Insulation service costs depend on your project and location. Check with a local pro for your specific job.
Insulation installation in Boston costs $1 to $4.50 per square foot.
Ceilings are the most affordable place to insulate, costing $0.40 to $2 per square foot.
Hiring a Boston insulation installer costs $40 to $80 per hour.
Boston homeowners can expect a 100% return on investment (ROI) for installing insulation.
Average insulation installation costs in Boston, Massachusetts, range from $1,195 to $2,792, with most homeowners spending around $1,984. Boston’s cost of living sits nearly 50% above the national average, so both insulation materials and installation labor are more expensive here than in other parts of the U.S.
With the city’s cold winters and high heating needs, proper insulation is essential. The main factors affecting the cost of installing new insulation in Boston are the area size, the type of insulation you choose, the installation location, and local labor.
How much you’ll spend on installing insulation in Boston, Massachusetts, depends on a variety of factors, including area size, insulation type, materials, location in the home, and labor. Here’s a closer look at what insulation is and how your costs break down.
You can expect to pay $1 to $4.50 per square foot for insulation installation in Boston, making the size of the area you need to be insulated a significant factor in your total cost. Your total price will be directly correlated to the cost of the material you choose and the size of the area you need to be insulated.
The table below includes some average pricing based on the room size you’re looking to insulate.
| Square Footage | Average Cost |
|---|---|
| 100 | $100–$450 |
| 500 | $500–$2,250 |
| 1,000 | $1,000–$4,500 |
| 2,000 | $2,000–$9,000 |
Your material choice plays a major role in the price of your installation. In Boston, you can pay anywhere from $0.25 to $7 per square foot for insulation, with fiberglass tending toward the lower end and wood fiber insulation toward the upper end. The table below includes some average pricing for different insulation materials.
| Material | Cost per Sq. Ft. |
|---|---|
| Cellulose | $0.60–$2.30 |
| Fiberglass | $0.30–$1.50 |
| Polystyrene | $0.25–$2 |
| Mineral wool | $1.40–$4 |
| Wood fiber | $4.25–$7 |
The type of insulation you choose for your home depends on your budget and project scope, particularly where you plan to install it, as some types perform better in certain locations than others. When evaluating types, such as blown-in versus spray foam, consider the costs and pros and cons below, keeping Boston’s cold winter temperatures in mind.
| Type of Insulation | Average Cost Per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Spray foam | $2–$3 | Excellent air sealing and high R-value (efficiency); moisture control | Most expensive; requires pro installation; can be messy & harder to modify later |
| Blown-in and loose-fill | $1–$2.80 | Fills gaps and irregular spaces well; good for attics or existing walls | Settling can occur over time; less air sealing than spray foam |
| Batt and roll | $0.80–$2.60 | Generally lower cost; easy to install in open areas | Can leave gaps if not cut/installed carefully; lower air-seal performance |
| Foam board | $1.20–$3.70 | Good thermal resistance per thickness; useful for rim joists and exterior walls | Can be awkward to fit around irregular framing; more labor-intensive |
| Radiant barrier | $0.30–$2 | Reflects heat (good in hot climates/attics); can reduce peak cooling load | Must be used with other insulation types; no R-value |
Where you install the insulation can affect the price, with garages having the lowest cost per square foot and attics having the highest. Here’s a breakdown of how much it costs to insulate each location in your home.
| Location | Average Cost per Sq. Ft. |
|---|---|
| Attic | $1–$7 |
| Basement | $1.50–$2.50 |
| Garage | $0.50–$1.25 |
| Roof | $0.50–$1.50 |
| Wall | $1–$4 |
| Ceiling | $0.40–$2 |
Site prep can add to the cost of your project, but just how much you’ll spend depends greatly on the lengths you need to take to prepare the site. Boston homeowners can spend as little as nothing or as much as $500 for the cost to repair drywall after installing insulation.
Spray foam, in particular, requires extra prep work for proper installation, whereas batt insulation generally goes in with little preparation. Site prep consists of the following:
Cover all valuables, windows, doors, and important surfaces for spray foam installations.
Make sure the electrical wiring is properly installed, and your walls are framed and fully enclosed before installing spray foam to avoid overspray.
Repair any structures in your home, including walls, attics, basements, and crawl spaces.
Remove moldy insulation, conduct a mold test, and hire a mold removal company.
Inspecting insulation to confirm proper installation.
Plan for cleanup costs for removing old insulation and debris.
Installing insulation in new construction homes is less expensive than adding it to existing homes, costing around $1 less per square foot. This is because the walls and ceilings are easier to access and install insulation, and you don’t have existing insulation to worry about. However, many new construction homes use more insulative materials for long-term performance, which tends to be more costly.
A home insulation upgrade costs between $1 and $2 per square foot on average. This doesn’t include disposal fees. Junk removal services add approximately $150 to $400 to your project, depending on the size of the job.
In addition to your insulation materials and prep costs, Boston homeowners must consider professional-related expenses when planning an insulation installation project. Here are some costs to budget for when hiring a Boston insulation pro.
