Market rankings · Delaware
HVAC and plumbing companies in Delaware
Markets across Delaware ranked by the Groundwork market score for HVAC and plumbing companies, with competitor counts and household spending for each.
- Listings
- 241
- 8 chain locations (3%)
- Official establishments
- 344
- +7.2% since 2019
- Household spending a year
- $1.2B
- On home repairs, maintenance and insurance
- Listings per 10k households
- 6.0
- 5% below the U.S.
- Spending per listing
- $5.2M
- 8% above the U.S.
- Rank among states
- #6 of 51
- Market score 66 · Upper middle
A site report maps the HVAC and plumbing companies on map listings around any address in Delaware by name and distance, and the spending within reach.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 241 HVAC and plumbing companies in Delaware. Chain locations make up 3% of them, against 4% across the U.S. That is 6.0 per 10,000 households, 5% below the U.S. rate of 6.3.
Households in Delaware spend about $1.2B a year on home repairs, maintenance and insurance, or $3,089 per household, 2% above the U.S. average. That is about $5.2M of household spending for each company on map listings, 8% 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 Delaware was 344 in 2023, up 7.2% from 2019. That is one for every 1,169 households, against one for every 1,162 across the U.S. Across the U.S., the count rose 7.6% over the same years. Since fiscal 2022, 11 SBA-backed loans worth $3.1M have gone to businesses classed as plumbing, heating and air-conditioning contractors in Delaware.
Among the 50 states and DC, Delaware ranks #6 for HVAC and plumbing companies, with a Groundwork market score of 66 (upper middle). Of the 2 scored metro areas in or partly in Delaware, the Dover metro area scores highest (73). The one scored small-town market in or partly in Delaware, the Seaford area, scores 71.
Every market in Delaware for HVAC and plumbing companies
Download the ranking (CSV)Numbered by Groundwork market score among the markets based in Delaware, highest first; the U.S. rank compares each market with every other of its kind. A metro area that crosses a state line is listed in each state it reaches, and numbered only in the state its page is under. How the score works.
Metro areas
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Dover, DE | 73 | 33 | 4.6 | $6.1M | +6.8% | #27 of 387 |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 66 | 1,506 | 6.1 | $5.6M | +1.4% | #65 of 387 |
Small-town markets
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Seaford, DE | 71 | 67 | 6.3 | $4.8M | +16.1% | #51 of 476 |
Counties
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Kent County, DE | 74 | 33 | 4.6 | $6.1M | +6.8% | #134 of 1,707 |
| 2New Castle County, DE | 68 | 141 | 6.3 | $5.1M | +3.0% | #255 of 1,707 |
| 3Sussex County, DE | 68 | 67 | 6.3 | $4.8M | +16.1% | #257 of 1,707 |
Questions
How many HVAC and plumbing companies are in Delaware?
Delaware has 241 HVAC and plumbing companies on map listings as of September 2026. 8 of them (3%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 344 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 7.2% from 2019.
How much do households in Delaware spend on home repairs, maintenance and insurance?
About $1.2B a year, or $3,089 per household. That is 2% above the U.S. average (an index of 102, where 100 is the U.S. average). Spread across the 241 HVAC and plumbing companies on map listings, it comes to $5.2M 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 402,038 households in Delaware and national spending patterns by income.
How does Delaware compare with the U.S. for HVAC and plumbing companies?
Delaware has 6.0 HVAC and plumbing companies per 10,000 households, 5% below the U.S. rate of 6.3. Spending per company is $5.2M, 8% above the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Delaware would have about 261, against 241 on map listings. There is one business with payroll in the industry for every 1,169 households, against one for every 1,162 across the U.S. The official count rose 7.2% from 2019 to 2023, against +7.6% for the U.S.
Which market in Delaware has the highest market score for HVAC and plumbing companies?
Among 2 scored metro areas in or partly in Delaware, the Dover metro area scores highest, at 73 (upper middle). The one scored small-town market in or partly in Delaware is the Seaford area, at 71 (upper middle). Among 3 scored counties in Delaware, Kent County scores highest, at 74 (upper middle). Scores compare each market with others of its kind across the U.S.
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. Delaware scores 66 for HVAC and plumbing companies (upper middle), #6 of the 50 states and DC.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Delaware. 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.
HVAC and plumbing in other states
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Top markets for HVAC and plumbing companies across the U.S. · All business types in Delaware
Related business types in Delaware
- Home repair trades525 listings
- Electricians130 listings
- Roofing and gutters154 listings
- Lawn, cleaning and pest control424 listings
- Landscaping and lawn care243 listings
- House cleaning108 listings
- Pest control73 listings
Screening a site or an acquisition in Delaware?
A site report maps the competitors on map listings near an address and sizes the households and spending around it.
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.