Hung windows
Single- and double-hung windows offer familiar operation and work well with many traditional home styles.
Window Replacement in Portland
Compare Alside vinyl replacement windows for your home, from operating style and glass options to the installation details around each opening.
Oregon CCB #96457
Lead-Safe RenovationIs It Time to Replace Your Windows?
Drafts, difficult operation, condensation between panes and deteriorated frames are common reasons to consider replacement. Water staining around an opening is also worth discussing during the estimate.
- Noticeable drafts or rooms that feel uncomfortable near exterior walls
- Windows that stick, bind, or no longer lock correctly
- Condensation or moisture between panes
- Staining, softness, or water concerns around an opening
- Weathered frames, sashes, or exterior trim
Vinyl Window Options
Quality vinyl replacement windows
Alside vinyl replacement windows offer low-maintenance frames, several operating styles, and a choice of colors and glass packages.
We’ll help you compare the ratings, glass options, sizes and installation needs for your home.
- Low-maintenance frame material
- Practical style and color choices
- Configuration-specific glass options
- Ratings for the selected window
Manufacturer warranty information for the selected product will be reviewed as part of the final product selection.
Energy Performance
Window Energy Ratings
ENERGY STAR identifies windows that meet climate-specific efficiency requirements. NFRC ratings show how a specific window configuration performs in four key areas, making it easier to compare the window itself, not just the frame material.
- U-factor
- Measures insulation performance. Lower is better.
- SHGC
- Measures how much solar heat enters through the window. The right rating depends on climate, orientation, and shading.
- Air leakage
- Measures air passing through the window assembly. Lower is better.
- Condensation resistance
- Indicates resistance to interior surface condensation. Higher is better.
Low-E coatings help manage radiant heat transfer, while insulated glass uses two or more panes separated by a sealed space. Coatings, pane count, gas fill, spacers, and frame construction vary by product.
Product Resources: ENERGY STAR residential windows · NFRC ratings
Installation That Fits the Opening
We measure each opening, install the replacement window, and finish the air sealing, flashing and trim. We check that each window opens, closes and locks properly.
Window Styles
Window Styles
We’ll help you choose styles, sizes and layouts to suit each room. Available options depend on the window product and opening.
Casement and awning
Crank-operated windows provide flexible ventilation and work well across a range of openings.
Sliding windows
Sliding windows open horizontally and work well where an outward-swinging sash would be impractical.
Picture and specialty
Fixed and shaped windows bring in natural light, emphasize views, and complement distinctive architectural features.
The Lioncrest Difference
30+ years in business. Serving Portland-area homeowners since 1993.- Foreman-led installation. A foreman oversees your installation.
- Photo-documented work. Before-and-after photos show the work.
- Fit and finish. We check window operation, air sealing and trim after installation.
Get an Estimate
Request a window estimate
Tell us about the home, approximate window count, and the timing you have in mind.
Prefer to talk?
503-660-8761
Oregon CCB #96457
Lioncrest focuses on replacement projects involving two or more windows. Oversized or specialty single openings may be considered individually.
Window Replacement Questions
What does condensation between the panes mean?
Moisture between the panes is different from condensation on the room-side glass. It can indicate a problem with the sealed glass unit. Mention where the moisture appears when discussing replacement.
How do I compare energy performance?
Compare the ratings for the specific window configuration. U-factor describes heat transfer, and solar heat gain coefficient describes how much solar heat enters. ENERGY STAR criteria also vary by climate zone.
Can I choose different window styles for different rooms?
Yes. We review the style, size and layout of the openings with you and compare the available products.
What affects the replacement price?
Window count, size, operating style, glass, finish and the condition of the openings affect the scope. Removal, flashing and trim details also matter.
How many windows does Lioncrest replace?
Lioncrest focuses on replacement projects involving two or more windows. Oversized or specialty single openings may be considered individually.
Does Lioncrest repair glass or replace individual panes?
No. This service is for complete replacement windows, not glass-only repair or individual-pane replacement.
Request a Window Replacement Estimate
Tell us about the home, the approximate number of windows and the styles or problems you want to discuss.