Breathe Better. Live Better.
Mechanical fresh air ERV ventilation systems maintaining optimal indoor air quality across Indian luxury homes.
VARELLI engineers whole-home fresh air ventilation and Energy Recovery Ventilation (ERV) systems with Swiss Zehnder technology, continuously exhausting CO2 and introducing filtered outdoor air with 95% thermal recovery.
What's Included
Capabilities & Experience Zones
Continuous Fresh Air Supply
Constant supply of filtered outdoor air maintaining optimal CO2 levels.
Heat Recovery Ventilation
Energy-efficient heat recovery pre-conditioning incoming air.
Fine Particle Filtration
HEPA and activated carbon filtration removing PM2.5 particulates.
Humidity Management
Balanced ventilation maintaining optimal indoor humidity levels.
Silent Ductwork Design
Acoustic duct lining ensuring inaudible air circulation.
Automation Integration
CO2 and IAQ sensors trigger automatic ventilation adjustments.
Transparent Architectural Packages & Specifications.
Maintain pristine, hospital-grade indoor air quality with Swiss Zehnder Energy Recovery Ventilation, positive pressure, and True HEPA H13 filtration. All packages include end-to-end design engineering, factory-direct supply, certified on-site commissioning, and lifetime warranty support.
Zehnder Swiss ERV Villa System
Swiss Passive House certified Energy Recovery Ventilation (ERV) supplying 100% continuous filtered outdoor fresh air while expelling CO2 and PM2.5.
Grand Estate Multi-Zone IAQ Enclave
Multi-unit centralized ERV distribution with geothermal pre-cooling, active enthalpy moisture balancing, and cleanroom-grade air purification.
Why Standalone Air Purifiers Fail Compared to Centralized Swiss ERV
Why continuous fresh outdoor air exchange and positive pressure are essential for true luxury living health.
| Engineering Criterion | VARELLI Standard | Typical Retail / Local Integrators |
|---|---|---|
| Hardware Architecture | Open-Protocol Industrial KNX / DALI-2 (Decentralized, 30+ year lifespan) | Proprietary wireless hubs (Cloud-dependent, discontinued in 3-5 years) |
| Acoustic & Daylighting Engineering | Computational RT60 raytracing, CEDIA CTA/RP22, and DALI circadian tuning | Trial-and-error speaker placement without room impulse measurement |
| Team & Commissioning | In-house certified KNX & THX acoustic engineers (Zero outsourcing) | Subcontracted electricians with no protocol-level training |
| Documentation & Schematics | AutoCAD architectural single-line wiring diagrams & load schedules provided | Unlabeled cables with no schematic handover |
| Warranty & Support SLA | 5-Year comprehensive hardware warranty + lifetime acoustic calibration | 1-Year vendor warranty with high hourly service call charges |
| Direct WhatsApp Private Desk | Direct line to Senior Systems Architect with <15 min response time | Call center ticketing systems with delayed turnaround |
Ready for an uncompromising residential system?
Connect directly with our senior engineering desk on WhatsApp.
Knowledge
Frequently Asked Questions
Begin Your Project
Begin your Fresh Air Ventilation project
Every VARELLI project begins with a private consultation. Share the details of your residence and we will arrange a meeting with our design team.