20-40kW Smart Constant Temperature Gas Boiler Wall Mounted Instant Heating WiFi Control Energy Saving

Precise Temperature Control

Advanced temperature sensing technology continuously adjusts heating output to maintain a stable temperature, ensuring you enjoy consistent warmth and comfortable hot water without sudden fluctuations.

Energy-Saving Heating Performance

Intelligent temperature management optimizes gas consumption according to actual demand, helping you reduce energy costs while keeping your home warm throughout the heating season.

Flexible Dual-Mode Operation

Easily switch between central heating mode and domestic hot water mode with preset settings, giving you the flexibility to adapt to seasonal and daily usage requirements.

User-Friendly Control Interface

The intuitive control panel features clear temperature settings and simple operation, allowing you to adjust heating and hot water functions quickly and effortlessly.

Reliable Everyday Comfort

Built for stable long-term operation, the system delivers dependable heating and hot water performance for residential properties and small commercial applications.

Instant Hot Water on Demand

Enjoy continuous hot water whenever you need it, whether for showers, kitchen use or household cleaning, eliminating long waiting times.

Smart WiFi Remote Control

Monitor and adjust your heating system from anywhere using your smartphone, allowing you to warm your home before arriving and improve daily convenience.

Consistent Comfort for the Whole Family

Maintain a comfortable indoor environment throughout the day, ensuring every family member enjoys reliable warmth during cold weather.

Perfect for Underfloor Heating Systems

Provides stable water temperature for underfloor heating installations, creating evenly distributed warmth and improved comfort in living rooms, bedrooms and family spaces.

Ideal for Radiator Heating Networks

Works seamlessly with radiator systems, delivering rapid room heating and maintaining comfortable temperatures throughout your property.

Quiet Operation for Comfortable Living

Low-noise operation allows you to enjoy a peaceful home environment without disturbing daily activities, work or sleep.

Designed for Apartments

A compact and efficient solution for apartment owners looking for reliable heating and hot water while maximizing living space.

Perfect for Villas and Family Houses

Provides powerful whole-home heating and hot water supply, ensuring comfort for larger households with multiple bathrooms and living areas.

Suitable for Small Commercial Spaces

An excellent choice for offices, retail stores, cafés, clinics and service businesses that require dependable heating and hot water for customers and staff.

Fast Heating Response

Quickly reaches the desired temperature after startup, helping you create a warm and comfortable environment in less time.

Year-Round Comfort Solution

Provides efficient space heating during winter and reliable domestic hot water throughout the year, making it a practical solution for everyday living.

Durable and Low Maintenance

High-quality components and intelligent system protection help reduce maintenance requirements and ensure dependable long-term performance.

Safe and Dependable Operation

Multiple built-in safety protections provide peace of mind, allowing you to enjoy comfortable heating and hot water with confidence.

Comfortable Living Starts with You

Whether you live in an apartment, villa, family house or operate a small business, this smart gas boiler helps you enjoy efficient heating, stable hot water and lower operating costs every day.

22 Years of Manufacturing Experience

You work with a company that has been focused on home appliance development and manufacturing for over 22 years. This experience allows us to understand market demands, improve product performance, and maintain stable production standards. Whether you are launching a new product line or expanding your existing business, you can rely on a partner with proven industry expertise.

Strict ISO 9001 Quality Management

You can have confidence in every product you receive. Our ISO 9001-certified quality management system covers every stage of production, from raw material inspection and component testing to in-process quality control and final product inspection. This helps ensure consistent quality and reduces the risk of after-sales issues for your business.

Trusted by Customers Worldwide

You benefit from products that are already serving customers across North America, South America, Europe, Russia, Africa, and other international markets. This global experience helps us better understand different market requirements and allows you to source products with proven acceptance and performance.

One-Stop OEM & ODM Service

You can simplify your sourcing process with complete OEM and ODM support. From product design and component selection to packaging, branding, and final production, our team works closely with you to develop products that match your market needs and brand positioning.

Modern Production Facilities

You benefit from advanced production equipment and well-organized manufacturing lines designed to improve efficiency and product consistency. This helps ensure stable quality and reliable production schedules, even during peak seasons.

Professional Research and Development Team

You gain access to an experienced engineering team focused on product innovation and continuous improvement. Whether you need product customization, technical upgrades, or new product development, we can help turn your ideas into market-ready solutions.

Comprehensive Quality Testing

You receive products that go through multiple testing procedures before shipment. These include performance testing, safety inspections, durability checks, gas leakage testing, and final quality verification. Our goal is to make sure every unit performs as expected when it reaches your customers.

Certification Support for Global Markets

You can source products designed to meet the requirements of different countries and regions. Our team understands international compliance standards and can support certification needs to help you enter new markets more efficiently.

High After-Sales Rate

You need products that perform reliably after they reach your customers. Vangood follows strict quality control procedures throughout the entire production process, from component inspection to final product testing. This helps You reduce returns, warranty claims and after-sales costs while improving customer satisfaction.

Unstable Quality

You should never have to worry about inconsistent product quality from one order to the next. Vangood operates under a comprehensive quality management system to ensure every batch meets the same standards, giving You confidence in every shipment.

Insufficient Certifications

You may face challenges when entering different markets without the proper certifications. Vangood provides CE-certified products and supports compliance requirements, helping You bring products to market more smoothly and with fewer obstacles.

Unstable Water Temperature

Your customers expect a comfortable and reliable hot water experience. Vangood uses stable heating and combustion technology to help You provide consistent hot water performance in a wide range of operating conditions.