Most insulation installers in Boston charge between $40 and $80 per hour, so the more complex the project, the higher the cost. A few complexities that may increase the cost of labor include:
Your installer needs to install insulation in hard-to-reach areas.
You have multiple installation sites in need of insulation.
The installer needs to remove old insulation.
Correctly installing insulation can be difficult. Health and safety risks are involved; therefore, we highly recommend contacting a pro to ensure the job is completed safely and correctly.
Most insulation installation companies include basic cleanup in their services, but you may wish to hire a professional cleaning company that specializes in construction cleanup. Post-construction cleanup in Boston costs $0.20 to $0.75 per square foot and ensures your space is free of dust and debris after your insulation is installed.
The sales tax rate in Boston is 6.25%, and homeowners here are required to pay tax on the materials portion of their insulation job. Installation labor is not taxable. If your pro provides a lump-sum invoice that bundles labor and materials, you may be taxed on the entire amount. Ask your insulation pro for a detailed quote that clearly separates labor and materials so you can accurately plan for tax costs on your project.
Along with your insulation installer, you may need to bring additional pros in to finish your project.
Electrician: Bringing in an electrician ensures all wiring is properly installed and is in good condition before you install your insulation, providing peace of mind and reducing the risk of fire. Hiring an electrician costs $50 to $130 per hour.
HVAC technician: An HVAC pro can check and seal all duct connections in the insulated area and make any necessary adjustments to your heating system to ensure optimal performance and energy efficiency. HVAC maintenance costs an average of $250 for a service call.
Proper insulation not only improves your home’s energy efficiency and lowers your heating bills by 15% or more, but it can also boost your resale value. In Boston, you can expect a 100% return on investment (ROI) on installing insulation in your home. Because Boston has cold winters and higher heating costs, you’ll likely see stronger savings from attic and wall insulation than in milder climates.
In addition, local Boston rebate and incentive programs, such as Mass Save rebates, can cover a significant portion of your insulation costs, helping boost your ROI and recouping your costs faster.
When selling your home, today’s home buyers place an increasing importance on energy efficiency, and new insulation is an upgrade with wide appeal. Homeowners should also prioritize their own comfort and the financial savings from installing new insulation, even before their home hits the real estate market.
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
11 out of 10. Wafi has helped me at two different apartments and he is always great! Good communication, efficient work, and in this case especially high quality! I’m so happy with my AC unit in now and I’d trust Wafi every time. Thank you!!
Wafi Handy ManI own a rental property in Boston and recently had a heating system issue. I was able to quickly get in touch with Aaron, told him that my tenant has a small child, and while Aaron was on the road in RI, he made an effort to stop by the place to fix the issue that same night. It meant the...
There is no one in the industry who knows bubble wrap like Patriot Relocation Corp. They handled our fragile items with the care befitting precious artefacts, carefully wrapping them in multiple layers of bubble wrap. Assuring maximum safety, it was like watching a wrapping ninja at work. Our...
Patriot Relocation CorpErwin has been taking care of my yard and snow cleaning for years. He's always very responsive and works well. I've had urgent work, several times, and he's been there, promptly to help out. I highly recommend him!
Best service at immediate request. Excellent service quality at a reasonable cost. They did a great job installing water heater. Keep up guys!!! Thank you for the great work and making in time!
Highly recommend this company . They did a great job pressure cleaning our balcony !
Very easy to deal with. Quite a long (5 week) lead time for the windows to be manufactured, but once they arrived, got the job scheduled within a week. Work performed in a morning by two guys. Came on time, acted professionally, cleaned up after. Happy with the new windows - definitely a big...
PRECISION DOOR & WINDOW INCPrior to hiring Mass Energy Lab I spoke to 3 other companies about insulating my attic. After multiple phone calls with all four companies, it was apparent that they were the most knowledgeable in their field. I requested a time table I would have expected push back on, but they were...
I hired Silmac to do some remodeling in my new condo in Boston. The job involved relocating the laundry room from kitchen to the master bathroom, removing a tub, relocating a double vanity, and building new closets at the entrance and in the master bath. I collected bids from several...
SILMAC Construction Inc.Rick, the owner was very professional, punctual and really good at explaining things in lay mans terms.Rick also communicated and worked <strong> extremely</strong> well with other contractors as this was a multi- stage process demolition, insulation and reconstruction. <br /> From start...
Rogers Insulation SpecialistsFrom average costs to expert advice, get all the answers you need to get your job done.
The cost of blown-in insulation in Boston, MA varies depending on the type of insulation, labor, prep work, and more. Learn more about the cost factors in this guide.
Attic insulation removal costs in Boston, MA, vary based on multiple factors, including why you're removing it and how easy it is to complete the task.
Not sure how much to budget for a new air conditioner? Learn about the average AC replacement costs in Boston, Massachusetts, in this guide.
Floor insulation has some of the guts and glory of eliminating outside drafts. Use this guide to learn the best insulation method for your floors.
Poor insulation in your house means a less comfortable living space and higher energy bills. Use this guide to diagnose issues with your insulation.
How much does insulation save on energy bills? It depends on where you live and the type of insulation you install.
