San Marcos, CA

Stay cool all summer long with expert AC services in San Marcos, CA. At Oasis Plumbing, Heating & Air Conditioning, we provide fast, reliable air conditioning repairs, replacements and tune-ups for homeowners throughout the area. Whether your system needs a quick fix or a full upgrade, our licensed technicians deliver honest service and top-notch workmanship.

We specialize in ductless mini splits, new construction AC installs and energy-efficient solutions tailored to San Diego County’s climate. For comfort you can count on, trust the local AC experts at Oasis.

When temperatures drop in San Marcos, CA, Oasis is here to keep your home warm and comfortable. We offer full-service heating solutions, including furnace repairs, heater replacements and seasonal tune-ups.

Our locally owned team understands what San Marcos homes need to stay cozy — without wasting energy. Whether you have a gas furnace or heat pump — or are building new — we provide reliable service backed by honest pricing and a 10-year labor warranty on installations. Don’t get stuck in the cold — count on Oasis for all your residential heating needs.

For energy-efficient comfort year-round, homeowners in San Marcos, CA are turning to heat pumps. At Oasis, we specialize in heat pump installation, replacement and maintenance — helping you stay cool in the summer and warm in the winter with one system.

Heat pumps are a perfect match for the San Diego climate, offering efficiency, versatility and savings on energy bills. Whether you’re upgrading your HVAC or installing in a new home, our experienced team delivers high-quality heat pump services with free estimates and long-lasting results.

From small repairs to major upgrades, Oasis offers dependable plumbing services for homeowners in San Marcos, CA. Our licensed plumbers handle everything from water heater repair and installation to leak detection, water softeners and repiping.

We know how important it is to keep your home’s plumbing running smoothly, which is why we provide transparent pricing, quality workmanship and friendly service every step of the way.

Locally owned and operated, Oasis is proud to be San Marcos’ trusted name for residential plumbing solutions. Get in touch with our team to enhance the efficiency of your plumbing system, from repairing pipe leaks to unclogging toilets.

Clogged or slow-moving drains? We’ve got you covered. Oasis provides expert drain services in San Marcos, CA, including drain cleaning, hydro jetting and sewer line repairs. Whether it’s a recurring kitchen sink clog or a bigger issue beneath your home, our team uses advanced tools like camera inspections to locate and fix the problem fast.

We take the stress out of drain issues with fast, professional service and long-lasting solutions. If your drains aren’t flowing like they should, call the local experts at Oasis.