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*The Angi rating for Energy Efficiency Auditing companies in Ossipee, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Ossipee, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on February 09, 2026

Top-Rated Energy efficiency auditors in Ossipee - Updated Nov 2026

Avatar for Bryan's Solar Energy Facebook
Bryan's Solar Energy Facebook
5.0(
1
)
Energy Audit - For BusinessHome Energy Audit

Serving Ossipee, NH and surrounding areas

In business since 2019

Credit card accepted

Offers commercial services

"I had a wonderful experience with this company. They were punctual, very friendly and kind, and clearly knew their business. I would highly recommend them to any homeowner! Great job Team!"
New gas and hot water
new electric
sfter completion
plumbing
Response time12 hrs
Recommended by100%of homeowners
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Avatar for Russell Inspection Services Facebook
Russell Inspection Services Facebook
3.9(
17
)
Energy Audit - For BusinessHome Energy Audit

Serving Ossipee, NH and surrounding areas

In business since 1985

"very prompt and professional; did project in timeframe stated; excellent cleanup.; Peter was excellent to deal with and his crew was first rate"
Vinyl siding and trim
170 year old colonial
2 Car garage
New construction home
2 front windows before i

+8

Recommended by75%of homeowners
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Building Alternatives Inc
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Ossipee, NH and surrounding areas

In business since 1986

Free estimates

We are independent; we work for you the home owner. Many of our competitors work for suppliers and may only offer you one solution, because that is what they sell. They also may not have the breadth of knowledge (we have 30+ years) to offer you all the options you need to make a decision. We are NOT owned by a trade or supplier, thus we will provide you all the options you need to effectively make your home more energy efficient \nWe have considerable experience in building energy efficient homes and in using the different technologies, modular, timberframe. SIPS, ICF and 2x6 panelized to build a home. This experience makes it easy to identify problem that are caused by the specific construction. Without this experience opportunities will be missed. We will recommend renewable energy options for your new or remolded green home. \n \nBBB - Member in Excellent standing from 1988 to present \nManchester Chamber of Commerce - Member in Ecellent standing from 1987 to present \n

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Energy Efficiency Auditing FAQs, answered by experts

Solar water heating systems are not one-size-fits-all. You'll likely work with a team of experts to get the job done—including solar panel installers, plumbers, and water heater installers. A specialist will help you decide if a passive or active system is best for your local weather, home layout, roof stability, and your budget.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

DIY is possible with basic tools. Professional audits provide comprehensive assessments and tailored recommendations.

A small sump pump running infrequently uses an average of 10 kilowatt-hours (kWh) of electricity per month. The average cost for electricity is $0.171 per kWh. The size and use frequency affect how much electricity it uses. Sump pumps average one-third to one horsepower (hp) motors. One hp is equal to 745.7 watts. Watts multiplied by the time your pump is running divided by 1,000 equals your average kWh. Multiply kWh by your average cost of electricity. In areas with high rain or a marsh basin, the average cost can be as high as $15-$25 a month.

You'll likely need more than great home staging to sell your home. Now is a great time to get to work on the curb appeal of your home . Hire local exterior painters and landscapers to coat the exterior of your home and bring it new life with some sprucing up.

The Ossipee, NH homeowners’ guide to energy efficiency auditing services

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

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