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ECO Window Systems Construction in San Jose, CA | Mason Remodeling
We’re Mason Remodeling, and we provide independent ECO Window Systems service across San Jose, CA. The thing that makes our work different here comes down to one detail: we’ve spent years repairing these specific windows and doors in this specific climate, so we know which failures are real and which ones are just a salesman trying to sell you a full replacement. Call (803) 680-2547 and you’ll talk to a person who knows ECO Window Systems, knows San Jose, and will tell you the truth about both.
As an independent General Contractor - San Jose, we are not manufacturer-affiliated or authorized. That matters more than you’d think. We don’t answer to sales quotas, which means when a fogged dual-pane unit can be fixed with new glass instead of a whole new window, that’s what we recommend. Our ECO Window Systems expertise covers vinyl single-hungs, aluminum sliders, and dual-pane fixed and awning units throughout San Jose, from Willow Glen to Evergreen. We know these products down to the roller assemblies and weep-hole covers, and we know how San Jose’s dry summers and wet winters punish them. Call (803) 680-2547 for a straight answer.
Why San Jose Residents Choose Us for ECO Window Systems Service

Most window contractors in San Jose will happily sell you new windows. We’ll do that too, when it’s the right call. But our first instinct is to figure out what’s actually wrong. ECO Window Systems products are generally well-built, and a lot of the failures we see are repairable: a broken balance, a corroded roller, a failed seal on an otherwise healthy frame. We’ve sourced OEM ECO Window Systems replacement glass, balances, and rollers for years, so we know what’s available and what’s worth waiting for. When an OEM part isn’t the best option, we match it with high-grade aftermarket seals and weatherstripping that hold up better in San Jose’s UV-heavy summers.
Isaac Pruett, our owner, grew up around this kind of work. His dad was a finish carpenter, and Isaac spent his weekends as a kid watching what happens when the last guy cut corners. He’s been remodeling homes for nearly two decades now, and he still checks the trim work before he considers any job done. That same eye applies to window service. If a frame is square and the glass is the problem, we repair. If the frame is warped or the sill pan is rotted, we’ll tell you straight and quote a like-for-like replacement. We serve all of San Jose, including the older stucco neighborhoods where ECO Window Systems units are most common.
Styles & brands we work with







Common ECO Window Systems Construction Problems We Solve in San Jose
Here’s what we see most often when we get called out to San Jose homes with ECO Window Systems products that aren’t performing anymore:
- Fogged dual-pane glass. San Jose gets somewhere around 300 days of sun a year, and that UV exposure plus the temperature swing from cool nights to hot afternoons is hard on window seals. ECO dual-pane units that are 10 to 15 years old often lose their seal, letting moisture in between the panes. We replace the insulated glass unit while keeping the existing frame when it’s still sound.
- Warped or binding vinyl sashes. West-facing windows in neighborhoods like Berryessa take direct afternoon heat that regularly pushes past 100°F in summer. Vinyl frames expand under that kind of load, and over time the sash can warp enough to bind against the frame. Sometimes it’s a hardware adjustment. Sometimes the frame has to go. We’ll tell you which one it is before any work starts.
- Sliding door leaks at the sill pan. When the first atmospheric river of the fall hits San Jose, water finds every weak point in a stucco home’s exterior. ECO sliding doors on older stucco houses are prone to sill pan and weep hole failures. Water pools, seeps in, and suddenly the carpet near the door is damp. We fix the sill, clear and upgrade the weep covers, and get the door draining like it should.
- Corroded rollers and broken balances. San Jose’s dry, dusty conditions are rough on moving hardware. Single-hung ECO windows that have been opened and closed for years in that environment develop roller corrosion and balance failures. The window gets heavy, sticks, or won’t stay open. New balances and rollers bring it back to like-new operation for a fraction of replacement cost.
- Failed locks and latches. Security hardware gets ignored until it fails. Old ECO single-hungs often have locks that have worn out or seized up from years of dust and grit. We replace them with new hardware that actually latches, which matters in a city where an unlocked window is a real security risk.
ECO Window Systems Service in San Jose: What Local Conditions Mean for Your Equipment
Here’s something most window contractors won’t tell you because it makes their job harder: San Jose’s Title 24 energy code and the city’s Green Building requirements mean you can’t just drop any ECO Window Systems unit into your home. San Jose Bathroom Remodeling aside, replacement windows in San Jose have to meet specific U-factor and SHGC (solar heat gain coefficient) limits. That means a generic off-the-shelf window that works fine in another city might not pass inspection here. For ECO Window Systems owners, this often forces a specific glass package, like low-E coatings or argon-filled dual-pane units, rather than whatever the warehouse has in stock. We’ve worked through this in neighborhoods like Evergreen and Almaden Valley, where older homes are getting retrofitted under the current code. If you’re replacing windows, you need someone who knows the requirements before the window order goes in, not someone who discovers the problem when the inspector shows up. That’s the difference between a one-day job and a three-week reorder.
ECO Window Systems Models & Products We Service in San Jose
We work on the ECO Window Systems product lines most common in San Jose housing. The vinyl single-hung series shows up all over mid-century Willow Glen and Cambrian homes. The aluminum sliding glass doors are frequent in 1970s and 1980s Almaden Valley builds. Dual-pane fixed and awning units are often paired with stucco exteriors in Evergreen. We keep common parts and hardware on hand for fast San Jose turnaround, and when an OEM component isn’t available locally, we know which aftermarket suppliers make seals, rollers, and balances that hold up. Every job starts with a look at what’s actually installed, not what a catalog says should be there.
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AfterECO Window Systems Service Pricing in San Jose

