Skip to content
Farrell Plumbing

Plumbing Price Guide

Water Heater Installation: what does it cost?

A clear look at the work, the price factors, and the questions to ask before you approve a plumbing job.

Start With The Price

What will the work cost?

The tank is only part of the price. We show completed installation examples with permits, connections and other work where it was charged. Bringing your own heater changes the price, so we show that separately.

The work behind the number

Planning range for Farrell-supplied 30–50 gallon electric tanks, including standard and upgraded tank-warranty choices. The reviewed work ranges from a straightforward change-out to jobs with expansion control, a permit, an electrical disconnect or more involved access. Shelf-mounted, gas, tankless and hybrid equipment are separate below.

What can change your price?

  • Tank size, fuel type, model, and warranty package.
  • A straightforward replacement versus changing to tankless, gas, or a heat-pump unit.
  • Permit requirements, expansion control, shutoff valves, drain pans, and existing connections.

Completed jobs reviewed

$1,700–$3,900

Farrell-supplied 30–50 gallon electric tanks, with installation

Planning range from reviewed work

31 completed jobs reviewed for this guide. Counts vary by scope. January–September 2026. Reviewed September 16, 2026.

These are historical examples of the work described here. They are not a guaranteed current quote or a price for every job in this category.

You approve a written price before work begins.

Behind The Price

Where this guidance comes from.

Completed jobs reviewed

We reviewed the charged work in completed Housecall Pro jobs, not just job titles. These are selected examples, not a company-wide average. Planning ranges round outward around the reviewed scopes. Recorded discounts and undiscounted service charges help show the budget spread; a past discount is not a current offer. Unrelated work, unselected options and gratuities are excluded. Your written proposal confirms your equipment, work and price. The installation review covers 31 distinct usable jobs: 14 company-supplied 30–50 gallon electric tanks, nine customer-supplied electric installations, two warranty exchanges and six specialty installations. The standard-tank planning band includes a $1,710.62 discounted invoice at the low end and $3,872.50 of heater-related work before a job discount at the high end. These are different scopes, not a claim that changing tank capacity alone adds that amount. Dates shown are scheduled dates on completed jobs.

Scope: Planning range for Farrell-supplied 30–50 gallon electric tanks, including standard and upgraded tank-warranty choices. The reviewed work ranges from a straightforward change-out to jobs with expansion control, a permit, an electrical disconnect or more involved access. Shelf-mounted, gas, tankless and hybrid equipment are separate below.

31 distinct completed jobs reviewed for this guide.

January–September 2026.

Reviewed September 16, 2026.

Planning range from reviewed work.

Who supplies the equipment?

Compare the same work. Installing a unit you already own and providing a new unit with the installation cover different costs.

Water Heater Installation prices by equipment supplier and scope.
Equipment and work Reviewed range
Electric water heater supplied and installed Farrell supplies the equipment 30–50 gallon tanks. Reviewed scopes include different permits, expansion tanks, access and connection work. Specialty models are separate. $1,700–$3,900 Planning range 14 reviewed jobs 2026
Install a water heater you supply You supply the equipment Electric tank installation and stated additions. Your heater purchase is separate; permit and connection work vary. $500–$1,700 Planning range 9 reviewed jobs 2026

Different work. Different price.

Farrell-supplied 30 gallon electric tank

$2,600–$3,900

Planning band from four reviewed installations. Includes different permit, expansion, access and electrical scopes. One bundled invoice was separated from unrelated sink and hose-bibb work.

Farrell-supplied 40 gallon electric tank

$1,700–$3,700

Planning band from six reviewed installations. The low example included a 15% discount; the high work subtotal included a permit, expansion tank, disconnect and pipe work.

Farrell-supplied 50 gallon electric tank

$2,200–$3,600

Planning band from four reviewed installations, including one upgraded 10-year limited tank-warranty package. Tank coverage and labor coverage are different.

Customer-supplied electric tank installation

$500–$1,700

Nine installation jobs reviewed. You buy the heater separately. Observed invoices were $535.50–$1,532.50; the largest pre-discount scope was $1,677.50. Permit handling, expansion tanks, discharge lines and electrical disconnects varied.

Warranty exchange and reinstallation

$945.25 / $1,145

Two completed invoice examples. These included warranty processing, transportation or supplier coordination; they are not new company-supplied heater prices.

Shelf-mounted electric heater

$3,582.50 of heater work

One reviewed example before an invoice-wide discount: heater, permit, expansion tank and disconnect. Separate shower and hose-bibb work is excluded from this amount.

