Local market report · November 2026

HVAC and plumbing in Buffalo, NY: who shows up online

All 20 businesses in our Buffalo sample have a website, and every audited site uses HTTPS and works on mobile. Reviews set this market apart. The median business has 1007 reviews, and 19 of 20 are rated 4.5 or higher.

The top 20 hvac and plumbing on Google, measured

  • 100%have a website
  • 85%of sites use LocalBusiness markup
  • 40%of sites publish llms.txt
  • 90%of sites run Google Analytics or Tag Manager
  • 4.8★average Google rating
  • 1007median Google reviews

20 businesses from the Google results for “HVAC and plumbing company in Buffalo, NY”. 20 list a website; we checked the homepage of the 20 that loaded.

Who ChatGPT recommends

“Who is the best HVAC or plumbing company in Buffalo, NY?”

  1. Zenner & Ritter Home Services
  2. T-Mark Plumbing, Heating, Cooling & Electric
  3. Reimer Heating, Cooling & Plumbing
  4. Cellino Plumbing, Heating, Cooling & Electric
  5. Roy's Plumbing, Heating, Cooling & Electrical

10 of the 20 businesses in the Google results were named.

The review leaders

BusinessRatingReviewsNamed by ChatGPT
Reimer Heating, Cooling & Plumbing4.99869Yes
Zenner & Ritter Home Services4.96025Yes
T-Mark Plumbing, Heating & Cooling- Buffalo4.94526No
Roy's Plumbing, Heating, Cooling & Electrical4.83463Yes
Cellino Plumbing, Heating, Cooling & Electric4.92731Yes

What this means for your shop

  • Only 40% of local sites have an llms.txt file, so adding one is a quick way to stand apart from most of your competitors.

  • LocalBusiness schema is on 85% of sites, so if yours is missing it, you are behind most of the market.

  • Every business here has at least 50 reviews and the median is 1007, so a thin review count will put you behind.

HVAC and plumbing in Buffalo: questions

How do I get recommended by ChatGPT in Buffalo?

We asked ChatGPT who the best HVAC or plumbing company in Buffalo is, and it named five companies. Reimer has 9869 reviews and Zenner & Ritter has 6025, and ChatGPT named both.

How many reviews do the Buffalo leaders have?

Reimer Heating, Cooling & Plumbing has 9869, Zenner & Ritter Home Services has 6025, and T-Mark has 4526. Roy's has 3463 and Cellino has 2731. Four of them are rated 4.9 and Roy's is 4.8.

What are most local sites missing?

The biggest gap is llms.txt, which only 40% of sites have. LocalBusiness schema is on 85% of sites and analytics is on 90%. All 20 sites have tap-to-call links.

Where does your business stand?

This page shows the market. The free diagnostic shows you: 42 points on your site, your Google profile and what ChatGPT and Claude say about you, with the competitors beating you by name. Usually in under an hour.

Method: HopperCat pulled the top Google results for “HVAC and plumbing company in Buffalo, NY” on November 8, 2026, checked each business homepage for HTTPS, mobile setup, LocalBusiness markup, llms.txt, AI-crawler rules and analytics, and asked ChatGPT the question above with web search on. Ratings and review counts are Google's at that date.