"The sun shines for us all"

Reliable HVAC/R, Plumbing & Energy Designs for Your Next Build

Helios Mechanical Systems delivers precise mechanical plans for residential multi-family and commercial builds — engineered for permit success and seamless architectural integration.

Serving architects across the Five Cities region, San Diego, and all of Southern California.

About Helios Mechanical Systems

At Helios Mechanical Systems, we specialize in HVAC, plumbing, energy, and traffic control planning for California’s top architects and developers. Our mission is simple: deliver clear, code-compliant designs that help projects move forward — fast.

Precision in Design

Every detail matters. Our plans are thoughtfully engineered for buildability, efficiency, and full jurisdictional compliance.

Reliable Partnerships

We don’t just deliver plans — we build trusted working relationships with architects, builders, and officials.

Permit-Ready Results

Our experience with city and county requirements ensures smoother approvals and fewer revisions.

Designed for Architects. Trusted by Builders.

Founded with the goal of simplifying the mechanical planning process, Helios combines technical expertise with a builder’s mindset. We’re not just drawing lines — we’re helping shape California’s future builds.

All across Southern California, Helios is proud to support the industry’s most forward-thinking firms with fast, reliable, and code-aligned solutions.

What We Provide

Helios Mechanical Systems provides reliable, permit-ready plans tailored for architects and builders — from HVAC and plumbing to energy compliance and traffic control.

HVAC/R System Design

Load calculations and complete HVAC layouts for commercial and multi-family residential projects — optimized for efficiency and code compliance.

Plumbing Plans

Precise plumbing schematics including risers, waste, and water distribution — fully coordinated for permit approval.

Energy Compliance

Title 24 and CALGreen documentation to meet California energy codes. Delivered fast and accurate for submission.

Traffic Control Plans

ATSSA-certified traffic plans for construction zones and access routes — designed for safety and jurisdiction compliance.

Project Specialties

Our team is trusted across California for delivering permit-ready plans across a wide range of build types.

Multi-Family Residential

Custom Homes

Tenant Improvements

Educational Facilities

Public Sector

Retail & Mixed-Use

Energy Upgrades

Traffic & Safety Planning

Licensed. Trusted. Compliant.

Our engineering team is certified, field-tested, and committed to building code-compliant systems that pass inspection with confidence.

Licensed PE Engineers

Our plans are stamped and professionally certified for submission.

ATSSA Certified

We deliver safety-compliant traffic control plans that meet strict state and city requirements.

Title 24 & CALGreen

Energy documentation and mechanical design that aligns with California green building codes.

Architect-Aligned

We work directly with your architectural team to ensure seamless plan integration.

Let’s Build Something Better

Whether you're planning a new build or need mechanical plans designed for permit approval, Helios is your trusted partner. Let’s talk.

Call Us Today