Net Twenty Consulting

About Us

About our owners

Experience You Can Trust — Because we’ve built multi-million dollar HVAC companies ourselves.

Michael Monnier

Michael is a licensed California C-20 HVAC contractor and a graduate of California State University, Sacramento, where he earned a degree in Economics.
With more than 15 years in the HVAC industry, Michael has combined field experience with financial and strategic expertise to help transform Rocklin Heating & Air into a scalable, data-driven company built on systems and profitability.

Today, he leads the business consulting division, helping HVAC owners gain control of their numbers, optimize margins, and prepare their companies for sustainable growth or acquisition.

Expertise:

Erik Monnier

Erik Monnier is a first-generation professional contractor based in California who brings energy, expertise into every project.
licensed California C-20 HVAC contractor for over 30 years, Erik is the operational engine behind Rocklin Heating & Air’s statewide success — ranked #4 out HVAC contractors in California and #1 in Northern California after completing more than 7,250 building permits with zero complaints.

A proud graduate of Universal Technical Institute (1987), where he finished in the top 1% of his class, Erik now ranks among the top 1% of 350,000 California contractors on BuildZoom.
He also serves as a certified expert witness for mechanical systems and operations in California courts.

Within the consulting practice, Erik helps HVAC owners strengthen their field performance, improve training and accountability systems, and create operational structures that deliver world-class results.

Professional Highlights

Rocklin Heating & Air at a Glance

Brad Monnier

Brad has been the relationship builder and growth driver behind Rocklin Heating & Air since day one.
His ability to connect with customers, motivate teams, and create trust in the community helped fuel the company’s long-term success.

Now, Brad shares his expertise with other owners who want to strengthen their sales culture, develop leadership alignment, and grow revenue without sacrificing integrity.

Professional Highlights

Together: Operators Turned Advisors

The Monnier family have lived every part of the HVAC journey — from long nights in the field to managing aspects of a thriving business. They know what it takes to run a profitable, sustainable HVAC business because they’ve done it themselves.

Today, through their HVAC Business Consulting practice, they help other owners do the same — with proven systems, measurable financial results, and a real-world understanding of the industry.

Now,  we help other HVAC business owners do the same — faster, cleaner, and with fewer mistakes.
Increased profit margins to 20% for multiple HVAC, plumbing, and electrical companies

My Approach:

What Drives US:

After years of running an HVAC companies, we realized that most owners are great mechanics and field workers, but don’t always have the structure or systems they need to scale.

We help business owners streamline their operations so they can focus on what they do best — contracting.

Our goal is to close that gap — helping business owners run smoother, more profitable companies and create freedom for themselves and their families.

Let’s talk about your goals

You’ve built something worth protecting — let’s make it stronger, more profitable, and ready for whatever’s next.
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