Inward opening UPVC windows from Hunan Haolv Building Materials offer remarkable execution with double usefulness. These windows tilt internal for draft-free ventilation or swing completely open for simple cleaning—all from the security of your insides space. Built with premium multi-chamber UPVC profiles and triple EPDM fixing, they convey extraordinary warm separator and decrease commotion by 30–40 dB. Certified to ISO, CE, and AAMA measures, our windows are sponsored by 19 a long time of fabricating skill and transport inside 25–30 days. Perfect for private flats, estates, and high-rise buildings where consolation, security, and vitality effectiveness matter most.

Dual Opening Flexibility
Tilt mode gives secure ventilation without compromising security. Turn mode opens the window completely internal, making cleaning effortless—even on upper floors.
Superior Energy Efficiency
Multi-chamber UPVC profiles minimize warm exchange, keeping your space hotter in winter and cooler in summer. You'll take note lower vitality bills and moved forward indoor comfort.
Enhanced Security
Multi-point locking frameworks and anti-misoperation gadgets give vigorous security against constrained section. Your family's security is our priority.
Exceptional Sound Insulation
Enjoy peace and calm with 30–40 dB commotion diminishment. Idealize for homes close active lanes or urban environments.
Low Maintenance & Durability
UPVC outlines stand up to dampness, erosion, and blurring. They require negligible upkeep and keep up their appearance for years.
Triple Sealing Protection
EPDM gaskets guarantee predominant airtightness and water resistance, keeping drafts and spills out in all climate conditions.

| Parameter | Specification |
|---|---|
| Series | 70 / 80 / 88 system (European standard compatible) |
| Material | Premium UPVC multi-chamber profile |
| Opening Type | Tilt & Turn (inward opening) |
| Profile Structure | Multi-chamber design for thermal insulation |
| Glass Type | Tempered / Laminated / Insulated double/triple glazing |
| Hardware | European standard multi-point locking system |
| Sealing System | Triple EPDM sealing |
| Thermal Insulation | Excellent heat retention performance |
| Sound Insulation | 30–40 dB noise reduction |
| Surface Finish | White / Wood grain / Matte / Custom RAL colors |
| Drainage System | Hidden drainage design |
| Wind Resistance | Suitable for high-rise and extreme weather |
| Certification | CE / ISO / AAMA compliant |
| Application | Residential / Villas / High-end buildings |
Every venture is interesting. That's why we offer full OEM/ODM customization to coordinate your correct requirements:
Glass Choices:
Hardware Options:

Residential Apartments
Ideal for present day living spaces where vitality proficiency and clamor control are essential.
Villas & Luxury Homes
Combines rich plan with high-performance highlights that complement upscale architecture.
High-Rise Buildings
Inward opening UPVC windows design makes cleaning safe and convenient from inside, eliminating the need for exterior access.
Urban Environments
Superior sound cover makes tranquil add indeed in active city centers.




19 Years of Manufacturing Experience
We've refined our processes to deliver consistent quality and reliability.
Complete System Solution
Source outlines, glass, and equipment from one trusted provider. Streamline your obtainment and diminish venture complexity.
Certified Quality Assurance
ISO, CE, and AAMA certifications ensure items meet worldwide standards.
Fast & Reliable Delivery
Efficient supply chain guarantees shipment inside 25–30 days from arrange confirmation.
Expert Technical Support
Our building group gives application direction, framework arrangements, and project-based bolster custom fitted to your needs.
Flexible Customization
Deep OEM/ODM capabilities permit us to adjust items to your details and extend requirements.

Q: Why should I choose your company?
A: Hunan Haolv Building Materials has over 18 years of industry experience specializing in UPVC and aluminum windows. Our products meet CE, ISO, and AAMA standards. We focus on delivering quality, durability, and long-term value for every customer.
Q: What is the advantage of inward opening windows compared to normal casement windows?
A: Our product provide dual functionality—tilt mode for safe ventilation and turn mode for full opening. They offer better sealing, enhanced security with multi-point locks, and allow easy cleaning from inside, making them especially practical for high-rise buildings.
Q: How secure are these windows?
A: They feature multi-point locking systems and anti-misoperation devices, providing robust protection against forced entry and ensuring high security standards for your home.
Q: Can I customize the size and color?
A: Absolutely. We offer full customization including sizes, colors, finishes, and hardware options to match your project requirements.
Q: What is the lead time for orders?
A: We ensure efficient delivery within 25–30 days from order confirmation thanks to our well-established supply chain and sufficient inventory.
Ready to use the Inward opening UPVC windows to upgrade your project? Contact us for a free consultation and sample support: kristin@haolvwindows.com
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