BPI Building Analyst, Envelope & IDL Combo

The Ultimate Home Energy Auditor Package

Throughout this training, you'll learn how to use diagnostic equipment, such as a blower door, duct blaster, and carbon monoxide detector, to perform a comprehensive home energy audit inspection.

You'll also gain the building science knowledge and envelope-specific competencies to understand whole-house energy efficiency issues.

  32.5 HOURS
energy code compliance testing

Benefits of BPI BA-ENV-IDL Certification

Take this course if you want to become an expert in home energy auditing!

Start a New Career

Begin working in the home performance industry with three nationally-recognized certifications!

Gain New Clients

If you already work for a HVAC or trade company, you can add home energy auditing as a new service and reach more customers!

Grow Your Business

Qualify for utility rebate programs that require technicians with BPI Certification.

"Good training and local. I like the fact that everything is in one place. I was able to take the written and field test at the same location as training. Excellent instructor."

- Wayne King


How to Get BPI BA-ENV-IDL Certified

Our BPI training classes include everything that you need to get certified.
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1. Take Our Course

Our self-paced online program consists of several short video presentations. Simply follow along on your computer.
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2. Take Your Exams

As a BPI Test Center, we include the written & field certification exams with our training package.
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3. Get BPI Certified

Log into your BPI.org portal to get your scores for the written and field certification exams.

BPI BA-ENV-IDL Combo Topics

Our BPI Building Analyst and BPI Envelope certification courses are aligned with the Building Performance Institute's (BPI) standards for home energy auditing, while BPI Infiltration & Duct Leakage teaches you how to physically set up and operate the blower door and duct blaster equipment.
energy auditors

What You'll Learn

  • Principles of Energy
  • Basics of Heat, Moisture & Airflow
  • Building Structural Elements
  • Types of Insulation
  • Thermal & Pressure Boundaries
  • Building Mechanical Elements
  • Blower Door & Pressure Diagnostics
  • Duct Testing
  • Duct Tightness Verification
  • Combustion Safety
  • Common Problems & Solutions
  • The Energy Audit Process
  • Building Envelope Chemistry
  • Health & Safety

BPI Course Materials

Regardless of which format you choose – Online or Blended – you will receive:

Everything You Need to Succeed

  • Building science knowledge training
  • Equipment skills training
  • BPI Building Analyst written exam ($450 value)
  • BPI Building Analyst field exam ($600 value)
  • BPI Envelope written exam ($450 value)
  • BPI Envelope field exam ($600 value)
  • BPI IDL field exam ($600 value)


If you register for our blended course, you will watch our online training videos and then appear in person for hands-on field training with equipment and your written/field certification exams.

If you sign up for our online class, you will watch our online training videos and then schedule to have your written/field certification exams proctored when you're ready.

BPI Test Center

Choose Your Location & Time

Sign up at least 2 weeks before the in-person course start date to automatically get a $400 discount!
BPI Building Analyst, Envelope & IDL training schedule
Location Info
Online - you can start right now!
BPI Field House
Portland, OR 97232
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8 AM - 5 PM
BPI Field House
Tampa, FL 33601
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8 AM - 5 PM
BPI Field House
Austin, TX 73301
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8 AM - 5 PM
BPI Field House
Augusta, ME 04330
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9 AM - 5 PM
8425 Old Statesville Road
Charlotte, NC 28269
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8 AM - 5 PM
8 AM - 5 PM
BPI Field House
Mansfield MA 02048
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8 AM - 5 PM

Register for BPI BA-ENV-IDL Training

Everblue’s BPI Building Analyst, Envelope & IDL Combo program includes everything you need to get certified – all in one package.

Sign up at least 2 weeks before the in-person course start date to automatically get a $400 discount!
bpi ba-idl-env combo savings



Start NOW!
Learn at Your Own Pace
Participate Any Time 24/7
Watch from Any Device
Enjoy 6-Month Access
Watch Field Training Videos
Proctored Exams



Online, Instructor-Led
Learn at Your Own Pace
Participate Any Time 24/7
Watch from Any Device
Enjoy 6-Month Access
Get Hands-on Equipment Training
In-Person Proctored Exams

"Tony was a great instructor - very knowledgeable on the subject matter - very clear in presentation - very willing to spend the needed time to help the student understand difficult concepts - And his prep on the field exam was clear and flowed from one process to the next easily."

- Donald Barber


Quick Answers to Your BPI Questions

Who is this class intended for?

This course is ideal for HVAC technicians, general contractors, home inspectors, home builders, electricians, and anyone else interested in a career in home energy auditing and blower door testing.

Are there any prerequisites?

No, you can begin training today!

What energy auditing equipment will I need?

If you register for our blended format, we will provide all equipment for the training and testing. If you register for the online (self-paced) format, you will need to buy, borrow, or rent the following equipment:

  • Blower door
  • Duct blaster
  • Manometer (comes with blower door kit)
  • Ambient CO monitor
  • Mirror
  • Combustion analyzer
  • Pressure pan
  • Fan flow meter

When you register for this course, you will automatically receive energy auditing equipment discounts from leading equipment manufacturers, such as Retrotec, The Energy Conservatory, and TruTech Tools.

Are the exams included with this course?

Yes. If you take the blended version of the course, you'll complete your written and field exams at the end of the week.

If you took the online version of the course, you will need to find a home that meets the BPI Standard, obtain the required field equipment, and contact us to proctor your exam when you're ready.

How do I begin the online training?

After you enroll, you will receive an automated email from the Everblue system with your unique username and password to Everblue’s secure online learning portal.

How soon after taking my exam am I certified?

You will know your written exam score immediately upon completion. We are required to submit your field exam score to BPI within 24 hours. BPI will ultimately determine whether or not you passed the field exam and will share your certification status in their online candidate portal. BPI will mail out a paper certificate and ID card, within 4-6 weeks after certification is awarded. However, you may begin work functions immediately after you confirm your certification status online.