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charleston sc home insulation company
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Products & Services

Home Energy Saving & Audit
Energy efficiency audit
Energy saving devices
Energy saving products
Energy saving tips
Home energy audit
Home energy conservation

Home Insulation
Attic insulation
Blown in insulation
Cellulose insulation
Duct insulation
Green insulation
Insulation contractors
Pipe insulation
Reflective insulation
Rigid foam insulation
Roof insulation
Wall insulation
Window insulation

Air Sealing
Sealing air leaks
Air duct leakage
Air duct sealing
Air leakage testing
Door air seal
Window air leakage

Radiant Barrier
Radiant barrier insulation
Radiant barrier cost
Roof radiant barrier

Ductwork repair
Ductwork installation
Ductwork cost
Furnace ductwork
HVAC ductwork

Before and After Pictures from Charleston
Moldy Crawlspace in Charleston, SC

Moldy Crawlspace in Charleston, SC

Before After
Moldy Crawlspace in Charleston, SC Moldy Crawlspace in Charleston, SC

These homeowners knew they had a problem with their crawlspace. They just didn't know to what extent until we showed them the pictures. We provided crawl space repair for this Charleston, SC home including insulation and vapor barrier!

Sucessful Job Completed in Charleston, SC

Sucessful Job Completed in Charleston, SC

Before After
Sucessful Job Completed in Charleston, SC Sucessful Job Completed in Charleston, SC

The Omalleys in Charleston were suffering with health issues and energy loss. After evaluating and fixing their issues the family is already experiencing increased home comfort and lower energy bills.

Installing a Radiant Barrier and Blown Insulation in a Charleston Attic

Installing a Radiant Barrier and Blown Insulation in a Charleston Attic

Before After
Installing a Radiant Barrier and Blown Insulation in a Charleston Attic Installing a Radiant Barrier and Blown Insulation in a Charleston Attic

Dr. Energy Saver Columbia has helped a Charleston homeowner save energy and enjoy a healthier and more comfortable home. We installed a radiant barrier, sealed air leaks, and installed insulation. 

Company Awards
This award for excellence has recognized the Dr. Energy Saver Network as one that services homeowners with top of the... [Read more]
With their innovative development of SuperAttic Insulation System, the entire Dr. Energy Saver Network has been awarded the Connecticut Quality... [Read more]
More Awards

William Cantey's Dr. Energy Saver serving Charleston, SC

Happy Customers Surrounding Charleston, SC
Work requests

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Expert Home Insulation & Home Energy Audits in Charleston, SC


William Cantey's Dr. Energy Saver is part of the nationally renowned Dr. Energy Saver network of the best energy-conservation contractors across the country. We are not just an everyday contractor company, we specialize in helping you understand your home's current energy efficiency by assessing your home with an energy audit.

Our energy saving experts will suggest improvements to your home in order to add energy efficiency to your home. With William Cantey's Dr. Energy Saver you will receive the maximum energy saving and cost efficient results with the least amount of hassle and headache!

Basement, crawl space, attic insulation & more!

We specialize in a variety of services aimed to lessen your home's carbon footprint, saving energy and money each month all while increasing your home's energy efficiency! Our company's experienced energy auditors offer it all, from air sealing to ductwork and home insulation in Charleston, South Carolina.

Services Offered in Charleston:

  • Sealing Air Leaks
  • Crawl Space Encapsulation
  • Air Duct Sealing
  • Home Energy Evaluation 
  • Home Energy Conservation
  • Blown in Insulation
  • Home Insulation Services
  • Attic Insulation
  • Cellulose Insulation
  • Crawl Space Insulation
  • Radiant Barrier Installation
  • Garage Insulation

How to get your FREE Cost Estimate!

For a services estimate in Charleston, South Carolina, please completely fill out the form to the right, and William Cantey's Dr. Energy Saver will contact you shortly. With an estimate you'll also receive a free copy of the book; "Saving Energy and Money at Home." This is a resource written by the two Dr. Energy Saver visionaries and a Dr. Energy Saver writer. It's a great tool to use as you begin to create a more comfortable, healthy, and energy efficient home!

Press Releases From Charleston
William Cantey's Dr. Energy Saver received an award at the Team Basement Systems International Convention for ranking among the Top 10 Dr. Energy Saver Dealers!... [Read more]
Local energy saving company is set to participate in a motorcycle run to benefit St. Jude Children’s Research Hospital.... [Read more]
William Cantey’s Dr. Energy Saver has recently hired a new home energy consultant.... [Read more]
News & Events From Charleston
Columbia Energy Experts Donate $10,000 Among Three Charities... [Read more]
South Carolina's Energy Expert Gives Back to Three Prominent Charities This Holiday Season... [Read more]
Blown in Insulation in SC: Cost Effective and Efficient!... [Read more]
Work Requests From Charleston, SC
Barnaby St. in Charleston
I'm interested in getting a quote on insulation replacement in my attic.
Shuttle Ct. in Charleston
Electric Bill is very high. Extremely cold in the winter, fairly cold in summer. Do not know whether walls/attic have proper insulation, therefore I would like know where the heat loss occurs.
Trapier Drive in Charleston
I need an estimate for replacing insulation in an older home.
Harrods Lane in Charleston
Crawl space insulation is falling down and torn apart by weather and rats/mice. Also looking into insulating 2 knee walls above garage.
Settlers Street in Charleston
Need the insulation in the crawl space replaced Home is 2 story 2400 sq ft so I assume the area is about 1200 sq ft
Serving the following Charleston, SC zip codes
29401, 29402, 29403, 29406, 29407, 29409, 29412, 29413, 29414, 29416, 29417, 29422, 29423, 29424, 29425, 29492