Cloud 9 Heat & Air was awarded the 2025 Mitsubishi Diamond Contractor of the Year!
If your existing air conditioner is no longer meeting your comfort needs, Cloud 9 Heating & Air offers trusted AC replacement in Mercer Island, WA. We work with Mercer Island homeowners to replace aging or inefficient systems with modern air conditioners designed for reliable performance and energy efficiency.
Homes on Mercer Island often feature unique layouts and high-end construction, which is why proper system selection and expert replacement are essential. As an exclusive installer of Mitsubishi and American Standard units, our licensed technicians ensure each replacement is carefully tailored to your home. We are also proud to be recognized as the 2025 Mitsubishi Diamond Contractor of the Year, highlighting our commitment to quality and excellence.
Choosing the right contractor for AC replacement in Mercer Island ensures long-term comfort and dependable system operation. Cloud 9 Heating & Air is trusted by homeowners for professional, detail-focused HVAC replacement services.
Why Mercer Island residents choose us:
Licensed and experienced HVAC professionals
Exclusive installation of Mitsubishi and American Standard systems
Energy-efficient air conditioning replacements
Careful removal and precise installation
Experience with Mercer Island homes and construction styles
Our Mercer Island AC replacement services are designed to improve indoor comfort, airflow balance, and overall system reliability. Whether your home is older or newly constructed, we provide replacement solutions that integrate seamlessly with your property.
By exclusively installing Mitsubishi and American Standard systems, we deliver advanced cooling technology trusted by Mercer Island homeowners.
For dependable AC replacement in Mercer Island, WA, trust Cloud 9 Heating & Air—an exclusive Mitsubishi and American Standard installer and the 2025 Mitsubishi Diamond Contractor of the Year.
📞 Contact us today to schedule your AC replacement and enjoy reliable, efficient cooling in your Mercer Island home.
Our central AC installation services in Seattle ensure balanced cooling throughout your home. We evaluate your home size, insulation, and airflow needs to recommend and install the right AC system for powerful, quiet, and efficient cooling.
Central Air Installation
Heat Pump AC Installation
High-Efficiency Cooling System Upgrades
If your current AC system is old, noisy, or inefficient, we offer AC replacement services that improve comfort and reduce operating costs. We install high-efficiency ENERGY STAR® rated cooling units that help lower energy bills while maintaining ideal indoor temperatures.
Signs you may need AC replacement:
Rising energy bills
Uneven cooling in rooms
Frequent repairs
AC unit older than 12–15 years
For homes without ductwork or for room-specific temperature control, our ductless mini-split installation services are a perfect solution. These systems are quiet, energy-efficient, and allow each room to be cooled independently.
Ideal for older homes, studios, basements, and additions
Flexible placement options
Lower energy consumption compared to central AC
Quick installation with minimal disruption
We specialize in residential AC installation, ensuring your home stays cool, comfortable, and efficient. Every installation is done by certified professionals using top-quality materials and equipment.
When repairs are no longer cost-effective, our AC replacement services provide a seamless upgrade to a modern system. Enjoy improved cooling power and lower operating costs.
Make your investment more affordable with available AC installation rebates and financing options. Our team helps you find local energy programs to save on upfront costs.
Trusted experts delivering reliable heating & cooling solutions for comfort in every season.
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Our experts perform a load calculation to determine the right size AC for your space, ensuring optimal cooling and efficiency.
Yes, we install a variety of systems, including central air conditioners and ductless mini-splits, depending on your home’s needs.
Most installations are completed within 1–2 days, depending on the system type and complexity of the home setup.
Yes, all new installations come with manufacturer warranties, and we also offer our service warranty for added peace of mind.
Absolutely! We guide you in selecting units with high SEER ratings to save on energy bills while keeping your home cool.
Professional installation ensures your AC works efficiently, safely, and lasts longer. DIY installation is not recommended.
At Cloud9 HVAC, we’re proud to bring reliable heating, cooling, and air quality services to homeowners throughout the Greater Seattle area. Whether you’re in Bellevue, Redmond, Bothell, or Kirkland, our certified technicians are ready to deliver comfort and care you can count on backed by integrity, expertise, and local experience.
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