HVAC SYSTEMS
Complete Heating, Ventilation & Air Conditioning Solutions
Mosameng Engineering (Pvt.) Ltd. | Pakistan
Pakistan's Premier HVAC Engineering Specialists
At Mosam Engineering, we understand that climate control is not a luxury—it is a necessity for productivity, comfort, health, and operational efficiency. Pakistan’s extreme seasonal temperatures, from the blistering summers of Punjab and Sindh to the cold winters of KPK and Balochistan, demand HVAC systems that are robustly engineered, precisely installed, and expertly maintained.
With a team of certified mechanical engineers, HVAC technicians, and energy consultants, Mosam Engineering delivers end-to-end HVAC solutions across residential, commercial, and industrial sectors throughout Pakistan. Our work is defined by technical precision, compliance with international standards, and a commitment to long-term client satisfaction.
Whether you need a single-split system for your office or a fully integrated central HVAC plant for a manufacturing facility, we bring the same standard of engineering excellence to every project.
About Us
Excellence in Every Degree delivering precise, reliable, and high-performance engineering solutions.
Mosam Engineering is Pakistan’s premier HVAC and engineering solutions provider, delivering excellence for over 20 years. Since our establishment in 2007, we’ve built a trusted reputation for quality, innovation, and customer satisfaction across residential, commercial, and industrial sectors.
HVAC
HVAC Installation & Services
Project Design
Project Design & Planning
Engineering Solutions
Interior Engineering Solutions
Contracting
Contracting & Management Services
Our HVAC Systems Services
Mosam Engineering provides a complete range of HVAC systems services across Pakistan covering every stage from initial design and installation through to ongoing maintenance, emergency repair, and specialist consultancy.
HVAC Installation
New system design, supply, and professional installation
HVAC Maintenance
Preventive, predictive, and annual maintenance contracts
HVAC Repair Services
Rapid-response fault diagnosis and repair for all brands
Commercial HVAC
Climate control solutions for offices, retail, and hospitality
Industrial HVAC
Heavy-duty systems for manufacturing and industrial facilities
HVAC Design & Consultancy
Engineering design, energy modelling, and technical advisory
HVAC Installation
Right from the start engineered for efficiency and built to last.
A correctly installed HVAC system is the foundation of energy efficiency, equipment longevity, and occupant comfort. At Mosam Engineering, our installation process is methodical and thorough from initial site assessment through to commissioning and handover.
What We Install
- Split and multi-split air conditioning systems
- Ducted central air conditioning systems
- Variable Refrigerant Flow (VRF/VRV) systems
- Chiller plants and air handling units (AHUs)
- Fan coil unit (FCU) systems
- Heating systems, including heat pumps and boilers
- Ventilation systems, including ERVs and HRVs
- Precision cooling for data centres and server rooms
Our Installation Process
- Detailed site survey and load calculation
- Equipment selection based on capacity, efficiency ratings, and client budget
- Ductwork fabrication and layout planning
- Professional installation by certified engineers and technicians
- System commissioning, balancing, and performance testing
- Client walkthrough and operator training
HVAC Maintenance
Prevent failures before they happen protect your investment.
HVAC systems are among the most capital-intensive assets in any building. Neglecting maintenance leads to energy waste, premature equipment failure, poor indoor air quality, and costly emergency breakdowns. Mosam Engineering offers structured preventive and predictive maintenance programs tailored to your equipment type, usage intensity, and operational requirements.
Maintenance Service Plans
- Annual Maintenance Contracts (AMC) Scheduled visits, full system checks, and priority emergency response
- Quarterly Preventive Maintenance Comprehensive inspection and servicing every three months
- Monthly Check-up Plans Ideal for high-usage commercial and industrial facilities
- One-Time Servicing Available on request for system tune-ups
What Our Maintenance Covers
- Filter cleaning and replacement
- Coil cleaning (evaporator and condenser)
- Refrigerant level check and top-up
- Electrical connections, controls, and safety checks
- Drain pan and condensate line flushing
- Fan and belt inspection
- Thermostat calibration and BMS integration review
- Ductwork inspection for leaks and contamination
HVAC Repair Services
Fast, accurate diagnosis restoring your comfort when it matters most.
