No C Wire Options
Compare no-C-wire smart thermostats by power method: included adapters and extenders, battery power, and the line-voltage systems to rule out.
ControlTemp Thermostats CT3000 CT3000 Wi-Fi Thermostat
Features
- Integration with Smart Home Ecosystems
- Flexible Scheduling: 4 programs daily
- Adjustable Limits: max heat/min cool
- Tamper-Proof Design with lock code
- Customizable Locking: partial/full lock
- Versatile Operation: Comfort/Eco/Schedule
General specs
- Brand: ControlTemp Thermostats
- Model: CT3000
- Seller: Retailer
- ID: B0DPR542CB
- Brand: ControlTemp Thermostats
- Schedule: 4 periods/day, 7 days/week
- Lock Type: Partial/Full with 4-digit code
- Product Name: CT3000 Wi-Fi Thermostat
- Requires C-Wire: Yes
- Operating States: Comfort, Eco, Schedule
- Adjustable Limits: Max heat, Min cool
- Smart Home Compatibility: Smart Life, Amazon Alexa, Google Assistant
- First listed by seller: May 20, 2026
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
Delivery to 
United States
United States
Available
If you manage rental properties or a vacation home, the CT3000 Wi-Fi Thermostat gives you remote control and peace of mind. You can adjust the temperature from your phone, check if the AC is running, and set limits so tenants can't waste energy.
The tamper-proof design is key. You can lock the thermostat completely or just partial lock the menu, using a custom 4-digit code. This prevents unauthorized changes and keeps your energy bills predictable. The adjustable limits let you set a max heat and min cool, so the system stays within a comfortable range without overworking.
Make sure your system has a common C-wire for power. Once installed, you can schedule up to 4 periods per day for each day of the week. Switch between Comfort, Eco, and Schedule modes with a tap. Pair it with Alexa or Google Assistant for voice control, or integrate with Smart Life to automate routines. The CT3000 is built for landlords who want control without complexity.
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| Brand | ControlTemp Thermostats | EdgeAnt | MRCOOL COMFORT MADE SIMPLE | Honeywell Home | Emerson | |
| Model | CT3000 | T4000ES | MST04 | RTH6580WF | ST55 | |
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| Price | €98.17 | €106.21 | €53.54 | €116.03 | €57.97 | €77.18 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | Jun 24, 2026 | May 29, 2026 | Jun 24, 2026 | Jun 24, 2026 | May 20, 2026 | May 20, 2026 |
| Smart Home Compatibility | Smart Life, Amazon Alexa, Google Assistant | Alexa, Google Assistant | Alexa | |||
| Voice Control | Amazon Alexa, Google Assistant | Alexa, Google Assistant | Yes | |||
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