Useful video
Learn the main water-heater choices
Use the comparison to identify fuel, storage, capacity, venting, and installation questions for your quote. Gas, combustion venting, electrical, pressure-relief, and scalding hazards are not DIY troubleshooting tasks.
Video: All About Water Heaters | Ask This Old House by This Old House.
Watch directly on YouTubeGather Basic Facts About Your Current Setup
Before you contact anyone, spend a few minutes documenting what you have. Note whether your water heater is a tank unit or a tankless unit, its location in the home, and the fuel it uses, such as natural gas, electric, or propane. If there is a data plate or label on the unit, record any model or serial information and capacity markings you can read without opening panels or removing parts.
Also note the surrounding conditions: whether there is a drain pan under the tank and whether it appears connected to a drain, where the shutoff valves are, and whether the unit sits in a finished or unfinished space. Photographs of the unit, its label, the area around it, and any visible plumbing connections are useful for a phone or online discussion. You are documenting what you can observe, not forming a diagnosis.
Finally, write a short timeline of what happened: when you first noticed a change, what you observed, and whether anything was recently installed, repaired, or changed nearby. Keep this with your photographs so it is ready the moment you call.
- What type and fuel source is my current water heater, and where is it installed?
- Are the data plate, capacity, and model information readable on my unit?
- Is there a drain pan, and does it appear to drain anywhere?
- Where are the nearest water shutoff valves, and does anyone in the household know how to close them?
Confirm Who Serves Your Address
Water heater service is generally performed by plumbers or plumbing service companies, and coverage is local even when the brand is national. The provider names in this guide are networks of locally owned and independently operated locations, so the company you call is not always the same as the brand on the website.
Mr. Rooter Plumbing, Roto-Rooter, and Benjamin Franklin Plumbing all publish a locations or ZIP code lookup on their official websites along with a central phone line. Mr. Rooter lists 855-982-2028, Roto-Rooter lists 800-768-6911, and Benjamin Franklin Plumbing lists 800-259-7705. Roto-Rooter's site describes water heater repair and replacement for gas, electric, and tankless units among its published services.
Use each company's own location finder rather than assuming coverage from a map or directory. Some sites will tell you immediately when a ZIP code is not served. Confirm which location would handle your address, and note that name and phone number for your records.
- Does your network have a location that serves my address, and which one is it?
- Is the local office independently owned, and can I reach that office directly?
- Do you handle tank and tankless units for my fuel type at this location?
Describe the Problem Without Jumping to a Conclusion
When you call, describe what you observed and when, using your notes. Say that you are looking for an evaluation and, potentially, either a repair or a replacement. This framing matters because a phone conversation cannot determine the cause of a hot water problem, and you want the visit to produce an assessment, not a pre-decided outcome.
A useful way to phrase the request is: I have a description of the unit and what I observed, I would like an evaluation on site, and I would like any recommendation in writing with the full scope of work spelled out. Avoid asking a dispatcher to diagnose the unit over the phone or to quote a final price before anyone has looked at it.
Ask what the visit itself involves. Some companies publish information about how scheduling works and what an onsite estimate includes; Roto-Rooter, for example, describes free onsite estimates on its website. Whatever the answer, your goal is the same: an inspection, an explanation, and a written scope.
- What happens during the evaluation visit, and how long should I plan for it?
- Will the person who inspects the unit be able to explain the recommendation on site?
- Will any recommendation or scope of work be provided in writing?
- Is there a charge for the evaluation visit, and how is it handled?
Request a Written Proposal With the Full Scope
A water heater proposal should describe more than the new unit. A complete written scope typically covers the equipment and its capacity, the fuel or energy source, removal and disposal of the old unit, permit and inspection handling, any gas line or electrical circuit work, venting or condensate requirements, the drain pan, drain line, and shutoff valves, thermal expansion control, commissioning of the new unit, and labor along with warranty terms.
Ask for each of these items to be listed explicitly, even the ones marked not applicable or included. A proposal that is silent on disposal, permits, or expansion control leaves those costs and responsibilities undefined. The level of detail also tells you how the company documents work generally.
If the recommendation is repair rather than replacement, the same principle applies in a smaller form: ask for the specific parts and labor in writing, what happens if the underlying cause turns out to be different once work begins, and how a repair attempt relates to a future replacement.
- Can you list equipment, capacity, fuel type, and venting or condensate requirements in the proposal?
- Are removal and disposal of the old unit included, and how is it disposed of?
- Who handles the permit and inspection, and will I receive copies of the records?
- Does the scope include drain pan, drain line, shutoff valves, and thermal expansion control where applicable?
- What does commissioning include after installation, and what is the labor warranty in writing?
Understand How Franchise Networks Structure the Work
All three providers listed in this guide operate as networks of locally owned and independently operated or franchised locations. That structure affects who is responsible for the work, the warranty, and the paperwork. Mr. Rooter's site states that services are performed by locally owned and independently operated franchise locations.
