IGLO Energy 7 chambers — quick overview
IGLO Energy 7 is a PVC profile system with seven internal chambers designed to improve thermal insulation and reduce noise. This article compiles real user reviews, technical highlights, installation tips and practical advice for choosing and living with IGLO Energy 7 windows.
Technical highlights
- Chamber count: 7 chambers in the sash/profile, which increases thermal resistance compared to 3–5 chamber systems.
- Profile depth: typically 70–80 mm depending on the variant.
- Seals: double or triple gasket options provide better air tightness.
- Glazing: usually fitted with double- or triple-glazed energy-efficient units, sometimes argon-filled.
- Reinforcement: steel reinforcement is required for stability of frames and sashes.
The main benefit of a 7-chamber system is improved energy performance, but results depend heavily on the glass unit and installation quality.
What users say — positives
- Noticeable reduction of drafts and cold spots, especially in older buildings.
- Improved sound insulation: many users report quieter apartments after replacement.
- Heating cost savings: users often see better indoor comfort with lower thermostat settings.
- Sturdy hardware and tight sash fit when correctly adjusted.
"We upgraded to IGLO Energy 7 — the apartment stayed noticeably warmer and drafts decreased significantly." — customer feedback.
Complaints and caveats
- Price: higher than simpler 3–5 chamber profiles, which some buyers see as an unnecessary extra cost in certain cases.
- Installation matters: poor installation can negate the thermal advantages of the profile.
- Weight and stiffness: may require adequate reinforcement and careful hardware tuning.
- Without energy-efficient glazing the overall benefit is limited.
Installation and maintenance — practical notes
- Match the profile and glazing to climate, building type and window orientation.
- Professional installation with correct sealing, foam joint treatment and proper finishing of reveals is essential.
- Adjust hardware and check seals every 1–2 years to maintain performance.
- Use recommended foams and sealants; avoid aggressive cleaning chemicals on gaskets.
Buying tips
- For cold climates, choose a multi-pane energy-saving unit (three panes + low-E coating + argon fill).
- Calculate expected energy savings for your specific dwelling rather than relying only on profile claims.
- Check warranty terms and after-sales service from the supplier.
FAQ — common questions
1. Is it worth paying more for a 7-chamber profile in a small apartment?
Answer: It depends on wall insulation and current window performance. In well-insulated new buildings benefits may be marginal; in older, drafty homes improvements are more noticeable.
2. How much can heating bills drop?
Answer: Results vary. Users report savings from 5% up to 20% after complete window replacement and proper installation.
3. Do I need additional soundproofing?
Answer: For windows facing busy streets, combine a 7-chamber profile with an appropriate glazing solution (laminated or acoustical glass).
4. How long do the profiles and hardware last?
Answer: PVC profiles can last 20–30 years; hardware lifespan is typically 10–15 years depending on use and maintenance.
5. What are common ordering mistakes?
Answer: Wrong glazing selection, cutting costs on installation, ignoring window orientation and reveal treatment.
Conclusion
IGLO Energy 7 is a solid choice for those aiming to improve energy efficiency and reduce noise. The key to achieving the claimed benefits is the right glazing, professional installation and routine maintenance. Review local installation feedback and request energy-performance estimates from suppliers before purchase.