Every person in solar sales and operations should take our new free course! - Plus, get 1 NABCEP CEU - Introduction to Ethics in Solar Sales

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Courses on solar, heat pumps, building science, energy storage, and more. Get NABCEP, BPI, EPA, IGSHPA, OSHA, FAA certified.

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NABCEP PV Certifications and Credentials

Building Performance Institute (BPI) Certification

EPA Section 608 Technician Certification

International Ground Source Heat Pump Certification

Occupational Safety and Health Administration

Part 107 Certified Drone Pilot

National Fire Protection Association Certified Electrical Safety Programs

Journeyworker Electrical License

Featured Courses

Featured Heat Pumps Building Performance Water Heaters Home Performance Sales

Increasing Residential Heat Pump Water Heater Sales

Learn how to share the advantages of heat pump water heaters with potential customers by addressing their needs, addressing misconceptions and obstacles for adoption, and how to leverage incentives, rebates, and financial options to assist customers.

D+R LEARN and 1 other

Featured Solar NABCEP Design and Installation Inspection, O&M

Introduction to Solar PV Design, Installation and Code

Learn solar basics, conductor sizing, estimating power production, solar code and market applications. This is our most popular free course and best starting point for learning about solar pv systems.

Trending on Heatspring

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Solar Energy Storage

Solar PV Boot Camp + NABCEP PV Associate Exam Prep

Pass the NABCEP PV Associate Exam guaranteed. Over 92% of our students pass, if you don't then retake the course and exam for free. Introductory training for contractors, electricians, and business professionals who want to enter the solar PV industry.

3 Course Bundle Solar

NABCEP PV Installation Professional (PVIP) Certification Prep

All the training required to sit for the NABCEP Solar PV Installation Professional (PVIP) Certification exam.

Sean White and 1 other

30-Hour NABCEP Advanced PV Certification Training and CEUs

Advanced course for experienced solar professionals looking to take NABCEP PV Certification exams or to earn CEUs for recertification. Approved for 30-hours of Advanced PV Training with NABCEP.

Sean White and 1 other

3 Course Bundle Solar

58-Hour NABCEP Advanced PV Certification Training + PV Associate Exam Prep

All the training required to sit for the NABCEP PV Installation Professional certification exam. Includes both NABCEP PV Associate Exam Prep and 40-hour NABCEP Advanced PV Certification Training course.

30-Hour 2023 NEC PV, Energy Storage, Building and Fire Codes

Learn all about the new 2023 National Electrical Code (NEC) in this entertaining and educational course from Sean White

Sean White and 1 other

6-Hour NFPA 70E Electrical Safety Training

Gain electrical safety awareness in this 6-hour crash course on the NFPA 70E Standard for Electrical Safety in the Workplace. Accepted as a prep course for the NFPA CEST Exam.

3 Course Bundle Solar Energy Storage

NABCEP Energy Storage Installation Professional (ESIP) Certification Prep

58 hours of training approved for the NABCEP Energy Storage Installation Professional (ESIP) Certification exam

Sean White and 1 other

7 Course Bundle Heat Pumps Building Performance

Hydronic Heating & Cooling for Residential and Light Commercial Buildings

This bundle of courses is follows the structure of John Siegenthaler's textbook, "Modern Hydronic Heating & Cooling: For Residential and Light Commercial Buildings".

John Siegenthaler and 1 other

65% of Solar Power World's Top Contractors use HeatSpring for employee learning.

New on Heatspring

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Roof Tech University for RT-PLUS

Sehrish Dhanani

APEX University by Roof-Tech

Basic Principles of APEX

Sehrish Dhanani

Roof-Tech University for RT-MINI II

Sehrish Dhanani

Roof-Tech University for Alpha Seal

Sehrish Dhanani

Pre-Order Solar Electrical

Electrical Apprenticeship Training Application - Level 4

Energize US offers a 4-year electrical apprenticeship accredited by the National Center for Construction Education and Research (NCCER). This is where you begin your application for Level 4 (the fourthd year).

Coming Sep 25, 2028

Energize US EDU

Pre-Order Solar Electrical

Electrical Apprenticeship Training Application - Level 3

Energize US offers a 4-year electrical apprenticeship accredited by the National Center for Construction Education and Research (NCCER). This is where you begin your application for Level 3 (the third year).

Coming Sep 27, 2027

Energize US EDU

Pre-Order Solar Electrical

Electrical Apprenticeship Training Application - Level 2

Energize US offers a 4-year electrical apprenticeship accredited by the National Center for Construction Education and Research (NCCER). This is where you begin your application for Level 2 (the second year).

Coming Sep 28, 2026

Energize US EDU

Electrical Apprenticeship Training Application - Level 1 - Fall 2025

Energize US offers a 4-year electrical apprenticeship accredited by the National Center for Construction Education and Research (NCCER). This is where you begin your application for Level 1 (the first year).

Energize US EDU

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2,347,355

Lessons completed in our courses

339

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Featured Articles

Free Course Announcement: Introduction to Ethics in Solar Sales – 1 NABCEP CEU

April 03, 2025

Are you looking to strengthen you and your team’s solar sales strategy while building lasting customer relationships? We’re excited to announce a free course that addresses one of the most critical aspects of solar sales and the success of our […]

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Got Talent? HeatSpring Wants to Help You Bring New Employees into Solar

April 02, 2025

I think we can all agree that the first quarter of 2025 was marked by uncertainty in the U.S. market. We see this in the usual economic indicators, but also in the ‘wait and see’ mood across the industry, as […]

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Aaron’s Story – How Exposure to Solar While Traveling and an Installation Training Launched a Career

March 19, 2025

Join us in celebrating Aaron Nichols, whose inspiring journey from educator to solar industry advocate has been chosen for HeatSpring’s Stay Curious campaign. This initiative highlights the transformative power of education in the clean energy sector, showcasing individuals whose learning […]

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