ASNUG Space Heater vs Comfort Zone Personal Space Heater – Energy
Updated August 2026 — ASNUG Space Heater wins on heating time and size, Comfort Zone Personal Space Heater – Energy wins on weight and safety.
The ASNUG Space Heater is a more affordable and compact option, while the Comfort Zone offers more customizable heating features.
Why ASNUG Space Heater is better
Price
ASNUG is cheaper at $19.99 compared to Comfort Zone's $26.18.
Compact Size
ASNUG is smaller and easier to fit in tight spaces.
Quick Heating
ASNUG heats up in just 2 seconds.
Why Comfort Zone Personal Space Heater – Energy is better
Heating Area
Comfort Zone can heat spaces up to 150 sq. ft.
Customizability
Comfort Zone has adjustable thermostat and 3 heat settings.
Safety Features
Comfort Zone has cool-touch housing for added safety.
Overall score
Specifications
| Spec | ASNUG Space Heater | Comfort Zone Personal Space Heater – Energy |
|---|---|---|
| Power | 500W | 1500W |
| Heat Settings | 1 | 3 |
| Thermostat | No | Yes |
| Tip-Over Protection | Yes | Yes |
| Overheat Protection | Yes | Yes |
Dimension comparison
Overview of the ASNUG Space Heater and Comfort Zone Personal Space Heater
The ASNUG Space Heater is priced at $19.99, making it about 17% cheaper than the Comfort Zone Personal Space Heater, which costs $26.18. While both heaters are designed for indoor use, their features and specifications cater to slightly different needs and preferences, providing consumers with options depending on their heating requirements.
Heating Efficiency
The ASNUG Space Heater utilizes PTC ceramic heating elements to deliver efficient heat within just 2 seconds. This rapid heating capability makes it an ideal choice for quick warmth in small spaces. In contrast, the Comfort Zone Personal Space Heater is designed to efficiently heat indoor areas up to 150 square feet and boasts Energy Save technology that can enhance efficiency by up to 30%. While both heaters prioritize energy efficiency, the ASNUG focuses on speed, while Comfort Zone emphasizes broader heating coverage and energy savings.
Safety Features
Safety is a critical consideration for both heaters. The ASNUG Space Heater includes multiple safety features, such as automatic overheat protection and a tip-over switch that turns off the unit if it falls. The Comfort Zone Personal Space Heater also prioritizes safety with similar features, including an automatic overheat protection system and a safety tip-over switch. Additionally, its cool-touch housing ensures that the exterior remains safe to the touch even during high-heat operation. Both products are equipped to minimize safety risks, with a slight edge to Comfort Zone for its cool-touch design.
Portability and Design
Portability is a significant advantage for both heaters, but they differ in their design aspects. The ASNUG Space Heater is compact and lightweight, measuring just 6.1 inches x 5.75 inches x 2.87 inches, making it easy to transport around the home or office. On the other hand, the Comfort Zone Personal Space Heater features a molded carry handle for straightforward relocation. While both heaters are designed for easy movement, the ASNUG’s smaller dimensions might make it a better fit for tight spaces or small desks.
Noise Levels
Both heaters are designed with quiet operation in mind. The ASNUG Space Heater operates with minimal noise, making it perfect for use in bedrooms or during study sessions. The Comfort Zone Personal Space Heater is also engineered for whisper-quiet operation, ensuring that it provides warmth without disturbing your focus. For consumers sensitive to noise, both options are suitable, although the ASNUG explicitly mentions its silent mode, which may appeal more to those prioritizing tranquility.
Customizability
The Comfort Zone Personal Space Heater offers customizable comfort with three distinct heat settings and an adjustable thermostat, allowing users to dial in their ideal temperature. This feature provides flexibility for varying heating needs. In contrast, the ASNUG Space Heater operates with a straightforward one-touch mechanism, which may be less customizable but is simpler to use. For those who prefer more control over their heating preferences, the Comfort Zone model provides a significant advantage.
Target Audience
The ASNUG Space Heater seems more tailored for personal use in smaller environments, making it an excellent option for bedrooms or small office spaces. Its compact size and efficient heating make it ideal for individuals looking for a quick and effective heating solution. Conversely, the Comfort Zone Personal Space Heater is designed for slightly larger spaces, accommodating areas up to 150 square feet, and includes features that enhance energy efficiency. This makes it a suitable choice for those who need more versatile heating solutions in shared spaces or larger rooms.
Which should you buy?
Ultimately, the decision between the ASNUG Space Heater and the Comfort Zone Personal Space Heater depends on your specific needs. If you are looking for an efficient, compact heater that heats up quickly and is easy to transport, the ASNUG at $19.99 is a great choice. However, if you require a heater that can cover larger areas and offers more customizable heating options, the Comfort Zone at $26.18 might be worth the investment. Both heaters are equipped with essential safety features, making either option a reliable choice for indoor heating.

