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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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Service categories

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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

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Showing 25-36 of 200 services

Commercial HVAC Filter Replacement Program service
CommercialMaintenance

Commercial HVAC Filter Replacement Program

Schedule and document recurring filter replacement across supported commercial HVAC equipment.

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Commercial HVAC Preventive Maintenance Contracts service
CommercialMaintenance

Commercial HVAC Preventive Maintenance Contracts

Scheduled inspections and maintenance that reduce downtime and support equipment life.

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Commercial HVAC Repair service
CommercialRepair

Commercial HVAC Repair

Diagnose commercial HVAC failures and restore heating, cooling, airflow, and controls.

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Commercial HVAC System Replacement service
CommercialReplacement

Commercial HVAC System Replacement

Plan and complete commercial HVAC replacement with coordinated scheduling and startup.

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Commercial Refrigerant Leak Management service
CommercialRepair

Commercial Refrigerant Leak Management

Locate, document, repair, verify, and plan follow-up for supported commercial refrigerant leaks.

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Commercial Refrigerant Recovery and Recharge service
CommercialRepair

Commercial Refrigerant Recovery and Recharge

Recover, evacuate, and recharge supported commercial HVAC equipment as part of a verified repair or replacement scope.

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Commercial VRF Preventive Maintenance service
CommercialMaintenance

Commercial VRF Preventive Maintenance

Provide planned maintenance for supported VRF outdoor units, indoor units, controls, filters, and drainage.

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Commercial VRF Repair service
CommercialRepair

Commercial VRF Repair

Diagnose and repair supported variable-refrigerant-flow systems, controls, indoor units, and outdoor equipment.

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Condenser Electrical Wiring Repair service
ResidentialCommercialRepair

Condenser Electrical Wiring Repair

Diagnose and repair supported wiring, whip, disconnect, and supply issues serving outdoor HVAC equipment.

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Condenser Fan Motor Repair service
ResidentialCommercialRepair

Condenser Fan Motor Repair

Diagnose and repair supported outdoor fan motors, blades, modules, and controls.

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Crane-Assisted Rooftop Unit Replacement service
CommercialReplacement

Crane-Assisted Rooftop Unit Replacement

Plan and coordinate crane-assisted removal and placement of commercial rooftop HVAC equipment.

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Data Center HVAC Preventive Maintenance service
CommercialMaintenance

Data Center HVAC Preventive Maintenance

Provide recurring preventive maintenance for supported data-center and critical-cooling HVAC 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!