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TRUSTED BY SAN MARCOS, TX HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon140
    Verified insulation services reviews

Find Insulation pros in San Marcos

Avatar for Affordable Insulation, LLC
Affordable Insulation, LLC
5.0(
58
)
Blown-In Insulation - Install or Upgrade

Serving San Marcos, TX and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"We worked together to find the best product on the market to do the retrofit which went in quickly and the insulation smoothed out all the attic and upgraded the performance."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+35

Response time2 days
Response rate100%
21 neighbors recently requested a quote
Avatar for Texas Pro Insulators, LLC
Texas Pro Insulators, LLC
4.4(
58
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving San Marcos, TX and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Warranties offered

"Nick was very informative and we discussed all the options. The work, solar panels and blown insulation, was very professionally installed and the crew was courteous and answered all our questions. Iâ m looking forward to reduced energy costs this summer."
Certified Installation
Certified Installers
E-Shield reflective insulation
E-Shield plus Blown in
E-Shield plus Blown in

+3

Response time2 days
2 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Koala Insulation of Texas Hill Country
Koala Insulation of Texas Hill Country
5.0(
7
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+2 more

Serving San Marcos, TX and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Bottom line: I would hire this company again. Koala Insulation came and inspected my attic spaces with a infrared scanning tool. They looked at the level of insulation and found areas where the heat was penetrating more. They recommended specific actions and gave me a number of quoted options on the spot. I was then able to book the service within days of the initial visit. The technicians came and performed the service professionally and made sure to involve me where needed. I would hire them again."
Blown Insulation After
Blown Insulation Before
Blown Insualtion After
Blown Insulation Before
Shipping Container - Closed Cell Spray Foam

+4

Response time7 hrs
Response rate100%
23 neighbors recently requested a quote
Avatar for iFoam Hill Country
iFoam Hill Country
New to Angi
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or Upgrade+1 more

Serving San Marcos, TX and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

iFOAM of Hill Country TX is a locally owned and operated insulation company serving homeowners, builders, and businesses throughout the Texas Hill Country. We provide expert installation of a wide range of insulation systems designed to improve energy efficiency, indoor comfort, and overall building performance.\n\nOur experienced team installs all types of insulation, including fiberglass, cellulose, and other traditional systems. However, we specialize in advanced spray foam insulation, offering both open-cell and closed-cell solutions. Spray foam insulation creates a powerful air seal that helps reduce energy costs, control moisture, strengthen structures, and maintain consistent indoor temperatures year-round.

New Construction
New Construction
New Construction
New Construction
New Construction

+28

10 neighbors recently requested a quote
Central Texas Retrofoam
New to Angi
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving San Marcos, TX and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

RetroFoam of Central Texas is an insulation contractor specializing in foam insulation for existing homes, including injection foam to insulate existing walls. In an effort to increase comfort and reduce high energy bills, RetroFoam of Central Texas helps homeowners improve their existing home's insulation without the hassle of a full remodel.

Response time3 days
Response rate88%
80 neighbors recently requested a quote
Attic Construction
New to Angi
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving San Marcos, TX and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Attic Construction, we are driven by a single passion: improving homes through exceptional attic services.\n\nWith extensive experience in the industry, we have grown to become a trusted provider of comprehensive attic solutions across Orange County, San Diego, Dallas, and Phoenix.\n\nWe believe in delivering more than just a service; we deliver peace of mind. With a dedicated team of skilled professionals, we provide top-quality craftsmanship and personalized service tailored to each home’s unique needs. From insulation installation to rodent proofing and attic cleaning, our reliable, efficient, and affordable solutions have earned us the loyalty of countless satisfied customers.

1 neighbors recently requested a quote
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Insulation questions, answered by experts

Your home's location, budget, and the type of insulation you’re using are just a few of the factors that can help you choose the right insulation. For example, blown-in insulation is typically used in attic spaces, while batts and rolls are ideal for floors and walls. Blown-in insulation is usually a good option if you're adding more insulation to an area that already has some, but not enough.

The most energy-efficient windows are double—or triple-pane windows with low-emissivity (Low-E) coatings and gas fills between the panes. These windows reduce heat transfer, prevent drafts, and help maintain a consistent indoor temperature. But if replacing windows isn’t in your budget, pairing your existing windows with insulating window treatments can still make a noticeable difference in home comfort and monthly bills. 

Yes, cold walls are a common indicator of poor or inadequate insulation, especially if the walls feel significantly colder than the air in the room. This suggests that heat from your furnace is escaping rather than being retained. The issue could be that the walls have no insulation, or that the existing insulation is old or has been damaged by water, moisture, or pests. Your best course of action is to hire a professional to investigate. An insulation contractor can determine if you need to add or replace insulation and can often perform the work without creating large holes in your drywall. If you suspect the problem might also be related to your heating system's performance, an HVAC technician can take a closer look.

The primary reason that insulation saves you money over time is that it reduces your energy bills by making your home more energy efficient. A crucial part of an insulation system is a properly installed vapor barrier. Local building codes dictate whether your insulation requires a vapor barrier based on the type installed. While some high-quality wool insulation may not technically need a vapor barrier, most municipalities still require one to meet code.

Insulating your ducts offers several benefits, including:

  • Improved energy efficiency: Duct insulation prevents energy losses, reducing heating and cooling costs.

  • Cost savings: Lower energy bills make insulation a cost-effective investment.

  • Environmental benefits: Enhanced efficiency reduces your carbon footprint.

  • Consistent comfort: Insulated ducts help maintain a stable indoor temperature.

  • Better indoor air quality: Reduced allergens and pollutants improve air quality.

The San Marcos, TX homeowners’ guide to insulation services

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