Serving Oshkosh, WI and surrounding areas
Approved
In business since 2016
Free estimates
Small jobs welcome
"My house was cozy as ever this passed winter after this fella insulated my attic. Very nice young man"
+48
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2010
Free estimates
Small jobs welcome
"Tyler was the first to respond to an Angi List search, came the next day, and told me that my attic insulation, while not perfect, wasn't in need of adding more. I appreciated his honesty, even at the cost of losing a contract. I recommend this company based on honesty."
+1
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"They had a great group of people to work with, The crew was there at the appointment time. Nick and his team worked together well to get the job done, including adding insulation to the attic, adding foam to all exterior walls, and insulating in the basement. This was all done in 1 day and they cleaned up after themselves. I would highly recommend them."
+9
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"Kyle wen above and beyond my expectations! Very professional and knowledgeable! Every business should have someone like Kyle. I would highly recommend Elite Insulators. I have other projects coming up and he is already hired! Lol! THANK YOU Kyle!!"
+56
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2011
Free estimates
Customers say: Quick response
"Premier North did a great job insulating my garage attic. R38 really helps keep it warmer in winter. Friendly and professional service."
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2024
Free estimates
Warranties offered
"Travis, Logan and Jaxon were very professional in their work and cleaned up after. Great group of men to work with and I highly recommend Koala. Also had a room fan installed. None other of the estimates I had offered a fan. Another feature Koala offered and installed was an insulated zipped hatch cover over the entrance cover into the attic to completely seal any air leakage. Highly recommend Koala"
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2007
Free estimates
With over 10 years of experience in the insulation industry, we are the service professionals you need to take care of your home or business. We handle all types of insulation projects. We will treat your home as we would treat our own. Give Spray Foam Genie a call today, we look forward to working with you!
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Quick and efficient and did the job the way they said they would"
Serving Oshkosh, WI and surrounding areas
Approved
In business since 2016
Free estimates
Small jobs welcome
"He was very efficient cost, and timewise. Didnâ  t leave a mess, very friendly and courteous! Would absolutely recommend him!"
+17
Serving Oshkosh, WI and surrounding areas
Approved (Corporate)
Free estimates
Credit card accepted
Offers commercial services
RetroFoam of Wisconsin specializes in RetroFoam injection foam insulation for existing walls, helping homeowners improve comfort and energy efficiency without the mess or disruption of a full remodel. Our insulation solution is designed to reduce drafts, help maintain consistent indoor temperatures, and make homes more comfortable year-round. We serve homeowners across the state. Whether you live in a historic home or a newer build, our team provides a proven insulation solution tailored to your needs.
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.
Budget for attic insulation removal costs based on factors such as attic size, insulation type, site condition, hazardous materials, labor, and more.
Use this guide to budget for roof repair costs based on factors such as roof condition, materials, size, repair type and severity, and more.
Need fascia and soffit repairs? Hiring a pro ensures proper installation, protects against pests, and prevents structural damage. Learn about common warning signs, material options, and how fascia and soffits safeguard your home from moisture.
Our comprehensive cost guide will help you explore the costs associated with roof replacement, including roof pitch, shape, design, square footage, and more.
Learn who to call for HVAC inspection. Discover which pro to hire, what to expect from an HVAC inspection, and average costs for your home.
Finish your home project on a budget with this cheap windows buying, installing, and replacement guide.