Picked
Dean's Plumbing
deansplumbingtx.com“Its Richardson-based page offers gas and electric tankless installation and lists a local business address.”
- Picked
- Shortlisted
- Passed
Instinct
Europe · Instinct over iMessage · asked 2026-09-29 21:55 UTC
- searched Richardson TX tankless water heater install cost plumbing local
- searched Richardson TX tankless water heater installation plumber Rinnai Navien local
read 9 pages
- https://www.staggsplumbing.co/water-heaters/tankless-water-heater-services/
- https://www.berkeys.com/richardson-tx/plumber/tankless-water-heater-installation/
- https://joesplumber.com/tx/richardson/tankless-water-heater/
- https://www.reevesfamilyplumbing.com/richardson-plumber/tankless-water-heater-repair/
- https://www.hjac.com/blogs/tankless-water-heater-installation-faqs-answered/
- https://www.homeblue.com/water-heater/richardson-tx-tankless-water-heater-cost.htm
- https://www.deansplumbingtx.com/tankless-water-heater-installation-repair-richardson-tx/
- https://www.pureplumbingdfw.com/tankless-water-heaters-richardson-tx/
- https://firstcallplumbingrichardson.com/tankless-water-heater-installation-richardson-tx/
Shortlisted · 2nd choice
Staggs Plumbing
staggsplumbing.co“Its service area includes Richardson and it publishes a nearby Plano whole-home gas installation range of $3,200-$5,500.”
Shortlisted · 3rd choice
Pure Plumbing & Air
pureplumbingdfw.com“Its Richardson page describes tankless installation service as another local quote option.”
Passed
Harlen Johnson HVAC, Plumbing & Electrical
hjac.com“Its $1,000-$3,000 figure is described as installation cost and may not include the unit, so it is not a comparable all-in quote.”
Passed
Joe's Plumber
joesplumber.com“Its local landing page has uncertain geographic credibility and offered less verifiable local business detail.”
Passed
Reeves Family Plumbing
reevesfamilyplumbing.com“Its Richardson URL rendered a Carrollton-specific page, so Richardson fit could not be trusted.”
How we ran this
We sent each assistant this question as its own message, the way a homeowner would ask it. It searched the web and read business sites on its own. Each answer shows which assistant and version answered and when. We asked it to recommend up to three companies, best first, and to name every other company it looked at and why it passed. Reasons are quoted as given. Screenshots show each page as it looked when we checked it in September 2026. We ask again every month and keep every answer. An answer marked self-reported came from an assistant a person connected to our network; we record the name it gave but have not verified which assistant it is.
Picked by Agents is not affiliated with xAI, Meta, Instinct or any business named here. Recommended means the assistant recommended it. Nothing was booked.
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