Years in business

> 13


Review score is above industry average of 3.96


NABCEP qualified installer



There are no cons noted

Solar panel cost calculator

Latest American Sentry Solar reviews

Latest review

Ronald Lentz over 1 month

Seems it may pay for itself after 10 years or so. I had an electric bill that was approx half what it regularly was, but that was before the upgraded meter was installed. Since that was installed, it has been running in reverse more than forward, so that is a good sign. The panel installation looks good as well.

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Latest complaint

DKC, over 1 month

I wanted a zero BGE bill. We sat down and figured out the production needed to accomplish this. They sized a system. The system only produces about 75% of what they claimed

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All American Sentry Solar reviews

American Sentry Solar prices

This installer does not publish their standard system prices on the net.

As such we have used average pricing from the installers service areas as a proxy for what this company would most likely charge for a solar system.

System size


Average cost per watt


Net cost of system

$18,518 - $22,633

Average payback time

Annual power production

16,190 kWh

Levelized cost of solar energy

Levelized cost per kWh is the cost of the solar system divided by the total number of kWh produced by a solar system over it’s lifetime.

5¢ kWh

If you don't get solar

21¢ kWh

Forecast average MD electric rates over the next 25 years

Installers description for their business

American Design and Build has over 26 years of experience, and specializes in all aspects of exterior remodeling, including roofing, siding, windows and doors. Our team of solar experts were paired with the top roofing specialists in the business to offer homeowners a solar solution with the highest quality. American Sentry Solar/American Design & Build Quick Facts:

Founded in 1993 by current President Joe Tunney in Bel Air, Maryland Licensed by the Maryland Home Improvement Commission (#46549) A+ Member of the Better Business Bureau of Maryland – Torch Award Winner 2000 Top 500 Remodelers in the Country by Qualified Remodeler Magazine (#83 in 2007) 2004 Contractor of the Year – NARI Certified Master Remodeler – The Home Builders Association of Maryland CotY Showcase Award Winner

Brands sold



221 Gateway Drive Suite G, Bel Air MD, 21014


(click to reveal) ..0555


American Sentry Solar

Office locations

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221 Gateway Drive Suite G, Bel Air MD, 21014

TEXAS - San Antonio

10873 Hillpoint, San Antonio TX, 78217

Accreditations and affiliations

Top 100 Solar Installers of 2020 Top 100 solar installers
Better Business Bureau Solar Energy Industries Association Solar Power World

Service Types

Residential solar - Grid tied

Small commercial solar - Grid tied

NABCEP certifications

NABCEP Certified Solar PV Installer
Gailan Wensil-Strow

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