About Us

Our Company

Nessco Designs, Building Science Technologies has worked hard developing a record of excellence in working on detailed renovation projects with the private and public sector. Our committed team of specialists has over a century of combined experience in the construction trades and over the years we have built a sterling reputation for honesty, diligence, and workmanship that we are rightly proud of.

Our communities struggle with pressing energy needs. Each year local residents face skyrocketing home energy costs. We at Nessco Designs Building Science Technologies are convinced that weatherization and energy-efficiency retro-fits are the key to helping our neighbors enjoy a better quality of life while reducing negative impacts on the environment.

As a participating contractor in Arizona’s Home Performance with ENERGYSTAR program, Nessco Designs Building Science Technologies employs personnel who have been trained, certified, and mentored. We look forward to the opportunity to meet your building needs, whether it’s to make your home more energy efficient, more comfortable, or simply to help you save our planet.

How We’re Different

Nessco Designs, Building Science Technologies is a participating contractor in Arizona’s locally sponsored Home Performance with ENERGY STAR program. Our participation in the program provides you with the peace of mind that we provide the highest level of service:

All of our assessors have been trained in building science and have been certified. Our assessors are qualified to look at the totality of your home, with an understanding of how insulation levels, air leakage, windows, and mechanical systems all interact to affect your indoor environment, energy usage, and home’s structure.

We use measurable and verifiable diagnostic tests to determine how your home is performing. After improvements are made, we re-test your home to see how much we’ve improved its performance, and to verify that equipment is operating safely and efficiently.

We use best practices and energy modeling software to identify the most costeffective measures that can lower energy use.

All of our completed work complies with programmatic standards for quality. Our test results are subject to program review, and a percentage of our completed jobs will be independently field verified by the local sponsor’s representatives.

Who’s Behind Us

Home Performance with ENERGY STAR (HPwES)

Home Performance with ENERGY STAR is a national program from the U.S. Environmental Protection Agency and the U.S. Department of Energy, using a comprehensive approach to to improving energy efficiency and comfort at home, while helping to protect the environment

Rather than focusing on a single component, HPwES assesses how upgrades to the home interact. Understanding the home as a system assists in identifying the most cost-effective and important improvements for you home.

ENERGY STAR is one of the most trusted names in promoting energy efficiency while maintaining a high quality of value. The ENERGY STAR program has developed HPwES to give homeowners the confidence that participating contractors follow industry best practices that will address homeowners’ concerns.

Our Local HPwES Sponsor, Arizona Public Service (APS)

We work with our sponsor to provide quality inspections, recommendations, and whole house improvements.

The local sponsor provides a number of benefits and assurances to homeowners. In addition to offering incentives and financing, the local sponsor receives our reports and other paperwork for all of our completed jobs. A certain percentage of our jobs are randomly field-tested, to provide an added level of quality assurance. The local sponsor will also ask for your opinions about our work, so we know where we are doing well and where we can improve. You can rest assured that your home will be treated as if it were our own home.