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22 May 2026·9 min read·Richard Bajnath

Why your fenestration business needs a quote configurator in 2026

Configurators are no longer optional for fenestration businesses. Customers expect online prices, sales reps need on-site speed, and margins are too thin for manual mistakes.

Three years ago a quote configurator was a "nice to have" for fenestration businesses. In 2026 it's a competitive baseline. Customers expect online pricing. Sales reps need on-site speed. Margins are too thin for manual VAT mistakes. Below: why this shift happened, and what to look for in a configurator.

The three forces behind the shift

1. Customers expect online pricing

Younger homeowners (and increasingly older ones) compare 3-5 installers per renovation. They want a price indication before they invest 60 minutes in an on-site visit. Businesses without an online quote tool lose to those with one — even if the on-site installer is better.

2. Sales reps need on-site speed

The customer who measures and gets a same-visit price quote signs 30-40% more often than the customer who waits 3 days for an Excel-emailed PDF. Configurators on mobile give reps the ability to quote on-site.

3. Margins are too thin for manual mistakes

VAT reverse-charge errors, forgotten surcharges and pricing miscalculations eat 1-3% of margin on average. For an installer with €1M revenue and 8% margin, that's €10-30k/year of pure profit lost to spreadsheet mistakes.

What separates a good configurator from a bad one

Not all configurators are created equal. Look for:

  • Niche-specific configuration — does it know about 9 frame types, 4 materials, glass categories, hardware classes? Generic configurators ("furniture", "construction") miss key attributes.
  • Live pricing — visible price updates as you configure. Not "request a quote" forms.
  • VAT logic built-in — EU reverse-charge, country- specific renovation rates, B2B vs B2C handling. Manual VAT = eventually wrong VAT.
  • Mobile-first — your sales rep configures on-site with their phone, not later at the office.
  • Embeddable on your website — customers should configure on YOUR domain, not be redirected to a vendor's platform.
  • Connects to e-signature + payment — configurator is step 1 of 3. If it doesn't flow into signing and paying, you still have 70% of the manual work.

What a configurator does NOT solve

Don't expect a configurator to fix:

  • Bad on-site customer service (still the #1 churn driver)
  • Pricing your products wrong (configurator just executes; you define the prices)
  • Lack of marketing or lead generation (a configurator helps convert leads, not generate them)
  • Field operations (dispatching, scheduling, time-tracking — that's separate tooling)

Build vs buy

Some installers ask "can we build our own configurator?" The honest answer:

  • Year 1 build cost: €25-60k development + €10-15k/year maintenance
  • Year 1 buy cost: €300-2400 SaaS licenses
  • Time-to-live: 6-12 months build vs 1 day buy

Build makes sense only if you have unique features no SaaS covers (extremely rare in fenestration). For 99% of installers, buy is the right answer.

What we built

Kozynofferte's configurator covers all six criteria above. 9 frame types, all materials, EU VAT correct, mobile-first, embeddable, and flows into e-signature + iDEAL/SEPA payment.{" "} Read more or{" "} try free for 14 days.


Richard Bajnath, founder of Kozynofferte. Want to compare against what you have today? Email me with a screenshot of your current tool — I'll give honest feedback.

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