Boiler

Carrier Boiler BW3 Performance™ 84 Gas Boiler

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Technical Specifications

Product Specs

Efficiency: up to 84.4% AFUE
Fuel: gas
Boiler staging: single-stage
Boiler construction: cast iron
Ignition: electronic ignition

Service planning

How GreenFlow handles BW3 Performance™ 84 Gas Boiler requests

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

Our Happy Customers

Michael C.

always available, easy to get a hold of, as a property manager I get lots no heat emergency, usually get to it same day or next day

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...

Natalee B.

The technician came and did a wonderful job, we are very happy. He was professional and knowledgeable. Everything was resolved.

Jenny W.

Great service! On time, knowledgeable & professional

John F.

I needed 2 new AC units and decided to go with high efficiency heat pumps. I chose Greenflow because of the equipment they offered, and the price (2nd lowest quote and much cheaper than the average of all quote we received). Their technicians were very detail oriented and...

Megan S.

Great service - my air conditioning failed after hours on a Sunday. I could schedule the appointment online for Monday morning and the technician quickly diagnosed the problem and fixed it. Super helpful- will use them again!

Atrian I.

Maintenance and repair A/c unit.

Henry H.

Replace batteries in thermostat, checked furnace

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.

Alexey Z.

Great service! They were able to perform complex repairs as I requested. Instructed me well on future maintenance. Worked fast. Suggested future improvements. Great team, highly recommend.

Judy B.

Andrey was very efficient, professional and on time. The team had fast response to questions. Price to do heatpump maintenance was reasonable.

hhuang821

Recently, my tankless water heater stopped working. Green Flow Solution responded quickly after I submitted a request through Yelp. I was impressed by their service team’s responsiveness and prompt follow-up, even over the weekend. Andrey, the technician, arrived the next day and resolved the issue professionally—the system was...