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Onlysolar DiagnosticSolar installer in Keene, NH

Onlysolar Diagnostic is a solar installer at 57 Old Whitcomb Rd, Troy, NH 03465, rated 5.0 from 1 Google review. Open Monday to Saturday.

Keene, NH0 paid placements in any rankingHow we rank

Call (603) 209-5856

Key facts

Key facts about Onlysolar Diagnostic
Address57 Old Whitcomb Rd, Troy, NH 03465, Keene, NHGet directions
Phone(603) 209-5856
HoursMonday to Saturday: 7 AM – 7 PM
Google rating5.0 from 1 Google review

Trades

Each trade shows the evidence we matched it on.

  • Solarmain tradeGoogle main category

Service area

Serves Keene and 11 towns within 40 miles: Swanzey, Rindge, New Ipswich, Milford, Weare, Hollis, Bedford, Merrimack, Hopkinton, Litchfield and Nashua.

Based in Keene, NHView on map

Opening hours

Opening hours for Onlysolar Diagnostic
DayHours
Monday7 AM – 7 PMevening
Tuesday7 AM – 7 PMevening
Wednesday7 AM – 7 PMevening
Thursday7 AM – 7 PMevening
Friday7 AM – 7 PMevening
Saturday7 AM – 7 PMevening
SundayClosed
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays — no

Typical solar installation prices

Typical solar installation prices
JobLowTypicalHigh
Solar panel installationPer system: about 12 kW at about $2.60 per watt, before incentives. US national range × 1.05 New England factor (2025 Cost vs. Value Report)$28,990$32,790$35,670

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

5.0from 1 Google reviews

Hired Onlysolar Diagnostic? Write a review

Questions about Onlysolar Diagnostic

What are Onlysolar Diagnostic’s hours?

Onlysolar Diagnostic is open Monday to Saturday. Its listed hours are Monday to Saturday, 7 AM – 7 PM. On Saturdays it is open 7 AM to 7 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Onlysolar Diagnostic serve?

Serves Keene and 11 towns within 40 miles: Swanzey, Rindge, New Ipswich, Milford, Weare, Hollis, Bedford, Merrimack, Hopkinton, Litchfield and Nashua. The list is based on the business's location and the usual service radius for solar installation. Confirm your address is covered when you call.

What do Google reviews say about Onlysolar Diagnostic?

Onlysolar Diagnostic has a rating of 5.0 from 1 Google review. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Onlysolar Diagnostic?

Call Onlysolar Diagnostic on (603) 209-5856. The business is at 57 Old Whitcomb Rd, Troy, NH 03465, Keene, NH. Ask for a written estimate before any work starts.

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