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Before and After Pictures from Johns Island
Blown-In Insulation in Johns Island, SC
Spray Foam Attic Insulation in Johns Island, SC
Commercial Building Spray Foam in Johns Island, SC
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Best Insulation Company
Voted Best Insulation Company by the Grand Strand Community. https://www.myhorrynews.com/special/page-01/page_a9d2ecd7-7080-5d38-a54e-ff.html... [Read more]
2024 Top Solar Company
Thank you to everyone who voted in the 2024 Reader's Choice, voting Carolina Energy Conservation the top solar company in... [Read more]
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Energy-Saving Home Insulation, Solatube & Attic Fan Installation in Johns Island, SC

Happy Customers Surrounding Johns Island, SC
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Reviews From Johns Island

Are you tired of high energy bills and uncomfortable rooms in your Johns Island, SC home? From fixing drafty, hot rooms with high-performance insulation to brightening dark spaces with natural daylighting, we can help make your Johns Island home more comfortable and energy efficient.

Every homeowner knows the feeling. It’s mid-summer in Johns Island, your air conditioner is running constantly, your upstairs is still a sauna, and you dread opening your monthly electric bill. Or maybe you have that one dark hallway or windowless bathroom that always forces you to flip on a harsh overhead switch. You shouldn’t have to live in uncomfortable rooms or waste money on inefficient heating and cooling.

At Carolina Energy Conservation, we don't just guess what your home needs—we figure it out using science, not sales pitches. As Johns Island’s local, authorized Dr. Energy Saver specialist, we are a family-first team that helps you pinpoint exactly where your home is losing money. Since 2009, we’ve built our reputation across South Carolina by being transparent, showing up on time, and cleaning up after ourselves when the job is done. Learn more about our services and contact us to get started with a free, no-obligation estimate!

High-Performance Insulation & Air Sealing

Whether you're experiencing rooms that are freezing cold in the winter and boiling hot in the summer, uneven temperatures between floors, an HVAC system that never shuts off, or a combination of these issues, we can help. We don't just throw standard fiberglass over a problem. We offer a full catalog of specialized residential and commercial insulation solutions designed to target energy loss from the roofline down to the foundation.

Our insulation services in Johns Island:

  • Attic Insulation & Upgrades: We stop the baking sun from heating up your ceiling joists and radiating heat down into your bedrooms. We use premium, fire-resistant, and pest-deterrent materials to create a dense thermal barrier.
  • Blown-In Cellulose Insulation: Perfect for older or under-insulated homes. Blown-in cellulose fills every irregular gap and corner of your attic floor, maximizing your R-value and instantly reducing the strain on your heating and cooling equipment.
  • Spray Foam Insulation: The absolute gold standard for home efficiency. Closed-cell spray foam expands to fill every crack, cavity, and void—providing a superior thermal barrier and a permanent air seal in a single application.
  • Crawl Space Insulation: If your floors feel cold in the winter or you notice a musty odor downstairs, your crawl space is working against you. We insulate your crawl space to seal out damp, humid earth air so you breathe cleaner, dryer air.
  • Commercial Spray Foam & Specialty Insulation: We don't just serve homeowners. For business owners, property managers, and commercial builders in Johns Island and nearby areas, our commercial-grade spray foam applications deliver unmatched structural strength, moisture control, and significant overhead cost reductions for large facilities.
  • Patented SuperAttic™ System: For homeowners who use their attics for storage or have HVAC equipment up there, standard floor insulation isn't enough. Our exclusive SuperAttic™ system fastens rigid foam insulation directly to the underside of your roof rafters, bringing your attic into the conditioned space of your home.
  • Ductwork Sealing & Encapsulation: Up to 30% of your conditioned air can leak out of hard duct lines before it ever reaches your rooms. We wrap, seal, and insulate your ductwork with spray foam to ensure pure, temperature-controlled air goes exactly where it belongs.
  • Wall, Basement, & Garage Insulation: From injection foam into existing exterior walls to rigid foam board barriers on conductive concrete basement walls, we ensure no side of your home is leaking money. 

