Why RES Solar:


Experienced and Trusted Installer

RES has 15 years of experience specializing in Solar Hot Water. Located in Cohasset Mass RES has a full service office, showroom and warehouse to implement and manage all aspects of a solar hot water project from rebate and finance paperwork to permitting and design/ installation. Residential solar hot water systems for homes, solar radiant combi systems and solar pool heating are very popular offerings with the generous rebates and tax credits. Solar Hot Water is an important part of the solution to reaching Massachusetts aggressive goal in reducing CO2 emissions in the Commonwealth.

RES is NABCEP Certified in Solar Heating, is certified to do installations through the Mass CEC and perform commercial scale feasibility studies.

RES has worked in every aspect of commercial and residential projects. Starting with educational outreach at local libraries, trade shows, marketing, and classroom instruction at Bristol Community College and Concord Vo-tech. RES was involved in 2011 and 2012 with ABCD to install Solar Thermal on low income housing developments throughout Massachusetts. RES has installed high profile systems for the Department of Capital Asset Management at the Mass Maritime Academy and UMASS Lowell. RES designed the first Solar Hot Water Revenue Grade Metering Package for the DOER APS program. RES is a certified WBE (Women Business enterprise)


Erica Boyle – President / Design & Sales Manager
Joe Williams –  Installation Manager
Mathew Parent – Business Development

Strategic Partnerships

Data analytics and web based monitoring platform. SolarWave has been instrumental in working with the Solar Hot Water industry to improve data collection and system performance verification.


Rivermoor Engineering
Extensive experience in providing building analysis and PE stamped drawings for the solar hot water permitting process.


Manufacturers of evacuated tube collectors. Apricus offers full design and energy modeling services.


Sun Source is a full-service distributor of solar hot water components. They are NAPCEP certified and have decades of experience in residential and commercial installations.

PV Partnerships

Experienced turn key PV installer with a territory throughout New England.

Experienced turn key PV installer covering the South Shore, Cape Cod and the Islands.

Financial Partnership

To offer customers financial solutions RES will work with MassSave to streamline their 0% interest loan.


Concord Riverwalk installation
Cape Cod Solar Hot Water
Scituate Pool Heating
Renewable Energy Systems, LLC
15 Marion Way
Cohasset MA 02025

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