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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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1–3 of 5
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 Energy Efficiency services

Showing 13-24 of 86 services

Electrical Load Calculation for HVAC Upgrades service
ResidentialCommercialConsultation

Electrical Load Calculation for HVAC Upgrades

Review available electrical capacity and upgrade requirements for planned heat-pump, AC, or HVAC equipment.

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Electrical Panel Replacement service
ResidentialCommercialReplacement

Electrical Panel Replacement

Replace aging or undersized electrical panels where appropriate.

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Electrical Service Upgrade service
ResidentialCommercialReplacement

Electrical Service Upgrade

Upgrade electrical service capacity for building loads and planned equipment.

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Evaporator Coil Cleaning and Replacement service
ResidentialCommercialRepair

Evaporator Coil Cleaning and Replacement

Clean supported evaporator coils or plan replacement when leakage, corrosion, or damage is confirmed.

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Furnace Installation and Replacement service
ResidentialInstallation

Furnace Installation and Replacement

Install or replace gas, electric, or oil furnaces for dependable home heating.

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Furnace Short Cycling Repair service
ResidentialRepair

Furnace Short Cycling Repair

Diagnose frequent furnace starts and stops involving airflow, controls, limits, sizing, or combustion conditions.

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Heat Pump Electrical Circuit and Disconnect service
ResidentialCommercialInstallation

Heat Pump Electrical Circuit and Disconnect

Install or update supported circuits and disconnects for heat-pump equipment.

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Heat Pump Ice and Defrost Problem Service service
ResidentialRepair

Heat Pump Ice and Defrost Problem Service

Diagnose abnormal outdoor-unit ice buildup or defrost-cycle problems.

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Heat Pump Installation service
ResidentialInstallation

Heat Pump Installation

Install a properly sized heat pump for efficient year-round home comfort.

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Heat Pump Maintenance service
ResidentialMaintenance

Heat Pump Maintenance

Seasonal inspection and maintenance for reliable heat-pump heating and cooling.

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Heat Pump Not Cooling Repair service
ResidentialRepair

Heat Pump Not Cooling Repair

Diagnose a heat pump that does not provide expected cooling in warm weather.

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Heat Pump Not Heating Repair service
ResidentialRepair

Heat Pump Not Heating Repair

Diagnose a heat pump that does not provide expected heating or relies excessively on backup heat.

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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!