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HVAC and plumbing companies in Rockingham County, NH

Competitor counts, household spending and official business counts for HVAC and plumbing companies in Rockingham County, NH, set against other counties and the U.S.

Groundwork market score · out of 100

Score 52 out of 100: Upper middle

Ranked #787 of 1,707 scored counties
#7 of 9 scored counties in New Hampshire

Listings
113
3 chain locations (3%)
Official establishments
218
+14.1% since 2019
Household spending a year
$492.7M
On home repairs, maintenance and insurance · $3,862 a household
Spending per listing
$4.4M
8% below the U.S.
Listings per 10k households
8.9
41% above the U.S.
Population, 2025
324,077
+3.0% since 2020

See the HVAC and plumbing companies around any address in Rockingham 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 Rockingham 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 Rockingham County spend about $492.7M a year on home repairs, maintenance and insurance, or $3,862 per household, 28% above the U.S. average. That works out to $4.4M per company, 8% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

Rockingham County has 113 HVAC and plumbing companies on map listings as of September 2026. 3 of them (3%) are chain locations, against 4% across the U.S. That is 8.9 per 10,000 households, 41% above the U.S. rate of 6.3.

Official counts show 218 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Rockingham County in 2023, up 14.1% from 2019. That is one for every 585 households, against one for every 1,162 across the U.S. Since fiscal 2022, 20 SBA-backed loans worth $3.2M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Rockingham County.

Population estimates put the population change in Rockingham County from 2020 to 2025 at +3.0%, in step with the U.S. (+3.1%). The Groundwork market score for HVAC and plumbing companies in Rockingham County is 52 (upper middle), #787 of 1,707 scored counties and #7 of 9 scored counties in New Hampshire.

How Rockingham County compares

The same measures for New Hampshire 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 Rockingham County, NH compared with New Hampshire and the U.S.
MeasureRockingham CountyNew HampshireU.S.
Listings per 10k households8.97.36.3
Spending per listing$4.4M$4.8M$4.8M
Households per official establishment5857161,162
Official establishment growth, 2019–2023+14.1%+17.9%+7.6%
Population growth, 2020–2025+3.0%+2.7%+3.1%
Spending per household on home repairs, maintenance and insurance$3,862$3,518$3,018
Median household income$118,331$99,031$80,734
Groundwork market score5249

Official counts and lending

Businesses

Official establishments, 2019 to 2023
191 → 218+14.1% over the period
Employees, 2023
1,627
Annual payroll, 2023
$133M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
1133 chain locations
Listings at the U.S. rate for this spending
104The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
20
Amount
$3.2M

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

Population, 2025 estimate
324,077+3.0% since 2020
Households
127,570
Median age
45.3
Homes lived in by their owners
78%
Vehicles per household
2.0
Land area
696 sq. mi.
People per square mile
459
Median household income
$118,331+26.2% vs. 2015–2019, before inflation
Average household income
$149,721
Median home value
$497,500
Jobs located here
168,917
Daytime population
311,815Residents who don’t work, plus everyone whose job is here

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

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HVAC and plumbing across New Hampshire

Every New Hampshire market ranked →

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

Top counties in New Hampshire

Counties in New Hampshire ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Strafford County, NH70285.4$6.2M+3.0%#203 of 1,707
2Sullivan County, NH6563.6$8.6M+2.1%#319 of 1,707
3Cheshire County, NH65134.2$7.5M+2.3%#324 of 1,707
4Grafton County, NH62205.4$6.2M+2.2%#413 of 1,707
5Hillsborough County, NH561358.0$4.5M+2.5%#645 of 1,707
6Carroll County, NH53167.3$4.4M+5.0%#746 of 1,707
7Rockingham County, NH521138.9$4.4M+3.0%#787 of 1,707
8Merrimack County, NH49498.0$4.2M+2.6%#897 of 1,707
9Belknap County, NH41259.5$3.5M+2.1%#1,179 of 1,707

Other business types in Rockingham County

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

Questions

How many HVAC and plumbing companies are in Rockingham County, NH?

Map listings as of September 2026 show 113 HVAC and plumbing companies in Rockingham County. 3 of them (3%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 218 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 14.1% from 2019.

How much do households in Rockingham County, NH spend on home repairs, maintenance and insurance?

About $492.7M a year, or $3,862 per household. That is 28% above the U.S. average (an index of 128, where 100 is the U.S. average). Spread across the 113 HVAC and plumbing companies on map listings, it comes to $4.4M 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 127,570 households in Rockingham County and national spending patterns by income.

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

Rockingham County has 8.9 HVAC and plumbing companies per 10,000 households, 41% above the U.S. rate of 6.3. Spending per company is $4.4M, 8% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Rockingham County would have about 104, against 113 on map listings. There is one business with payroll in the industry for every 585 households, against one for every 1,162 across the U.S. The official count rose 14.1% from 2019 to 2023, against +7.6% for the U.S.

How fast is Rockingham County, NH growing?

Population estimates put Rockingham County at 324,077 people in 2025, up 3.0% since 2020, in step with the U.S. (+3.1%). It has 127,570 households. Median household income in Rockingham County is $118,331, 47% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 26.2%, 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. Rockingham County scores 52 for HVAC and plumbing companies (upper middle), #787 of 1,707 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Rockingham 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 Rockingham 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.