Serving Llewellyn, PA and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
"They arrived at 8 am but the insulation did not arrive until 5pm. The project had to be finished two days later."
Serving Llewellyn, PA and surrounding areas
Approved (Corporate)
In business since 2023
Free estimates
Warranties offered
"We are extremely satisfied with the whole process of our house being insulated. First we had the walls done, and then a couple weeks later we had our attic insulated. The crew were so nice, friendly, and knowledgeable. We are very satisfied with everything. Thank you, everyone."
Serving Llewellyn, PA and surrounding areas
Approved
In business since 1989
Free estimates
Credit card accepted
"He was very very good! He was very prompt, and I would use him again."
Serving Llewellyn, PA and surrounding areas
Approved
Free estimates
Offers commercial services
We have a single mission: Complete Customer Satisfaction! We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience.\nYou will find us to be competitively priced with close attention to the details.\nOur reputation is based on service, safety, and quality, regardless of how large or small the job.\nWe look forward to building a lasting relationship and guarantee your satisfaction!\n
Serving Llewellyn, PA and surrounding areas
In business since 2021
Free estimates
Credit card accepted
"Very good. They responded quickly and gave me a quote. They did a great job expediting the work. Their workers were on time and courteous and did a great job. I would recommend them to anyone who needs old insulation replaced with spray foam insulation"
Serving Llewellyn, PA and surrounding areas
In business since 2001
Free estimates
Credit card accepted
"Excellent experience, who knew Orkin did insulation!"
+2
Serving Llewellyn, PA and surrounding areas
In business since 2025
Free estimates
Emergency services offered
"They were honest. They came on time and their prices were reasonable. They went out of their way to help me and were so accommodating. They vacuumed and cleaned up and used foot protection to keep our house clean."
+1
Serving Llewellyn, PA and surrounding areas
In business since 2024
Free estimates
Credit card accepted
"The crew at Bullseye did a great job adding additional insulation to my attic space. They got my home back up to the proper Rvalue, they also added some vents to help with air flow. Very professional and clean up was great. Can't wait to see the savings on my heating and cooling bills!"
+5
Serving Llewellyn, PA and surrounding areas
In business since 2019
Free estimates
"Excellent. Prompt,efficient, professional. My garage is warmer and quiet. I would not hesitate to recommend Green Valley for any house or building you need insulated."
+7
Serving Llewellyn, PA and surrounding areas
In business since 2009
Free estimates
Small jobs welcome
"Had a little problem with red brick walk but owner came back twice and made it right. Front sidewalk came out great, flat and smooth. Owner is very understanding and wants to make you pleased with his work. I highly recommend this company."
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.
From average costs to expert advice, get all the answers you need to get your job done.
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