Phius Certified Builder (CPHB) Program Overview

Applied Passive House Principles

This training prepares construction professionals to understand the application of passive building techniques — airtight enclosures, high-performance window installation, passive design strategies, field quality assurance, and site management.

Learn more about Passive Building Principles

Course Topics Include:

Applied building science fundamentals and materials
High performance building enclosure systems with an emphasis on field inspection
Air barriers and passive building retrofitting
Climate-specific detailing
High performance mechanical systems
Passive building ventilation strategies
Cost optimization, bidding, project management, and economics
Quality assurance and quality control strategies
Phius Certification requirements

Real World Insights

The course offers real-world insights into on-site implementation as well as insight on both the practical and business concerns specific to high performance and zero energy building. It covers not only craftsmanship, but also risks and liability to the Phius Certified Builder and guidance in both problem-solving and (more importantly) problem avoidance.

Meet the Team of CPHB Instructors

Course Format

This course is delivered in two parts:

Part 1: Self-guided online learning modules (roughly 13 hours)
Part 2: Live instructor-led sessions over 2 weeks (24 hours total)
Professional Exam: Consists of two exam - both online and offline

The Cost for the Full Training + Professional Credentialing Exam:
General Public: $2400
Phius Alliance Member: $2200

Continuing Education Credits

AIA (American Institute of Architects)

Earn 32.5 HSW units

BPI (Building Performance Institute)

Earn 12.75 CE credits

Phius CEUs

Earn 32 Phius CEUs

Incentives & Reimbursements

Energize Connecticut

The sponsors of Energize Connecticut, through their Passive House & All Electric Homes Initiative, offer 75% cost reimbursement for Phius professional training. Learn more from BuildGreenCT’s Connecticut Passive House community

Learn more and apply here

Mass Save

You may be eligible for partial reimbursement for training fees from the Mass Save project.

Apply using this form.

Massachusetts Express Grants

Massachusetts employers with 100 or fewer MA, W2 employees are eligible to receive up to 100% reimbursement in training costs via Workforce Training Fund Express Program grants. Applicants must submit a grant application at least 21 days ahead of beginning the self-guided training AND register through Built Environment Plus to be eligible for reimbursement. For the Phius Certified Builder training, $2,250.00 is eligible for grant funding. The total course cost is $2,400. $150 is the cost of the certification exam and must be paid out-of-pocket by the company.

Complete a Grant Application Here

Xcel Energy Colorado

Xcel Energy has partnered with Phius to provide a 90% sponsorship for the Phius Certified Builder (CPHB) training for builders and architects who build in Xcel’s Colorado electric service territory and successfully complete the course.

Learn More