Bihar & Jharkhand's most trusted commercial HVAC contractor and Authorized Daikin Channel Partner since 2018 — serving banks, hospitals, hotels and institutions across the region.
Greenzone Airconditioning LLP was founded in Patna in 2018 with one clear mission — to bring certified, manufacturer-quality HVAC solutions to commercial and industrial buildings across Bihar and Jharkhand.
Our Authorized Daikin Channel Partnership gives us direct access to the world's most advanced HVAC technology. Combined with our certified engineers and genuine commitment to quality, we have built unshakeable trust with Bihar's leading banks, hospitals, hotels and educational institutions.
Today, with 500+ successfully delivered projects across Bihar and Jharkhand — from HDFC Bank to IGIMS Hospital to Rudraksh Hotel — Greenzone stands as the region's premier commercial HVAC contractor.
To deliver the highest quality commercial HVAC solutions across Bihar and Jharkhand — using Daikin's technology, certified expertise and genuine commitment to every client's comfort.
To be the most trusted and technically advanced HVAC partner for every commercial building in Bihar and Jharkhand.
Genuine Daikin products. Certified installation. Transparent pricing. 24x7 support. We never compromise on quality.
Official Daikin authorization means 100% genuine products, full manufacturer warranty and factory-certified installation.
Every project is executed by Daikin-certified engineers — correct installation, proper refrigerant charging, accurate electrical work.
When your AC fails at 2 AM — we respond. Our emergency line is staffed round-the-clock, 365 days a year.
Patna, Ranchi, Gaya, Muzaffarpur, Jamshedpur, Dhanbad — one trusted HVAC partner for all your locations.
Daikin's inverter VRF/VRV technology reduces electricity consumption by up to 40% versus conventional systems.
Site survey → Design → Installation → Testing → AMC. We handle the entire HVAC project lifecycle.
Greenzone Airconditioning LLP established with focus on commercial HVAC. First projects delivered in Patna.
Greenzone achieves Authorized Daikin Channel Partner status — one of very few in Bihar.
Major HVAC projects for HDFC Bank, ICICI Bank and IndusInd Bank across Patna.
Landmark projects for IGIMS Hospital and Rudraksh Hotel. Coverage expanded to Jharkhand.
Crossed 500+ projects. Full coverage across Bihar and Jharkhand.