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TRUSTED BY SAINT JOHNS, FL HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon215
    Verified insulation services reviews

Find Insulation pros in Saint Johns

Avatar for H&L Insulation
H&L Insulation
5.0(
101
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInsulation - Install or Upgrade

Serving Saint Johns, FL and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"I recently had the pleasure of working with H&L Insulation that was hired to blow fiberglass insulation into my attic, and I couldn't be more impressed with their professionalism. From the moment he arrived, he was punctual, courteous, and well-prepared. David took the time to explain the process to me and answered all of my questions patiently. He worked efficiently and meticulously, ensuring that every corner of the attic was properly insulated. He also made sure to clean up thoroughly afterwards, leaving no mess behind. Overall, his attention to detail and commitment to quality were outstanding. I highly recommend their services to anyone in need of attic insulation!""
Additional Photos
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+6

50 neighbors recently requested a quote
Recommended by59%of homeowners
Avatar for Green Energy Spray Foam Insulation, LLC
Green Energy Spray Foam Insulation, LLC
4.5(
40
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"This company beat the socks off another company I considered. For one fee, Green Energy removed ALL the blown in and batt and rolled insulation. On the second day, they installed the spray foam. I had another contractor look at the job - and he said he wished he had hired them for his house. If Green Energy had a yard sign - because I would proudly display it. Sweet people and an excellent job. So glad for this recommendation."
Icynene Spray Foam at UNF
Spray Foam Insulation for Noura Cafe'
Budwesier N. FL Sales
Our Work
Our Work

+5

Response time1 day
Recommended by100%of homeowners
Avatar for ProSeal Insulation LLC
ProSeal Insulation LLC
5.0(
10
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

ProSeal Insulation provides high-performance insulation services across North Florida. We specialize in spray foam, blown-in, batt, attic and crawl space insulation, as well as removal and air sealing.\n\nOur professional team is committed to doing the job right the first time, delivering cleaner, more comfortable, energy-efficient spaces. We offer both residential and commercial services with free in-person estimates and clear, honest communication every step of the way.\n\nContact us today to schedule your free estimate.

24 neighbors recently requested a quote
North Florida Insulation Co., Inc.
4.6(
44
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving Saint Johns, FL and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Responsive. Arrived on time. Cleaned up after themselves. Very reasonably priced. I would highly recommend N Fl insulation."
Response time11 hrs
25 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Artic Spray Foam Insulation
Artic Spray Foam Insulation
5.0(
9
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving Saint Johns, FL and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"Owner, James was awesome. He is a man of his word and was able to get my job done on short notice. Another contractor stood me up twice but James came through. I have since recommended him to several friends. Highly reliable."
Sprayfoam
Sprayfoam
Response time3 days
16 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 65
Insulation questions, answered by experts

Yes, insulating ductwork in a crawl space is a worthwhile investment, especially if you live in a colder climate or run your air conditioning for most of the year. Uninsulated ducts can lose up to 30% of their heating and cooling efficiency, which can significantly impact your electricity bill. The project is a relatively small investment and typically only takes a few hours. It's a particularly simple add-on if you are already hiring someone to insulate the entire crawl space. An added benefit is that insulated ducts put off less hot or cold air, making them less attractive to pests.

While insulation is required for all exterior walls in a house, it is not typically required for interior walls. Local and state building codes mandate that new construction homes have adequate insulation in exterior walls and ceilings to suit the local climate.

However, there are several benefits to adding insulation to interior walls. It is excellent for sound-dampening between rooms and can help with temperature control by maintaining a regulated temperature in specific rooms and lowering heat transfer between adjacent areas. Insulating interior walls can also contribute to the overall energy efficiency of your home.

Plaster itself has a higher R-value than drywall. However, there are other considerations surrounding plaster and insulation. As a general rule, it's easier to obtain consistency in insulating value and quality when working with drywall rather than plaster. Plaster walls often don't contain any insulation behind the wall covering by design, and careful evaluation is necessary when choosing to add it.

Installing sheets of plywood over attic insulation is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air—so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home. 

It’s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you’ll need to install a subfloor before putting plywood over insulation in your attic.

The R-value is a rating that measures an insulation's thermal resistance—in other words, how well it insulates. A higher R-value provides more protection for your pipes, and all pipe insulation materials should have an R-value listed on the product description or label. Each insulation type has its own R-value, which typically falls between one and five for most pipe insulation. When making a selection, Energy.gov recommends choosing a pipe wrap that is at least one inch thick, and the International Code Council (ICC) suggests choosing a material with an R-value of at least 3.

The Saint Johns, FL homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.