Protecting
Energy Outcomes

We combine building science with technology to help utility companies, program implementers, and building performance professionals achieve energy savings.

Explore Insights
firstenergy
honeywell
peco
nyserda
pgw
ppl
department of energy

We Speak Building

PSD’s leading industry experts translate building science expertise into innovative energy efficiency programs, powerful software tools, engineering services, & training. We have a deep understanding of how buildings work and have been practicing a holistic approach to this challenge for many years.

“

Easily at the top of the list for us are the programs run by PSD. Their commitment to full support of the program stakeholders through their intuitive Compass interface, live support, solicitation of constant feedback, quality training, and education make them a professional pleasure to work with.

HERS Rater
“

We have worked with PSD in the FirstEnergy New Homes program in Pennsylvania for the past couple of years. It is so refreshing to work with an organization that is easy to work with, supportive and quick to respond to any questions we have. PSD’s process of registering and applying for rebates is such an easy process. Thank you for making this so user friendly!

Energy Contractor
“

I love to work with PSD on above code and energy efficiency programs.  Their software is easy to understand and convenient to use.  There technical help is both knowledgeable and timely, I just send them an email and I usually hear back within an hour.  They make it easy for me to help my customers maximize their participation in the programs.

HERS Rater
“

I just wanted to thank you for the feedback, and for the quality of the QA report. Because of the many rebate programs in which we operate, we get a lot of QA done by the implementers of utility funded programs. This is by far the most professional QA report I have received from an incentive program.

Energy Contractor
Our Mission

PSD Making a Difference

We achieve decarbonization using building science technology to ensure our planet for future generations.

2025 Annual Report
PSD Employees

Meaningful Results

2,400

+
Income-eligible homes verified as safe & efficient

17,459

+
Design and building professionals trained on energy codes

7,596

+
New home ratings verified through PSD's Provider Services
235
+
Training sessions for builder, raters, code officials and weatherization contractors
$

62706245

Incentive dollars paid to customers

Environmental Impact

Improving Environmental Impact

19,874

Fewer Homes on the grid

35,860

Fewer vehicles on the road

164,960

Fewer Tons of C02 in the atmosphere