Both can perform a full assessment of your home and submit the required paperwork to the program on your behalf. Only a participating contractor can do the actual installation work.
An Independent Building Analyst can perform testing and job documentation for you and then you can choose from among participating contractors to perform the actual installation work.
A home energy score assessor is a contractor who has is a verified DOE Home Energy Score Assessor and offers a score to customers as part of their installation offering.
A 2-4 Unit Approved Installer is a contractor is approved for project installations in two- to four-unit residences.
High Performance HVAC Installer (HPHI) is a contractor who has received special training to perform Ultlimate Comfort installations under the Home Upgrade program.