Choosing windows during a new build is easier before openings are fixed. Start with each room's needs-daylight, views, ventilation, privacy or noise control-then choose a style, frame and glass to match. No single type or material suits every room, and the schedule must coordinate with the house design, site and installer.
1. Start with the Floor Plan and the Site
Mark each window on the floor plan and elevations. Note views, daylight, sun exposure, privacy, nearby roads or equipment, and whether an open sash could hit furniture, a counter, path or curtain.
Also consider cleaning access, nearby planting and where curtains or blinds will sit. Plan ventilation with room layout; openings on different walls can help air move across a room, while a fixed window provides a view but no ventilation.
The Australian Government's YourHome guides connect glazing and
orientation with room planning. Use the actual sun path, shading and prevailing winds at your site to make these decisions.
2. Match the Window Style to Each Room
Operation affects ventilation and required clearance. Use the table as a planning aid, then check system drawings and hardware.
| Style | Possible fit | Room and clearance point |
|---|---|---|
| Casement | Side-hinged; may direct a breeze. | Allow for sash swing, screens and nearby paths or furniture. |
| Awning | Top-hinged; opens outward from the bottom, often higher on a wall. | Check operating area, handle access, screens and head clearance. |
| Sliding | Sash moves horizontally past another. | No swing clearance, but only part of the frame may open. |
| Fixed / picture | Daylight and a view without an operable sash. | Does not ventilate; pair with a suitable operable opening if needed. |
| Tilt-and-turn | May tilt for ventilation or turn inward for access. | Allow room-side clearance for the sash, furniture and curtains. |
Casement, awning, sliding and picture windows are also explained in Pella's homeowner selection guide.
In a bedroom, balance privacy and ventilation with outside noise and local emergency-egress requirements. A casement or tilt-and-turn window may suit the layout where its swing and hardware allow.
Over a kitchen counter or sink, check handle reach and sash clearance before selecting a casement or awning window.
In a bathroom, obscure glass and a higher awning window can combine privacy with ventilation.
In a living room, a fixed picture window can frame a view, paired with an operable window where ventilation is needed.
Confirm safety-glazing and egress requirements with the local designer or authority.
3. Compare Frame Materials for the Whole House
Frame materials affect appearance, care and heat flow; the full system and installation matter too.
uPVC / PVC-U: The frame conducts less heat than metal and can need little routine frame care. Profile chambers, reinforcement, dimensions and finish options vary by system. Check whether the chosen system suits the opening size and the house's appearance.
Aluminum: Its strength and formability can support slim sightlines and larger glazed areas. Aluminum conducts heat readily, so compare the thermal-break design and whole-window rating with the glass, seals and frame together.
Timber: It offers a natural appearance and useful thermal resistance. The finish and exposure affect upkeep, so ask what care the selected product needs over time.
The U.S. Department of Energy's window selection guide explains frame materials and how thermal breaks reduce heat flow through aluminum frames.
Coordinate frame appearance with the house and think about long-term care. Ask how each finish should be cleaned and maintained, and whether matching replacement hardware or parts can be supplied. For large openings, check profile, glass weight and hardware against dimensions; material alone does not define sash limits or whole-window performance.
4. Choose Glass for Light, Climate, Privacy and Noise
Choose glass alongside the frames: it affects daylight, solar heat, insulation, privacy, safety and weight. Double or triple glazing, Low-E coatings, laminated or obscure glass and cavity fills serve different needs. A Low-E coating can change heat transfer and solar gain; laminated glass is one option to discuss for safety or noise, while obscure glass can screen direct views. Each choice has trade-offs in light, appearance, weight and cost. More panes are not automatically better; match the proposal to the room, climate and complete window.
Two ratings help compare energy properties. Whole-window U-factor (often written Uw) describes heat transfer; lower means less heat passes through under the stated method. SHGC measures how much solar heat enters. The U.S.-based National Fenestration Rating Council explains these window ratings. Compare the same units and test method, and distinguish whole-window from glass-only values. Ask which ratings and documentation apply to your project location.
