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On the basic metrics alone, the score was 70.2 and the rank 2. The score is now 46.1 and rank 3 (▼ 1 place). The difference comes from buying motives: they measure what the buyer asks before deciding.
Lumon on Suomen ja maailman johtava parvekelasittaja, jonka sivusto kuvaa ostoprosessin selkeästi ja esittää vahvat asiakasreferenssit. Tarkkaa hintaa ei anneta ennen suunnittelukäyntiä, ja Y-tunnus puuttuu näkyvistä.
Buying motives checked 15.10.2026 and basic metrics measured 25.8.2026 from public sources. The same formula for everyone, read the full methodology.
| Price is shown before the quote | 20 p × 0.0 % | 0.0 |
| Product warranty | 14 p × 0.0 % | 0.0 |
| Interest-free payment period | 10 p × 50.0 % | 5.0 |
| Free planning visit | 6 p × 100.0 % | 6.0 |
| Basic metrics | 50 % × 70,2 | 35.1 |
| Metric | Measured value | Source | Points |
|---|---|---|---|
| Price is shown before the quote | The price is not stated, exact estimate after a planning visit | lumon.com checked 15.10.2026 | 0.0 / 20 |
| Product warranty | The length of the warranty is not stated on the company's warranty page or in the FAQ. The page only mentions an extensive warranty; the terms are a downloadable file. | lumon.com, balcony glazing price checked 15.10.2026 | 0.0 / 14 |
| Interest-free payment period NOTEThe financing page says Santander offers 12 months of interest-free payment time. Points are based on the more cautious figure. | First 6 months without financing interest | lumon.com checked 15.10.2026 | 5.0 / 10 |
| Free planning visit | Free planning visit | lumon.com checked 15.10.2026 | 6.0 / 6 |
If information is missing, the row gets 0 points and the reason is shown. Points rise when the company publishes the information.
| Digital quality | 30 % × 74,1 | 22.2 |
| Transparency | 30 % × 60,0 | 18.0 |
| Reachability | 20 % × 82,5 | 16.5 |
| AI quality score | 20 % × 67,2 | 13.4 |
| Metric | Measured value | Source | Points |
|---|---|---|---|
| Performance (mobile) | 47/100 | Technical measurement | 18.8 / 40 |
| Accessibility | 100/100 | Technical measurement | 30.0 / 30 |
| Findability (SEO) | 92/100 | Technical measurement | 13.8 / 15 |
| Technical practices | 77/100 | Technical measurement | 11.6 / 15 |
| Metric | Measured value | Source | Points |
|---|---|---|---|
| Price estimate, price calculator or price list publicly displayed OBSERVATIONOma sivu 'Parvekelasituksen hinta - mistä hinta muodostuu' selittää hintaan vaikuttavat tekijät mutta ei anna euromäärää eikä laskuria: 'parvekelasituksen tarkkaa hintaa on mahdotonta sanoa' ilman mittaustietoja. | Partly | Website + AI extraction | 12.5 / 25 |
| Installation and delivery process described OBSERVATIONHankintasivu kuvaa neljä vaihetta: varaa ilmainen suunnittelukäynti, suunnittelija ottaa mitat ja tekee 3D-piirroksen, tarjous, ja asennus pääosin yhdessä päivässä. | Yes | Website + AI extraction | 20.0 / 20 |
| Warranties and their terms stated OBSERVATIONNavigaatiossa on oma Takuu-linkki, mutta takuun pituus tai ehdot eivät näy luetuilla hinta- ja hankintasivuilla. | Partly | Website + AI extraction | 10.0 / 20 |
| Glazing systems and technical specifications described OBSERVATIONLuetuilla sivuilla mainitaan lasituksen hyödyt yleisesti, mutta kehyksellistä tai kehyksetöntä ratkaisua, liuku- tai taittomekanismia tai lasipaksuuksia ei eritellä. | Partly | Website + AI extraction | 7.5 / 15 |
| Business ID (Y-tunnus) shown OBSERVATIONY-tunnusta ei näy etusivulla, hinta-, hankinta- eikä yhteystietosivulla (yhtiö on PRH:n mukaan Lumon Suomi Oy 1905514-0). | No | Website + AI extraction | 0.0 / 10 |
| References or independent review displayed OBSERVATIONHankintasivulla mainitaan NPS 77 vuonna 2024 ja yli 5000 yksityisasiakasta; navigaatiossa Asiakkaiden kokemuksia ja galleria. | Yes | Website + AI extraction | 10.0 / 10 |
| Metric | Measured value | Source | Points |
|---|---|---|---|
| Phone number shown | Yes | Website + AI extraction | 30.0 / 30 |
| Email shown | Yes | Website + AI extraction | 15.0 / 15 |
| Chat support | Yes | Website + AI extraction | 15.0 / 15 |
| Opening hours shown | Partly | Website + AI extraction | 7.5 / 15 |
| FAQ section | Yes | Website + AI extraction | 15.0 / 15 |
| Mobile app | No | Website + AI extraction | 0.0 / 10 |
| Metric | Measured value | Source | Points |
|---|---|---|---|
| Clarity of information | 82/100 | AI analysis | 27.9 / 34 |
| Findability of pricing | 35/100 | AI analysis | 11.6 / 33 |
| Content coverage | 84/100 | AI analysis | 27.7 / 33 |
Oletko Lumon-palvelun asiakas? Kerro kokemuksesi. Does not affect the Suomen Paras Score, the score is based on measurable data only.
The free pre-analysis shows every item where points are lost and how much fixing it raises the score and rank. The paid analysis shows what the items are and how to fix them.
With website and information fixes you gain at most +47.9 points: 46.1 → 94.0, rank 3 → 1.
See the free pre-analysis The analysis does not change the score. Only improving the metrics does.The partner badge is a free mark of cooperation with the Suomen Paras comparison. It does not claim a ranking; any partner of ours can add it: companies included in the comparison, our customers and our cooperation partners, and it works as a link to this public profile.
