Plan on six to ten weeks from first call to finished. The estimate is within days, the quote within a day or two of that, manufacturing runs three to six weeks, and installation is one to four days. Manufacturing lead time is the long pole.
The most common scheduling mistake is calling in October wanting the work done before Thanksgiving. Manufacturing is the constraint and it is not compressible.
Here is the realistic timeline and where it slips.
Stage by stage
| Stage | Typical duration | What controls it |
|---|---|---|
| First call to estimate | 2 days to 2 weeks | Season and how far you are from the office |
| Estimate visit | About 1 hour | House size and number of openings |
| Estimate to written quote | 1 to 3 days | Complexity, custom items |
| Decision and deposit | Your timeline | Usually where the most time goes |
| Order to manufacture | 3 to 6 weeks | Season, product line, custom sizes |
| Custom and specialty items | 6 to 10 weeks | Arched heads, decorative glass, wood clad |
| Delivery to install date | 3 days to 2 weeks | Crew scheduling |
| Installation | 1 to 4 days | Opening count, insert versus full frame |
| Total, realistic | 6 to 10 weeks |
Where delays actually come from
- Season. Ordering in April to June puts you in the longest manufacturing queue of the year. January orders run shortest.
- Custom shapes. Arched heads, angled units and anything non-rectangular adds weeks and cannot be expedited.
- Specialty glass. Tempered, laminated and decorative glass all carry additional processing time.
- Historic review. If your property is designated, approval must come before ordering, and review bodies typically meet monthly.
- Permits, on any new or enlarged opening or any egress window.
- A single wrong measurement, which means one unit is remade while the rest sit.
- Weather, for exterior work in extreme cold or sustained rain.
- Rot discovered on install day, which is not a delay so much as an extension of the install.
How to compress it
Order in the off season. A January or February order typically runs three to four weeks rather than five to six. Keep the product standard: sticking to a manufacturer's common line and avoiding custom shapes, decorative glass and unusual colours can cut weeks. Get the historic review or permit process started before you have chosen a product, not after, since that process runs in parallel with everything else. Make the decision promptly once you have the quote, because the gap between receiving a quote and placing an order is usually the longest single stage and it is entirely within your control. And if a deadline genuinely matters, say so at the estimate, because there are sometimes product choices that hit a date when others cannot.
What not to compress
Two things should not be rushed. The measure, because a measurement error on a custom unit is unrecoverable and remaking one window while the rest of the job waits costs more time than a careful measure ever saves. And the sealant and foam curing, which is temperature dependent. Installing in conditions where the exterior sealant will not cure produces a joint that fails within a few years, and no schedule pressure is worth that. A contractor who reschedules a day for extreme cold is protecting your installation, not being difficult.
Ranges reflect typical Capital Region projects and are for planning only. Every Sundog quote is written, itemized, and free.
Frequently asked questions
How long does it take to get replacement windows?
Six to ten weeks from first call to finished, in most cases. Manufacturing is the long pole at three to six weeks for standard units and six to ten for custom shapes or specialty glass. The estimate and installation stages are quick by comparison.
Why does it take so long to manufacture windows?
Because nearly every replacement window is built to the specific measurements of your opening rather than pulled from stock. Glass is cut, coated, assembled into an insulated unit, allowed to cure, and then glazed into a frame built to size. Tempered and laminated glass add processing steps that cannot be skipped.
Can I get windows faster if I need them urgently?
Sometimes, by choosing a standard product line, avoiding custom shapes and specialty glass, and ordering in the off season. Tell the contractor at the estimate if a date genuinely matters, because product choices that hit a deadline sometimes exist when others do not. Broken glass is handled separately and immediately with a board-up.
When should I start if I want windows done before winter?
August or early September for an October or November installation, allowing for a three to six week manufacturing lead time plus scheduling. Calling in October for pre-Thanksgiving work means competing with everyone who had the same thought. July is not too early.
What is the longest part of the process?
Usually the gap between receiving the quote and placing the order, which is entirely within your control. Manufacturing is the longest fixed stage at three to six weeks. If you are working to a deadline, the single most effective thing you can do is decide promptly once you have the numbers.
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