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HVAC and plumbing companies in Franklin County, OH

The HVAC and plumbing companies in Franklin County, OH, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 74 out of 100: Upper middle

Ranked #138 of 1,707 scored counties
#4 of 76 scored counties in Ohio

Listings
292
19 chain locations (7%)
Official establishments
240
+5.7% since 2019
Household spending a year
$1.5B
On home repairs, maintenance and insurance · $2,801 a household
Spending per listing
$5.3M
12% above the U.S.
Listings per 10k households
5.3
16% below the U.S.
Population, 2025
1,361,536
+2.8% since 2020

See the HVAC and plumbing companies around any address in Franklin 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 Franklin 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

The Groundwork market score for HVAC and plumbing companies in Franklin County is 74 (upper middle), #138 of 1,707 scored counties and #4 of 76 scored counties in Ohio. That puts it in the top 10% of counties for HVAC and plumbing companies.

As of September 2026, map listings count 292 HVAC and plumbing companies in Franklin County. 19 of them (7%) are chain locations, against 4% across the U.S. That is 5.3 per 10,000 households, 16% below the U.S. rate of 6.3.

Households in Franklin County spend about $1.5B a year on home repairs, maintenance and insurance, or $2,801 per household, 7% below the U.S. average. That works out to $5.3M per company, 12% above the U.S. figure of $4.8M. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade.

The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Franklin County was 240 in 2023, up 5.7% from 2019. That is one for every 2,305 households, against one for every 1,162 across the U.S. Since fiscal 2022, 27 SBA-backed loans worth $10.5M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Franklin County. Between 2020 and 2025, the population of Franklin County grew 2.8%, in step with the U.S. (+3.1%).

How Franklin County compares

The same measures for Ohio 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 Franklin County, OH compared with Ohio and the U.S.
MeasureFranklin CountyOhioU.S.
Listings per 10k households5.36.06.3
Spending per listing$5.3M$4.5M$4.8M
Households per official establishment2,3051,6371,162
Official establishment growth, 2019–2023+5.7%+2.3%+7.6%
Population growth, 2020–2025+2.8%+0.9%+3.1%
Spending per household on home repairs, maintenance and insurance$2,801$2,683$3,018
Median household income$75,176$71,389$80,734
Groundwork market score7448

Official counts and lending

Businesses

Official establishments, 2019 to 2023
227 → 240+5.7% over the period
Employees, 2023
5,937
Annual payroll, 2023
$452.5M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
29219 chain locations
Listings at the U.S. rate for this spending
326The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
27
Amount
$10.5M

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Franklin 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 Franklin County

Population, 2025 estimate
1,361,536+2.8% since 2020
Households
553,099
Median age
36.4
Homes lived in by their owners
53%
Vehicles per household
1.6
Land area
532 sq. mi.
People per square mile
2,504
Median household income
$75,176+22.6% vs. 2015–2019, before inflation
Average household income
$104,381
Median home value
$288,400
Jobs located here
814,719
Daytime population
1,507,964Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Franklin 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 Franklin County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC and plumbing across Ohio

Every Ohio market ranked →

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

Top counties in Ohio

Counties in Ohio ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Delaware County, OH93425.1$7.2M+12.5%#3 of 1,707
2Union County, OH83177.0$4.7M+16.5%#43 of 1,707
3Warren County, OH82566.1$5.5M+5.7%#49 of 1,707
4Franklin County, OH742925.3$5.3M+2.8%#138 of 1,707
5Portage County, OH73253.8$7M+1.0%#148 of 1,707
6Ashland County, OH7052.4$10.4M+0.1%#193 of 1,707
7Greene County, OH70466.7$4.4M+3.7%#219 of 1,707
8Morrow County, OH6964.5$6M+3.7%#230 of 1,707
9Lorain County, OH66735.7$4.8M+3.1%#311 of 1,707
10Highland County, OH6553.0$8.2M+1.1%#320 of 1,707

Other business types in Franklin County

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

Questions

How many HVAC and plumbing companies are in Franklin County, OH?

Franklin County has 292 HVAC and plumbing companies on map listings as of September 2026. 19 of them (7%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 240 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 5.7% from 2019.

How much do households in Franklin County, OH spend on home repairs, maintenance and insurance?

About $1.5B a year, or $2,801 per household. That is 7% below the U.S. average (an index of 93, where 100 is the U.S. average). Spread across the 292 HVAC and plumbing companies on map listings, it comes to $5.3M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies. It is estimated from the incomes of the 553,099 households in Franklin County and national spending patterns by income.

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

Franklin County has 5.3 HVAC and plumbing companies per 10,000 households, 16% below the U.S. rate of 6.3. Spending per company is $5.3M, 12% above the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Franklin County would have about 326, against 292 on map listings. There is one business with payroll in the industry for every 2,305 households, against one for every 1,162 across the U.S. The official count rose 5.7% from 2019 to 2023, against +7.6% for the U.S.

How fast is Franklin County, OH growing?

Population estimates put Franklin County at 1,361,536 people in 2025, up 2.8% since 2020, in step with the U.S. (+3.1%). It has 553,099 households. The median household income in Franklin County is $75,176 a year, 7% below the U.S. median of $80,734. That rose 22.6% from the 2015–2019 survey, 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. Franklin County scores 74 for HVAC and plumbing companies (upper middle), #138 of 1,707 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Franklin 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 Franklin County

Screening a site or an acquisition in Franklin 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 Franklin 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.