Our Services
Insulation Services
Reduce energy costs to customers by increasing the R-value of pre-existing insulation in the attic.
duct repair services
We can handle all your duct repair and replacement needs, both big and small.
weatherization services
Help improve the energy efficiency of your home or business.
The Home Energy Money Pit
Homeowners frequently overlook hidden financial drains when creating a home that’s both comfortable and energy-efficient. These unseen elements can silently escalate costs and reduce living quality:
- Outdated Insulation
- Air Leaks and Drafts
- Inefficient Heating & Cooling Systems
- Poorly Sealed Ductwork
- Old Appliances
- Inefficient Lighting
Our Solution
Our holistic approach to energy efficiency isn’t just about upgrades — it’s about smart savings. By harnessing the power of available rebates, we help homeowners invest in energy upgrades that pay dividends in comfort and cost.
check rebate
eligibility
Homeowners can access federal and state programs that may cover 100% of the costs for energy upgrades like attic insulation, duct sealing, air sealing, and heat pump replacement.
Schedule Energy
Audit
Our energy audit identifies if you’re overpaying on energy bills, finds savings opportunities, and recommends the most beneficial energy upgrades for your home.
Receive Energy-Efficient Upgrades
Tailored energy-efficient upgrades for your home begins, including attic insulation, duct sealing, air sealing, HVAC replacement, and other identified opportunities.
Ready to Save? Start Here:
Customer Testimonials
Don't Just Take Our Word For It.
Hear Real Stories of Exceptional Service and Results.
Posted on Google![]()
Denefreia Fisher11 September 2026
The assessor(Anthony) was very professional and knowledgeable. It was a pleasure meeting him, I hope that others are like him that's coming out to my home in the near future.Posted on Google![]()
Dragon Wilson10 September 2026
Mr Steven and crew did an awesome job. I would recommend this service to friends. It was a 10 for mePosted on Google![]()
beverly black10 September 2026
Mr. Black was very knowledgeablePosted on Google![]()
Tracey Ward5 September 2026
After having a HVAC system install there was a factory defect that cause the system to not function. Although I did go 4 days without my ac, but I must say Thanks to Butch Comer as well as ABC Gonzalez HVAC repair my system is back up and running again. Butch stood behind his word and made sure it happened as quick as possible and furnished while it was out 2 portable ac units for us. Butch Comer is the best with Farrell Insulation.Posted on Google![]()
Ester Roberts3 September 2026
I just received my assessment right now and the gentleman was polite and answered my questions. Once I get approved or not I will be able to add morePosted on Google![]()
Cathy Robinson3 September 2026
The young man that came did awesome job, he was very polite and professional, during inspection.Posted on Google![]()
Diane Ross3 September 2026
Mind you it was my second visit, ketwan was courteous, professional, polite and friendly respectful of my Home.and my belongings. I look forward to my next visit from this company 😃Posted on Google![]()
Lesley McAuley3 September 2026
Great staff. Very knowledgeable and professional.Posted on Google![]()
Beverlyn Ellerbe27 August 2026
I was very impressed with the thoroughness of his assessment on the entire home. The depth that he went undergoing the crawlspace under the house also the attic very impress.Posted on Google![]()
Terri Michelle19 August 2026
My grandma says the assessor was nice, thorough and quick. Nicely mannered. She can't wait to get her home fixed up.
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Partnering with utility companies & conservation groups for Sustainable energy solutions
At Farrell Insulation, we prioritize trust and collaboration in our work with various energy conservation programs. Our partnerships extend across the United States, involving both utility companies and dedicated conservation groups, to deliver energy-efficient and environmentally responsible solutions.
let's Work Together
Since 1997, Farrell Insulation has been a leading insulation and weatherization provider in Charlotte, NC. Renowned for our commitment to energy conservation, we offer customized energy-saving solutions for commercial, residential, and multi-family properties.
Our dedication to the community drives us to deliver effective strategies that maximize time and cost savings. Discover the Farrell Insulation Advantage in Charlotte – where local know-how meets an unwavering commitment to excellence, distinguishing us in the field.
Certifications & licenses
At Farrell Insulation, we believe that understanding every aspect of our industry is essential to our success. For this reason, we sought out some of the best minds with the best certifications to join our team and have developed a staff qualified to take on any energy conversation and weatherization project.
- Advanced Air Conditioning and Refrigeration Certification
- Master Electrician Certification
- BPI Certified Managers and Technicians
- CDSM (Certified Demand Side Management) Certification
- Class A Air Conditioning License
- General Contractor License
- CEM (Certified Energy Manager) Certification
- Local & County-Specific Insulation Licenses