Ask the local office directly who employs the technicians, who stands behind the labor warranty, and whether pricing and terms come from the local business or the brand. There is no single correct answer, but the answer should be consistent between the brand website, the local office, and the written proposal.
Also ask whether any promotional offers apply to your situation. Companies publish limited-time offers with expiration dates and restrictions; Mr. Rooter's site, for example, shows a published offer with an expiration date and conditions. If you plan to use one, ask that it be written into the proposal with its terms.
- Is my job handled by the local franchise, and who is my contracting party?
- Who backs the labor warranty: the local office or the brand?
- Do any published offers apply to my job, and can they be included in the written proposal?
- Are the technicians employees of the local business?
Compare Proposals Line by Line, Not Just by Price
Once you have written proposals from more than one company, place them side by side and compare the same line items: equipment model and capacity, fuel source, venting or condensate work, gas line or electrical circuit scope, pan, drain, and shutoffs, expansion control, removal and disposal, permits and inspections, commissioning, labor, and warranty terms. Differences in equipment or scope explain most differences in price.
For any line that one proposal includes and another omits, contact the second company and ask whether the item is included, excluded because it is not applicable, or simply not mentioned. Get the answer in writing or have the proposal revised. A missing line is a gap in information, not necessarily a difference in value.
Pay attention to how each company handles change conditions, meaning anything discovered mid-job that could alter the scope, such as venting condition or valve access. Ask each provider what happens if additional work is needed and how they document it before proceeding.
- Can you revise the proposal so every scope item is listed, including items not applicable?
- If additional work is discovered mid-job, how is it documented and approved before proceeding?
- Is anything in the other proposal's scope missing here, and why?
- What exactly does your warranty cover, and for how long?
How to Ask for Missing Details
It is common for a first draft proposal to be incomplete. Treat missing details as a request, not a confrontation. A straightforward script works: I am comparing your proposal with one from another company. Lines for permit handling, disposal, and expansion control are blank or absent. Can you confirm whether each is included, not applicable, or an additional cost, and send an updated written version?
Keep the conversation in a channel that produces a record, such as email or the company's messaging system, or take notes of any phone confirmation with the date and the name of the person who provided it. Request that verbal confirmations be reflected in the written document, because the document is what you will hold the work against.
If a company will not put a material item in writing, note that and weigh it in your comparison. The goal is not to catch anyone out; it is to make sure both proposals describe the same job so the comparison means something.
- Can you send an updated written proposal covering the items that were blank?
- Who can confirm these details in writing: the technician, the office, or the owner?
- If an item is not applicable to my home, can the proposal state that explicitly?
Confirm the Plan Before Work Day
After you select a proposal, confirm the practical details of the work day in writing: who will arrive, roughly when, how long the work is expected to take, whether water will be off and for how long, what access the crew needs, and what the site should look like afterward, including disposal of the old unit.
Ask what commissioning of the new unit involves and whether you will be shown or given documentation of the settings, shutoffs, and any permit or inspection sign-off. Keep the final proposal, any change documentation, warranty terms, and inspection records together in one file.
These steps do not speed up the plumbing, but they reduce the chance of surprises on the day of work and give you a complete record if a warranty question comes up later.
- Will water be off during the work, and for approximately how long?
- Will I receive the permit and inspection records for my file?
- What should I expect the work area to look like when the crew leaves?
- Can I get the commissioning details and warranty documents at completion?
Your proposal comparison checklist
- Documented my current unit: tank or tankless, fuel type, location, label details, and photos
- Noted what I observed and when, without drawing a conclusion about the cause
- Confirmed coverage for my address using each company's official location finder
- Recorded the local office name and direct phone number
- Asked what the evaluation visit includes and whether it has a charge
- Requested a written proposal listing equipment, capacity, fuel, venting or condensate, gas line or electrical work, pan and shutoffs, expansion control, disposal, permit, commissioning, labor, and warranty
- Placed proposals side by side and compared identical line items
- Contacted each company about any missing or blank line items
- Asked each provider to confirm in writing how mid-job changes are documented and approved
- Asked who employs the technicians and who stands behind the labor warranty
- Confirmed whether any published offer applies and that it appears in the written proposal
- Confirmed work-day logistics, permit records, commissioning documentation, and warranty paperwork before the visit
Comparing water heater proposals is mostly a documentation exercise: collect what you can observe, ask for a written scope that covers every line item, and resolve gaps before choosing. The providers named here publish location lookups and contact information on their official websites, and confirming coverage for your address through those pages is the most reliable first step. The decision about repair or replacement belongs to the professional who inspects your unit; your preparation ensures that whatever they recommend arrives in writing, complete enough to compare.
Provider sources and limitations
These first-party websites support the directory’s provider identities and published contact routes. The preparation questions above are editorial suggestions, not a diagnosis, repair specification, treatment recommendation, or professional review.
- Benjamin Franklin Plumbing official website — checked 2026-09-06
- Mr. Rooter Plumbing official website — checked 2026-09-06
- Roto-Rooter official website — checked 2026-09-06