How to Choose the Right Insulation Company for Your Home

Insulation’s not the sexiest topic in the world, but if you care about comfort, energy bills, or not freezing your tail off in February, it matters—a lot. But here’s the kicker: good insulation is only as good as the folks putting it in.

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Pick the right crew, and you’ll stay cozy for decades. Pick the wrong one, and you’re left with drafty rooms, lumpy attic fill, and a bill that hurts more than the cold.

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Here’s how to tell the pros from the pretenders—straight from a team that’s been doing this for nearly 50 years on the Connecticut shoreline.

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1. Look for Experience (Not Just a Truck and a Ladder)

Insulation isn’t paint. You can’t just slap it up and hope for the best. Every home has quirks—especially the older colonials and beach houses around here. Different areas of the house also require different insulation strategies. An attic is not a basement is not a wall.

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You want a team that understands building science, not just how to blow fluff into an attic.

Ask:

• How long have they been doing just insulation?
• Do they actually specialize, or is this just another checkbox service?
• Do they know how coastal homes breathe, leak, and shift?

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At Nealon, this is our bread and butter. We’ve been insulating Connecticut homes since 1977—longer than some companies have been alive. We know what works here because we've seen it all: storm surge crawlspaces, sagging batts, and 100-year-old rafters that don’t follow the rules.

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2. Ask What Materials They Use (and Why)

Insulation isn’t a one-size-fits-all job. A good company won’t just give you one option—they’ll walk you through what’s best for your house.

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Here’s the short version:

• Cellulose: Our go-to. It’s recycled, dense, good at sealing air leaks, and holds up in messy New England weather.
• Fiberglass: Cheap. Works okay if installed right, but that’s a big “if.”
• Spray Foam: Great air seal, but pricey and not so easy to undo if something goes sideways.

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Bottom line: if the company can’t explain the pros and cons in plain English, you probably don’t want them jamming materials in your walls.

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3. Make Sure They’re Licensed, Insured, and Legit

This seems obvious, but you'd be surprised. If they can’t show you a license or proof of insurance, show them the door.

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Ask for:

• Their Connecticut contractor license
• Proof of liability insurance
• Workers’ comp coverage

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Because let’s be real—if someone falls through your attic ceiling and they’re not insured, you could end up holding the bag. No thanks.

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4. Check the Receipts (a.k.a. Reviews)

Real companies leave a paper trail—and I don’t mean the invoice.

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Look at:

• Google reviews (read the bad ones too)
• Their BBB profile
• Testimonials from real customers

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We’re proud of our track record, but we always tell folks: don’t take our word for it. Ask around. Chances are we’ve worked on your neighbor’s house, or your cousin’s place in Guilford.

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5. Ask About Energy Rebates

If you’re in Connecticut, EnergizeCT offers rebates to help cover the cost of insulation. But here’s the catch—you need a certified contractor to qualify.

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We’re part of the EnergizeCT Insulation Installers Network, which means we know how to get you the biggest bang for your buck. We even help handle the paperwork, because who’s got time for that?

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6. Get a Proper Estimate (Not Just a Guess)

A pro doesn’t quote you over the phone without seeing your house. They show up, check everything out, and walk you through the plan.

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You should expect:

• A free inspection
• A detailed breakdown of costs
• Clear expectations around savings and comfort

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If a company’s vague or pushy, that’s a red flag. You want honest advice, not someone trying to hit their sales quota.

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7. Pay Attention to How They Treat You

Do they call back? Show up on time? Take their shoes off when they come in?

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The best companies treat your home like it’s their own—and they back up their work with a warranty.

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At Nealon, we don’t do hard sells or ghost you after the install. We stick around. Because the work we do is supposed to last for decades—and so is the relationship.

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Why Homeowners in Connecticut Trust Nealon Insulation

Here’s what you get when you work with us:

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✅ 48 years of experience
✅ Specialists in cellulose and spray foam insulation
✅ Certified with EnergizeCT to help you save money
✅ A crew that shows up, cleans up, and does the job right
✅ Local to the shoreline—and proud of it

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If you're ready to insulate smarter and skip the runaround, we’d love to chat. Start with a free quote right here:
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👉 Give the team that's been trusted since 1977 to insulate homes across the state of Connecticut!

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