Best match
SOFT-Portable Electric Heater 800W Space Heater PTC Rapid Heating Automatic Constant Temperature For Office Home EU Plug-B
AliExpress · Top-ranked for this budget
$18.64$39.65
Get deal Prices updated Nov 13, 2026
Best Space Heaters Under $20
We compared 51 space heaters priced under $20 from 4 stores. Most cost around $19.13, and well-matched options start at $15.99. AliExpress, U UZOPI, Electactic-VC and Deal Genius have the most models in this price range. 40 are currently marked down. Prices come from each store's product feed and are refreshed every day.
51Compared
4Stores
$15.99From
40On sale
Top picks under $20
Budget pick
600W Smart Space Heater Dual Gear Compact Quiet Heating Threaded Wire EU/US Plug Portable Electric Heater for Home Offic
Banggood · One of the cheapest well-matched options
$15.99
Get deal 
Big price drop
Hand Warmers Rechargeable - Magnetic Electric Hand Warmers 2 Pack, LED Display, 4 Settings Fast Heating Reusable Portable Heater Handwarmers for Golf Hunting Camping Essentials, Gifts for Me
Amazon · 20% below its usual price
$19.99$24.99
Get deal 51 deals
Space heaters under $20
-53%
AliExpressSOFT-Portable Electric Heater 800W Space Heater PTC Rapid Heating Automatic Constant Temperature For Office Home EU Plug-B
$18.64$39.65
You save $21
-60%
AliExpressPortable Electric Heater Desktop Hand Warmer Space Warm Air Blower Mini Fan Heater for Home Heaters US Plug Black-A79M
$16.80$42
You save $25
-20%
-70%
AliExpressGAIATOP Heater For Home Electric Fan Heater Home Heaters Energy Saving Bedroom Heating For Office Space Heater Heater Portable
$19.75$65.85
You save $46
-65%
AliExpressSpace Heater 360 Degree Rotation Cooling Air Blower Small Plug In Windscreen Heater Fan For Truck Vehicle Sedan Pickup Scooter
$19.61$56.03
You save $36
-55%
AliExpressPortable Space Heater Air Conditioner Shape Desktop Warming Tool Desk Personal Heater For Women Men Table Bedside Apartment Room
$19.91$44.24
You save $24
-20%
-50%
AliExpressPortable Space Heater Mini Air Conditioner Shape Warming Device Desk Personal Heater For Women Men Table Bedside Apartment Room
$19.76$39.53
You save $20
-55%
AliExpressSmall Space Heaters Air Conditioner Shape Desktop Warming Tool Desk Personal Heater for Women Men Table Bedside Apartment Room
$19.23$42.73
You save $23
-46%
AliExpressEU Plug Space Heater Household Warm Air Blower Constant Temperature Electric Heater Fixed Office Desktop Oil Radiator
$19.96$36.96
You save $17
-62%
AliExpressSpace Heater 3 Heat Levels 800W Overheating Protection Electric Heater For Apartment Living Room Bedroom Study Desk Table Office
$17.84$46.94
You save $29
-43%
AliExpressPortable Ceramic Heaters Fan Silent Room Heater with Remote Control Overheat Protection Electric Fan Heater for Home Office
$19.38$34
You save $15
-53%
AliExpressPortable Wall Heater 900W Wall Plug In Space Heater Electric Noiseless Overheating Protection Space Heater Flame-Retardant For
$18.13$38.58
You save $20
-50%
AliExpressSmall Space Heater Fan 2 Gear Electric Space Heater Versatile Portable 18V Battery Powered for Workshop Electric Heater Fan
$18.15$36.31
You save $18
Not what you need? Search all space heaters →
Refreshed daily. Prices come straight from each store's product feed — last update Nov 13, 2026.
4 stores, one list. We mix stores so no single shop crowds out the rest.
Coupons on top. Look for the coupon tag on a deal to save even more at checkout.
Space Heaters under $20: FAQ
1What is the cheapest space heater under $20?
1
What is the cheapest space heater under $20?In today's comparison, well-matched space heaters start at $15.99 — for example "600W Smart Space Heater Dual Gear Compact Quiet Heating Threaded Wire EU/US Plug Portable Electric Heater for Home Offic" at Banggood. Prices change daily, so check the store for the current price.
2How much do space heaters under $20 usually cost?
2
How much do space heaters under $20 usually cost?The typical price of the space heaters in this list is about $19.13. 51 models from 4 stores are listed under $20.
3Which stores sell space heaters under $20?
3
Which stores sell space heaters under $20?AliExpress (39), Banggood (8), Amazon (2) and Deal Genius (2) — the number shows how many matching space heaters each store has.
4Are any space heaters under $20 on sale?
4
Are any space heaters under $20 on sale?Yes — 40 are marked down right now. The biggest markdown is 70% off "GAIATOP Heater For Home Electric Fan Heater Home Heaters Energy Saving Bedroom Heating For Office Space Heater Heater Portable" at AliExpress ($19.75). Use the "On sale" filter to see them all.
5How often is this list updated?
5
How often is this list updated?Every day, after the stores' product feeds are refreshed. This list was last updated on Nov 13, 2026. Prices and stock can change at any time, so the store's own page is always the final word.
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Prices and availability come from the stores and may change. We may earn a commission when you buy through these links — affiliate disclosure.