Window work in San Jose runs on a wide range because some jobs are a one-hour hardware swap while others are a full frame tear-out on a stucco wall. Here’s what you’re looking at:
| Service | Typical Price Range |
|---|---|
| Window Replacement | $5,310 – $17,700 |
| Impact Window Installation | $9,440 – $29,500 |
| Roof Repair (storm or water intrusion related) | $470 – $2,125 |
What drives the cost is the frame condition, the glass package your San Jose home needs under Title 24, and whether we’re repairing or replacing. A free estimate means we show up, look at what you have, and put a written number in front of you before any work begins. Call (803) 680-2547 and we’ll schedule it.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – ECO Window Systems Construction in San Jose
In most cases, if the frame is still square and the sashes aren’t warped, we can replace just the insulated glass unit and keep your existing ECO frame. That typically costs a lot less than a full window replacement. We were called to a 1960s ranch in the Cambrian area where three ECO dual-pane sliders had lost their seals and fogged between the glass. The frames were still plumb, so we swapped in OEM insulated glass units, upgraded the rollers and weep-hole covers, and the homeowner avoided a full-frame tear-out. Those sliders glide and stay clear through the wet season now. Call (803) 680-2547 if you’ve got fogged glass and we’ll tell you if the frame is worth saving.
Correct. San Jose’s Title 24 energy code sets specific U-factor and SHGC limits for replacement windows, and the city’s Green Building requirements add another layer. Some ECO Window Systems models and glass packages meet those limits, and some don’t. You need a contractor who checks the numbers before ordering, not one who finds out at inspection. We pull the specs, match the right glass package to your home, and pull permits when the job calls for it. Call (803) 680-2547 and we’ll walk you through what your specific San Jose home needs.
Usually it’s the window, specifically the sill pan and weep holes. When San Jose gets hit by a strong atmospheric river in the fall, water runs down the stucco and the door’s drainage system has to keep up. If the weep holes are clogged or the sill pan has failed, water backs up and seeps inside. We check the sill, clear the weep covers, and reseal the pan. But we also look at the roofline above the door, because sometimes a leaking door is actually a gutter or flashing issue higher up. We’ll tell you which one it is. Call (803) 680-2547 before the next storm.
Most single or double window replacements on a stucco home take one day, assuming the openings are standard and the stucco around them is in good shape. If we’re replacing multiple windows or doing impact units, it often runs two to three days. Stucco work adds cutting, patching, and texture matching time, so it’s never as fast as a siding house. We’ll give you a written schedule with the estimate. Call (803) 680-2547 and we’ll give you a realistic timeline for your specific home.
Yes. Every job we do includes a written guarantee with clearly stated terms, including what’s covered, what’s excluded, and for how long. Our 365-Day Done Right Promise applies: if the work is not right within a year of completion, we make it right at no cost to you. We also back it with a free return visit if a repair or installation fails. That’s the Threshold Standard, and it’s not a promotion. Call (803) 680-2547 and we’ll walk you through the coverage before you commit.
Service Areas Near San Jose
Our San Jose service area covers the city proper, including Willow Glen, Cambrian, Evergreen, Berryessa, and Almaden Valley. We also serve nearby communities, and if you’re outside San Jose, visit our San Jose service area page to see coverage. For ECO Window Systems work up the Peninsula, see ECO Window Systems service in San Francisco. For Central Valley homes, check out ECO Window Systems service in Fresno. You can also learn more about our general approach on the ECO Window Systems sales & service page.
Book Your ECO Window Systems Service in San Jose Today
Know who’s coming, know what it costs, know it’s backed up – everything else is just noise. Call (803) 680-2547 to schedule your free estimate for ECO Window Systems service in San Jose. A live person answers, and we’ll have a written price in your hands before any work starts.
Written by Isaac Pruett, Owner at Mason Remodeling, serving San Jose since 2004.











