Southwest Mechanical builds long-term relationships by delivering reliable, full-service support for all of your building needs at competitive prices. We provide engineering, design, maintenance, parts, labor, due diligence reports and energy conservations services. As a certified vendor with Compliance Depot, NetVendor, and RMIS, you can trust that we provide the high level of quality and service that your company deserves.


hvac service los angeles


We service all types of systems – Water Source Heat Pumps, Chilled Water, Split and Package DX, Garage Exhaust, Hydronic, Air and Water Cooled, Commercial Kitchen and Hospital Systems, and much more.

boiler service los angeles


We provide service, repair and replacement on Domestic Hot Water, Space Heating, Pool & Spa Heating, Industrial Systems, and Thermal Solar Assistance Systems.

commercial plumbing los angeles


Our plumbing department services every part of your plumbing systems, piping, drains, sump pumps, fire pumps, domestic cold water pump systems, fixtures and controls.

general contractor los angeles


Our general contracting experience allows us to maintain your property’s building needs as well as rebuild and repair roofs, walls, sidewalks, windows, doors, railings, fences, driveways, and so much more.


General contractors, property owners and management companies have depended on Southwest Mechanical to design, build, and service their HVAC, plumbing, boiler & hot water, electrical and energy management, systems for 15 years in Southern California.

Locally Based

Based just outside of Los Angeles, we’re easily accessible and have an understanding of the unique region in which we work.

Approved Vendor

We are a certified vendor with Compliance Depot, NetVendor, and RMIS, making your vendor selection process simple.

Fast Response

We respond quickly to your needs for service, usually within the same day or next day. Why wait for comfort?

Quality Workmanship

Our job is not just to do a “quick fix”, but to thoroughly inspect, diagnose, and solve any issues with your equipment and parts.


In business for over 15 years, our experienced staff is thoroughly knowledgeable and experienced in our industry.

Competitive Pricing

Our goal is to provide you with service for the long term, so it’s important for us to provide value at competitive rates!

Is Your Property in Need of Service Today? We Can Help!

Call Now Button