Frequently Asked Questions

OES is headquartered at 24 Industrial Zone, Lahore, Pakistan, with service coverage across all major cities in the country.

OES was founded in 2005 and has over 20 years of experience in the power and technology solutions industry.

OES serves manufacturing, healthcare, banking and finance, retail, residential, educational institutions, and government entities, among others.

Yes. OES offers comprehensive AMC plans for all product lines including solar systems, UPS, batteries, and counting/sorting machines. AMC plans include scheduled visits, priority response, and spare parts coverage.

OES provides on-site services across all major cities and industrial zones, including Lahore, Karachi, Islamabad, Faisalabad, Multan, Peshawar, and beyond.

Visit our Contact page, fill in the quote request form, or call us directly at +92-321-1234567. Our team responds within 24 business hours.

All OES products and installations come with a minimum 1-year warranty. Extended warranty plans of 3 and 5 years are available with our Professional and Enterprise packages.

Yes, OES provides comprehensive operator training for all installed equipment, conducted on-site by certified technicians.

System size depends on your electricity consumption. OES conducts a free site assessment and load analysis to recommend the optimal system. Sizes commonly range from 3KW (residential) to 500KW+ (industrial).

Yes. OES manages the complete net metering registration process with DISCO, allowing you to export excess solar energy to the grid and offset your bill.

Residential installations (up to 20KW) are typically completed within 3–5 working days. Industrial-scale systems may take 2–6 weeks depending on size and site complexity.

Payback periods typically range from 3–5 years for residential systems and 4–7 years for industrial systems, depending on electricity tariff and system output.

Yes. OES has experience with apartment buildings using shared generation and individual sub-metering solutions.

Solar panels still generate electricity on cloudy days, at reduced output. Battery storage or grid backup ensures uninterrupted power regardless of weather.

OES supplies offline, line-interactive, and online (double-conversion) UPS systems from APC, Eaton, Schneider Electric, and our own OES brand. Capacities range from 500VA to 200KVA+.

UPS batteries typically last 3–5 years. OES AMC plans include battery health monitoring and timely replacement recommendations to prevent unexpected failures.

An online UPS provides zero transfer time and continuously clean power — ideal for servers and critical equipment. An offline UPS switches to battery on power failure, suitable for general office equipment.

Yes. OES specializes in hybrid solar + UPS + battery systems that provide maximum energy independence and extended backup duration.

OES supplies batteries from Osaka, AGS, Volta, and our own OES Deep Cycle brand, covering automotive, tubular, AGM, and lithium-ion chemistries.

AMC clients receive a response within 2–4 hours in major cities. Enterprise SLA clients receive a 1-hour response commitment.

OES supplies and services Carnation, Maxsell, Kisan, and our own OES BC-series banknote and coin counting machines.

Yes. All OES-supplied machines include multi-layer counterfeit detection: UV, magnetic, infrared, and size verification. Calibration for current PKR currency series is performed by certified technicians.

OES recommends bi-annual servicing (every 6 months) under an AMC plan to maintain accuracy and extend machine life.

Yes. OES supplies and configures multi-currency machines supporting PKR, USD, EUR, GBP, and other major currencies.

Depending on model, throughput ranges from 800 to 1,800 banknotes per minute. OES recommends the right model based on your daily cash volume.

A currency sorting machine counts, authenticates, and sorts banknotes by denomination, fitness, and serial number at high speed — essential for central and commercial banks and cash processing centers.

OES is an authorized service partner for Giesecke+Devrient (G+D) and Laurel, and also supplies our own OES CS-series sorting machines.

Sorting machines require monthly cleaning, quarterly calibration, and annual software updates. OES AMC plans cover all of these on a scheduled basis.

Yes. OES engineers can integrate sorting machines with most vault management and core banking systems. Feasibility assessments are provided free of charge.

OES sorting machines can process 60,000 to 100,000 banknotes per hour depending on model and configuration.

Absolutely. OES packages are starting points. Our sales team will tailor any package to your exact requirements at no additional design cost.

Yes. OES offers flexible installment plans in partnership with select financial institutions. Contact our sales team for details.

AMC plans include scheduled preventive maintenance visits, priority technical support, discounted spare parts, comprehensive service reports, and performance guarantees.

Pricing depends on system size, product selection, site complexity, and location. OES provides detailed quotations after a free site assessment.

All OES installations undergo rigorous commissioning and testing before handover. We provide a comprehensive handover report and 30-day post-installation support at no additional cost.