When an HVAC system malfunctions, every hour of downtime has a cost in productivity, comfort, or perishable inventory. Mosam Engineering provides rapid-response repair services for all makes and models of HVAC equipment. Our technicians are equipped with advanced diagnostic tools and carry a comprehensive inventory of genuine spare parts to resolve most faults in a single visit.
Common Issues We Resolve
- Refrigerant leaks and recharge
- Compressor faults and replacement
- PCB and controller failures
- Sensor, thermostat, and solenoid valve replacements
- Motor, fan, and blower failures
- Ductwork leaks, blockages, and damaged insulation
- Drainage and condensate problems
- Electrical faults, tripping, and wiring issues
Emergency HVAC Repair
We offer emergency call-out services for critical environments, including hospitals, data centers, cold storage, and industrial facilities where HVAC failure cannot be tolerated. Our emergency response team operates with clearly defined SLAs to ensure minimal disruption.
We service all major brands, including Daikin, Mitsubishi, Gree, Haier, Carrier, Trane, York, Hitachi, and Samsung, among others. Our repair work is backed by a service warranty, giving you peace of mind after every job.
Commercial HVAC
Creating comfortable, productive spaces for offices, retail, hospitality, and healthcare.
Commercial buildings have HVAC demands that go far beyond a domestic split unit. Occupant density, diverse zoning requirements, energy efficiency targets, building management system integration, and fire and safety compliance all require specialist knowledge. Mosam Engineering has delivered HVAC solutions for a wide spectrum of commercial projects across Pakistan.
Commercial Sectors We Serve
- Corporate offices and business parks
- Shopping centres and retail outlets
- Hotels, restaurants, and hospitality venues
- Hospitals, clinics, and pharmaceutical facilities
- Educational institutions and universities
- Banks, data centres, and financial institutions
- Cinemas, auditoriums, and event venues
Our Commercial HVAC Expertise
We design and deliver complete mechanical and electrical HVAC packages for commercial projects, working collaboratively with architects, civil engineers, electrical consultants, and project managers. Our commercial offerings include centralized chilled water systems, BMS-integrated climate control, energy-efficient VRF systems, and indoor air quality (IAQ) solutions designed to meet international health and safety standards.
We understand that commercial clients require minimal disruption to operations. Our project management methodology includes phased implementation schedules, off-hours installation, and clear milestones—keeping your business running while your HVAC system is upgraded or installed.
Industrial HVAC
Heavy-duty climate control engineered for Pakistan’s industrial HVAC work is documented with full engineering calculations, compliance certificates, and handover documentation.
HVAC Design & Consultancy
Engineering intelligence at every stage from concept to commissioning.
Sound HVAC design is the single most important factor in long-term systems demanding industrial environments.
Industrial HVAC is a distinct discipline that demands deep technical expertise. Process cooling, dust extraction, pressurization, explosion-proof equipment, and compliance with occupational health and safety (OHS) standards are just some of the challenges that industrial facilities present. Mosam Engineering has the experience and the engineering capability to meet these challenges.
Certified
Certifications & Registrations
Recognized and certified by leading industry standards
ISO Certified
Quality Assured
Licensed Contractor
Industry Approved
Industries We Serve
- Textile and garment manufacturing
- Pharmaceutical and GMP production facilities
- Food and beverage processing plants
- Cement, steel, and heavy manufacturing
- Oil & gas refineries and petrochemical plants
- Cold storage and logistics warehouses
- Power generation and utility facilities
Industrial HVAC Capabilities
- Large-capacity chiller and cooling tower systems
- Process ventilation and fume extraction systems
- Cleanroom HVAC (ISO-classified environments)
- Dust collection and industrial filtration systems
- Positive and negative pressure room systems
- ATEX-rated equipment for hazardous environments
- Energy recovery ventilation at industrial scale
Mosam Engineering works within your production schedules, ensuring installations and maintenance activities are planned to avoid impact on manufacturing output. Allem performance, energy efficiency, and occupant satisfaction. Cutting corners at the design stage leads to oversized or undersized equipment, uncomfortable spaces, high energy bills, and premature failures. Mosam Engineering provides rigorous HVAC design and consultancy services grounded in engineering first principles and supported by industry-leading software tools.
