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At Oasis, we believe that nothing should prevent you from being comfortable in your own home – especially not your budget. Our financing options help make a high-quality HVAC system a possibility for everyone.

Purchase Now, Pay Over Time

Enjoy the convenience of a simple, straightforward path to your new system! We offer traditional financing through Finance of America. The application process is completed 100% online and is simple, quick, and with fast approvals.

Foundation Finance Benefits
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Online application

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No-payment plans (subject to credit approval)

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Fixed Rates

And various plans

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Fast Results

with no obligation

Apply Now and Receive Your Pre-Approval in Minutes


Trusted HVAC Excellence in San Marcos: Experience the Oasis Advantage

100% Satisfaction Guarantee

Providing top-tier HVAC services is our standard. With warranties that exceed the usual industry standards for both equipment and labor, our utmost priority is to ensure your complete satisfaction with every project.

Experienced & Knowledgeable

Boasting over three decades in the HVAC field, our team delivers unparalleled expertise to every task. Our commitment to ongoing training and learning guarantees state-of-the-art solutions and premier service for all your heating and cooling needs.

Fair, Upfront Pricing

Marrying excellent heating and cooling expertise with clear, upfront pricing is our pledge. You can anticipate competitive rates without any unexpected costs or hidden charges, and our install and replacement estimates will always be free!


We firmly believe that everyone deserves optimal indoor comfort, regardless of budget constraints. Explore our flexible financing options and bring home a premium heating and cooling system without financial stress.

Above and Beyond Factor

Our dedication to excellence is not just about systems and solutions. It is about the relationships we build. Every interaction, big or small, is valued. We strive to ensure that everyone—whether a loyal customer or a first-time inquirer—feels the depth of dedication and expertise our team brings.

Give Us a Call! Or Let Us Contact You!
(619) 626-2499