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HVAC, electrical, and building services

Services for homes, businesses, and managed properties

Explore installation, repair, maintenance, efficiency, and electrical services across Massachusetts.

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Commercial HVAC services

Commercial HVAC

Commercial heating, cooling, ventilation, controls, maintenance, and replacement support for occupied buildings and facilities.

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Electrical Services services

Electrical Services

Licensed electrical troubleshooting, upgrades, circuits, controls, and equipment connections for residential and commercial properties.

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Service catalog

Browse Electrical Services

Showing 13-24 of 25 services

HVAC Electrification Consultation service
ResidentialConsultation

HVAC Electrification Consultation

Plan a practical transition from fossil-fuel HVAC to electric heat-pump systems.

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Mini-Split Electrical Circuit Installation service
ResidentialCommercialInstallation

Mini-Split Electrical Circuit Installation

Install supported dedicated circuits and disconnects for ductless mini-split equipment.

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Commercial Electrical Maintenance service
CommercialMaintenance

Commercial Electrical Maintenance

Provide planned electrical inspection and maintenance for commercial facilities.

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Electrical Inspection Corrections service
ResidentialCommercialRepair

Electrical Inspection Corrections

Address documented electrical inspection findings within the licensed scope.

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EV Charger Installation service
ResidentialCommercialInstallation

EV Charger Installation

Install approved electric-vehicle charging equipment and required circuits.

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HVAC Contactor and Relay Repair service
ResidentialCommercialRepair

HVAC Contactor and Relay Repair

Diagnose and replace supported HVAC contactors, relays, and related control components.

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Interior and Exterior Lighting Service service
ResidentialCommercialSupport

Interior and Exterior Lighting Service

Install and repair interior, exterior, and energy-efficient lighting.

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Receptacle and GFCI Installation and Repair service
ResidentialCommercialRepair

Receptacle and GFCI Installation and Repair

Install, replace, and troubleshoot receptacles and GFCI protection.

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Smoke and Carbon Monoxide Detector Installation service
ResidentialCommercialInstallation

Smoke and Carbon Monoxide Detector Installation

Install and replace supported smoke and carbon-monoxide detection equipment.

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Standby Generator Installation service
ResidentialCommercialInstallation

Standby Generator Installation

Plan and install standby power equipment for approved properties.

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Automatic Transfer Switch Installation service
ResidentialCommercialInstallation

Automatic Transfer Switch Installation

Install and coordinate automatic transfer switches for standby power systems.

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Generator Maintenance and Repair service
ResidentialCommercialMaintenance

Generator Maintenance and Repair

Maintain and repair supported standby generator equipment.

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Our Happy Customers

Henry H.

Replace batteries in thermostat, checked furnace

Jenny W.

Great service! On time, knowledgeable & professional

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Rajib M.

Andrey from Green Flow came out exactly when he said he was going to and fixed a simple problem with the heating system at my rental property. Really appreciate the quick turnaround and fair pricing.

Valni D.

I’m delighted. Andrey the technician came on time and found the problem. They charged me fairly price.We thinking about hiring the company to maintain.

Connie F.

I needed a thermostat installed. I called one day they were there the next day. Installed the thermostat and made sure it was working before they left. Came back the next day because no heat was coming out the vents and fixed that issue. No problems since. Thanks...

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

Atrian I.

Maintenance and repair A/c unit.

Enrique B.

Tankless water heater failed . I contacted Green Flow and Aundrey was dispatched. He arrived on time diagnose the issue and called the manufacturer eventually they agreed to replace the unit. Within a few days a new unit was installed and hot water was restored. Service was fast...

Yakov S.

I had an excellent experience with Green Flow, they were available to replace my dead central A/C unit on a short notice, and the price was thousands of dollars less than what I got quoted by two other companies. I would definitely use them again.

Gilberto C.

Great service. It was awesome that they were able to solve my heating issue in few hours. Love the transparency on the pricing. Andrey was great!