Design Services
- Building heat load and cooling load calculations (ASHRAE, CIBSE methodology)
- Ductwork design and air distribution modelling
- Hydronic and piping system design
- Equipment selection and specification
- Energy performance simulation and modelling
- Indoor air quality (IAQ) assessment and design
- HVAC drawings and schematics (AutoCAD, Revit MEP)
- Bills of Quantities (BOQs) and tender documentation
Consultancy Services
- Independent technical review and peer review of HVAC designs
- HVAC system audit and energy benchmarking
- LEED and green building consultancy support
- Feasibility studies for system upgrades and replacements
- Dispute resolution and expert witness support
- Contractor prequalification and procurement support
Our consultancy team has provided technical advisory services for some of Pakistan’s most complex building and infrastructure projects. We bring international codes and best practices to every engagement, ensuring your HVAC investment is protected from the very first drawing.
How Our HVAC Process Works
Every HVAC project at Mosam Engineering follows a clear and structured process from first contact to final handover.
- Site Assessment Our engineers visit your site, assess your space, and gather all technical requirements.
- Custom Design & Proposal We prepare a detailed HVAC design and transparent quotation with no hidden costs.
- Installation & Execution Our certified technicians carry out all work to ASHRAE standards with minimal disruption.
- Testing & Commissioning Every system is fully tested, balanced, and commissioned before handover.
- Handover & Training We provide full documentation and train your team on system operation.
- Ongoing Maintenance & Support Structured maintenance plans and 24/7 emergency support keep your system running at its best.
Why Choose Mosam Engineering for HVAC Systems?
- Certified Engineers Our team holds qualifications from internationally recognised engineering bodies
- Proven Track Record Delivered HVAC projects across residential, commercial, and industrial sectors throughout Pakistan
- Multi-Brand Expertise We work with all leading HVAC brands and are not tied to any single manufacturer
- End-to-End Service Design, supply, installation, commissioning, maintenance, and repair under one roof
- Transparent Pricing Detailed quotations with no hidden costs and clearly defined scope of work
- Warranty & Aftercare All installation work and repairs are backed by service warranties
- 24/7 Emergency Support For critical facilities, our emergency response team is available around the clock
- Energy Efficiency Focus Every solution we design aims to reduce energy consumption and operating costs
Areas We Serve Across Pakistan
Mosam Engineering provides HVAC systems services across all major cities and industrial zones throughout Pakistan.
- Karachi Commercial, industrial, and residential HVAC projects
- Lahore Corporate offices, manufacturing facilities, and hospitals
- Islamabad & Rawalpindi Government buildings, data centres, and commercial projects
- Peshawar Industrial and commercial HVAC installations
- Faisalabad Textile and manufacturing sector HVAC solutions
- Multan Commercial and residential HVAC services
- Quetta Industrial and commercial climate control projects
- Nationwide Industrial zones, infrastructure projects, and remote site installations
Get in Touch With Our HVAC Team
Whether you are planning a new construction project, upgrading an aging system, or experiencing an urgent HVAC fault—Mosam Engineering is ready to assist. Our technical team is available to discuss your requirements, conduct a site survey, and provide a detailed proposal.
Contact us today to speak with one of our HVAC engineers. We serve clients across Karachi, Lahore, Islamabad, Rawalpindi, Peshawar, Faisalabad, Multan, and all major cities and industrial zones throughout Pakistan.
Frequently Asked Questions
What HVAC system services does Mosameng Engineering provide?
