BPI Infiltration and Duct Leakage Certification

Blower Door Testing & Duct Leakage TrainingBPI Test Center Logo

The BPI IDL Certification fills a void in new home construction by ensuring that homes are built properly from the start, with energy efficiency in mind.

In addition, building codes across the country are starting to require blower door and duct leakage testing from a third-party certified professional. The BPI IDL Certification will satisfy these code requirements.

• Why Everblue?

• Corporate Training

The Fastest Way to Get BPI Certified

Our BPI training classes include everything that you need to get certified. We're here to help you improve your career and expand your business opportunities. Start your BPI IDL course today!

Overview Course Formats Topics Materials SCHEDULE Pricing Bundle & Save

Take THIS COURSE if...

...you want to get certified in blower door and duct testing!

The BPI IDL Certification prepares you to comply with mandatory state building codes that require blower door and duct leakage testing from a certified third party.

We will teach you everything you need to know to successfully set up and operate this equipment. With the field certification exam included, this course is expertly packaged to help you earn a blower door certification and expand your business offerings immediately!

How to Get BPI Certified

1) Pass a Field Exam

• There are no prerequisites. Begin training today!

Who Should Take This Course?
This course is ideal for:
• Home Energy Professionals

• Those looking to add blower door testing to their business!

Everblue offers 2 options for completing your certification. Both options include identical training and all exam fees, so choose whichever format is right for you based on your learning style, schedule, and location.

After registration, you will be able to immediately access the online training using the unique username and password emailed to you.

Option 1:  Blended Training

•  2 hours of online learning followed by in-person training & exam.

•  Everblue provides all testing equipment.

•  Registration fee includes training and testing.

•  Get certified for $949.

•  How It Works

View Schedule

Option 2:  Online Training

•  100% online! Follow along with your equipment and record your exam from home!

•  Student uses their personal (or borrowed) equipment.

•  Registration fee includes training and testing.

•  Get certified for $949.

•  How It Works

Register Now

During this course, you will learn about:

• Construction Math

• Airflow

• Blower Door & Pressure Diagnostics

• Tightness Verification

• Duct Testing

• Duct Tightness Verification

To help you prepare for your certification exams, we provide 6 months access to our secure online learning portal, where you'll find the following materials:

• 2 hours of online training presentations

• Field training videos

• BPI study guide

• BPI field exam checklist

• Blower door operations manual

• Duct blaster operations manual

• Support from our Award-Winning Instructors & Staff

BONUS! Our students receive exclusive discounts from the major energy auditing equipment manufacturers: 14% discount from Retrotec, 12.5% discount from Energy Conservatory, and 8% discount from TruTech Tools

Click boxes to see all dates for each location. You may also Request a Location.

100% Online
Online, Anytime - Start Now!
CA - Los Angeles
FL - Tampa
MA - Boston
MD - Baltimore
NC - Charlotte
OR - Portland
PA - Pittsburgh
TX - Austin
UT - Salt Lake City

Register Now for $949

Everblue’s BPI Infiltration & Duct Leakage program includes everything you need to get certified – all in one package.

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Payment Options

We're pleased to accept multiple forms of payment for our courses. Please note that the 6-month user access begins only when course payment is made in full (with the exception of Affirm financing). This means that those who choose to pay by check or payment plan will have a deferred enrollment until their orders are paid in full.

• Credit Card  learn more

• Check  learn more

• PayPal  learn more

• Payment Plan  learn more

• Financing  learn more

Questions?  Call us at 877-754-9194

Due to overlapping requirements of popular certifications, we have created combination courses where individuals can earn one, two, or three BPI certifications at once.

Potential BPI Certifications:

•  BA = Building Analyst
•  ENV = Envelope
•  IDL = Infiltration & Duct Leakage

Combo Options

  Core Competencies



All 3 Certs

  Blower Door




  Carbon Monoxide




  Combustion Safety




  Energy Modeling




  Work Scope




  Duct Leakage




  Thermal Comfort




  Zone Testing




  Quality Assurance





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5 star review"Everybody enjoyed training, and pre-course work helped greatly! We appreciate the effectiveness, quickness of the BPI Infiltration & Duct Leakage course. Thank you for all the help you have provided us!" - Nadia Loza

5 star review"Colleen went above and beyond to make sure that all our questions were asked and that we were confident and ready for the test." - Nathan Capps

Have Questions? Leave a Comment Below!

Hi, I currently sale HVAC

Submitted by Anonymous (not verified)
Posted on Wed, 2019-09-04 22:02.

Hi, I currently sale HVAC equipment for new residential construction. If I became certified could I provide this testing as long as I didn't perform them on a house I sold the equipment to?

re: I currently sale HVAC

Submitted by Lesley@Everblue3
Posted on Thu, 2019-09-05 08:01.

