Cloud 9 Heat & Air was awarded the 2025 Mitsubishi Diamond Contractor of the Year!
If your tankless water heater is struggling to keep up, producing inconsistent temperatures, or requiring frequent repairs, it may be time for a replacement. Replacing a tankless water heater ensures you continue to enjoy endless hot water, reduced energy usage, and smooth day-to-day performance.
We specialize in tankless water heater replacement for homes throughout Seattle and the Eastside. Our technicians assess your current system, recommend the right high-efficiency replacement, handle clean removal of the old unit, and install the new system with precision.
Modern tankless systems offer improved heating technology, better temperature control, quieter operation, and better overall efficiency — helping you save on energy costs while maintaining steady hot water when you need it.
We make the replacement process simple and stress-free, with transparent pricing, clean workmanship, and dependable service backed by experience.
Inconsistent or fluctuating water temperature
Reduced water flow or weak hot water supply
Unusual noises or system error codes
Frequent service calls or rising energy bills
Unit age approaching 12–20 years
We safely remove your old tankless unit and install a new, energy-efficient system engineered for reliable, on-demand hot water and long-term performance.
Choose from top-rated gas and electric tankless systems designed to improve comfort, lower operating costs, and deliver continuous hot water for your home.
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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Signs include inconsistent hot water, frequent error codes, leaks, or a system older than 10–15 years.
Yes, we can upgrade your traditional tank heater to a tankless system for better efficiency and endless hot water.
Most replacements take 3–5 hours, depending on your current setup and any required plumbing or gas line adjustments.
Yes, modern tankless systems are more efficient and only heat water when needed, which lowers energy consumption.
Yes, we handle safe removal and disposal of your old unit during the replacement process.
Yes, all new systems come with manufacturer warranties, and we offer service guarantees for added peace of mind.
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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