Homeowner looking for a Contractor? Check out the Clean Energy Connection

We Support Clean Energy Contractors

about efficiency first california

Who We Are

And Why It Matters

Efficiency First California (EFCA) is a non-profit trade organization that represents and promotes clean energy contractors in California. For over 20 years, we have helped contractors like you succeed. 

EFCA is directly involved in state policy discussions. One of our core responsibilities, as a trade organization, is to help contractors be aware and involved in state energy policy. 

Policymakers on the local, state, and federal levels often reach out to us directly to better understand the contractor’s perspective. The contractor’s perspective is crucial in policy discussions. We listen to and advocate for you, the contractor.  

We partner with industry stakeholders who share our common goals. Working collaboratively, we have been able to influence policy on a large scale.

We want to help you grow your business. Our monthly blog and advocacy update help you make well-informed decisions about the future of your business. We represent your best interests for sustainable, fair, and unbiased business models. We have an extensive list of industry contacts. If you need help, reach out and we can likely help you with whatever issues you’re experiencing.

training & events for clean energy & energy efficiency

28 Apr

Residential HVAC Design for Quality Installation Using ACCA Manuals J®, S®, D® & T® Day 1 – Manual J: Residential Design

8:00 am - 4:30 pm

Course & Workshop Details Three-Day Workshop Dates: (In-Person / Tulare) Day 1 - Tue. Apr 28, 2026 Day 2 - Wed. Apr 29, 2026 Day 3 - Thur. Apr 30, 2026 Description: This first day will lay the foundation for understanding residential HVAC load calculations, ensuring participants are well-equipped to proceed with more advanced concepts in the following sessions. Agenda: Introduction to Heat Transfer Measurement Essentials Guidelines and Limitations Design Conditions Fenestration Analysis Opaque Surfaces Duct System Loads Manual J Speed-Sheet

Find out more
28 Apr

Electrify Efficiently: Electrification Opportunities for General Contractors & Architects

9:00 am - 10:30 am

Course description: Electrification is now the leading option for new buildings and major retrofit projects in California. 70+ municipalities have policies to phase out gas appliances and the state aims to have six million heat pumps installed by 2030. This will require a major paradigm shift in the way builders, architects, and related professionals approach the market. It also presents a giant opportunity to frame yourself or your business as an electrification expert. In this session, Electrify My Home will

Find out more
29 Apr

Residential HVAC Design for Quality Installation Using ACCA Manuals J®, S®, D® & T® Day 2 – Manual S: Residential Equipment Selection

8:30 am - 4:00 pm

Course & Workshop Details Description: Day 2 will ensure that participants are proficient in selecting and sizing residential HVAC equipment and know how to make decisions based on accurate performance data and home-specific considerations. Some Manual D content may be introduced on day two as well. Agenda: Overview of Manual S Cooling and Heating Equipment Selection Electric Heating Coils and Furnaces Boilers and Hydronic Systems Dehumidification and Humidification Equipment Performance Data Analysis Applying Principles to Heat Pumps, Furnaces, and Boilers

Find out more
30 Apr

Residential HVAC Design for Quality Installation Using ACCA Manuals J®, S®, D® & T® Day 3 – Manual D and T: Residential Duct System Design

8:30 am - 4:00 pm

Description: Day 3 session ensures participants can design efficient and effective duct systems for residential HVAC applications. By the end of the day, students can apply Manual D principles to real-world scenarios, ensuring they can deliver top-quality ductwork designs. Manual T will cover how to properly select and place supply registers and return grilles to ensure correct air throw, spread, mixing, and comfort, so air reaches the space effectively without drafts or hot/cold spots. Agenda: Significance of Duct Design Duct Materials and

Find out more

California Contractor Advocacy

Building a clean energy future for all

Efficiency First California is actively engaged in California policy. We monitor communications from the California Energy Commission and the California Public Utilities Commission. When needed, we provide feedback to ensure regulations and policies consider the contractor’s role and the implications proposed regulations may have on contractors. 

Your feedback as a contractor is critical for our efforts. We encourage your participation in policy discussions. We feel it is our role to represent your perspectives.

Monthly Newsletter

Sign up to get the information you need

Every month you can get details regarding important news and updates on clean energy, energy efficiency, trade shows, and the latest policy developments.  

Check out our blog where you can get the information that matters to you and your business.

Resources

House calculations graphic

Calculators

Book graphic

Industry-Specific Education

Reading graphic

Industry Acronyms

our projects

Clean Energy Connection

Free leads for contractors. Free referrals for homeowners.

EFCA’s Clean Energy Connection contractor directory helps homeowners connect with local, vetted contractors with proven expertise on clean energy and electrification projects. 

We built the Clean Energy Connection to provide free leads to contractors and promote the growth of the industry as a whole.

It’s reliable, free, and it helps to grow and support our state’s clean energy workforce.

our commitments

Program Administrator for Sacramento Municipal Utility District

EFCA leads the way in rebate program management

We have been a key player in providing utility support services to different entities like TECH, SGIP, and PG&E, particularly as a program implementer for Sacramento Municipal Utility District (SMUD) incentive programs.

Our success has made EFCA a valuable resource for rebate program designers and implementers. We openly share our processes with others so they can also create successful programs, with the ultimate goal of making things easier for contractors (and homeowners).

Our Partners

sponsorship opportunities

Become a sponsor for EFCA’s upcoming events and open doors to connect, engage, and inspire both Clean Energy Connection (CEC) & Efficiency First California (EFCA) members.

For inquiries and more information, please reach out to our sponsorship team by clicking here.