Hi Jeff, thanks for your question. As long as you won't be the professional installing the HVAC equipment, then I don't believe that a conflict of interest exists. There would only be a conflict of interest if you installed the HVAC equipment AND did the quality assurance testing on the equipment. If you are just selling the equipment and relying on the homeowner to hire another contractor to install the equipment, then it should be acceptable for you to come back into the picture later as the blower door testing professional. Hope that helps!


Submitted by Anonymou (not verified)
Posted on Sun, 2019-08-25 23:17.

Hi would the BPI certification be enough for me to conduct blower door test in San Antonio ,TX and get certified to do them as a third party? I only want to conduct blower tests because my family already has a HVac company. And every time we get a new contraction house we have to use a third party contractor. Please let me know what the process is once I get my license on what I need to do with my city to be able to get certified on the blower test. I want to know if the BPI certification can get me there. Thank you

re: Bpi

Submitted by Lesley@Everblue3
Posted on Mon, 2019-08-26 10:55.

Hi Alexis, thanks for your question. The BPI Infiltration & Duct Leakage Certification specifically focuses on blower door and duct leakage testing. After passing the exam, you will be certified through the Building Performance Institute (BPI) as a qualified professional for blower door and duct testing. So, to clarify, BPI has created the workforce standards for blower door professionals, and they rely on approved training providers (like Everblue) to administer the training and exams. Our BPI Infiltration & Duct Leakage course includes the training and exams to help you become a blower door testing professional.

Please note that certification is different from a license. A license is typically managed through your state by way of passing a state exam. Quite honestly, blower door and duct testing is a newer concept, and the states have been slow to adopt their own process, so they have been relying on "third-party certified contractors." In fact, your state has adopted a building code that likely says that blower door testing should be completed by a third-party certified contractor.

Yes, BPI Infiltration & Duct Leakage is a blower door certification. Your next step would be to contact your local building department (the code enforcement agency) and ask if they believe that the BPI Infiltration & Duct Leakage Certification satisfies their interpretation of a "third-party certified contractor." Code interpretations vary by county, so you will have to ask your local code officials. But I will say that from the feedback we’ve received from our students, 99% of counties have accepted the BPI Infiltration & Duct Leakage Certification for code compliance.

If you have any other questions, please give us a call at 877-753-0853. Thanks!

I am considering getting

Submitted by J L McCarthy (not verified)
Posted on Fri, 2019-08-09 19:23.

I am considering getting Resnet HERS rater certified in the future. If I take this course first, can I then take the HERS training at a reduced price in a shorter time frame since I already have a portion of the modules covered? Thanks.

re: I am considering getting

Submitted by Lesley@Everblue3
Posted on Tue, 2019-08-13 10:34.

Hi Jacqueline, thanks for your question. The BPI Infiltration & Duct Leakage course is aligned with the blower door and duct leakage standards created by the Building Performance Institute (or BPI, for short). BPI is a competing organization to RESNET, so although both organizations offer certification regarding home energy efficiency, their standards and thresholds are not the same. Completing the BPI IDL course would 100% prepare you for the BPI IDL Certification, however that course/certification would not be recognized in your pursuit of RESNET HERS Rater Certification. The training and eligibility requirements for HERS Rater Certification are entirely separate from the BPI Certification process. I hope this makes sense. If you have any further questions, please give us a call at 800-460-2575. Thanks!

Certification requirements

Submitted by Anonymous (not verified)
Posted on Sun, 2019-07-21 00:26.

Do you need to be a contractor in order to do the certification for the building envelope or duct work? BP I IDL, or can anyone be certified in it. I'm 15 years as an hvac tech but want to start my own business doing blower these tests.

re: Certification requirements

Submitted by Lesley@Everblue3
Posted on Mon, 2019-07-22 08:48.

Hello, thanks for your question. Anyone can get certified in the BPI IDL Certification. It looks like you are coming from the state of Florida, where the building code requires that a "certified third party" conduct the blower door and duct tests on new homes. The code does not explicitly state what it means by "certified third party," but we have ascertained that that phrase refers to a BPI Certification, RESNET HERS Rater Certification, or licensed HVAC contractor. Although you are an HVAC contractor, as you can imagine, you still need to be trained on how to do the blower door and duct tests correctly. Therefore, the BPI IDL Certification is the best path for you. If you have any other questions, please don't hesitate to give us a call at (800) 460-2575. Thank you!


Submitted by Heath Hounshell (not verified)
Posted on Thu, 2019-07-18 14:37.

Hi my question is where will i be doing my in-person training at? I live in Inverness FL that's about an hour north of Tampa and about an hour west of Orlando, was wondering if you had the in-person training in Tampa or Orlando? Thanks

re: Training

Submitted by Lesley@Everblue3
Posted on Fri, 2019-07-19 13:28.

