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HVAC and plumbing companies in Hamilton County, TN

How Hamilton County, TN compares with other counties and the U.S. for HVAC and plumbing companies: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 60 out of 100: Upper middle

Ranked #508 of 1,707 scored counties
#25 of 59 scored counties in Tennessee

Listings
119
6 chain locations (5%)
Official establishments
125
+15.7% since 2019
Household spending a year
$456.2M
On home repairs, maintenance and insurance · $2,959 a household
Spending per listing
$3.8M
19% below the U.S.
Listings per 10k households
7.7
22% above the U.S.
Population, 2025
390,833
+6.2% since 2020

See the HVAC and plumbing companies around any address in Hamilton County

The site report maps the HVAC and plumbing companies on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Hamilton County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Households in Hamilton County spend about $456.2M a year on home repairs, maintenance and insurance, or $2,959 per household, 2% below the U.S. average. That works out to $3.8M per company, 19% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

There are 119 HVAC and plumbing companies on map listings in Hamilton County as of September 2026. Chain locations make up 5% of them, against 4% across the U.S. Per 10,000 households, that is 7.7, 22% above the U.S. rate of 6.3.

In 2023, official counts showed 125 businesses with payroll in Hamilton County classed as plumbing, heating and air-conditioning contractors, up 15.7% from 2019. That is one for every 1,233 households, against one for every 1,162 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $4.9M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Hamilton County.

Population estimates show Hamilton County grew 6.2% from 2020 to 2025, faster than the U.S. (+3.1%). For HVAC and plumbing companies, Hamilton County has a Groundwork market score of 60 (upper middle): #508 of 1,707 scored counties and #25 of 59 scored counties in Tennessee.

How Hamilton County compares

The same measures for Tennessee and the whole U.S. Spending per listing divides a year of household spending on all home repairs, maintenance and insurance by the HVAC and plumbing companies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

HVAC and plumbing in Hamilton County, TN compared with Tennessee and the U.S.
MeasureHamilton CountyTennesseeU.S.
Listings per 10k households7.76.16.3
Spending per listing$3.8M$4.6M$4.8M
Households per official establishment1,2331,4871,162
Official establishment growth, 2019–2023+15.7%+15.4%+7.6%
Population growth, 2020–2025+6.2%+5.6%+3.1%
Spending per household on home repairs, maintenance and insurance$2,959$2,815$3,018
Median household income$76,183$69,595$80,734
Groundwork market score6065

Official counts and lending

Businesses

Official establishments, 2019 to 2023
108 → 125+15.7% over the period
Employees, 2023
2,101
Annual payroll, 2023
$144M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
1196 chain locations
Listings at the U.S. rate for this spending
96The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
3
Amount
$4.9M

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Hamilton County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Hamilton County

Population, 2025 estimate
390,833+6.2% since 2020
Households
154,181
Median age
40.2
Homes lived in by their owners
64%
Vehicles per household
1.9
Land area
542 sq. mi.
People per square mile
694
Median household income
$76,183+38.3% vs. 2015–2019, before inflation
Average household income
$108,083
Median home value
$312,800
Jobs located here
213,237
Daytime population
429,865Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Hamilton County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the HVAC and plumbing companies on map listings by name and distance.

Or open the report at the center of Hamilton County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC and plumbing across Tennessee

Every Tennessee market ranked →

The highest-scoring counties in Tennessee for HVAC and plumbing companies, numbered among those based in Tennessee, with Hamilton County marked.

Top counties in Tennessee

Counties in Tennessee ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Williamson County, TN91505.4$7.4M+9.0%#6 of 1,707
2Loudon County, TN91104.2$7.2M+15.6%#7 of 1,707
3Franklin County, TN8352.9$9.2M+6.4%#38 of 1,707
4Roane County, TN8083.5$7.9M+7.0%#60 of 1,707
5Anderson County, TN78154.6$6M+6.1%#78 of 1,707
6Davidson County, TN781775.4$5.6M+4.2%#82 of 1,707
7Montgomery County, TN76485.5$5.1M+13.0%#105 of 1,707
8Lawrence County, TN7463.5$6.9M+6.2%#131 of 1,707
9Sumner County, TN73506.4$4.9M+9.2%#160 of 1,707
10Jefferson County, TN72115.0$5.3M+9.3%#172 of 1,707
25Hamilton County, TN601197.7$3.8M+6.2%#508 of 1,707

Other business types in Hamilton County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many HVAC and plumbing companies are in Hamilton County, TN?

As of September 2026, map listings count 119 HVAC and plumbing companies in Hamilton County. 6 of them (5%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 125 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 15.7% from 2019.

How much do households in Hamilton County, TN spend on home repairs, maintenance and insurance?

About $456.2M a year, or $2,959 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 119 HVAC and plumbing companies on map listings, it comes to $3.8M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade. It is estimated from the incomes of the 154,181 households in Hamilton County and national spending patterns by income.

How does Hamilton County, TN compare with the U.S. for HVAC and plumbing companies?

Hamilton County has 7.7 HVAC and plumbing companies per 10,000 households, 22% above the U.S. rate of 6.3. Spending per company is $3.8M, 19% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Hamilton County would have about 96, against 119 on map listings. There is one business with payroll in the industry for every 1,233 households, against one for every 1,162 across the U.S. The official count rose 15.7% from 2019 to 2023, against +7.6% for the U.S.

How fast is Hamilton County, TN growing?

Population estimates put Hamilton County at 390,833 people in 2025, up 6.2% since 2020, faster than the U.S. (+3.1%). It has 154,181 households. Median household income in Hamilton County is $76,183, 6% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 38.3%, before inflation.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Hamilton County scores 60 for HVAC and plumbing companies (upper middle), #508 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Hamilton County. It maps the HVAC and plumbing companies on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for HVAC and plumbing companies · All 56 business types in Hamilton County

Screening a site or an acquisition in Hamilton County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Hamilton County. Signed out, you see a blurred preview; on an account, each report is one action.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.