In a cold or heating-dominated climate, compare whole-window insulation ratings and consider how much winter sun the room should admit. In a hot, sunny location, check solar heat gain for exposed orientations and plan shading alongside the glass; stronger solar control can also change daylight and appearance.
Near traffic or persistent noise, discuss laminated or other acoustic glazing as part of a well-sealed window and wall junction. YourHome's noise-control guide explains why the complete assembly matters: glass, frames, seals, installation and ventilation openings all affect sound isolation.
For a closer look at glazing combinations, see SGL's window and door glass buying guide.
5. Budget for the Total Installed Scope
A product-only quote and an installed quote are not directly comparable. Ask suppliers to price the same schedule and itemize:
- frame, opening style, size and quantity;
- glass, coatings, privacy and safety options;
- finish, hardware and screens;
- packaging, freight and applicable import charges;
- delivery point, unloading, site access and installation;
- flashing, drainage, sealing, warranty, service and replacement parts.
Separate supply from installation when comparing offers. Confirm who measures, installs and handles the frame-to-wall junction. A quote should also identify exclusions, such as scaffolding, removal of construction debris, or any finishing work around the opening. Ask for changes and optional upgrades to be itemized so the final scope stays clear. If the budget is tight, prioritize the performance needed for the site, reliable hardware and proper installation before decorative upgrades. Standardizing suitable sizes and finishes may also simplify the order; ask suppliers to price the alternatives.
6. Compare Local Purchase with Importing from China
Source choice depends on the project location, order size and the services included. Compare the practical advantages and responsibilities of each route.
| Route | Potential advantages | Trade-offs to plan for |
|---|---|---|
| Buy locally | Easier site measurement and builder coordination; service visits and replacement parts may be simpler to arrange when offered. | Product range, prices, installation scope and after-sales coverage vary by supplier. Confirm what the quote includes. |
| Import from China | Direct drawing-based discussion with a manufacturer can broaden configuration choices and help coordinate finishes and specifications across an order. | Freight, customs, minimum order, remote measurement, destination handling, local installation and replacement-part support require planning. |
Neither route is automatically cheaper. Compare both on the same window schedule and total installed scope. For a small order, freight and handling can outweigh a lower factory price. For either route, agree on the window-to-wall interface and installation responsibilities before finalizing the order.
7. Measure, Coordinate and Request Comparable Quotes
A rough opening is the prepared wall opening; frame size is the outside dimension of the window unit. They are not interchangeable, so do not order from the rough opening alone. The builder, installer and supplier should agree who measures, which approved drawings control, and how flashing, drainage, sealing and support will be handled. Follow the chosen system's instructions and local practice rather than using a generic clearance dimension.
For comparable quotes, prepare floor plans or elevations, window schedule, dimensions, room use, preferred operation, frame and glass, finish, destination and installation scope. Add noise, privacy, ventilation or energy priorities. If dimensions are provisional, label them as such and ask who will confirm them before fabrication; do not let an early estimate stand in for the approved schedule.
For homeowners considering a factory-direct order, SGL's listed aluminum window systems provide a starting point for product discussions.
Send SGL your window schedule, drawings, glass preferences and destination to discuss configurations available to quote. Review the proposed dimensions and installation details with your designer and local installer before ordering.
FAQ
Q: Should every room have the same window style?
A: No. Match operation to ventilation, privacy, views and clearance; a fixed pane can sit beside an operable sash.
Q: Do triple-glazed windows always perform better than double glazing?
A: Not always. Compare whole-window ratings and glass weight with climate, orientation, frame and budget.
Q: What should I send for a new-home window quote?
A: Send plans, opening schedule, dimensions, quantity, style, glass, finish, location and installation scope.
A clear schedule turns window selection into a room-by-room plan. Agree on the approved configuration, final measurements and installation responsibilities before fabrication starts.
