Westmoreland NH's Go-To Insulation Contractor

Our team at Farnum Insulators insulates homes across Westmoreland and surrounding areas. With over two decades of experience, we help you enjoy a more comfortable home year-round.

Spray Foam & Cellulose Insulation for Westmoreland Farmhouses

We deliver spray foam and cellulose insulation. Each area of your home points us to the right one: spray foam in basements and crawl spaces, cellulose in the attic.
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Spray Foam Insulation

In basements and crawl spaces, spray foam holds up against moisture and adds a higher R-value. That combination helps the whole house feel warmer.
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Cellulose Insulation

Up in the attic, we blow in cellulose made from recycled material. It works its way into gaps around framing and wiring, helping keep warm air in the rooms below.

Our Process, Explained

Free On-Site Visit

Step one is a free visit to get to know the house. We spend time in the basement, crawl space, and attic to see what's going on.

Your Custom Insulation Plan

Afterward, we build a custom insulation plan around your home's construction and what it needs.

Careful, Efficient Installation

The final hands-on step is installation. Our crew works carefully and keeps you informed until the last area is done.

A Steadier Home

Once we're done, the difference reaches the rooms above your basement, crawl space, and attic. Your home keeps a steadier, more comfortable temperature.

Recent Insulation Projects

Give Your Farmhouse a Comfort Upgrade

Older homes can feel drafty and cost more to heat. A few changes in the right places can make your house warmer and more comfortable.

The Farnum Track Record in Westmoreland

Our standing in the industry includes: – Building Performance Institute certification – Accredited with the BBB at an A++ rating – Named 2022 Partner of the Year by Efficiency Vermont

Why Homeowners Choose Farnum

Serving Westmoreland and the Upper Connecticut River Valley

We serve Westmoreland, New Hampshire, including Walpole, Keene, and Surry, and reach across the river into nearby Vermont communities like Dummerston and Putney. If your town isn’t listed, contact us. We likely still cover it.

Frequently Asked Questions

Can you insulate an older Westmoreland farmhouse without damaging its structure?

Yes. Our crew works carefully around original framing and fits the insulation to the house.
Spray foam is best for the basement because it handles moisture, and cellulose is the better choice for the attic.
Rebates and incentives vary by utility and program. Reach out and we’ll guide you through your options.
Yes. Drafts ease up, and the house becomes easier to heat.