Mr-Glass Window Installation Nationwide | Juniper Windows & Doors

Mr-Glass Window Installation: The Los Angeles Owner’s Guide

We stock and install Mr-Glass-compatible window replacement parts across Los Angeles, with most full window installations running between $680 and $1,450 per window depending on size, glass package, and frame condition. If you’re dealing with a failed seal, a cracked sash, or a window that no longer locks cleanly, we can usually get it handled within a week of your first call. Most owners discover the problem the hard way: a window that starts fogging between panes in June, a crank that spins without moving the sash, or a draft that shows up every time the Santa Anas kick through the canyons.

Call (682) 281-2168

We’re an independent window and door installer in the Relay Home Co. family, not a Mr-Glass dealer or affiliate. But we work on Mr-Glass products constantly, and we know which parts actually fail on them here in Los Angeles. If it belongs on the page, I’ll put it there: number, timeframe, or trade-off. If you’re not sure what you have, call (682) 281-2168 and describe what you’re seeing. We’ll tell you straight what it is, what it’ll cost, and whether you need a part or a full window.

Which Mr-Glass Models This Applies To

Mr-Glass has produced several window series over the years, and the parts are not all interchangeable. The most common lines we see in Los Angeles homes are the Mr-Glass 7000 Series (single-hung, aluminum frame) and the 8000 Series (horizontal slider). There’s also a less common picture-window line that gets used in mid-century and ranch-style houses around Studio City, Sherman Oaks, and the San Fernando Valley.

Here’s the compatibility gotcha: Mr-Glass changed its balance shoe design between the early 7000 Series production runs and the later ones. A balance shoe from a post-2016 window will not seat correctly in a pre-2016 frame, even if the visible dimensions match. If you’re shopping for parts on your own, take a photo of the metal channel inside the window jamb and measure the width of the shoe slot before you buy. Or call us and read off the etching on the glass corner – Mr-Glass stamps a date code and series number there. We can usually identify the exact part from that.

For glass packages, we match OEM Mr-Glass insulated glass units when available. For older windows where Mr-Glass has stopped producing the exact IGU, we source a quality aftermarket equivalent with the same U-factor and solar heat gain coefficient. In Los Angeles, we push most customers toward low-E glass with a SHGC of 0.25 or lower. It’s the single biggest improvement for west-facing windows in neighborhoods like Westchester or Playa del Rey, where afternoon heat load is brutal and air conditioning bills follow.

We also stock installation parts for other product lines we carry – PGT, CGI, and CWS – so if you have a mixed house, one call covers it.

Signs Your Mr-Glass Window Installation Is Failing

• Fog or condensation between the panes. The desiccant inside the insulated glass unit has saturated. Once that happens, the seal is dead. You’re not going to dry it out. The IGU gets replaced or the whole sash gets replaced, depending on the frame.
• The sash drags or sticks when you open it. This is almost always a worn balance shoe or a bent spiral balance in Mr-Glass single-hungs. In coastal areas like Santa Monica or Venice, salt air accelerates corrosion on the metal parts, and we see failures a few years earlier than inland.
• The window won’t stay up without a prop. That’s a failed balance system, plain and simple. A window that slams shut is a finger injury waiting to happen. If you’re holding it open with a piece of wood, fix it now.
• You can feel air moving around the frame on windy days. Worn weatherstripping, a dried-out glazing bead, or a frame that’s shifted out of square. In Los Angeles, the annual Santa Ana cycle flexes aluminum frames enough that weatherstripping from a 10-year-old window is often fully compressed.
• The lock no longer lines up with the keeper. The sash has dropped or the hinge side has worn. On Mr-Glass sliders, the rollers flatten over time, and the whole panel sags. This is both a weather seal problem and, candidly, a security problem – a window that won’t lock is an invitation on ground-floor units.

Replacement Cost & What’s Included

For Mr-Glass windows in Los Angeles, here’s what we charge, installed:

• Balance shoe or spiral balance replacement: $95 to $185 per window, parts and labor.
• Weatherstripping replacement (full perimeter): $120 to $240 per window.
• Insulated glass unit replacement (low-E, dual pane): $260 to $540 per sash, depending on glass size and Low-E coating.
• Full window replacement (Mr-Glass-compatible or equivalent product line): $680 to $1,450 per window installed, including haul-away of the old unit.

Every price includes the part, labor, removal of the old component, and cleanup. You get a written line-item quote before any work starts – that’s the Juniper standard, and it doesn’t change at the door. The work is covered by our 365-Day Done Right Promise: if something’s not right, parts and labor, for a full year, in writing. We also answer the phone 24/7. A real person picks up. No callback queue.

Call (682) 281-2168 and we’ll give you a ballpark over the phone and a written quote on-site.

DIY or Call Us?

You can safely check a few things yourself. Look at the glass corner etching to find the date code. Take a photo of the balance shoe or the roller assembly. Measure the visible glass width and height. That information alone lets us give you a tighter phone estimate.

What we don’t recommend: removing a Mr-Glass sash with a failed balance and trying to swap the hardware yourself. Spiral balances hold tension even when the window is closed. If you release that tension the wrong way, the balance can kick back hard enough to send metal parts flying. It’s not a scare tactic – it’s the reality of high-tension window hardware. Glass replacement has its own hazards: a 30-pound IGU is awkward to lift overhead, and if it drops, you’re looking at broken glass and a possible trip to urgent care. We’ve fixed enough DIY attempts to know where they go sideways. If you’re unsure, call (682) 281-2168. We’ll come out, confirm what’s needed, and hand you a written price before anything comes apart.

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