Best match
Smart Thermostat Wifi Programmable Smart Home Products Radiant Floor Heating Home Heating System for House
AliExpress · Top-ranked for this budget
$77.07$118.56
Get deal Prices updated Nov 11, 2026
Best Smart Thermostats Under $100
We compared 67 smart thermostats priced under $100 from 5 stores. Most cost around $62, and well-matched options start at $14.83. MOES_Shopify, Meross, VEVOR and DEWENWILS&EDISHINE have the most models in this price range. 50 are currently marked down. Prices come from each store's product feed and are refreshed every day.
67Compared
5Stores
$14.83From
50On sale
Top picks under $100
Budget pick
Smart Thermostat Matter WiFi Temperature Controller Water/ Electric /Gas /Boiler Floor Heating - 【GA】Water Floor Heating (5A)
MOES_Shopify · One of the cheapest well-matched options
$55.99$64.99
Get deal 
Big price drop
VEVOR 7-Day Programmable Thermostat, Home Thermostats for Radiant Underfloor Heating Cable,Heat Pump with GFCI & Sensitive Sensor,TFT Color Display To
VEVOR · 18% below its usual price
$59.62$72.99
Get deal 67 deals
Smart thermostats under $100
-35%
AliExpressSmart Thermostat Wifi Programmable Smart Home Products Radiant Floor Heating Home Heating System for House
$77.07$118.56
You save $41
-14%
MOES_ShopifyZigBee Star Ring Smart Thermostat Temperature Controller Water Boiler Electric Heating - 【GB】Electric Floor Heating / White
$82.99$96.99
You save $14
-35%
AliExpressDIY Smart Thermostat Multi-color Splicing Ultra-thin Thermostat for Floor Heating System
$74.77$115.04
You save $40
-18%
-15%
MOES_ShopifyZigBee Star Ring Smart Thermostat Temperature Controller Water Boiler Electric Heating - 【GC】Water/Gas Boiler / White
$80.99$94.99
You save $14
-5%
AliExpressGlomarket Wifi Smart Thermostat Floor Water Heating Color Screen Furnace Underfloor Heating Nest Smart Thermostat
$73.14$76.99
You save $4
-15%
MOES_ShopifyZigBee Star Ring Smart Thermostat Temperature Controller Water Boiler Electric Heating - 【GA】Water Floor Heating / White
$80.99$94.99
You save $14
-56%
AliExpressSmart Temperature-Controlled Fan Heater Fast Heating with Smart Thermostat Multi-Purpose Heater For Home And Commercial Use
$46.69$105.88
You save $59
Meross SmarthomeMeross Matter Smart Thermostat for Cooling and Heating System, MTS300MA
$66.99
-58%
AliExpress16A Tuya Wifi Smart Thermostat Temperature Controller Electric Warm Floor Heating Room Thermostat Works with Google Home Alexa
$42.42$101
You save $59
-50%
AliExpressTuya ZigBee Smart Thermostat Room Temperature Control Water/Electric Floor Heating Gas Boiler Work With Alexa Google Home
$45.45$90.90
You save $45
-58%
AliExpressSmart Thermostat Digital ZFX-W9002 Thermostat Temperature Humidity Control Incubator 360 Automatic Egg Turning 12V-A69M
$15.88$37.81
You save $22
Meross SmarthomeMeross Matter Smart Thermostat for Boiler/Water Heating System, MTS215BMA - Black
$65.99
-59%
AliExpressMOES Tuya WiFi Smart Thermostat, Electric Floor Heating Water/Gas Boiler Temperature Remote Controller for Google Home, Alexa
$22.99$55.68
You save $33
-10%
MOES_ShopifyWiFi Smart Thermostat Temperature Controller for Water/ Electric /Gas /Boiler Floor Heating - 【GA】WiFi Water Floor Heating / Black
$62.99$69.99
You save $7
Meross SmarthomeMeross Matter Smart Thermostat for Electric Underfloor Heating System, MTS215MA
$61.99
-14%
MOES_ShopifySmart Thermostat Matter WiFi Temperature Controller Water/ Electric /Gas /Boiler Floor Heating - 【GA】Water Floor Heating (5A)
$55.99$64.99
You save $9
Not what you need? Search all smart thermostats →
Refreshed daily. Prices come straight from each store's product feed — last update Nov 11, 2026.
5 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.
Smart Thermostats under $100: FAQ
1What is the cheapest smart thermostat under $100?
1
What is the cheapest smart thermostat under $100?In today's comparison, well-matched smart thermostats start at $14.83 — for example "1-10PCS eWelink TH16 WiFi Smart Thermostat Switch 16A Energy Consumption Monitoring Wireless Timer Voice Control Work with Alexa" at AliExpress. Prices change daily, so check the store for the current price.
2How much do smart thermostats under $100 usually cost?
2
How much do smart thermostats under $100 usually cost?The typical price of the smart thermostats in this list is about $62. 67 models from 5 stores are listed under $100.
3Which stores sell smart thermostats under $100?
3
Which stores sell smart thermostats under $100?AliExpress (39), MOES_Shopify (18), Meross Smarthome (4), VEVOR (4) and Amazon (2) — the number shows how many matching smart thermostats each store has.
4Are any smart thermostats under $100 on sale?
4
Are any smart thermostats under $100 on sale?Yes — 50 are marked down right now. The biggest markdown is 59% off "MOES Tuya WiFi Smart Thermostat, Electric Floor Heating Water/Gas Boiler Temperature Remote Controller for Google Home, Alexa" at AliExpress ($22.99). 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 11, 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.