Stop overpaying for outdated cooling.

Upgrade to energy-efficient split ACs for for better comfort and lower costs.

We replace underperforming ACs with smart, efficient systems – reducing costs and boosting sustainability, without compromising comfort.

Cooling that works for you – and the planet.

Be energy efficient & cut costs

Be eco-friendly & reduce CO₂ footprint

Improve indoor comfort and air quality

Replace what drains your energy. Literally.

In Qatar, air conditioning is no longer a luxury – it’s a necessity. People expect reliable, efficient cooling in homes, offices and public spaces as part of modern comfort. However, in many buildings outdated systems are becoming a problem due to energy costs and environmental concerns.

That's where ista comes in. We provide a seamless upgrade service to energy-efficient split AC units that cool faster, run more quietly and consume significantly less energy. Our retrofit process is quick and clean, causing minimal disruption to tenants or operations.

Why upgrading to state-of-the-art technology pays off

In regions such as Qatar, air conditioning plays a central role quality of life. What was once considered a luxury has become an everyday necessity, driven by rising temperatures, dense urban development and growing expectations of indoor comfort.

However, HVAC systems are also among the most energy-intensive components in buildings, accounting for up to 40% of total electricity usage in commercial settings. This makes efficient cooling essential for comfort, but also for controlling costs and achieving sustainability goals. Given the depletion of global energy resources and the country's ambitious environmental goals, the need for smarter cooling solutions has never been greater.

Green buildings are no longer a niche phenomenon; they are the future. Managers and owners looking to reduce operational costs, increase property value and boost tenant satisfaction are actively embracing energy-efficient HVAC systems as a smart investment. The result? Lower bills, fewer emissions and more comfortable spaces for everyone.

Modernization for better performance.

ista offers complete AC modernization services for residential and commercial buildings. Our high-efficiency split systems feature advanced inverter technology that adjusts the speed of the compressor to match demand, resulting in faster cooling, reduced energy waste and a longer equipment lifespan. These systems also operate more quietly and are better suited to variable usage conditions — an important consideration in mixed-use or multi-tenant buildings.

Whether you are upgrading a single facility or a large property portfolio, we can provide a solution that balances comfort, sustainability and long-term savings.

Find out how much your outdated AC units are really costing you.

Expert installation you can trust.

A successful upgrade depends on two things: choosing the right system and ensuring proper installation. At ista, we follow best-in-class practices to ensure that your new air conditioning units perform at their best.

  • On-site Assessment & System Design: Before installation, our experts will conduct a thorough assessment of your current setup. Based on the needs of your building, we will create a customized installation plan and advise you on the most efficient and suitable hardware options.
  • Secure Mounting: We install indoor and outdoor units to minimise noise and vibration.
  • Professional Insulation: All refrigerant lines and cabling are properly sealed to prevent energy loss.
  • Electrical Compliance: We adhere to all of the country's electrical safety codes to ensure optimal voltage and safe operation.
  • Ongoing Maintenance: Our optional service packages include regular maintenance and cleaning to help ensure your system continues to run efficiently for years to come.

Unlock efficiency: Our smart and future-​proof devices.

By combining our one-​​stop solutions with the innovative technology in our appliances, managing your energy consumption has never been easier. Our experts are happy to advise you on the best combination of tools to optimize efficiency and savings.

AC Units

Optimize cooling and energy efficiency with our advanced AC units for all spaces.

MinuteView

Make smarter energy decisions with a cloud-​based platform that tracks and optimizes consumption across all locations.

Upgrade to high-efficiency ACs – start saving energy today.

Facts & Figures

6,300
employees

Icon: In einem Kreis in der Farbe lime Grün befindet sich eine abstrakte Darstellung der Erde.

20
countries

3.7 mil.
t CO₂ emissions avoided

14 mil.
utilisation units

Frequently asked questions

Discover more innovative solutions to transform your property.

Our custom solutions are designed to help our clients reduce their environmental impact, improve health and safety in their buildings, and save energy costs.

ESCO Solution & Services

Achieve greater energy savings and efficiency with our comprehensive energy management and ESCO services, focusing on performance enhancements with no upfront costs through guaranteed savings.

Retrofit Solution

Transform your existing systems with our retrofit solutions, designed to improve efficiency, sustainability, and performance without the need for full system replacements.