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Top-Rated Insulation pros in Fredericksburg - Updated Nov 2026

Avatar for Koala Insulation of Texas Hill Country
Koala Insulation of Texas Hill Country
5.0(
7
)
Insulation - Install or Upgrade

Serving Fredericksburg, 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%
21 neighbors recently requested a quote
Avatar for Hawx Insulation-San Antonio
Hawx Insulation-San Antonio
4.1(
361
)

Serving Fredericksburg, TX and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

Recommended by75%of homeowners
Avatar for Foam Improvement
Foam Improvement
4.2(
9
)

Serving Fredericksburg, TX and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"Very professional did amazing work to my detached garage. The roof and sides were done with the sides cut for drywall. I am very pleased with the work and would highly recommend."
Response time2 days
Response rate96%
7 neighbors recently requested a quote
Diamond W Specialties
5.0(
2
)

Serving Fredericksburg, TX and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

"I researched many barn construction companies before making the decision to use Diamond W Specialties. They built me a steel buildings that is 40x40 including a 10x40 lean to that will be used as a porch. The concrete work was excellent as was the construction on the steel building. They told me they would be complete in one month from start to finish. Even with the week of Christmas holiday they completed the job in less than one month. The crew would arrive before daylight and work by their headlights until it was daylight then they worked past sundown. Each crew member had his specific job to do and it was like an assembly line. No one ever stood around wasting time. After construction was completed I expected them to pack up and leave but the doesn't half a day finding little things that most people wouldn't see and fixed them. When I went around the building looking for anything that was incomplete I didn't find a thing. Diamond W Specialties in my opinion is the best steel building construction company, period."
Recommended by100%of homeowners
BluSky NM Drywall Lath & Plaster Inc
4.8(
249
)
Insulation - Install or Upgrade

Serving Fredericksburg, TX and surrounding areas

In business since 1994

Free estimates

Emergency services offered

"All of the work was done as described and in a timely manner. Alvaro (president) explained the process and answered any questions we had. The crew was punctual, courteous and respectful of the property. Windows, doors and vigas were taped off, drop cloths were used where material would splatter. After the completion of the project everything was cleaned up and put back in place. The workmanship is outstanding and the house looks brand new."
Additional Photos
Additional Photos
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Recommended by98%of homeowners
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FAQs for insulation service projects in Fredericksburg, TX

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The Fredericksburg, TX homeowners’ guide to insulation services

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

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