours, allowing for automated operation. Additionally, it is designed to prevent overheating, ensuring safer use in confined spaces.
On the other hand, the Pereysi Ceramic Personal Space Heater features tip-over shutoff and is made from flame-retardant materials. This makes it particularly safe for use in homes and offices, where accidental tipping might occur. Both heaters are built with safety in mind, but the Pereysi offers more specific safety certifications, such as ETL certification, which may provide extra peace of mind for users.
Pricing Comparison
The 450W Mini Space Heater is priced at $17.99, while the Pereysi Ceramic Personal Space Heater is slightly more expensive at $20.30. This makes the Upwsma heater about 11% cheaper than the Pereysi model. While both heaters are reasonably priced for their features, the lower cost of the 450W heater might make it more appealing to budget-conscious consumers.
Additionally, the average price over the last 90 days for the Upwsma heater is $21.38, suggesting that it may occasionally be offered at a higher price point. The Pereysi heater has a 90-day average price of $22.40, indicating that it generally remains consistent in its pricing strategy.
Ideal Usage Scenarios
The 450W Mini Space Heater is particularly suited for small offices, dorm rooms, and RVs, where space is limited, and heating a larger area is not necessary. Its compact size and low wattage make it an economical option for those living in mild climates or looking to heat personal spaces without incurring high energy costs.
Conversely, the Pereysi Ceramic Personal Space Heater is designed for quick, focused heating, making it ideal for under desks, and for individuals who need immediate warmth for their feet or hands. Its flexibility in wattage makes it useful for a variety of settings, including offices and RVs, where power limitations may be a concern. While both heaters excel in personal heating, their ideal scenarios slightly differ, catering to various user needs.
Customer Reception and Sales Rank
The 450W Mini Space Heater has a sales rank of 78,554, indicating a moderate level of popularity among consumers. This suggests that while it is not a bestseller, it certainly has garnered attention for its features and pricing.
On the other hand, the Pereysi Ceramic Personal Space Heater has a sales rank of 126,466, which is lower, suggesting it is less popular among buyers compared to the Upwsma model. While both products have found their niche, the 450W heater appears to be the more favored choice in the current market.
Which should you buy?
Choosing between the 450W Mini Space Heater With Temperature Detection and the Pereysi Ceramic Personal Space Heater largely depends on your specific needs. The Upwsma heater stands out for its compact design, energy efficiency, and lower price, making it an excellent choice for users looking for economical heating in small spaces.
In contrast, the Pereysi heater excels in providing quick warmth and offers more wattage flexibility, which may be beneficial for those needing immediate heat in a personal workspace. Ultimately, if budget and compact size are your priorities, the 450W Mini Space Heater might be the better option, whereas the Pereysi is better suited for users seeking quick heating capabilities.

