Real energy savings
Double-pane, low-E glass keeps summer heat out and winter heat in, so your heating and cooling runs less.
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What we install
Energy-Efficient Replacement Windows
Quieter rooms, steadier temperatures and lower bills. Premium Simonton vinyl windows, measured, installed and warrantied by the same local Senga crew you already trust.
Free, no-obligation quotes. Live local team Mon–Fri, 8am–8pm.
Why Senga for windows
Premium Simonton vinyl windows, measured and installed by the same local crew you already trust, with a warranty that follows the house.
Double-pane, low-E glass keeps summer heat out and winter heat in, so your heating and cooling runs less.
Covers the windows for as long as you own the home and transfers to the next owner if you sell.
More glass, less frame. Brighter rooms and a cleaner, more modern look.
Grids, colors, tints and shapes to match your style, including historic and unusual openings.

Daylight Max series
Our Daylight Max line is engineered with a slimmer frame profile, so you get noticeably more visible glass than a standard replacement window, along with the insulation and noise reduction you expect from premium vinyl.

Your style
Tint, color, grids and shapes. Choose prairie, colonial or no grids at all, pick interior and exterior colors, and see the result on your own home with our visualizer before you commit.

Financing
Flexible $0 out-of-pocket financing lets you replace every window at once instead of a few a year, so you get the full comfort and energy benefit from day one.
How it works
From consultation to install, most projects wrap in 1 to 2 days once your windows arrive.
We inspect your existing windows and doors and note condition and style so the new ones fit the home.
Week 1Sit down with your consultant, decide what to keep and change, and preview it in our visualizer app.
Week 1A design that fits your home, timeline and budget, with pricing that is good for a year.
Within daysPrecise measurements, then your custom windows go into production.
Weeks 2 to 6Our local crew installs, seals and cleans up, usually in 1 to 2 days.
1 to 2 daysFrom Google
Senga Energy exceeded my expectations in every aspect. An outstanding operation centered on communication, professionalism and quality workmanship.
The installation was done efficiently and with great attention to detail.
Very knowledgeable and professional, and genuinely nice guys. My dogs all adored them too!
Good questions
Still wondering about something? Call us. A real person in El Dorado Hills picks up.
Ask us anythingYes, especially in California. Quality windows cut heating and cooling costs, reduce outside noise and increase your home's value and curb appeal. Most homeowners are surprised by how noticeable the difference is.
Absolutely. We install high-performance, double-pane, low-E windows engineered to keep your home cooler in summer and warmer in winter.
Virtually none. Vinyl and composite frames will not warp, rot or peel, and the glass is easy to clean from inside the home.
Most window projects are completed in 1 to 2 days, depending on the size of your home.
It covers the windows for the lifetime of the original homeowner and automatically transfers to the next owner if you ever move.
No problem. We offer custom-fit windows for all home types and can match your existing style or help you upgrade to something more modern.
Next step
A free in-home consultation, a design you can preview, and a quote that is good for a year. No sales pitch, no pressure.
Free, no-obligation quotes. Live local team Mon–Fri, 8am–8pm.

We live and work in the Gold Country. If you are within about 50 miles of El Dorado Hills, we can serve your home, and we probably already know a few of your neighbors.