NFRC Energy Efficient Single Hung Window Australian Showroom Aluminium Commercial Tempered Insulated Vertical Sliding Window

Product Description

We are a professional manufacturer of vinyl single-hung windows, the economical classic where the lower sash slides up for ventilation while the upper sash remains fixed. The lower sash is supported by a durable balance system and tilts inward for easy cleaning of both glass surfaces from inside. Multi-chamber UPVC frames, Low-E glazing and multi-seal weatherstripping deliver excellent energy efficiency at an affordable price. Fully customizable in size, color and glazing, with optional fly screen and sash locks. NFRC certified, OEM/ODM supported. Contact us for a quotation, or send your drawings for a custom quote.

Key Features

1. Simple & Economical Design — only the lower sash operates, reducing cost while keeping the classic vertical sash appearance.

2. Smooth Lower Sash Operation — the balance system holds the sash in any position and ensures smooth, effortless sliding.

3. Tilt-In Cleaning — the lower sash tilts inward, allowing both glass surfaces to be cleaned safely from inside.

4. Multi-Chamber UPVC Frames — natural thermal insulation; U-Factor as low as 1.0 W/(m²·K) with optional Low-E glazing.

5. Multi-Seal Weather Protection — EPDM gaskets and weatherstripping brush seals keep out wind, rain and dust.

6. Secure Sash Locks — sash locks with optional locking pins secure the window against intruders.

7. Low Maintenance — UPVC frames never rust, rot or require painting.

8. Full Customization — size, color, glazing and screen options fully customizable; OEM/ODM supported.

Specifications

Materials & Finish

• Frame profiles: multi-chamber UPVC extruded profiles, wall thickness 2.5–3.0mm, UV-stabilized, lead-free
• Reinforcement: galvanized steel inserts for structural rigidity
• Welding: four-corner heat welding; seams cleaned and finished
• Balance system: spiral balance matched to the lower sash weight
• Gaskets & weatherstripping: EPDM composite gaskets and wear-resistant brush seals
• Glass: automotive-grade float glass; tempered, laminated, Low-E, argon-filled IGUs optional
• Hardware: sash locks, tilt latches, friction guides

Assembly & Installation

Installation steps:

• Measure the opening — verify actual opening dimensions, level and plumb
• Install the frame — fix and level the frame within 2mm; ensure the frame is square
• Install the lower sash — insert the sash, connect the balance and adjust for smooth travel
• Waterproofing — fill gaps between frame and wall with foam, apply weather-resistant sealant with a drainage slope
• Final adjustment — check sash travel, tilt function, locks and seals, remove protective film and clean

Applications

• Residential homes & apartments — budget-friendly classic window (keywords: single hung window, vinyl single hung window)
• Renovation & window replacement — economical replacement for old wood or aluminum windows
• Rental properties & affordable housing — cost-effective windows at scale
• Bedrooms & living rooms — simple ventilation via the lower sash
• Schools & community buildings — practical, easy-to-operate windows
• Coastal & humid regions — rust-free UPVC frames
• Hotels & apartment buildings — consistent quality at scale
• Office buildings — low-maintenance, cost-effective windows

Customization

• Size: non-standard sizes produced from drawings; standard replacement sizes available
• Color: white, wood-grain foil, co-extruded color options
• Glazing: thickness, air space, Low-E, laminated, tempered, frosted
• Balance: spiral balance matched to the lower sash weight
• Options: fly screen, sash locks, security locking pins, tilt-in cleaning
• Hardware: handle and lock type
• OEM/ODM service: private label, logo printing, custom packaging, new products developed from customer drawings

Certifications

• Compliant with GB/T 28886 Building Plastic Windows national standard
• ISO 9001:2015 quality management system certified
• CE certified (EU market)
• NFRC energy performance certified (North America)
• Third-party test reports from SGS / TÜV available on request
• Factory QC: each batch ships with an inspection certificate

Packing & Logistics

• Inner packing: each window wrapped in EPE foam with protective film
• Outer packing: heavy-duty carton or wooden crate with reinforced corners for long sea freight
• Export crates: fumigation optional, compliant with ISPM 15
• Lead time: 15–25 days standard, 25–35 days custom (subject to order confirmation)
• Shipping: FCL / LCL by sea, air freight, international express
• Trade terms: FOB / CIF / EXW / DDP
• Loading port: 【Qingdao Port】

Product Video

• 360° product showcase (30s) — full window appearance and sash demonstration
• Sash & tilt-in demo (30s) — smooth sliding and tilt-in cleaning operation
• Installation walkthrough (60–90s) — frame fixing, sash installation and waterproofing
• Performance test footage — air, water and wind load tests
• Factory production line — profile extrusion, corner welding, assembly, QC
• Project case footage — installed windows and customer feedback

Reviews & Cases

Sample reviews:

• Great value windows — the lower sash slides smoothly and tilt-in cleaning is very convenient.
• Ordered 600 units for an affordable housing project. Consistent quality and the price was unbeatable.
• Replaced our old wood windows with these. No maintenance and the room stays warm in winter.

Case template:

• Project name: Lakeside Residential Vinyl Single Hung Window Project
• Location: Minneapolis, USA
• Scale: 1160 m² window area / 528 units
• Configuration: 74 series multi‑chamber Vinyl profile + 5+16A+5 Low‑E insulated glazing + durable coil balance hardware
• Customer feedback: Stable sash positioning and fine air tightness adapt well to cold and humid lakeside residential conditions.

Service

• Samples: free sample windows available before ordering
• Design support: free drawing review, balance selection and detailed design
• Quick response: inquiries replied within 24 hours; after-sales issues within 48 hours
• Warranty: 3 years on profile structure, 5 years on hardware (per company policy)
• Installation support: installation video and manual provided; on-site technical guidance available
• After-sales: long-term spare parts supply, lifetime parts service
• Quality commitment: every window inspected before shipment; no defective products leave the factory

FAQ

Q1: What is a single-hung window?

A: A single-hung window has a fixed upper sash and a lower sash that slides vertically for ventilation — a simpler, more economical version of the double-hung window.

Q2: What is the difference between single-hung and double-hung windows?

A: In a double-hung window both sashes slide; in a single-hung window only the lower sash moves. Single-hung windows cost less while providing the same classic look and adequate ventilation.

Q3: How is the window cleaned?

A: The lower sash tilts inward, allowing the glass to be cleaned from inside the room without a ladder or outside access.

Q4: What is the minimum order quantity (MOQ)?

A: custom MOQ depends on configuration — confirm with our sales team.

Q5: What is the production lead time?

A: Around 15–25 days for standard windows and 25–35 days for custom orders; partial shipments can be arranged for large orders.

Q6: What is the maximum window size?

A: Single-hung windows are generally produced up to about 1200mm wide × 1800mm high; larger areas can be divided into multiple units or use upgraded reinforcement.

Q7: Do you support OEM/ODM?

A: Yes. We offer private label, logo printing, custom packaging, and new product development from customer drawings.

Q8: What is the warranty? How is after-sales handled?

A: 3 years on profile structure and 5 years on hardware. Report issues with photos and we will provide a solution within 48 hours.

Q9: What glazing options are available?

A: Double glazing, triple glazing, Low-E, laminated, tempered, frosted and built-in blinds. We can recommend the right configuration for your local climate.

Q10: How do you guarantee quality?

A: We use qualified suppliers for profiles, glass and hardware, run QC throughout production, and inspect every window before shipment with a certificate of conformity. Test reports are available.

Q11: Can I get a sample?

A: Yes. Samples / sample windows are available free or at cost (freight paid by customer); the sample fee is deductible from the first order.