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Water heater installation and replacement

Water heater installation and replacement gives your home or business a new hot water system when the old unit fails or can’t keep up. Green Energy Mechanical provides tank, tankless, gas, electric, heat pump, hybrid, and solar water heater installation and replacement in Lexington, Canton, Needham, and surrounding Massachusetts communities.

✓ Same-day service

✓ Licensed and BBB accredited, serving customers since 2008

✓ Upfront pricing and financing options

✓ Workmanship warranty on installation

Signs you need water heater replacement

Water heater replacement is often the right choice when age, wear, or performance problems make keeping the existing unit less practical.

Common signs include:

  • Water leaking or rust on the tank
  • Hot water runs out quickly or can’t keep up with demand
  • Frequent repairs or rising energy bills
  • Unit is 10 to 12 years old or older

Our plumber inspects the existing heater and tells you whether repair or replacement makes the most sense.

Water heater options we install and replace

Choosing a water heater for replacement starts with your hot water use and the setup in your home or business. We check space, fuel, power, venting, and water use before we size the new unit.

Tank water heaters

Tank water heaters store hot water for use throughout the day. We size the tank around daily use and recovery needs. Natural gas, electric, propane, and power vent models fit many homes and businesses.

Tankless water heaters

Tankless water heaters heat water on demand and take up less floor space. We size the unit by flow rate, hot water demand, and the required temperature rise. Gas supply, power, venting, and drainage also shape the job.

Heat pump and hybrid water heaters

Heat pumps and hybrid water heaters use power to move heat into stored water. The unit needs enough room and the right air conditions. We check the space before we recommend a model.

Solar water heating systems

Green Energy Mechanical also installs solar water heating systems for homes and businesses. We check collector space, pipe routes, storage needs, existing plumbing, and backup heat before recommending a system. 

Water heater brands we install

We install water heaters from brands such as Bradford White, Rheem, Navien, and State Water Heaters and A.O. Smith. We match the brand, system type, size, fuel source, Uniform Energy Factor (UEF), and hot water needs to the property. Manufacturer warranty coverage also helps compare suitable models before installation.

Tank water heaters work well when your property has room for stored hot water and the current setup supports a direct replacement. Tankless water heaters save floor space and heat water on demand, but the property needs the right gas or electrical capacity, venting, and drainage. We compare hot water demand and the existing setup before recommending either option.

What water heater installation and replacement includes

Water heater installation and replacement covers everything from removing the old heater to installing and testing the new water heater. Our plumber checks the setup and sizes the new heater. We remove the old water heater, make the needed connections, and test the new system.

Assess and size the replacement

We inspect the existing water heater, water lines, water pressure, fuel source, power needs, venting, space, and hot water use before replacement. The inspection helps us choose the right water heater type and size.

Remove the old water heater

We shut down the old unit and drain it. We disconnect it and remove it from the work area. Doors, stairs, basements, small utility rooms, and tight spaces affect the work.

Install and connect the new water heater

Our licensed plumber sets the new water heater and connects the hot and cold water lines. Gas units need the right gas and vent setup. Electric units need the right power supply.

We also complete the needed safety parts, including temperature and pressure relief valve requirements and expansion control, and handle permit and inspection steps required for code compliance.

Start, test, and check the heater

We fill and start the water heater. We check each connection and test the unit. We then confirm hot water flow and show you the main controls.

Water heater replacement cost and pricing factors

Water heater replacement cost depends on the unit and the work needed for the job. Type, size, fuel, work area access, venting, plumbing changes, gas work, power work, permits, old unit removal, and a direct replacement versus a system conversion affect the price.

Tankless water heater installation starts at $8,000. The typical range runs from $8,000 to $10,500+.

Green Energy Mechanical offers financing options for water heater installation and replacement.

Tank, gas, electric, heat pump, hybrid, and solar jobs need an estimate based on the selected unit and the work at your property. Green Energy Mechanical reviews the job and price before installation starts.

Why choose Green Energy Mechanical for water heater installation

Green Energy Mechanical has served Massachusetts customers since 2008. Our family has owned and run the company since then.

  • Massachusetts plumbing license #4480
  • BBB accredited with an A+ rating
  • Best Pick Reports has recognized Green Energy Mechanical for four straight years.
  • Workmanship warranty on installation work
  • 24/7 answering service
  • Same day service
  • Stocked service trucks help our plumbers complete many jobs without extra delay

Water heater installation service area

Green Energy Mechanical provides water heater installation and replacement across Lexington, Canton, Needham, and nearby communities, with local plumbers dispatched from offices in all three locations. 

Service areas include East Lexington, Meriam Hill, Munroe Hill, Liberty Heights, Canton Center, Ponkapoag, Canton Junction, Springdale, Needham Center, Needham Heights, Birds Hill, Charles River Village, and surrounding areas.

Call 781-236-3421 to confirm water heater installation or replacement service for your address.

Water heater installation and replacement FAQs

Water heater replacement often requires plumbing, gas, or electrical permits based on the type of heater and the work involved. Green Energy Mechanical handles the required permit and inspection steps for the installation.

Yes, when the property supports the required gas or electrical capacity, venting, drainage, and hot water demand. We inspect the existing setup before recommending a tankless conversion.

A fuel change depends on the gas supply, electrical capacity, venting, available space, and selected water heater. We check the property before planning the conversion.

Green Energy Mechanical provides a workmanship warranty on installation. The selected water heater also carries its applicable manufacturer warranty, which varies by brand and model.

A direct water heater replacement usually takes 2 to 4 hours. A system conversion that needs changes to gas, power, venting, or plumbing usually takes 6 to 8 hours. We review the work before installation starts.

Water heater type, size, fuel, access, venting, plumbing changes, gas work, power work, permits, and removal affect the price. Tankless installation starts at $8,000 and typically ranges from $8,000 to $10,500+.

Schedule water heater installation or replacement

Water heater installation starts with a check of the old unit, hot water use, and work area. Call Green Energy Mechanical to schedule water heater installation or replacement. We review the system, explain the replacement options, and give you the price for the job.

Testimonials

My furnace was not working this morning. I called Green Energy and within a few hours Terry was here and quickly took care of the problem. Terry has been here before and is very professional and friendly.
Ginny C.
Satisfied Customer
Very professional operation. Great technicians. Follow COVID protocol. Leave your house and property very clear with no trace that work had been done.
Susan G.
Satisfied Customer
Quinn was really nice, professional, and answered all my questions in a clear and easy manner. The woman I spoke with on the phone was also very kind, so I will definitely use this company again.
Peter T.
Satisfied Customer
Green Energy Mechanical is a pleasure to work. We had both air conditioning and heating installed. During both jobs, GEM was thorough and professional from start to finish.
Sussane P.
Satisfied Customer
I could not be more pleased with the service provided. We have upgraded our water heater to a tank less. We are also getting our heat and ac installed by them. They care for your home like you would
Bryan G.
Satisfied Customer

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