04
🇫🇷Energy InsulationFrance · 2024

ISO HOME ENERGY

ISO Home Energy provides home insulation services across multiple regions in France, including wall insulation, attic insulation, and energy-efficient window installation. Their old static HTML website was impossible to update and had no local SEO presence.

Lighthouse: 96
Load Time: 1.3s
Local Visibility: +200%
Lead Growth: +50%
ReactViteTypeScriptTailwind CSSReact Router·4 weeksVisit Live Site
Live Website
ih-energy.fr
https://ih-energy.fr
ISO HOME ENERGY — Live Website Screenshot

The Challenge

ISO Home Energy operated with a hand-coded HTML website built years ago that could not be updated without a developer. The site had no content management capability, no mobile optimization, and zero local SEO structure. They serve multiple cities and regions across France but had no location-specific pages, meaning they were invisible in local search results. Before/after project photos, which are their strongest sales tool, were buried in a single cluttered gallery page with no organization.

Our Solution

We rebuilt the site with React, Vite, and TypeScript, creating a scalable architecture with location-based service pages for each region they serve. Each city page includes localized content, Google My Business integration, and structured data for local SEO. We designed an interactive before/after gallery with slider comparisons for each insulation type. The site includes educational content about energy savings, insulation materials, and government incentive programs. Every page is optimized for Core Web Vitals with lazy-loaded images and efficient code splitting.

Web DevelopmentLocal SEOContent Strategy

The Results

  • Lighthouse score of 96 with mobile-first responsive design
  • Local search visibility increased 200% across target regions
  • Before/after gallery drove 3x more time on site
  • Google My Business integration boosted local map pack appearances
  • Lead generation improved 50% through educational content funnels
96
Lighthouse
1.3s
Load Time
+200%
Local Visibility
+50%
Lead Growth
“The website educates our customers before they contact us, resulting in much more qualified leads and faster conversions. The before/after galleries are our best sales tool now.”
K. Yilmaz
Director, ISO Home Energy
PREVIOUSCONSULTING ENERGYNEXTARCHI CONSTRUCTION & VERANDA

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