Mosameng Engineering provides a complete range of HVAC system services in Pakistan including HVAC installation, preventive maintenance, emergency repair, commercial HVAC, industrial HVAC, and HVAC design and consultancy. We serve residential, commercial, and industrial clients across all major cities in Pakistan.
Which HVAC brands do you install and repair?
We are multi-brand specialists working with all major HVAC brands including Daikin, Mitsubishi, Gree, Haier, Carrier, Trane, York, Hitachi, and Samsung. We are not tied to any single manufacturer, so we always recommend the best equipment for your specific needs and budget.
Do you offer annual maintenance contracts for HVAC systems?
Yes. We offer structured Annual Maintenance Contracts (AMC) that include scheduled preventive maintenance visits, full system checks, priority emergency response, and a dedicated account manager. AMC clients also receive discounted parts pricing throughout the contract period.
How quickly can you respond to an emergency HVAC breakdown?
Mosameng Engineering operates a 24/7 emergency response service for critical environments, including hospitals, data centres, pharmaceutical facilities, and cold storage. Our emergency team responds with clearly defined SLAs to ensure minimum downtime for your operations.
Do you provide HVAC design and consultancy services?
Yes. Our HVAC design and consultancy services cover full heat load calculations, ductwork design, energy performance modeling, IAQ assessments, AutoCAD and Revit MEP drawings, BOQs, and independent technical reviews. We support both new construction projects and existing system upgrades.
What standards do your HVAC installations comply with?
All our HVAC installations comply with ASHRAE standards, CIBSE guidelines, and local Pakistani building codes. For specialized environments such as cleanrooms, pharmaceutical facilities, and hazardous areas we also comply with ISO, GMP, and ATEX standards as required.
How do I get a quote for HVAC system services in Pakistan?
Simply contact our team through our website or call our office directly. Our engineers will arrange a site visit, assess your requirements, and provide a detailed and transparent quotation with a clearly defined scope of work at no obligation.
Client Testimonials Our Customers
Tariq Mahmood
Operations Director, Corporate Office, Karachi
“Mosam Engineering installed a complete VRF system across our 6-floor corporate office in Karachi. The project was delivered on time and within budget, and the system has been running perfectly for over a year. Their engineering team is highly professional and technically excellent.”
Dr. Ayesha Noor
Facility Manager, Pharmaceutical Plant, Lahore
“We had an urgent HVAC failure in our pharmaceutical manufacturing facility in Lahore. The Mosam Engineering emergency team was on-site within hours and had the system back online the same day. Their GMP knowledge and fast response saved us from a very costly production shutdown.”
Imran Khalid
Project Manager, Healthcare Construction, Islamabad
“We engaged Mosam Engineering for HVAC design consultancy on a large hospital project in Islamabad. Their load calculations, IAQ design, and technical documentation were thorough and professional. We have already engaged them for two more projects.”
Usman Shahid
Plant Manager, Textile Manufacturing, Faisalabad
“Mosam Engineering handles our Annual Maintenance Contract for all HVAC systems across our three factory sites in Faisalabad. Their preventive maintenance team is reliable, well-equipped, and always delivers detailed service reports. Highly recommended for industrial HVAC maintenance in Pakistan.”
Contact Us
Get Started Today
Ready to experience Pakistan’s best HVAC and engineering services? Contact us for a free consultation and quote.
24/7 Emergency Service
Available anytime, anywhere in Pakistan
Average response time: 2 hours
Service Areas
- Lahore
- Islamabad
- Multan
- Gujranwala
- Karachi
- Faisalabad
- Rawalpindi
- Peshawar
Head Office Information
Phone
- Tel: +92 51 610 1862
- Cell: +92 321 5000 174
- WhatsApp: +92 0300 8506837
- awan@mosameng.com
- ashraq313@gmail.com
Address
Mosam Engineering, D-13, Iqbal Boulevard,
DHA Phase-2, Islamaba
Business Hours
- Mon - Sat: 8:00 AM - 6:00 PM
- Sunday: 10:00 AM - 4:00 PM
