Our Qualifications
Our Business
Nessco Designs, Building Science Technologies is fully insured and licensed to perform work in the state. While most of our work is installed by in-house crews, any subcontractors we work with must also be licensed and insured in the state.
Contractors License NO. ROC214023 Class KB-02
Professional Liability Insurance: Policy no. ACP BA 72-1-2243264
Workers Compensation Policy No. 502051
Our Assessors
All of our assessors are certified by the Building Performance Institute, a nationally recognized training, certification, and accreditation body. Our assessors are experts in building science - understanding how energy, moisture, and air moves throughout your home, all of which can affect comfort, energy efficiency, and your home’s durability.
Our assessors have been trained in the proper use of the latest tools and diagnostic equipment. They have passed a written exam and a field exam, as well as having successfully completed a mentoring period.
Our assessors have been trained to use energy modeling software, creating custom solutions tailored to your home’s characteristics and your particular needs.
Our Crews
All of our crews have been trained on the fundamentals of building science, and how to properly retrofit existing homes to maximize energy savings. Their understanding of home performance ensures our installations are of the highest quality and will satisfy your needs.
Depending upon the specific recommendations and areas of the home that are being addressed, our crews may have additional training and certifications.
Air Conditioning Contractors of America (ACCA)
All of our mechanical system designs use applicable ACCA design criteria. We calculate your home’s total heating and cooling load , how to distribute your conditioned air in properly sized ductwork.
All of our HVAC technicians follow ACCA Quality Installation (QI) guidelines. These procedures mean that your home not only has a properly sized unit, but that it is installed and commissioned to operate as designed.