About S M Aircon
An HVAC engineering and contracting company serving commercial buildings since 2018.
HVAC engineering you can rely on
S M Aircon Enterprises was established in 2018 by Md. Moin to provide commercial buildings with a dependable, engineering-led HVAC partner.
Operating from our head office in Patna and branch office in Mumbai, we have completed more than 1,000 projects — ranging from showrooms and offices to hospitals, auditoriums and a 5,000 HP VRV system at Sunteck, BKC.
As an authorised sale and service partner for India’s leading air-conditioning brands, we recommend the system that best fits each building’s load, layout and budget.
- Head office in Patna, branch office in Mumbai
- 1000+ projects delivered
- Authorised partner for 11 leading AC brands
- In-house engineers and installation teams
Skill, expertise & resources for fast-track projects

S M Aircon, a Mechanical, Electrical and Plumbing company, is a premium engineering and general contractor. It provides the skill, expertise, experience and resources essential to meet the demands of today’s fast-track projects. Its track record includes prestigious developments — from hotels, resort spas and retail to cinema, leisure and exhibition spaces.
Key services include turnkey electromechanical construction, planning and facilities management — contract work, full maintenance and call-out facilities management — plus energy optimisation that reduces operating costs and prolongs plant life. This is achieved through energy audits and advanced energy-saving methods, together with project quantity surveying, budgeting and BOQ production.
S M Aircon sees its large, reliable workforce as its greatest asset, and invests in technical and soft-skills training at its own MEP Technical Training & Development department. Whatever a project needs, it is delivered on time, within budget and to the highest standards.
Our Mission
To deliver reliable, energy-efficient HVAC systems through sound engineering, genuine equipment and responsive service.
Our Vision
To be the most trusted HVAC engineering and contracting partner for commercial buildings in eastern India and beyond.
“We are proud to be among the leading engineering firms in Patna & Mumbai. We believe in finding the best people, developing their skills and careers, and renewing our pledge to excellence with every project.”
S M Aircon has achieved remarkable growth in a short span, contributing to the development of the state through competitiveness and timely delivery with high quality standards. We have a long tradition of serving valued customers to their complete satisfaction through efficient management and excellent workmanship — and we continue to maintain it.
We understand that the building industry is fast-growing and ever-changing, so we keep investigating better solutions. Our experience has given us the edge to provide clients with good-quality service and support.
Projects delivered
Authorised AC brands
Largest single VRV installation
Years of HVAC contracting experience
Built on trust, delivered with precision
We use technologically advanced, modern equipment to give clients the most efficient, time-saving solutions for large-scale construction and planning projects — and a variety of facilities-management approaches to suit each project.
Start a ProjectSingle-point turnkey responsibility
Design, supply, installation, testing and commissioning under one contract — one team accountable from drawing to handover.
Engineering-led system design
Every quotation starts with a site survey and heat-load calculation, so the system is sized correctly — not oversized or under-performing.
Authorised OEM partner
Genuine equipment from Daikin, Carrier, Toshiba, Samsung and other leading brands, with full manufacturer warranty and technical backup.
Trained engineers & technicians
Experienced site engineers and skilled technicians for refrigerant piping, ducting, electricals and controls — no sub-standard shortcuts.
On-time, on-budget execution
Clear BOQs, transparent pricing and disciplined site planning keep projects on schedule from mobilisation to commissioning.
Responsive after-sales support
Preventive AMC, breakdown call-outs and spares support from our Patna and Mumbai offices — long after the project is handed over.
Authorised partner for leading brands
Genuine equipment, OEM warranty and technical backup — we recommend the machine that fits your project.











Certifications & authorisations
OEM authorisations and registrations that back every installation we deliver.
Present in Patna & Mumbai
H.O. — Patna
Saguna More, Khagaul Road, Near KIA Car Showroom, Mustafapur, Danapur, Patna – 801105
+91 88289 62852B.O. — Mumbai
Padma Nagar, Near Dr. Yadav Gali, Road No. 14, Baiganwadi, Govandi, Mumbai – 400043
+91 98331 94101