Essency electric tank

$4,320–$5,400

Two completed invoice examples with permit handling. The lower invoice included a one-time 20% discount; it is not a standing offer.

50 gallon propane tank

$2,708.50 example

One supplied-and-installed invoice. This is not a range for all gas conversions or venting conditions.

Rinnai gas tankless replacement

$5,607.41 example

One completed project invoice after a 10% discount. The scope included a $250 diagnosis, replacement unit, regulator/connection work and permit handling. It was a replacement, not every possible conversion.

50 gallon hybrid installation

$7,602.50 example

One completed invoice after a $1,000 discount; $8,602.50 before that discount. Included the hybrid, stand, expansion tank, disconnect and permit. Gratuity excluded.

Other models or a tankless conversion

Written quote

The fuel supply, electrical capacity, model, venting and installation location determine the work. A single completed example is not a universal installed price.

What changes the price at your property?

  • Tank size, fuel type, model, and warranty package.
  • A straightforward replacement versus changing to tankless, gas, or a heat-pump unit.
  • Permit requirements, expansion control, shutoff valves, drain pans, and existing connections.
  • Electrical, gas-line, venting, condensate, or access work needed for the new unit.

What the work covers.

  • The new heater only when the option says Farrell-supplied.
  • Installation, removal and other work as stated in the selected proposal.
  • Permit handling, expansion tanks and connection work when listed; the reviewed jobs included different combinations.

What may be separate.

  • The purchase price of a heater you supply yourself.
  • Unlisted electrical-service upgrades, gas piping, venting, relocation or finished-surface repairs.
  • A promise that every past discount or every reviewed inclusion applies to your home.

Before you approve the work.

Make sure your written proposal explains the diagnosis, the work included, any separate items, and the total price. If something is unclear, ask. We want you to understand your options before you decide.

FAQs

Water Heater Installation pricing questions, answered.

Quick answers from our expert plumbers. Still have a question? Call our team and a real person will pick up.

01 Why can a 30 gallon heater job cost more than a 50 gallon job?
Capacity is one part of the job. A smaller tank on a second floor with a drain-pan change, discharge piping and electrical work can cost more to install than a larger tank with straightforward connections. Compare the whole written scope, not just the gallons.
02 Does the installed price include the permit and code work?
Some reviewed jobs included separate permit, expansion-tank, disconnect or connection charges; others did not. We list the required work in your proposal. A published range does not make every possible code upgrade an automatic inclusion.
03 Can you install a water heater I buy?
Yes, when the unit is suitable for your home and installation. The customer-supplied range covers our installation work and the stated additions, not your equipment purchase. Confirm permit responsibilities, old-unit removal and connection work before scheduling.
04 What warranty comes with the heater?
Manufacturer tank or equipment coverage depends on the model and package. Labor coverage is separate, and customer-supplied or warranty-exchange work can have different terms. We explain the applicable coverage in your written proposal.
05 Are these guaranteed prices or available discounts?
No. These are planning ranges and specific examples from reviewed completed work. Some invoices included discounts. We do not assume the same discount or scope applies to a new job.
06 Can I compare heater options online?
Yes. Start with our water heater quote tool, then let us confirm the model, location, connections and written installation price.

Have a more specific question? Contact our team or give us a call.

Straight Answers On Price

Related work. Clearer numbers.

Prices cover the scope described in each guide. Your written estimate confirms the price before work begins.

Whole-House Repiping

$5,800–$14,800

Whole-house supply repipe with permit

Planning range from reviewed work

Reviewed completed-job line items

11 completed jobs reviewed for this guide. Counts vary by scope. · Scheduled January 28–September 10, 2026

Reviewed September 16, 2026

Read The Cost Guide

Water Treatment & Filtration

$1,500–$9,000

Farrell-supplied filters, softeners and combination systems

Planning range from reviewed work

Completed jobs reviewed

13 completed jobs reviewed for this guide. Counts vary by scope. · February–September 2026

Reviewed September 16, 2026

Read The Cost Guide

Water Heater Repair

$100–$850

Residential heater repairs and connection work

Planning range from reviewed work

Completed jobs reviewed

10 completed jobs reviewed for this guide. Counts vary by scope. · January–September 2026

Reviewed September 16, 2026

Read The Cost Guide

Understand the work before you approve the price.

Call Farrell Plumbing for a clear conversation about your plumbing problem and the next step toward a written quote.