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When you're ready to extend your swimming season and enjoy comfortable water temperatures, Florida Keys Air Conditioning provides professional pool heater installation serving Marathon, FL, and the Middle Keys. Our licensed, veteran-owned team helps you choose and install the perfect heating solution for your pool. We work with trusted brands to ensure reliable performance:

• Rheem pool heaters
• Trane heating systems
• Energy-efficient heat pumps
• Gas and electric options
• Mitsubishi Electric heat solutions

If you're upgrading an existing system or installing a new heater, reach out to us for guidance.

• Existing heater is over 10 years old
• Rising energy bills from an inefficient unit
• Inconsistent water temperatures
• Frequent repairs and breakdowns
• Building a new pool
• Need to reduce heating costs

Since 2013, Florida Keys AC has been the trusted choice for pool heater installation serving Marathon, FL, and the Middle Keys. As a locally owned, family-run, military-operated business, we bring over a decade of experience to every project. Here's what sets us apart:

• Licensed professionals (Lic#CAC1816332)
• Same-day free estimates available
• Price match guarantee on new units
• Military and first responder discounts
• $250 off new equipment installations
• FKEC rebates to lower costs
• Customer referral credits of $50
• Premium brands including Trane and Rheem

We're committed to exceptional customer service and ensuring your complete satisfaction with every installation.

Ready to enjoy a perfectly heated pool in Marathon, FL? Our experienced team makes pool heater installation straightforward and stress-free. We'll handle everything from selecting the right equipment to professional installation and testing. Take advantage of our new equipment discounts, military savings, and price match guarantee. Contact us today to schedule your same-day free estimate and start enjoying comfortable swimming temperatures all year long.