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IKO Windows & Doors: The Pomona Owner’s Guide
We stock and install IKO-compatible windows and doors across Pomona, with most replacement projects in the $4,500-$15,000 range depending on unit count and frame condition. Single-part replacements like sash balances, weatherstripping, or locking hardware typically run $180-$680 installed, and we carry common IKO hardware profiles on our trucks for same-day completion. Most Pomona homeowners discover an IKO window or door part has failed when a unit won’t stay open, won’t lock flush, or they feel a draft along the sill despite the latch appearing closed.
Which IKO Models This Applies To
IKO’s window and door catalog spans several series, and the part you need depends on the generation of your unit. Pre-2015 IKO vinyl windows often used a proprietary tilt-latch profile with a 2-3/8 inch hole spacing that aftermarket suppliers have since standardized, but the latch depth varies by series. The IKO ProSeries 500 and 700 lines, common in Pomona tract builds from 2008-2016, use a 5/8 inch thick sash wall that accepts only certain replacement balances. Newer IKO Aura and Aura Elite units switched to a constant-force coil balance system with a different bracket footprint.
To identify your part, open the sash and photograph the label in the head jamb or along the hinge side of the frame. The label carries the NFRC code and IKO’s internal series designation. If the label is gone, measure the visible glass width and height to the nearest 1/8 inch, and note whether the frame is vinyl, fiberglass, or aluminum-clad. We match against IKO’s parts matrix and stock quality aftermarket equivalents where OEM lead times stretch past two weeks. Rowan Construction Group Pomona is an independent service provider, not affiliated with IKO.
Signs Your IKO Windows & Doors Is Failing

- Sash drops or won’t stay open. The balance system, whether coil or block-and-tackle, has lost tension. In Pomona’s dry heat, lubricants in the balance housing degrade faster than in coastal climates, and we’ve replaced balances in IKO units as young as eight years old.
- Visible gap at the lock side when latched. The sash has sagged on its hinges, or the keep (the receiving half of the lock) has pulled away from the frame. This is common in south-facing IKO units where daily thermal expansion works the fasteners loose.
- Condensation between glass panes. The insulated glass unit (IGU) seal has failed. Once the desiccant saturates, the fogging becomes permanent. IKO’s standard IGU warranty was 20 years on most series, but labor to swap the glass is not included.
- Difficulty latching or unlocking. The multipoint lock mechanism has corroded or the handle spindle has worn flat. Pomona’s Santa Ana wind events drive fine dust into the mechanism, accelerating wear.
- Draft at the sill or meeting rail. Compression weatherstripping has flattened or the pile seal has detached from its kerf. IKO used two different kerf widths across series, and matching the wrong profile leaves a leak path.
Before
AfterReplacement Cost & What’s Included
| Service | Price Range in Pomona |
|---|---|
| Balance replacement (per sash) | $180-$340 |
| Lock/keep set replacement | $140-$280 |
| IGU (glass-only) replacement | $280-$580 |
| Weatherstripping replacement (per unit) | $120-$240 |
| Full sash replacement | $450-$890 |
| Complete window replacement | $4500-$15000 |
These ranges include parts, labor, and disposal. What drives the spread: unit accessibility (second-story requires scaffolding), frame condition (rotted subsills add carpentry), and whether the original part is still manufactured. Under Clause 1 of the Haven Standard, we deliver a written price before any work starts. The quote is flat, with a written scope and a written warranty. No change proceeds without a signed change order. Every visit includes a documented photo record of the condition we found and the work performed.
DIY or Call Us?

An owner can safely inspect the label, photograph the failing part, and check for obvious obstructions in the track. What goes wrong fast: removing a sash without supporting the balance system can send spring-loaded hardware into the wall cavity, and adjusting multipoint lock alignment without a shim kit often strips the screw bosses. IGU replacement requires a cleanroom environment; dust between panes is permanent. We’re background-checked and uniformed, and a live person answers calls 24/7. Call (626) 606-1081 to schedule your free estimate. Measure twice, then we can talk.
FAQs
Quality vinyl IKO units typically deliver 20-25 years of service in Pomona’s inland climate, though hardware components often need attention at 8-12 years due to thermal cycling and dust exposure. Call (626) 606-1081 for an exact quote on any failing component - estimates are free.
Hardware like balances and locks is designed as a replaceable module; repair attempts usually cost more in labor than a new part and carry no warranty. IGU seal failure cannot be repaired - the glass unit must be replaced. Call (626) 606-1081 for an exact quote - estimates are free.
Single-component replacements like a balance or lock set take 45-90 minutes per unit on-site. IGU replacement requires a remeasure and typically a return visit with the custom glass, usually 7-10 business days. Call (626) 606-1081 to schedule your free estimate.
We carry common IKO-compatible balances, locks, keeps, and weatherstripping profiles based on failure frequency in Pomona. Specialty IGU glass or discontinued series hardware is ordered with tracking provided. Call (626) 606-1081 to confirm availability for your specific model - estimates are free.
Written by Grant Rowan, Owner, Rowan Construction Group Pomona at Rowan Construction Group Pomona, serving Pomona and nearby areas.







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