Hi Heath, thanks for your question. If you click on the SCHEDULE tab in the green horizontal menu above, you’ll see our listing of upcoming class locations and dates. We offer the BPI IDL training in Tampa. Specifically, this class is held at a real house in the Tampa area. Because the venue is a private residence, we don’t publish the full address on our website (to protect our homeowner’s privacy). We will email out the full address to enrolled participants one week before course. But to answer your question, yes, the training is available in the Tampa metro area.

Getting certified

Submitted by Anonymous (not verified)
Posted on Wed, 2019-02-13 15:35.

Can a HVAC company get certified and do their own testing and do testing for other companies?

re: Getting certified

Submitted by Lesley@Everblue3
Posted on Thu, 2019-02-14 09:32.

Hi there! Thanks for your question. First, the BPI IDL Certification is tied to an individual (not the company). As for testing, any good HVAC company will want to do their own testing to be sure they did it correctly. However, for building code compliance, the state requires that testing be done by an independent third party. So your HVAC company could do internal quality assurance on your own projects and then hire another company to validate your work for the state; alternatively, your HVAC company could be the "independent third party" to another company looking to validate their work. Give us a call at 800-460-2575 if you have any other questions. Thanks! Lesley@Everblue

Blower Door Cert

Submitted by David Roberts (not verified)
Posted on Thu, 2018-08-23 13:01.

I would like to know more about how to get certified and the benefits of a certification

re: Blower Door Cert

Submitted by Lesley@Everblue3
Posted on Tue, 2018-08-28 10:51.

The blower door certification is called BPI Infiltration & Duct Leakage (BPI IDL, for short). To get certified, you simply have to pass a hands-on field exam, which is administered by an approved BPI Test Center. Everblue is, in fact, an approved BPI Test Center, and we have built the cost & timing of the proctored exam into our BPI IDL course, so there are no extra steps after class. For the exam, you will be given 1.5 hours to demonstrate proficiency with the blower door and duct blaster equipment.

You may have noticed on our website that we offer this training in 2 formats:

  • Blended – meaning that you follow along with online training modules and then appear in person for the hands-on equipment training and proctored exam. We offer this option in several locations across the country.
  • 100% Online – in which you follow along with all online training modules using equipment that you’ve borrowed, rented, or purchased. When you’re ready to take the exam, you will contact us to schedule the testing appointment, and we will “remotely proctor” the exam. Remotely proctoring the exam means that we will use video streaming software, such as Skype or FaceTime, to supervise the completion of your exam from the venue of your choosing.

If you’re interested, our students receive a 14% discount on blower door and duct testing equipment from Retrotec, a 12.5% discount from The Energy Conservatory, and an 8% discount from TruTech Tools.

Many professionals seek the BPI IDL Certification as a means of complying with their local building code. If your state has adopted the 2009, 2012, 2015, or 2018 International Energy Conservation Code (IECC), then there is a requirement to have a third-party certified professional perform blower door and duct leakage testing on all new construction homes in the area. Because of this requirement, there is demand in the construction industry for certified blower door testers. With this certification, you will be eligible for this type of work, thereby expanding your business services and gaining new clients.

When you’re ready, you can register on our website here or by calling us at 800-460-2575. We accept all major credit cards, check payments, PayPal, and financing through Affirm.

Thank you again for your question. I have also emailed this response to you so you have it. Please let me know if you have any other questions. I’m happy to help!

Where is the test given?

Submitted by Gary Johnson (not verified)
Posted on Wed, 2018-08-08 18:04.

Where is the test given?

re: Where is the test given?

Submitted by Lesley@Everblue3
Posted on Thu, 2018-08-09 08:25.

Hi Gary! Thanks for your question. The BPI IDL field exam is administered at the end of the course. How it's administered depends on whether you choose Blended or Online training.

If you choose Blended, the field exam will be administered on the second day of the BPI IDL class at our on-site location. We hold the training at a private residence, thus we don't publicly advertise the address (in order to protect our homeowner). We do, however, share the address with enrolled participants one week before class. It appears as though you live close to Tampa, where we offer this training. Our next BPI IDL course in Tampa will be Aug. 23-24, so the field exam will be offered at the private residence in Tampa, FL 33601 on Aug. 24.

If you choose the 100% online version of this course, you will want to complete the online coursework prior to attempting your BPI IDL field exam. Because this version is completely online, you will be responsible for securing the equipment (blower door, duct blaster, manometer) either by buying, borrowing, or renting. You will also need to find a house with a ducted system and access to furnace or central return - it can be your house if your house meets this criteria. You will determine the best date and time for your field exam by coordinating with our BPI Program Manager, who will remotely proctor the completion of your exam. In other words, he will proctor your exam using video streaming equipment so he can watch you in real time.

Please note that WE provide all equipment and a house when you choose the Blended format of this course. If you have any further questions about the BPI IDL schedule or exam, please call us at 877-798-3652 or email info@everbluetraining.com. Thanks!

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