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

Avatar for Prudent Homes
Prudent Homes
4.7(
236
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"Following discovery and repair of a roof leak, I needed to have my existing attic insulation removed, and new insulation installed. I received several quotes, and decided to choose Prudent based on David's timely and professional communications, honest appraisal of what the job would entail, and competitive pricing. David and his team did an excellent job throughout the process. They arrived on time, used drop cloths and plastic covers to keep everything clean, walked me through the process and progress, and shared pictures of areas I couldn't easily see or get to myself. At the end of the job, they thoroughly cleaned up all debris and left the house and property as they had found it. We discovered a minor issue later that evening, and David sent a member of the team out to fix it the next day. Excellent communication and work - very happy with the end result, and would hire again in a heartbeat."
27 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Founders Insulation
Founders Insulation
4.9(
17
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"The company did a good job replacing old insulation in our attic. There was a communication hick-up but the project manager we worked with - Jamie - was able to correct and resolve the issue."
Exterior Walls
Exterior Walls
Roof line
Exterior Walls
Exterior Walls

+11

Response time12 hrs
262 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Atlas Home Energy Solutions LLC
Atlas Home Energy Solutions LLC
4.9(
105
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"This probably the most professional service organization I've worked with in any capacity. They did a comprehensive audit and we discussed issues that could be remediated prioritized by the biggest bang for the buck and then they did the fixes we agreed upon. I always felt like I was dealing with an expert who had my best interests at heart - work that they could have done that they advised could be deferred. Ended up increasing the insulation in the attic which I'd known for years was a problem and sealing the ducts which has made a noticeable difference. I'd happily recommend Atlas to anyone who thinks they might benefit from a home energy audit and efficiency upgrades."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Response time3 days
12 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Koala Insulation of Washington DC
Koala Insulation of Washington DC
5.0(
14
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

Here at Koala Insulation of Washington DC, we pride ourselves on our professionalism, as well as our ability to complete every job to the homeowner's total satisfaction. We never leave a job unfinished, or a homeowner not 100% satisfied with our level of service. We handle insulation work in Washington DC and the surrounding areas - Call today!\n\n

Project Photos
Project Photos
58 neighbors recently requested a quote
Avatar for Elite Thermal East
Elite Thermal East
4.3(
104
)

Serving Bethesda, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"Chad was very helpful, informative and gave us exactly what was needed and asked for our ceiling project. Not one complaint. Job was completed on time, work area cleaned, insulation had the desired effect. Not once complaint - Thank you Elite Thermal for a stress free job! Its a rare experience in construction projects!!"
Cellulose Blown Insulation - Rem/Repl Before/After
Cellulose Blown Insulation - Before/After
Cellulose Blown Insulation - Before/After
Fiberglass Batt - Before/After
Fiberglass Batt - Remove & Replace - Before/Af

+5

Response time1 day
Response rate94%
86 neighbors recently requested a quote
Avatar for Terra Insulation
Terra Insulation
4.9(
7
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Great! Job was complete .... removal of existing 50+ year old insulation, air sealing attic, baffle installation, installed 18 inches new fiberglass blown insulation, and new whole-house fan. Job started and completed as proposed. Crew on-time, quietly performed their work, and left spaces clean when done. Definitely worth the cost as noticeable improvement in second floor temperature and humidity readings."
Owens Corning ProPink R-49 Blown-In Insulation. Our most popular product
These vents help your attic circulate air. With attics reaching over 120 degrees in the summer these are very important. They prevent mold and increase the lifetime of your insulation. Most other contractors miss installing these.
Look at the difference! Our foam is fire-rated which allows us to air seal around penetrations that contractors never could before.
Most homes have penetrations all over there attic. Imagine trying to blow up a balloon with a bunch of holes. It will never fill up. Now imagine trying to blow up your house with air conditioning and heating with a bunch of holes in the attic. It will never fill up.
Recessed can lights are notorious for leaking air. Recessed can light covers help with air-sealing your living space and prevent fires.

+1

Response time3 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Complete Home Solutions, LLC
Complete Home Solutions, LLC
3.9(
84
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"They found 2" insulation in my attic, and they recommended me to air seal and insulate with 11" cellulose. I felt the difference from the very first day"
 Stone Front of Addition
 Kitchen
 .
 After
Screened Porch and Deck

+93

Response time1 day
12 neighbors recently requested a quote
Recommended by74%of homeowners
Avatar for Atlas Home Energy Solutions
Atlas Home Energy Solutions
4.1(
34
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"We contacted Atlas for an attic insulation estimate. They persuaded us to pay $100 for an energy audit which put us into the Maryland rebate program. As we discussed the project I told the estimator that our kids bedrooms had never gotten much airflow. He said they could seal the holes in the ducts with a spray system. Long story -short: they found we were losing 49% of our conditioned air through holes in the ducts into walls and ceilings. Atlas did the insulation, the duct sealing, installed exhaust fans in the bathrooms, sealed basement walls, and weather-sealed two doors. Their workers were professional, efficient, and incredibly courteous. With the rebate we got incredible value for our costs. Not cheap but worth every penny. HIghly recommended."
Visual Inspection of all Areas of your Home
Attic Insulation and Air Sealing
Infrared Camera Inspection
Attic Spray Foam
Blower Door Whole House Air Leakage Test

+11

Response time1 day
Recommended by87%of homeowners
Avatar for Diaz Painting & Renovations LLC
Diaz Painting & Renovations LLC
4.9(
124
)

Serving Bethesda, MD and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"My roof trim is in need of replacement to keep in HOA compliance. Diaz showed up with a free estimate and a more reasonable price than two other contractors who gave me a quote for the job. The work is on a three story townhouse, which is a high risk job and weather is a major matter for safety reason. There was a lot of delay due to weather and scheduling. Diaz was able to handle rescheduling via text and his guys were able to get the job done."
bathroom remodeling
bathroom remodeling
bathroom remodeling
bathroom remodeling
bathroom remodeling

+62

Response time2 days
Response rate98%
7 neighbors recently requested a quote
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FAQs for batt, rolled or reflective insulation install or upgrade projects in Bethesda, MD

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 Bethesda, MD 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.