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HVAC furnace unit with connected ductwork and refrigerant lines installed in an attic

Heating

The Best Heating Services in San Marcos

Stay Warm With Trusted Local Heating Experts

When the coastal chill settles into San Marcos, Oasis Plumbing, Heating & Air Conditioning is here to keep your home cozy. We specialize in residential heating services designed for the unique needs of San Diego County homes — from older systems to modern energy-efficient upgrades.

Our licensed team handles furnace repairs, furnace replacements, routine maintenance, and complete heating system installations. Every HVAC installation is backed by our 10-year labor warranty, and we always provide free estimates and transparent pricing. Need urgent help? We offer emergency heating services so you’re never left in the cold.

Locally owned and operated since 2022, Oasis brings comfort, honesty, and hometown pride to every job. Whether you’re in San Marcos, Escondido, or anywhere in North County, we’re your go-to heating pros.

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