Energy-Efficient & Solar Homes in NH: A Buyer's Checklist

When comparing energy-efficient homes in New Hampshire, start with records. Insulation descriptions, new equipment and rooftop panels can be useful features, but they do not establish your future utility bills or a fixed resale premium. Request the information behind the claim, then compare it with how you intend to use the home.

Ask for actual energy use

Request at least a full year of available electricity and heating-fuel records, including fuel quantities as well as dollars. Note whether the home was occupied year-round, how it was heated and whether a wood stove, electric vehicle, pool or other major load affected consumption. A low bill from a lightly used second home is not a reliable full-time budget.

Compare homes with their differences in size, occupancy and equipment in view. Use the records as a starting point for an estimate, not a promise. Ask about service history, comfort problems, ice dams, moisture and rooms that are difficult to heat or cool.

Review the building before choosing equipment

Ask an energy assessor to identify air leakage, insulation gaps, ventilation needs and moisture concerns. Have proposed work coordinated with any combustion equipment and the building's condition. A new heating system does not correct every source of heat loss, and a window replacement may not be the first priority.

NHSaves lists participating utility efficiency programs. Its home energy eligibility tool asks for details such as utility, conditioned floor area and heating use. Confirm eligibility, approved equipment, application timing and available funding before treating a rebate as part of your budget.

Evaluate heat pumps for the particular house

Request model numbers, installation dates, warranty information and maintenance records. Ask a qualified contractor whether the equipment and distribution system can meet the home's heating needs, what backup equipment is used, and how controls operate together. Review electrical capacity and any work included in a replacement quote.

Compare estimated annual operating costs using explicit fuel prices, electric rates and usage assumptions. Equipment efficiency alone does not tell you which home will cost less to operate. For an older Seacoast cottage, address the year-round conversion questions before relying on a new heat pump as proof of winter readiness.

Separate owned solar from leases and purchase agreements

Obtain the installation contract, permits, utility permission to operate, warranties and production history. Establish whether the seller owns the system outright, has a loan, leases the equipment or buys its output through a power purchase agreement. These arrangements can create very different closing and ongoing-payment questions.

• What balance, transfer approval or buyout is required at closing?
• Who owns the equipment and any renewable-energy certificates?
• Who maintains the system, and are warranties transferable?
• What happens when the roof needs replacement?
• Are production estimates supported by operating records?

Have the lender and settlement professional review the actual documents early. Do not assume that panels included in listing photographs transfer free of financial obligations.

Check the applicable net-metering terms

New Hampshire's net-metering statute operates through applicable utility tariffs and regulatory rules. Ask the utility which arrangement applies to the system and what happens when ownership changes. Obtain a sample bill showing credits, remaining charges and treatment of surplus generation.

Do not assume every exported unit of electricity offsets every component of a retail bill. Also ask the installer what the system can power during an outage and whether batteries or additional equipment are required for that intended use.

Do not budget with expired federal credits

As checked September 26, 2026, the IRS states that the Residential Clean Energy Credit is unavailable for property placed in service after December 31, 2025. The IRS also limits the Energy Efficient Home Improvement Credit to improvements through 2025. Older articles describing these homeowner credits as available for new 2026 work are out of date.

Keep a claim for an earlier qualifying installation separate from a proposed new project. Ask a tax professional about your own facts and check current utility or other program terms individually; the end of these federal credits does not establish the status of every incentive.

What does “solar-ready” establish?

Ask the seller or builder to define it in writing. Request the roof assessment, shading analysis, electrical plan and any provisions for conduit or equipment space. Determine which engineering, installation and utility steps remain. A label in a listing does not establish an approved solar design, installed generation or a quoted project cost.

For resale, document completed improvements and let comparable sales and the property's overall condition inform pricing. Avoid assigning a standard percentage premium to panels, insulation or a certification. Your immediate decision should weigh comfort, verified operating history, future work and total ownership cost.

Plan your Seacoast move

Contact Michael Bean to discuss a property and the questions to resolve before buying or selling. Explore the NH Seacoast resource hub and compare Seacoast towns as you build your shortlist.