As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.
Our top picks
Short on time? Our top recommendation is the Dreo Solaris 317 Space Heater.
Compare
At a glance
The traits that separate these picks, side by side.
| # | Product | Best for | Key feature | |
|---|
| 1 | | — | 1500W PTC ceramic heating element | Check ↗ |
| 2 | | — | 1500W oil-filled radiator | Check ↗ |
| 3 | | — | Vortex heat circulation fan | Check ↗ |
| 4 | | — | 29-inch oscillating tower | Check ↗ |
In depth
The 4 best, explained
Why each made the cut, where it falls short, and who should buy it.
Top pickDreo
Quietest fan of any heaterat this price, at just 34dB
- 1500W PTC ceramic heating element
- 70-degree oscillation
- 34dB whisper-quiet brushless DC motor
- Digital thermostat, 41°F to 95°F
- 12-hour timer with remote
- Typically around $80
✓ Pros
- Quietest fan of any heaterat this price, at just 34dB
- 70-degree oscillation covers more of a room than fixed-direction competitors
- Precise 1°F thermostat steps hold a steady temperature better than dial-based models
✕ Cons
- More expensive than basic tower heaters without matching wattage
- Plastic housing feels lighter-duty than a metal radiator
- No oil-filled residual heat retention after shutoff
De'Longhi
Its case rests on silent, fanless operation unlike every ceramic heater in this list and retains warmth for a while after shutting off.
- 1500W oil-filled radiator
- 75% more radiant surface area design
- Digital display and programmable timer
- ECO energy-saving mode
- Typically $90 to $100
✓ Pros
- Silent, fanless operation unlike every ceramic heater in this list
- Retains warmth for a while after shutting off
- ECO mode helps manage running cost over long sessions
✕ Cons
- Slowest to reach target temperature
- Bulkiest and heaviest option
Vornado
Its case rests on best-suited option here for under-desk or personal-zone heating and cool-touch housing is safer for close-range use than exposed models. Keep in mind that not built to heat a large room on its own.
- Vortex heat circulation fan
- Cool-touch exterior
- Compact footprint
- Automatic tip-over shutoff
- Typically around $55
✓ Pros
- Best-suited option here for under-desk or personal-zone heating
- Cool-touch housing is safer for close-range use than exposed models
✕ Cons
- Not built to heat a large room on its own
- No oscillation or thermostat dial
Lasko
Its case rests on tallest tower in this list, spreading heat across a wider vertical area and large, well-established ratings history. Keep in mind that only 2 fixed heat settings, not a stepless thermostat.
- 29-inch oscillating tower
- Logic Center digital remote
- Adjustable thermostat
- Typically around $45
✓ Pros
- Tallest tower in this list, spreading heat across a wider vertical area
- Large, well-established ratings history
✕ Cons
- Only 2 fixed heat settings, not a stepless thermostat
- Noticeable fan noise on high
How we chose these picks
Every pick below earned its place through documented strengths, verified specifications, consistent praise in reputable reviews, and owner-feedback patterns. We don't sell placements, and we don't invent test scores.
Mistakes buyers often make
- Buying on brand name alone instead of matching features to your actual use case.
- Overpaying for headline specs you'll never use, define must-haves first.
- Ignoring size — compatibility, and ongoing costs (filters, accessories, refills).
- Trusting star ratings without reading what owners compla in about after 6 months.
How to choose: the factors that matter
- Capacity and sizing — Measure your space and your actual use before falling for bigger-is-better. The right size is the one that fits your routine, not the spec sheet's maximum.
- Build quality and materials — Heavier-gauge materials, tight tolerances, and solid joints outlast thin, rattly construction. In reviews, look for longevity comments over first-impression praise.
- Ease of use and setup — Clear instructions, intuitive controls, and minimal assembly separate daily drivers from garage ornaments.
- Maintenance and cleaning — Whatever you buy will need cleaning. Removable, dishwasher-safe, or wipe-clean parts get maintained; fiddly ones get neglected.
- Warranty and support — A multi-year warranty signals the manufacturer expects it to last. Check what's actually covered, motors and frames matter more than accessories.
The bottom line
There's no single 'best' here, only the best match for your situation. Start from your must-have features, then choose the least expensive pick that covers them.
FAQ
Common questions
What are the best space heaters under $100 right now?
Our top pick is the Dreo Solaris 317 Space Heater (top pick), because quietest fan of any heaterat this price, at just 34dB. The runner-up is the De'Longhi Dragon Digital Oil-Filled Radiator TRD40615EBK, followed by the Vornado VH202 Personal Space Heater.
Is the Dreo Solaris 317 Space Heater worth it?
For most buyers, yes. It ranks #1 in our space heaters under $100 research, though more expensive than basic tower heaters without matching wattage.
Is an oil-filled radiator worth it under $100?
It's worth the extra cost if you want a heater for a room you sit in for hours, like a living room in the evening.
Keep researching
Related guides & comparisons