Trusted by 500+ homeowners over the last 20+ years, based in Minneapolis and scheduling insulation jobs across Minnesota
Your Trusted Local Insulation Experts in Northfield
We are a local, owner-operated insulation company dedicated to helping Minnesota families make their homes more energy-efficient and comfortable.
Travis personally manages every job site from start to finish to ensure professional craftsmanship and a clean, thorough installation. Our team takes care of 100% of your local utility rebate paperwork for you, making the entire home upgrade completely simple and frictionless.
Insulation Services
Insulation Types We Install in Northfield
We offer three proven insulation materials, each matched to your home’s specific needs and budget.
Where We Install Insulation in Northfield
We insulate every part of your home or building, from the attic down to the crawl space.
Types of Properties We Insulate
From single-family homes to large agricultural buildings, we bring the same certified expertise to every project.
Why Northfield Homeowners Choose Spray Foam
Minnesota winters demand insulation that actually performs
Stop Winter
Drafts
Spray foam expands to fill every crack and gap, an airtight seal fiberglass batts cannot match. No more cold spots or uneven heating in your Northfield home.
Lower Energy
Bills
ENERGY STAR estimates about 15% savings on heating and cooling from air sealing plus insulation. Many Northfield projects also qualify for utility rebates.
Increase Home Value
Buyers notice a home that stays comfortable year-round. Insulation pays you back twice: lower bills while you live there, stronger appeal when you sell.
Reduce Exterior Noise
Open-cell spray foam is an exceptional sound absorber. It fills the wall cavity completely, so rooms near busy roads, flight paths, and neighbors feel noticeably quieter.
Help Stop Ice Dams
Ice dams start when heat leaks into the attic and melts the snow on your roof. Sealing those air leaks first, then adding insulation, keeps that heat in the house.
Eco-Friendly
Choice
Reducing your energy consumption is one of the most impactful things you can do for the environment. Spray foam lasts the life of the home without settling or losing R-value.
Insulation for Northfield Homes
Northfield sits south of the metro, mostly in Rice County with a small part in Dakota County, and the housing mix reflects its history as a college town. The neighborhoods around Carleton and St. Olaf are full of Victorian and Craftsman homes from the late 1800s and early 1900s, and those are the houses we get the most calls about. The original insulation in a 100-year-old Northfield home has long since compressed into nothing. Attic floors with almost zero effective R-value, rim joists that were never touched, and upstairs rooms that are hot in July and cold in January because the ceiling follows the roof slope with no real insulation underneath. We also work on newer Northfield homes, where the common issue is rim joists and wall transitions that the original contractor skipped. CenterPoint and Xcel serve the Northfield area, and we handle all the rebate paperwork.
Common Insulation Problems in Northfield Homes
Northfield's older neighborhoods around the two colleges have a high concentration of late 19th and early 20th century homes. These homes were built long before Minnesota's current energy code and typically have minimal attic insulation, no air sealing, and completely uninsulated rim joists. Craftsman bungalows and Victorian two-stories with finished upstairs rooms are common, and those upper floors are almost always uncomfortable because of inadequate insulation at the knee walls and sloped ceiling sections. Newer Northfield homes are generally better insulated but frequently have rim joist gaps and wall-to-ceiling transition issues.
Call Spray Foam Insulation Plus today for a free energy-audit of your Northfield home.
What Our Customers Say
"These guys are great!! They arrived on time, were efficient in their work process, and explained the work to me in detail so I could fully understand what I was paying for. And one more plus – they were nice guys who take pride in their work. I would highly recommend Spray Foam Insulation Plus for your project." – John R., Minneapolis
How It Works
From first call to finished project in 4 simple steps,
Free Insulation Inspection
We come out to your house to track down exactly where your expensive heat is escaping and find your hidden drafts.
Simple,
Flat-Rate Quote
You get a clear price with zero hidden fees, and we figure out exactly how much Xcel or CenterPoint rebate cash you qualify for.
Clean,
Fast Installation
Travis personally oversees the job to ensure your home is sealed up tight, and we clean up every speck of mess before we leave.
Guaranteed
Year-Round Comfort
You finally get to enjoy a warm, quiet house with lower monthly energy bills, all backed by our 15-year workmanship guarantee.
Want Ballpark Pricing? Call and the Owner Answers.
We don’t publish per-square-foot prices because material costs change quickly. Call and you talk to Travis, the owner: straight answers, current ballpark numbers in minutes, and a firm quote after he sees your project. No call center, no pressure.
Frequently Asked Questions
How much does insulation cost in Northfield?
Every house is different, so we do not publish per-square-foot prices. Travis looks at what you have going on: how much insulation is in there now, whether there is a vapor barrier, how much air movement, and how hard the attic is to work in. Then you get a bid that matches the actual job. Want ballpark numbers first? Call him. He answers the phone and can usually give you current ranges in a few minutes. And if you qualify for a CenterPoint or Xcel rebate, that can take a real bite out of the price, sometimes half or more depending on the program.
Do Northfield homes need special insulation for ice dams?
Yes. Ice dams are common in Northfield's older homes because the original attic insulation has compressed to the point where it provides almost no thermal barrier. Ice dams come from heat escaping into the attic and melting snow that refreezes at the eave. The fix is stopping that heat loss: air seal the attic floor, spray foam the trouble spots, get the insulation to the right depth, and make sure the attic vents correctly. Do that and the roof deck stays cold all winter.
How far does SFI Plus travel for insulation work in Northfield?
Northfield is about 35 miles south of Minneapolis, right off I-35. It's close enough that we can often schedule Northfield jobs on the same run as Faribault or Lakeville. Call Travis to talk through timing.
What type of insulation is best for Northfield homes?
It depends on the house. For most Northfield homes the best results come from spray foam at the rim joists and the trouble spots, with blown-in on the attic floor. For Victorian and Craftsman homes with finished upstairs rooms where the ceiling follows the roofline, spray foaming the roof deck directly is often the right call. Travis looks at the house first and tells you what application actually fits it.
We have a Craftsman or Victorian home in Northfield. What should we expect?
Older Craftsman and Victorian homes in Northfield are some of the most rewarding jobs to do because the improvement is so noticeable. The original insulation is usually mineral wool or early fiberglass that has been settling for 80 to 100 years. We air seal first, then bring the attic floor up to R-49 with blown-in. If there's a finished room with a sloped ceiling, we look at spray foaming the roofline. The rim joist is almost always uninsulated too, and foaming it is a half-day job that makes the basement noticeably warmer. Travis walks through everything with you before and after.
How SFI Plus Serves Northfield Homeowners
Travis does every Northfield estimate himself, so the bid you sign matches the work that goes in, with nobody in between to lose the details. He plans each Rice County trip around your project and other jobs nearby, and you agree on the date together up front. Call and tell him which room stays cold.
Neighborhoods we serve in Northfield: Downtown Northfield, Carleton College area, St. Olaf area, East Side, Division Street corridor
Ready to Lower Your Energy Bills?
Get a free, no-obligation estimate from our BPI-certified team.