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Find Batt, rolled or reflective insulation install or upgrade pros in Porter

Avatar for AJ Pro Green Insulation Corp
AJ Pro Green Insulation Corp
4.9(
7
)

Serving Porter, ME and surrounding areas

Approved

In business since 2022

Free estimates

Small jobs welcome

"We were referred to AJ Pro Green by a colleague so we had them come out for a free estimate. They showed up on time and were very professional. They insulated our basement during our remodel and we couldnâ t be happier. The job was done quickly, was within our budget, and communication was fantastic. We would highly recommended!"
Roof open cell - walls closed cell
Roof open cell - walls closed cell
Roof/Attic closed cell
Spray Foam Insulation
Spray Foam Insulation

+57

Response time2 hrs
Recommended by100%of homeowners
Avatar for EcoFit Insulation LLC
EcoFit Insulation LLC
New to Angi

Serving Porter, ME and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

Ecofit Insulation provides high-quality retrofit insulation services for homeowners in the Portland suburbs and lakes region of Maine. We assess your home as a whole system and recommend what will make the biggest impact for your comfort, energy savings, and budget. Every project is custom, focused on long-term value—not upsells.\n\nWe're led by a BPI Certified Building Analyst with years of hands-on experience, and we participate in the Efficiency Maine program to help reduce your out-of-pocket costs. From attics and walls to basements and crawlspaces, our crew takes real pride in doing the job right. Our culture is built around accountability, high standards, and making the process clear, honest, and easy from start to finish.\n\nPlease note: We do not offer services for mobile or manufactured homes.

Response time2 days
Response rate87%
31 neighbors recently requested a quote
Northern Insulation
4.4(
12
)

Serving Porter, ME and surrounding areas

In business since 1996

Free estimates

Small jobs welcome

"Jason spent an hour looking over my house with me, drilling several holes to see the existing situation (and neatly covering them after): He found my walls had been filled probably several decades ago with fiberglass blown-in insulation. It had settled and wasn't super tight, but his judgement was that it did 3/4 or more of the insulating that could be done and further insulating in walls wasn't necessary, effective, or cost efficient. Then he showed me in basement where I myself could easily foam-seal sill to lumber (ends of floor beams, resting on the sill, where outside air was getting in) using a home depot product, and several other such thorough useful suggestions. From this unusual angle, I very strongly recommend Northern Insulation as a very unusually reliable company to work with."
Properly Insulated Attic
During
Insulation
Insulation
Insulation

+25

Response time1 day
Recommended by90%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)

Serving Porter, ME and surrounding areas

In business since 1971

Credit card accepted

"AHS is ok. They cover repairs of most everything under the roof of your house. The companies that contract with them are not always the best. You call AHS with the issue, they send a fax to the repair company and give you the contact info. If they don't contact you within 24 hours, you call them. Sometimes they answer, sometimes they don't. When they arrive (usually three days or so later), they service the item. if it has issues within the 90 days, you call AHS again, they are sent out with no charge. If the serviceman decides the unit is unrepairable, AHS will allow you to choose a replacement from their listing (usually not as good as what you have) they will install and remove your old item, or give you wholesale amount to buy and install your own. Prices vary on what you want covered and what you want the copay to be, plus where you live. For me it is 49.99 per month with a 75.00 time of service order. You can have more than one item serviced at the same time under the same fee. If you have a SEAR product the repair guys are great. Not that wild about the other ones they send out. But it is a big savings compared to calling someone on your own. The cost of service is only the 75.00 copay."
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+2

Recommended by65%of homeowners
Avatar for Marshall Home Pros
Marshall Home Pros
3.8(
130
)

Serving Porter, ME and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Required repair to a front dormer , which was one immediately and cost an additional $350.00 that day. Horizontal third floor gutters were cleared of debris, but apparently not the vertical draining pipes. The dormer repair failed within months. I requested n estimate for replacement of the roof, which was provided soon thereafter. I have been in discussion of the cost of the portion of the roof needing repair first, planning to have the second half done early next year. Marshall Home Pros told me that they needed to have a 50% deposit a month ahead, in order to get a permit from the city. Meanwhile, have gotten an estimate from another company, clearly written, asking for somewhat less than the total cited by Marshall. I was told that no permit is needed (angles and height of roof are not going to be changed), and without needing to hold $$ for as long. Deposit proportion is less (not really the issue except that I didn't want $$ held for 30 days or more before work date would even be assured), and readiness to do the work within a shorter period, and within a day with a large crew, to minimize disruption to residents here and nearby. Materials and specs are the same for both estimates. My degree of trust in both is not. I signed with the other company."
Additional Photos
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+32

Recommended by72%of homeowners
Showing 1-10 of 21
FAQs for batt, rolled or reflective insulation install or upgrade projects in Porter, ME

Batt insulation excels in vertical installations because it remains firmly in place and delivers consistent thermal performance. Blown-in insulation performs exceptionally in spaces such as attics, efficiently filling gaps in irregular areas. 

Employing both insulation types according to their strengths enhances your home’s overall energy efficiency and comfort by providing a tailored solution for every space.

Start by measuring the square footage of the space, then match that area with the insulation thickness you need to hit your target R-value. Add a buffer for waste and odd-shaped spots so every cavity is covered. 

Once you have a rough count, run it past a local insulation pro—their on-site advice will fine-tune the numbers and help you avoid costly miscalculations.

Old insulation that is dry, intact, and mold-free does not require removal before adding new insulation; stacking new insulation over it maintains effective thermal performance and boosts energy efficiency. 

If the insulation is damp, moldy, or deteriorated, removal is necessary to eliminate health risks and ensure maximum effectiveness of the new layer. A professional insulation contractor will assess your situation and recommend the most effective solution.

Installing insulation in an average-sized home using batts or boards requires five to 12 hours. Using spray foam or blown-in insulation requires two to five hours. These timeframes are determined by the area’s size, accessibility, and whether old insulation must be removed. 

Complex projects and hard-to-reach spaces demand extra time. Hiring an experienced insulation professional ensures that the installation is completed efficiently and correctly.

Insulation is measured by R-value, which defines how effectively it resists heat flow. A higher R-value provides superior thermal resistance, ensuring your home remains warm in winter and cool in summer. 

Choosing the correct R-value is essential for maximizing energy efficiency and comfort, and it directly impacts long-term utility savings. Professional guidance determines the optimal R-value for your specific climate.

The Porter, ME homeowners’ guide to batt, rolled or reflective insulation installs or upgrades

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