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Modern home at golden hour with integrated solar
Simmitri Home™

Comfort • Power • Protection

Engineered home systems for the modern home. Roofing, solar, HVAC, battery backup, and EV charging — designed to work together.

0204

Common Homeowner Problems

If any of these sound familiar, you're in the right place.

High utility bills

Inefficient systems and aging equipment quietly drive monthly costs higher every year.

Inconsistent comfort

Hot rooms, cold rooms, drafty corners, and air quality you can feel.

Outage anxiety

Wildfires, storms, and grid instability leaving your home dark and vulnerable.

A patchwork of contractors

Different trades, different recommendations, no one looking at the whole home.

0304

The E³ Home Process

A clear path from first walkthrough to a home that runs the way it should.

  1. Step 01

    Evaluate the home

    We assess your roof, electrical, HVAC, insulation, and usage — together, not in isolation.

  2. Step 02

    Engineer the right plan

    An integrated, sequenced plan with clear priorities, financing, and incentives.

  3. Step 03

    Energize and support

    Premium installation and long-term support so the system performs the way it was designed.

The E³ Experience

One team. No hand-offs. From first call to lifelong partnership.

Every Simmitri customer moves through the same six-stage journey — led by one Systems Advisor™ from evaluation through EverCare™.

See the full customer journey
  1. 01

    Connect

    One Client Coordinator™ hears your goals — not a rotating salesperson.

  2. 02

    Engineer

    One Systems Advisor™ evaluates the whole property and designs the plan.

  3. 03

    EverCare™

    The relationship continues with monitoring, maintenance, and future upgrades.

Free Interactive Tool

Is your HVAC still under warranty?

Enter your unit's serial number and we'll instantly show its age, remaining 10-year parts warranty, and efficiency rating — no signup, no phone tag.

Takes about 30 seconds.

Customer Stories

Real homeowners. Real results.

Hear from California families who trust Simmitri as their single home-systems partner.

Marin City Townhomes HOA — A Community Success Story

The Marin City Townhomes HOA shares what it was like to bring a multi-building community project to life with Simmitri, and the long-term value it created for residents.

Customer Story — Why They Chose Simmitri

A California homeowner shares the experience of working with Simmitri end-to-end and what changed for their home and energy bills.

Customer Story — The Difference a Trusted Team Makes

A homeowner describes how Simmitri's design-first approach replaced the chaos of juggling multiple contractors with one coordinated plan.

Customer Story — Real Results, Real Service

A long-time Simmitri customer shares why they keep coming back for every energy and roofing project on their home.

Customer Story — From First Call to Final Walkthrough

A homeowner walks through their full Simmitri experience: clear communication, careful design, and a clean finish.

Customer Story — Trust That's Earned, Not Sold

Why this homeowner stopped shopping for contractors after their first project with Simmitri.

Ready to engineer a smarter home?

Comfort • Power • Protection. Engineered Home Systems.

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  • Licensed & insuredCA Lic. #C-46