Solatube® Daylighting Systems

Do you have dark, gloomy kitchens, bathrooms, or closets where you always have to turn on electric lights, but you don't want the leaks, cost, or heat of a traditional skylight? A daylighting system might be the answer. Solatube is a revolutionary system that captures natural sunlight on your roof and funnels it into virtually any room through a highly reflective, leakproof tube.

Benefits of daylighting system installation in Johns Island:

  • Leak-proof design that fits perfectly into any roof.
  • Fast, same-day installation with no major structural remodeling required.
  • Energy-efficient and eco-friendly lighting for dark hallways, kitchens, and bathrooms.

Solar Star® Attic Fans

An attic space can act like a giant heater sitting on top of your house, forcing your upstairs AC unit to work double-time. Your attic can easily climb past 140°F during the summer. Our solar attic fans actively pull the superheated air out of your home, allowing it to cool down naturally.

Benefits of solar attic fan installation in Johns Island:

  • Reduces upstairs room temperatures significantly.
  • Prevents moisture buildup that causes mold and roof deck rot.
  • Operates on 100% free solar energy—no added electricity costs!

Why Johns Island Homeowners Choose Us

  • Trained Specialists: Proud Dr. Energy Saver dealer with advanced training in home energy diagnostics.
  • Eco-Friendly Products: We use only the highest quality renewable, sustainable, and eco-friendly solutions.
  • Local Expertise: Serving South Carolina since 2009 with proven, patented systems.
  • Risk-Free Consultations: Free inspections and honest quotes tailored to your budget.

Ready to Start Saving? Schedule Your Free Estimate in Johns Island!

Don’t let poor insulation and high energy bills drain your wallet. Contact us today to schedule your comprehensive home energy consultation and free estimate in Johns Island or a nearby area in South Carolina.

Case Studies From Johns Island
Spray
Increase energy efficiency substantially within the home. Decrease HVAC run time during peak months.
Duct
The customer from Johns Island urgently needed to address condensation issues on the attic ductwork caused by problems with the blown insulation...
Work Requests From Johns Island, SC
Project Location: Johns Island, SC
Spray foam in attic area. energy audit. tax credit questions
Project Location: Johns Island, SC
Energy loss at windows. Heating/cooling not even in home. Interested in attic insulation check/replacement.
Project Location: Johns Island, SC
Hi - looking to add insulation to our attic as we added another room to existing HVAC and want to ensure proper mechanical longevity
Project Location: Johns Island, SC
Finishing ~1000 sq ft garage. Need to insulate walls
Project Location: Johns Island, SC
We recently discovered that a whole section of our attic is without insulation.
Project Location: Johns Island, SC
Need insulation over my garage area
Project Location: Johns Island, SC
2 solar tubes. 1 each in kitchen and living room.
Project Location: Johns Island, SC
Would like to get estimate to replace attic insulation.
Project Location: Johns Island, SC
Need attic insulation; a whole-house evaluation and plan.
Project Location: Johns Island, SC
Needing to blow in insulation in attic of recently purchased home . Current insulation is a thin layer of rockwool ( most likely original from 1963).
Project Location: Johns Island, SC
We are experiencing sweating attic ductwork in at least two rooms and would like to know what needs to be done to mitigate the problem.
Project Location: Johns Island, SC
Garage is not insulated. would like ceiling space insulated and to find out if outside wall can be insulated. garage is 20x21.
Project Location: Johns Island, SC
Need additional insulation in attic.
Project Location: Johns Island, SC
Would like consultation on insulating a 2-car detached garage.
Project Location: Johns Island, SC
Interested in Attic and Garage insulation.
Project Location: Johns Island, SC
Looking to get an estimate for insulating our kneewall space on our top floor.
Project Location: Johns Island, SC
I would like an estimate on adding insulation to room ceilings in our home and also insulating the ceiling in our 3 car attached garage. We employed your company to work on our previous home in Conway, SC with good results. Thank you.
Project Location: Johns Island, SC
One room in the upstairs of our home is significantly cooler than the rest of the upstairs.
Project Location: Johns Island, SC
Need a quote on crawlspace encapsulation
Project Location: Johns Island, SC
Re-insulate attic knee walls and air tight/insulate space under house elevated on pilings.

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