#1
Pro Plumbing Plus
“I called the office with questions about a situation with my toilet. The staff were extremely polite, and helpful. They were informative, and helped me resolve the issue over the phone.” — Google review
Best Tank Installation in Manchester, TN
The 3 best-rated tank installation in Manchester, TN average 4.9★ on Google across 819 reviews. RMR Septic Services has the top rating (5.0★), and Pro Plumbing Plus has the most reviews (746). Updated October 27, 2026.
3 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (819 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
RMR Septic Services
“Ron was great he charged us how much he said and he did extra for us. Went the extra mile God bless Ron. Please call him if you need any help with your septic tank or plumping.” — Google review
#3
Lane's Portable Restrooms & Septic
“Takes care of our Veterans and their family!! Bubba came out today on short notice AND was a blessing to me on the cost, very professional and friendly. This was an overall great experience and I will be using this…” — Google review
How we pick tank installation in Manchester
We scan Google Maps for tank listings in and around Manchester, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated tank in Manchester?
RMR Septic Services has the highest Google rating on our Manchester list: 5.0 out of 5 from 43 reviews (as of October 27, 2026).
Which tank in Manchester has the most reviews?
Pro Plumbing Plus has the most Google reviews among the companies listed here: 746, with a 4.8★ average.
How are these tank installation chosen?
Only open Manchester-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.