Poor Low Water Pressure Performance

Many outdoor and remote locations have limited water pressure. Vangood water heaters are designed to operate under low water pressure conditions, allowing You to serve camping, RV, caravan, farm and off-grid markets more effectively.

High Gas Consumption

Rising energy costs can impact both You and Your customers. Vangood focuses on improving thermal efficiency and optimizing combustion performance, helping You offer products that deliver reliable hot water while reducing fuel consumption.

Difficult Installation

Complicated installation can lead to customer complaints and additional support requests. Vangood provides complete accessories, user-friendly designs and clear installation guidance, making setup easier for You and Your customers.

Limited Spare Parts Support

Reliable spare parts availability is essential for long-term business success. Vangood maintains ongoing support for key components and accessories, helping You simplify maintenance, repairs and after-sales service.

Long Lead Times

You need a supplier that can keep up with your business schedule. With mature production management and a stable supply chain, Vangood helps You reduce delays and maintain consistent inventory levels throughout the year.

Limited OEM & ODM Capabilities

Every market is different, and Your products should reflect that. Vangood offers flexible OEM and ODM services, allowing You to customize logos, packaging, product specifications and appearance to better match Your brand and target customers.

Transportation Damage Risks

Damaged products create unnecessary costs and customer dissatisfaction. Vangood uses reinforced packaging solutions and export-ready packing standards to help You minimize shipping damage and ensure products arrive in good condition.

Slow After-Sales Response

When issues arise, You need support you can count on. Vangood provides responsive communication and professional customer service, helping You get answers quickly and resolve problems efficiently so Your business can keep moving forward.

Q: Are you a trading company or a manufacturer?
A: We are a professional manufacturer located in Dongfeng Town, Zhongshan City, Guangdong, China. With more than 22 years of experience in home appliance production and R&D, we specialize in gas water heaters, electric water heaters, gas boilers, gas stoves, range hoods, and other kitchen appliances. We warmly welcome customers from around the world to visit our factory and discuss cooperation opportunities.

Q: What is your MOQ?
A: Our MOQ depends on the product model and customization requirements. We offer flexible MOQ options and support trial orders, allowing you to evaluate product quality and market potential before placing larger orders.

Q: What is your lead time?
A: For first-time orders, the production lead time is usually 35–45 days after confirming all order details. For repeat orders, the lead time is typically 25–35 days. The exact schedule depends on order quantity, product specifications, and customization requirements.

Q: Do you provide samples? Are they free?
A: Yes, we provide samples for quality evaluation and testing. The sample price is usually 1.5 times the unit price. However, the sample cost can be refunded in your first bulk production order, helping reduce your initial purchasing risk.

Q: What are your payment terms?
A: For payments ≤ USD 1,000, 100% payment is required in advance. For payments ≥ USD 1,000, we accept 30% T/T deposit in advance, with the balance paid before shipment. We can also accept 100% L/C at sight for qualified orders.

Q: Do you support OEM and ODM services?
A: Yes. We provide comprehensive OEM and ODM services, including logo printing, packaging design, product appearance customization, technical specification adjustments, and function development. Our professional R&D team can help create products tailored to your market needs.

Q: Can you provide customized packaging?
A: Yes. In addition to standard export packaging, we offer customized color boxes, gift boxes, branded cartons, instruction manuals, labels, and private packaging solutions to support your brand development.

Q: What is your warranty period?
A: We provide a one-year warranty for non-human quality issues. Our technical team also offers after-sales support and spare parts assistance to help ensure long-term product performance.

Q: What certifications do your products have?
A: Our factory operates under a strict ISO 9001 quality management system. Products are manufactured according to international standards, and relevant certifications can be provided based on your target market requirements.

Q: Do you supply spare parts?
A: Yes. We provide long-term spare parts support for maintenance and after-sales service. Spare parts can be supplied together with product orders or separately according to customer requirements.

Q: Do you provide market support?
A: Yes. We can provide product photos, videos, technical specifications, catalogs, promotional materials, and marketing suggestions to help you promote products and expand your local market.

Q: Are all products tested before shipment?
A: Yes. Every product undergoes strict inspections and testing before shipment, including raw material inspection, production process control, safety testing, performance testing, and final quality verification.

Q: How do you control product quality?
A: We follow a complete ISO 9001 quality management system. Quality control covers every stage from raw material sourcing, component inspection, assembly, and product testing to final packaging, ensuring consistent and reliable product quality.

Q: What is your production capacity?
A: Our factory is equipped with modern production facilities and stable manufacturing lines, enabling us to support both small-volume trial orders and large-scale commercial projects while maintaining consistent quality and delivery schedules.

Q: What are your main products?
A: Our main products include gas water heaters, electric water heaters, gas boilers, gas stoves, range hoods, gas ovens, and other kitchen appliances. We continue to develop new products to meet the changing demands of global markets.

Q: Can you provide SKD or CKD solutions?
A: Yes. We have extensive experience supporting SKD and CKD projects. We have successfully cooperated with customers from Vietnam, Pakistan, India, Brazil, Mexico, Turkey, and other countries. SKD and CKD configurations can be customized according to your assembly requirements, helping reduce import duties and improve local production efficiency.

Q: Which markets do you serve?
A: Our products have been exported to North America, South America, Europe, Russia, Africa, Southeast Asia, and the Middle East. Our extensive export experience allows us to provide products and services that meet the requirements of different international markets.

Q: Why choose us?
A: With over 22 years of manufacturing experience, a professional R&D team, strict ISO 9001 quality control, advanced production equipment, comprehensive OEM/ODM capability, and rich export experience, we are committed to providing reliable products, stable supply, and long-term partnership support for customers worldwide.