HVAC & Plumbing Services In San Marcos, CA

We bring a blend of industry experience, local know-how and customer-first service to every job we take on. From the coast to the hills, we understand the individual needs of properties in our region. We’re here to help without the runaround. We’re proud to serve your HVAC and plumbing systems, providing pipe leak repairs, AC installations and more.

San Marcos Air Conditioning Services

From warm spring afternoons to triple-digit summer stretches, San Marcos doesn’t mess around when it comes to heat. That’s why Oasis offers AC repair for systems that need a little extra support and care. From inefficient cooling to drain line leaks, we can assess your unit and provide a comprehensive repair plan.

Additionally, we also provide air conditioner tune-ups and AC installation services. When you need service for traditional units or ductless mini-splits, we’re here to assist you. Whether your system is underperforming or it’s time to upgrade to a newer, more energy-efficient model, our technicians will help you find the right cooling solution. We install trusted brands supported by warranties and free estimates.

Heating Repair, Maintenance And Installation

Even here in San Diego County, cool evenings and chilly winter mornings are part of the seasonal cycle. Oasis provides comprehensive heating services to keep your home comfortable. When you need furnace repairs, heating tune-ups or a full system replacement — we’re ready to serve you.

We work with all brands, and we’ll never recommend a new unit unless you actually need one. With expert diagnostics and comprehensive heater installation skills, our HVAC solutions are designed to extend system life and ensure year-round comfort.

Dependable Heat Pump Installation

Heat pumps are a smart choice for our Southern California climate. They offer year-round temperature control with impressive energy efficiency. This technology is great for homeowners looking to simplify their HVAC setup.

Our team can help you decide if a heat pump is the right fit, walk you through your options and handle installation with precision. With our labor warranty and deep product knowledge, Oasis makes switching to a heat pump easy and stress-free.

Water Heater Installation And Repair

Hot water shouldn’t be a luxury — it should be a guarantee. If your water heater is leaking, delivering inconsistent temperatures or simply too old to keep up, Oasis is here with repair and replacement services tailored to your needs.

We work with traditional and tankless hot water heaters to provide you with ultimate home comfort. From installation to repair, we handle everything with clear communication and no high-pressure tactics. Wash off the sand from Mission Beach Park or Moonlight State Beach — no cold showers necessary!

Your Trusted San Marcos Repipe Specialists

Older homes in San Marcos can sometimes come with aging pipes. If you’re noticing discolored water, frequent leaks or low water pressure, a whole-home repipe might be the solution.

We specialize in repiping services that protect your home from future damage and improve water quality and flow. Our team works quickly and efficiently. Trust us to respect your time, your property and your budget.

Thorough Fixture Installations — From Kitchen To Bathroom

Faucets, toilets and garbage disposals — oh my! Your home is full of critical plumbing fixtures, from the center of your kitchen to the corners of your bathroom. These appliances are necessary for hygiene, cleaning and hydration

We install faucets, showers, tubs, toilets and garbage disposals with attention to detail and a clean finish. Whether it’s a single fixture or part of a larger project, you’ll get straightforward service from a local team that shows up on time and gets the work done right.

Emergency Plumbing Services In San Marcos, CA

Plumbing issues don’t always wait to happen when it’s most convenient for you. That’s why we offer emergency plumbing services for urgent situations — like major leaks, clogs or sudden water heater failure. Oasis is standing by to assess the situation and take action to stop damage and restore function to your system.

Water Softeners And Filtration Systems

San Marcos homeowners know the struggle — hard water spots, buildup in appliances and concerns about tap water quality. We install whole-home water softeners and drinking water systems that protect your plumbing and give your family cleaner, better-tasting water.

Our systems are built to last and cater to your specific water needs. We’ll help you choose a solution that improves performance and peace of mind.

Commercial Plumbing And AC Services

Businesses in the greater San Diego area rely on steady airflow and dependable plumbing just as much as homeowners do — if not more. Oasis provides commercial HVAC and plumbing services for retail spaces, offices, warehouses and more.

From new builds to tenant improvements, we handle installations, upgrades and routine maintenance with speed and precision. We also provide prompt diagnostics and repairs to keep your operations running smoothly with minimal disruption. After all, we’re in the business of making yours run smoothly.

The Best Home Service Company In The San Diego Area

We’re proud to be the go-to HVAC and plumbing company for homeowners in San Marcos and throughout the San Diego area. From free estimates to no-pressure service, you’ll always know what to expect when you work with Oasis Plumbing, Heating & Air Conditioning.

Whether you’re a homeowner in Richland Villas or Santa Fe Hills, you can count on Oasis for honest answers and quality results. Contact us today to schedule your service or request a free estimate — we’re ready when you are.