Business Details
27 Years
experience
Emergency
services
Home Performance Solutions in New Orleans
Diversified Energy has been a trusted leader in home performance solutions for nearly two decades, serving the Greater New Orleans region and beyond. Founded in 1999 by Jeff Haag, one of Louisianas first RESNET Energy Raters, the company pioneered a holistic approach to home energy efficiency, combining diagnostic testing with tailored improvements. Our team of BPI-certified professionals specializes in high-performance insulation, HVAC system installation, indoor air quality enhancements, and FORTIFIED Roof solutions, addressing the unique challenges of the Gulf Souths hot, humid climate.With partnerships spanning solar energy providers, non-profits, and utility rebate programs, we deliver customized solutions that reduce energy costs, improve comfort, and ensure long-term home resilience. Recognized as an Energy Star Partner and member of leading industry organizations, we adhere to the strictest standards for diagnostics and treatment, ensuring every project meets our commitment to quality, safety, and customer satisfaction.
Services
Spray Foam Insulation
Home Performance Audits
FORTIFIED Roof Solutions
HVAC Installation & Repair
Indoor Air Quality
Diagnostic Testing
Weatherization Services
Solar Energy Partnerships
EnigMAT Insulation
Duct Sealing
Details
- Year established: 1999
Highlights and features
- We examine all performance aspects of your home.
- Our BPI-certified technicians are the regions most qualified.
- We partner with top solar companies and utility programs.
- We offer EnigMAT PCM Blankets for cutting-edge efficiency.
- We provide FORTIFIED Roof solutions for hurricane protection.
Associations and certifications
- Building Performance Institute (BPI)
- Spray Polyurethane Foam Alliance (SPFA)
- North American Technician Excellence (NATE)
- Home Builders Association of Greater New Orleans (HBAGNO)
- Residential Energy Services Network (RESNET)
- Energy Star Partner
What people say
Professional and thorough
Significant energy savings
Expertise in Gulf climate
Excellent communication
Clean, respectful service
Services
Spray Foam Insulation
Spray foam insulation seals gaps and improves energy efficiency by creating an airtight barrier. Our closed-cell foam meets FORTIFIED Roof standards, reducing HVAC loads and lowering utility bills. Ideal for attics, walls, and crawlspaces, it enhances comfort while protecting against moisture and pests in the Gulf Souths climate.
Home Performance Audits
Our 360 Energy Audits identify inefficiencies through blower door tests, infrared imaging, and duct leakage analysis. We assess insulation, air infiltration, and HVAC performance to create customized plans. This data-driven approach ensures targeted improvements that boost comfort, lower bills, and improve indoor air quality.
FORTIFIED Roof Solutions
FORTIFIED Roofs use closed-cell spray foam to strengthen roof decks and qualify for insurance discounts. Certified by the Insurance Institute for Business & Home Safety, our installations meet rigorous standards for wind resistance. Homeowners save 30-40% on premiums while gaining peace of mind during hurricane season.
HVAC Installation & Repair
We install and repair high-efficiency heating and cooling systems tailored to Gulf Coast conditions. Our NATE-certified technicians optimize ductwork, perform load calculations, and seal leaks to maximize performance. Upgrades reduce energy use by up to 50%, ensuring reliable comfort year-round.
EnigMAT PCM Insulation
EnigMAT PCM Blankets actively capture and release thermal energy, reducing HVAC demand. Unlike traditional insulation, this technology stabilizes indoor temperatures by storing heat before it enters buildings. Installed over existing attic insulation, it lowers peak energy usage and improves efficiency in homes and commercial spaces.
People
Jeff Haag
Owner
With 20 years in energy efficiency, Jeff Haag founded Diversified Energy to address Gulf South climate challenges. A former government energy auditor, he pioneered weatherization programs and built partnerships with top builders and utilities. Jeffs leadership ensures rigorous standards and customer-centric solutions.
Amber Delaune
Office Manager
Amber Delaune oversees daily operations, ensuring seamless project coordination and client communication. Her organizational expertise supports Diversified Energys growth while maintaining focus on quality service delivery.
Larry Sarti
Operations Manager
Larry Sarti manages field operations, training technicians to meet BPI and FORTIFIED standards. His 15+ years in construction and energy efficiency ensure projects are completed efficiently and to the highest quality.
Kenny Welch
HVAC Manager
Kenny Welch leads HVAC services, specializing in system optimization for humid climates. His team installs energy-efficient equipment and performs diagnostics to ensure peak performance and customer comfort.
Questions
What areas does Diversified Energy serve?
We serve Greater New Orleans, Baton Rouge, Lafayette, Houma/Thibodaux, and the Mississippi Gulf Coast.
Do you offer financing options?
We help customers access utility rebates and state tax credits for energy-efficient upgrades.
Are your technicians certified?
Yes, we employ BPI-certified professionals and NATE-certified HVAC specialists.
How does EnigMAT insulation work?
EnigMAT stores thermal energy before it enters your home, reducing HVAC demand by up to 50%.
Can I get insurance discounts with FORTIFIED Roofs?
Yes, FORTIFIED certification qualifies homeowners for 30-40% insurance premium discounts.
What’s included in a home performance audit?
Audits include blower door tests, duct leakage checks, infrared imaging, and customized improvement plans.
