HVLS fans, wind driven and hybrid roof ventilators, tubular daylighting, and KEMPER welding fume extraction. Ventilation handles the building; extraction handles the fume at source.



HVLS fans — SVS AL Series. PMSM gearless motor, every model ≤40 dBA.
| Model | Size | Motor | Speed | Air volume | Weight | Noise | |
|---|---|---|---|---|---|---|---|
| SVS AL_24 | 24 ft | 1.5 kW | 10–55 rpm | 13,650 CMM | 113 kg | ≤40 dBA | PDFQuote |
| SVS AL_20 | 20 ft | 1.5 kW | 10–65 rpm | 11,500 CMM | 100 kg | ≤40 dBA | Quote |
| SVS AL_18 | 18 ft | 0.8 kW | 10–70 rpm | 10,500 CMM | 82 kg | ≤40 dBA | Quote |
| SVS AL_16 | 16 ft | 0.8 kW | 10–80 rpm | 9,800 CMM | 80 kg | ≤40 dBA | Quote |
| SVS AL_14 | 14 ft | 0.4 kW | 10–90 rpm | 8,900 CMM | 69 kg | ≤40 dBA | Quote |
| SVS AL_12 | 12 ft | 0.4 kW | 10–95 rpm | 7,900 CMM | 67 kg | ≤40 dBA | Quote |
| SVS AL_10 | 10 ft | 0.4 kW | 10–100 rpm | 6,950 CMM | 64 kg | ≤40 dBA | Quote |
| SVS AL_8 | 8 ft | 0.4 kW | 10–120 rpm | 4,950 CMM | 53 kg | ≤40 dBA | Quote |
Roof ventilators. Wind driven and hybrid — no running cost, or almost none.
| Product | Type | Models | Throat | Why it's different | |
|---|---|---|---|---|---|
| Hurricane | Wind driven, vertical straight vane | 600E · 600 · 900 | 600 / 900 mm | World's first vertical vane turbine · at least 40% higher discharge than spherical vane · stable in 200 kph wind (AS 2428.1) · leak proof at 2.5 l/s rain (AS 2050) | PDFQuote |
| Windy | Wind driven, spherical vane | W14 · W24 · W36 PLUS | — | India's largest selling and exported turbine extractor · exhausts at very low wind speed | PDFQuote |
| EcoPower | Hybrid — wind + electric | — | — | AirIQ smart Android control · runs on wind, switches to power only when conditions demand · lowest power per unit of air discharged | PDFQuote |
Daylighting. 98% reflective tube — sunlight indoors, no electricity, negligible heat gain.
| Product | Tube Ø | Tube length | Coverage | Best for | |
|---|---|---|---|---|---|
| SafeLux Plus 500 | 500 mm | 250 mm | 400 ft² | Ceiling-flush, tube terminates at roof — low-height buildings | PDFQuote |
| SafeLux Plus 750 | 750 mm | 250 mm | 800 ft² | As above, larger coverage per unit | Quote |
| SunInside 500 | 500 mm | 1250 mm | 750 ft² | Vari Pitch — light below false ceilings, no bends needed | PDFQuote |
| SunInside 750 | 750 mm | 1250 mm | 1400 ft² | Largest coverage — 1400 ft² from one unit | Quote |
KEMPER welding fume extraction. Ventilation handles the building; extraction handles the fume at source. Most shops need both.
| Model | Duty | Filter | Extraction | Supply | Weight | Noise | |
|---|---|---|---|---|---|---|---|
| SmartMaster | Occasional, low dust | 3-stage disposable · 12 m² · >99% · W3 | 950 m³/h · 1500 Pa | 1 × 230 V, 6.7 A | 71 kg | ~72 dB(A) | PDFQuote |
| ProfiMaster | Occasional to frequent, low–medium dust | 2-stage disposable · 17 m² · >99% · W3 | 1100 m³/h · 2100 Pa | 3 × 400 V, 2.3 A | 106 kg | ~70 dB(A) | PDFQuote |
| FilterMaster XL | Continuous production | 1 × 10 m² ePTFE membrane cartridge · 99.9% · W3, IFA certified · self-cleaning | 1000 m³/h · 3000 m³/h fan | 3 × 400 V, 1.5 kW · air 5–6 bar | 135 kg | 69 dB(A) | PDFQuote |
W3 is the specification to ask for. Both mobile units are IFA W3 certified, which means they are approved for welding high-alloy and stainless steel — where the fume carries chromium and nickel compounds. A unit without W3 approval is not adequate for stainless, whatever its airflow figure says. Extraction arms available in 2, 3 and 4 m.
Installation is the part that goes wrong on other people's roofs. SVS use an FRP or polycarbonate base sheet sandwiched into the existing panel, profile-matched to 300+ roof types, with no sealant — sealant cracks, and that is where leaks start. Don't guess quantities: send floor size, ceiling height and roof profile and we'll return a layout drawing →
A single 24 ft HVLS fan moves 13,650 cubic metres a minute at under 40 decibels on 1.5 kW — quiet enough for a conversation underneath it, and a fraction of the running cost of ten wall fans.
Our own footage, filmed on the shop floor at Paschim Vihar and on customer sites — not manufacturer marketing. Nothing loads from YouTube until you press play.
More machines at work on our channel: youtube.com/@arcweldingcom
Material, thickness, quantity and delivery location are all we need to begin. We represent seven authorised brands, so the recommendation you receive is the one the job calls for.