Do you provide free spares for each order?

We do not provide free spares, but we have a free repairing or replacement policy with a 99.5% quality rate.

What are your main markets?

Our main markets include Europe, Middle East, Asia, Latin America, US, and Canada.

What are the payment terms?

We accept FOB Xiamen, 50% TT, or L/C as payment terms.

4 Inch Colorful Square Thermostat with 4" Display Smart Tuya APP Matter or WiFi

Name: 4 Inch Colorful Square Thermostat with 4" Display Smart Tuya APP Matter or WiFi
Brand: Xiamen E-Top Controls Technology Co., Ltd.
SKU: 2167250925

Fujian, ChinaXiamen E-Top Controls Technology Co., Ltd.

Negotiable

100 Pieces

Sample price:US$58.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

HT-69

ventilation mode

mechanical ventilation

Certification

ISO9001

Color

White/Black

Installation

Wall Mounted

Programmable

Yes

Application

Electric Heating, Boiler Control

Multi-Language

Yes

Floor Sensor

Yes

Sensor Type

Ntc 10K

OEM Packakge

Yes

Transport Package

Carton

Specification

86*86*15.8

Trademark

none

Origin

China

HS Code

9032100000

Production Capacity

1500000 PCS/Year

Key features

Smart APP & Voice Control: Works with Tuya APP, Amazon Alexa, and Google Assistant for convenient remote control.

Multi-Language Display: Features a 4-inch LCD touch screen supporting English, Spanish, German, Italian, and Portuguese.

Comprehensive Safety Protection: Includes floor protection, overheat protection, and external sensor support for safe operation.

Flexible Customization Options: Offers customized logo, package, software UI, and hardware PCB based on customer requests.

Wide Certification Coverage: Certified with CE, RoHS, FCC, UL, and Energy Star to meet global market standards.

Professional OEM/ODM Manufacturer: Established in 2003 with 1.5M annual capacity and full manufacturing lines for reliable supply.

Energy Efficient Design: Supports manual, schedule, and eco modes to optimize energy consumption for heating systems.

Company profile

ODM ServicesOEM ServicesManagement CertificationFast Delivery

Xiamen E-Top Controls Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 14 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤11.34h

AI-Powered supplier vetting

SummaryE-TOP is identified as a professional thermostat technology supplier integrating design, R&D, production, marketing, and sales. Evidence shows ISO9001:2015 and ISO14001/ISO14001:2015 management certifications, CE certification, documented complaint and corrective-action procedures, and established quality-control practices. The supplier reports 17 years of R&D engineer experience, recent new-product development, 3D software design, sample-based customization, and production capacity of 900,000 room thermostats annually. It has six quality inspectors and multiple production facilities. Financial records are identified for 2021–2023, but their results are not provided. Overseas service infrastructure is limited: no overseas warehouse, showroom, agent, or branch is reported, although the supplier has participated in an exhibition in Russia and reports 90% export sales.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and describes E-TOP as a thermostat manufacturer integrating design, R&D, production, marketing, and sales. Its stated focus on climate-control products and technical support supports classification as a specialized manufacturer rather than a general trading company.

CertificationsThe supplier reports ISO9001:2015 and ISO14001/ISO14001:2015 management-system certifications, as well as CE certification; RoHS is also mentioned in the company description. These stated certifications provide explicit evidence of formal quality, environmental, and product-compliance credentials.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, and describes good after-sales experience. However, it reports no overseas warehouse, showroom, agent, or branch; therefore, its procedural after-sales capability is evidenced, while local overseas support is limited.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, new products during the past year, and 17 years of total R&D engineer experience. Its stated emphasis on innovation and engineering, together with integrated design and R&D operations, provides explicit evidence of innovation capability.

Production capacityE-TOP reports two high-speed SMT lines, six injection-molding lines, four assembly lines, and facilities covering printing, SMT, wave soldering, reflow, injection, and assembly-related production. It also reports annual output of 900,000 room thermostats and six quality inspectors, supporting substantial manufacturing capability.

Customization capabilityThe supplier explicitly provides customization from samples and offers 3D software design services. These services indicate that it can adapt product designs based on customer-provided samples, although no broader customization scope or engineering performance details are provided.