Expert Heating Installation in San Marcos with Guaranteed Workmanship

Ensuring Warmth & Comfort for Every Home

When the winter chill sets in, having a reliable heating system isn’t just a luxury—it’s a necessity. At Oasis Heating & Air Conditioning, we understand the pivotal role a warm home plays in your family’s comfort. With decades of expertise under our belt, we’ve cemented our position as one of the top HVAC contractors in San Marcos.

Our skilled technicians are not just trained—they’re continuously updated with the latest in heating and furnace technology. Whether you’re considering a gas furnace installation, general heater installation, or exploring energy-efficient options, we’ve got the knowledge and tools to ensure the job’s done right.

But our services don’t just end at the installation. We offer an array of heating solutions tailored to the diverse needs of homeowners throughout San Marcos and the wider county. Every furnace or heating system we install is meticulously chosen based on your home’s unique specifications and your personal preferences.

Your peace of mind is paramount to us. That’s why we don’t just promise quality—we guarantee it. All our heating services, from furnace installation to routine maintenance checks, come with extended warranties on equipment and labor. We pride ourselves on transparent pricing, professional services, and an unwavering commitment to your satisfaction.

So, when you think of heating services in San Marcos, CA, think Oasis. We’re here to keep you warm, no matter how cold it gets outside.

Comprehensive Heating Solutions Tailored to Your Home

Deciding on the ideal heating system for your home can be daunting, especially with numerous options available in today’s market. Whether you aim to upgrade your living space with a contemporary, energy-efficient heater, replace a dated and inefficient system, or you’re just venturing into the realm of indoor heating, we’re the trusted choice for heater installations that are executed promptly and professionally.

Our seasoned team possesses an expansive knowledge base, encompassing an array of heating systems, ensuring your home gets the most suited fit. We specialize in:

  • Gas Furnaces: Renowned for their efficiency and longevity, these are among the most popular choices for homeowners.
  • Heat Pumps: These versatile systems can both heat and cool your home, offering year-round comfort.
  • Custom Heaters: For those unique spaces or specific needs, we offer tailored heating solutions designed with you in mind.
  • Electric Furnaces: An alternative to gas, these furnaces can be ideal for homes without access to natural gas.
  • Ductless Systems: Perfect for homes without ductwork or for specific zones in your home, offering flexibility and efficiency.
Stay Cozy with Oasis

Navigating the heating landscape can seem complex. If you’re uncertain about your current heating system or overwhelmed by the choices for a new one, we’re here to assist. Let us simplify the process for you. Schedule an in-home consultation with our furnace installation specialists. They’ll guide you through the options, ensuring the selected system aligns with your comfort needs, the spatial requirements of your home, and your budgetary considerations.

Signs It’s Time to Replace Your HVAC System

Age: Like any mechanical system, it will fail overtime.

High Energy Bills: Older models are less efficient & will lose efficiency as they get older.

Frequent Repairs: Repairs aren’t uncommon, but if they are required often, the system is likely at the end of its lifespan.

Frequently Asked Questions

What makes Oasis Heating & Air Conditioning the go-to choice for furnace installation in San Marcos?

We’re not just experts, we’re also your neighbors! With years of hands-on experience and a commitment to the San Marcos community, we ensure top-tier services and real relationships with our clients.

Everyone's talking about ductless systems. What are they?

Ductless heating, often called mini-splits, offers targeted heating without the need for extensive ductwork. It’s a sleek and efficient option, especially for homes with unique layouts or room-specific heating needs.

I'm on the fence: electric furnace or gas furnace?

Each has its distinct advantages! Heat pumps are versatile, providing both heating and cooling, and are typically more energy-efficient in milder climates. Gas furnaces heat up faster and can be more cost-effective in regions where gas prices are low. Let’s discuss your specific needs to help you pick the right option for your home!

It's my first time considering a furnace. Can you guide me?

Of course! Picking the right furnace is crucial, and we’re here to walk you through every step. We’ll evaluate your space, discuss your needs, and recommend the best options within your budget.

Trusted HVAC & Plumbing Excellence in San Marcos: Experience the Oasis Advantage

100% Satisfaction Guarantee

Providing top-tier HVAC & plumbing 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 & plumbing fields, 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 home comfort needs.

Fair, Upfront Pricing

Marrying excellent AC, heating & plumbing 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 to ensure home comfort without the 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

    Ready to Get Started?

    Schedule Appointment

    Contact us to schedule your in-home free consultation.


    Home Evaluation & Customized Plan

    We will help you to determine the best system for your home based on your needs, space, and budget.


    Install & Execute

    Our team will install the system of your choice and ensure it works perfectly.

    Don’t Listen to Us.
    Listen to Our Past Clients.