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TRUSTED BY PRINCETON, NJ HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon63
    Verified insulation services reviews

Find Insulation pros in Princeton

Avatar for Insulation Express LLC
Insulation Express LLC
4.9(
47
)

Serving Princeton, NJ and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

Fair pricing, clean installs, and real results. We specialize in attic and crawl space insulation, air sealing, and moisture control—done right the first time and built to last. Call or text anytime: (732) 800-7300

Clean. Prepared. Ready to protect your home.
Out with the old. In with a healthier attic system
Floors, walls and furniture covered and protected.
We identify hidden problem areas before work begin
Out with the old. In with a healthier attic system

+10

43 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Master Attic, LLC
Master Attic, LLC
4.8(
60
)

Serving Princeton, NJ and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"I RECENTLY HAD MY ATTIC INSULATION REPLACED BY MASTER ATTIC. ALEX CAME OUT RIGHT ON SCHEDULE AND GAVE ME A FAIR PRICE. ( I DID HAVE 4 OTHER ESTIMATES) THE CREW LEAD BY ROBERTO WAS AMAZING. THEY WERE VERY CONSIDERATE, CAREFUL IN MAKING SURE THE AREA WAS SEALED OFF AND WERE VERY CAREFUL OF MY PERSONAL BELONGINGS. THEY DID A GREAT JOB IN REMOVING OLD INSULATION , VACUUMING OUT THE ATTIC ,SPRAYED AREA AND SEALED ANY OPENINGS. BEFORE THEY BROUGHT IN NEW INSULATION, THEY ASKED ME IF I WISHED TO TO VIEW THE ATTIC AND I DID. I WAS AMAZED EVEN AT THIS POINT, HOW CLEANED EVERYTHING LOOKED . (THIS INSULATION HAD BEEN UP THERE FOR 70 YEARS) NEW INSULATION WAS INSTALLED AND IT LOOKS GREAT. THE CREWED CLEANED UP EVERYTHING , EVEN VACUUMED THE AREA IN THE ROOM. ALL BAGS OF OLD INSULATION WERE REMOVED PROMPTLY AND I WOULD HIGHLY RECOMMEND THEM TO ANYONE."
Crawlspace remediation, new batt insulation and moisture barrier encapsulation
Old insulation removal and replace with new batt insulation
Rodent hole on corner of roof
New Blown-in insulation
Crawlspace remediation, new insulation & moisture barrier encapsulation

+106

Response time1 day
19 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for RJ Walsh Associates, Inc.
RJ Walsh Associates, Inc.
4.4(
111
)

Serving Princeton, NJ and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Attic insulated and sealed. They did great work and were neat. Tom offered a government rebate, which only kept the quality of his work high."
Response time11 hrs
6 neighbors recently requested a quote
Recommended by97%of homeowners
Monsters Contracting, LLC
4.6(
82
)

Serving Princeton, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Credit card accepted

"rescheduled, rather than ruin interior during storm; returned, on time, finished, one day, in a very difficult space, rather impressive! Three-crew worked diligently, Crawspace recommended for insulation by our plumber/ heating/ a/c home advisor ..."
Response time1 day
2 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for RetroFoam of Philadelphia
RetroFoam of Philadelphia
5.0(
22
)

Serving Princeton, NJ and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Hired Retro Foam of Philadelphia to install foam insulation on 3 sides of my townhouse on Wildwood Crest. They did a great job, the team of Frank, Mike, Kevin and Keith were very respectful of our property, They were very friendly and mannerly during the process. when they left, you did not even know they were at my home. Great Job Bob/Jackie Marnie"
RetroFoam Wall Insulation
Installing RetroFoam
RetroFoam with Siding
RetroFoam with Brick
Response time1 day
135 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Home Genius Exteriors
Home Genius Exteriors
4.8(
293
)

Serving Princeton, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Credit card accepted

Elevate your home with Home Genius Exteriors, setting the standard in New Jersey by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It?s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!

Roofing
Roofing
Roofing
Roofing
Roofing

+74

Recommended by86%of homeowners
Avatar for Atticare NJ Corp
Atticare NJ Corp
4.4(
98
)

Serving Princeton, NJ and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"Atticare did a thorough evaluation of the home. Because the soffits were in disrepair, there was a pest issue. Atticare did a great job coordinating with the roofers. The old insulation was removed and the area was inspected for pests, cleaned and sanitized. They returned after the repair to make sure all was sealed, and installed the new insulation. They also helped lay down some plywood for some flooring in the space as an extra. Before doing their work, they laid down material to protect the floor and removed everything cleanly. They were efficient with their work and I was pleased with the job they did. The job was priced as quoted with no surprises. Marlon and Luis coordinated the job and were friendly, professional, and experienced."
Insulation, plywood & radiant barrier
New insulation (R-19)
Droppings under the insulation
Rodents damages
Dead rodents under the insulation

+11

Response time8 hrs
87 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Atticrawl, LLC
Atticrawl, LLC
4.7(
17
)

Serving Princeton, NJ and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Welcome to Atticrawl, LLC \nWe pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Attic Insulation
Attic Insulation
17 neighbors recently requested a quote
Recommended by66%of homeowners
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Insulation questions, answered by experts

Yes, cold walls are a common indicator of poor or inadequate insulation, especially if the walls feel significantly colder than the air in the room. This suggests that heat from your furnace is escaping rather than being retained. The issue could be that the walls have no insulation, or that the existing insulation is old or has been damaged by water, moisture, or pests. Your best course of action is to hire a professional to investigate. An insulation contractor can determine if you need to add or replace insulation and can often perform the work without creating large holes in your drywall. If you suspect the problem might also be related to your heating system's performance, an HVAC technician can take a closer look.

The thickness of floor insulation will depend on the R-value you plan to achieve. R-value varies on the type of material as well as its thickness and density. Insulation materials with low R-values can be layered to match the value of denser materials. As long as your floor insulation is packed tightly, seals the area from drafts, and doesn’t prevent ventilation, it can be as thick (or thin) as you need.

Costs depend on insulation material, labor, accessibility, and whether existing insulation requires removal.

You’ve likely heard the saying “heat rises”—well, it’s true! This is why it is critical to properly insulate your attic and protect yourself from chilly winter nights. During summer, your attic insulation will also protect against excessive heat gain radiating through the ceiling into the rest of your home below.

There are two reasons why cellulose insulation repels rodents (and insects). First, the insulation has been treated with boric acid, which is a natural pest-repellent. In addition, the loose-fill style of cellulose creates less-than-ideal conditions for mice and other rodents to nest and burrow, helping to keep them at bay.

The Princeton, NJ homeowners’ guide to insulation services

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