Your Coast-to-Coast Comfort: Dependable HVAC in LA County & Orange County

Coastline Mechanical Inc. is your fully licensed (C-20: 1141061) and insured local HVAC partner.

(424) 254-8781

Schedule Your AC Tune-Up Now!

From AC Repair to New System Installation: We Keep the Coast Comfortable.


As a dedicated C-20 licensed HVAC contractor, Coastline Mechanical Inc. specializes in delivering superior heating and cooling solutions for your home or business. We focus on energy efficiency, reliable performance, and lasting results for every client in the Los Angeles and Orange Counties.


Coastline Mechanical Inc. provides customized and licensed HVAC solutions across Los Angeles and Orange Counties. Whether you need reliable service for your home or a complex system for your business, we specialize in maximizing energy efficiency, ensuring system reliability, and delivering lasting comfort. We offer expertise in four key areas to cover all your heating and cooling needs.

HVAC technician kneeling, inspecting an air conditioning unit outside near a brick wall.

Residential & Commercial HVAC Repair

Don't let a system failure disrupt your home or business. Our certified technicians specialize in rapid, accurate diagnostics and dependable repairs for every type of AC and furnace. We quickly restore comfort and efficiency to properties across LA and Orange County.


Fast, Reliable Diagnosis and Fixes for All Makes and Models.

Man working on an electrical panel outside a building; he wears a cap and is smiling.

System Replacement & Upgrades

Upgrade outdated systems with modern, high-efficiency heat pumps, AC units, or furnaces. We handle the entire process, from sizing and removal to seamless installation. We are proud to offer FREE estimates on all system replacement projects to ensure transparency and cost-effective comfort.


Maximize Savings and Comfort with Modern HVAC Technology.

HVAC unit on a concrete pad next to a building with windows. Bright blue sky.

New AC System Installation

Whether for new construction or adding cooling to an existing property, we ensure your new air conditioning system is perfectly sized and professionally installed for optimal performance. Our commitment to quality guarantees efficiency and reliability. Contact us today for a FREE installation estimate.


Perfectly Sized AC Installation for Lasting Coastal Comfort.

HVAC technician kneels, connecting copper tubes to an AC unit outside a red building.

Furnace & Heating Solutions

We cover all your heating needs, from meticulous furnace repair and troubleshooting to the safe installation of new, high-efficiency heating systems. Ensure your property is warm when needed with our licensed expertise. We offer FREE estimates on all new furnace installations.


Safe, Dependable Heat for Homes and Businesses.

What Our Customers Are Saying

At Coastline Mechanical Inc., we pride ourselves on delivering exceptional service. But don’t just take our word for it—here’s what our satisfied customers have to say about their experiences with us.

About Us

Coastline Mechanical Inc. was founded to bring top-tier, licensed HVAC expertise to homeowners and businesses throughout Long Beach and the surrounding communities. Since 2022, our licensed team has committed to a standard of quality that goes beyond the quick fix, focusing on long-term, energy-efficient comfort. We believe in transparency, educating our clients, and delivering guaranteed results with every heating and cooling project.

Why choose Coastline Mechanical Inc.?

Checkmark symbol.

Licensed & Certified Expertise

Fully licensed in California (C-20, #1141061), guaranteeing work that meets the highest industry and safety standards.

Checkmark symbol.

Commitment to Quality

We use top-quality equipment and meticulous installation practices to ensure your HVAC system is efficient, reliable, and performs for years to come.

Checkmark symbol.

Energy Efficiency Focus

We maximize your system's performance to reduce utility bills and minimize your home's long-term environmental impact.New Paragraph

Checkmark symbol.

15+ Years Experience

Our long-standing industry knowledge ensures every repair and installation is performed correctly by seasoned, trusted professionals.New Paragraph

What Our Customers Are Saying

At Nashville Electric Pros, we pride ourselves on delivering exceptional service. But don’t just take our word for it—here’s what our satisfied customers have to say about their experiences with us.

Serving a 50-Mile Radius: LA & Orange County

Coastline Mechanical Inc. proudly extends its C-20 licensed heating and air conditioning services throughout a 50-mile radius from Long Beach, covering key residential and commercial areas in Los Angeles and Orange Counties. Check our primary service areas below and call us today.


Rancho Palos Verdes

Palos Verdes Estates

Rolling Hills Estates

Rolling Hills

Cypress Miniature

Stanton

Fountain Valley

Buena Park

Fullerton

La Mirada

La Habra

Norwalk