Business phone system for plumbing, heating and air-conditioning contractors in Ohio
2,970 plumbing, heating and air-conditioning contractors operated in Ohio in 2023. Where they are, how big their teams are, and what phone service costs them.
- Establishments
- 2,970CBP 2023
- Employees
- 37,781mid-March 2023
- Per 100k residents
- 25.0U.S. 32.7
- State rank
- 11th of 51by count
Plumbing, heating and air-conditioning contractors in Ohio by the numbers
Ohio had 2,970 plumbing, heating and air-conditioning contractors in 2023, according to Census County Business Patterns (NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors). They employed 37,781 people in mid-March and reported $2.7 billion in annual payroll. That is the 11th highest count among the 51 states and DC with published figures. Plumbing, heating and air-conditioning contractors make up 1.2% of the 255,049 business establishments in the state.
Per 100,000 residents (2024 estimate) Ohio has 25.0 plumbing, heating and air-conditioning contractors, 23.6% below the national rate of 32.7. The average establishment has 12.7 employees against 10.9 nationally. Payroll per employee is $71,083, 3.5% below the U.S. figure of $73,693.
| Measure | Ohio | United States |
|---|---|---|
| Establishments | 2,970 | 111,207 |
| Mid-March employees | 37,781 | 1,214,761 |
| Annual payroll | $2,685,594,000 | $89,519,407,000 |
| Employees per establishment | 12.7 | 10.9 |
| Payroll per employee | $71,083 | $73,693 |
| Establishments per 100,000 residents | 25.0 | 32.7 |
Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.
Ohio's largest markets for plumbing, heating and air-conditioning contractors
Census published plumbing and HVAC contractor counts for 44 metro or micropolitan areas that include part of Ohio. The largest is Cincinnati, OH-KY-IN, with 631 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 79% of the statewide total; the rest are outside any published area or in areas Census suppressed.
| Area | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Cincinnati, OH-KY-IN | 631 | 9,666 | 27.4 |
| Cleveland, OH | 602 | 6,976 | 27.7 |
| Columbus, OH | 456 | 7,986 | 20.5 |
| Dayton, OH | 224 | 2,670 | 27.3 |
| Akron, OH | 159 | 2,413 | 22.6 |
| Toledo, OH | 156 | 1,723 | 25.9 |
| Canton, OH | 103 | 1,102 | 25.7 |
| Huntington, WV-KY-OH | 96 | 1,011 | 26.2 |
| Youngstown, OH | 89 | 1,067 | 20.9 |
| Wooster, OH | 47 | 334 | 40.3 |
| Sandusky, OH | 38 | 358 | 33.5 |
| Springfield, OH | 35 | 213 | 25.9 |
| New Philadelphia, OH | 31 | 306 | 33.7 |
| Mansfield, OH | 27 | 207 | 21.6 |
| Weirton, WV-OH | 27 | 231 | 23.8 |
| Lima, OH | 24 | 381 | 23.8 |
| Mount Vernon, OH | 24 | 226 | 37.6 |
| Wheeling, WV-OH | 22 | 285 | 16.3 |
| Fremont, OH | 22 | 199 | 37.4 |
| Salem, OH | 21 | 123 | 21.0 |
| Portsmouth, OH | 21 | 125 | 29.2 |
| Marietta, OH | 21 | 444 | 36.0 |
| Findlay, OH | 20 | 128 | 26.7 |
| Zanesville, OH | 19 | 135 | 21.9 |
| Greenville, OH | 18 | 101 | 35.0 |
Top 25 of 44 areas by establishments. Source: Census CBP 2023.
Team sizes at plumbing, heating and air-conditioning contractors in Ohio
52.5% of Ohio's plumbing, heating and air-conditioning contractors with employees had fewer than five people in March 2023, compared with 58.3% nationally. 71.4% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 1,558 | 52.5% | 58.3% |
| 5–9 employees | 562 | 18.9% | 18.5% |
| 10–19 employees | 393 | 13.2% | 11.8% |
| 20–49 employees | 311 | 10.5% | 7.5% |
| 50 or more employees | 144 | 4.9% | 3.8% |
Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.
Why the phone matters for plumbing, heating and air-conditioning contractors in Ohio
Plumbing and HVAC calls are often emergencies: no heat, no cooling or water where it should not be. Homeowners call down a list until someone answers, so a missed call is frequently a lost job.
Typical inbound and outbound calls for plumbing, heating and air-conditioning contractors in Ohio:
- A general contractor calls about rough-in timing.
- A homeowner calls because the air conditioning stopped working.
- The dispatcher calls a customer with a technician's arrival time.
What plumbing, heating and air-conditioning contractors text about
Contractors text arrival windows, technician names and invoices.
Texting from a local number in Ohio requires carrier registration (10DLC), a one-time $49 fee on Callata.
What a phone system costs a plumbing and HVAC contractor in Ohio
Plumbing, heating and air-conditioning contractors in Ohio average 12.7 employees, so the comparison uses a 13-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 13 users on RingCentral RingEX Core cost $390.00 a month and 13 on Ooma Office Pro cost $324.35. Callata comes to $259.00 a month for 13 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,572 less than RingCentral for a plumbing and HVAC contractor in Ohio of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $259.00 | $3,108.00 |
| Quo (Starter) | $19.00 per user | $247.00 | $2,964.00 |
| Nextiva (Core) | $23.00 per user | $299.00 | $3,588.00 |
| Ooma (Office Pro) | $24.95 per user | $324.35 | $3,892.20 |
| Dialpad (Standard) | $27.00 per user | $351.00 | $4,212.00 |
| RingCentral (RingEX Core) | $30.00 per user | $390.00 | $4,680.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Area codes in Ohio
Ohio has 15 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so a plumbing and HVAC contractor can hold a number in more than one of them.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 330 | 787 | Eastern | 1996 | 234 |
| 740 | 786 | Eastern | 1997 | 220 |
| 513 | 784 | Eastern | 1947 | 283 |
| 419 | 783 | Eastern | 1947 | 567 |
| 937 | 780 | Eastern | 1996 | 326 |
| 614 | 777 | Eastern | 1947 | 380 |
| 440 | 757 | Eastern | 1997 | 436 |
| 216 | 612 | Eastern | 1947 | none |
| 567 | 421 | Eastern | 2002 | 419 |
| 234 | 398 | Eastern | 2000 | 330 |
| 220 | 142 | Eastern | 2015 | 740 |
| 380 | 138 | Eastern | 2016 | 614 |
| 326 | 88 | Eastern | 2020 | 937 |
| 283 | 48 | Eastern | 2023 | 513 |
| 436 | 0 | Eastern | 2024 | 440 |
Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.
How Callata works for plumbing, heating and air-conditioning contractors in Ohio
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
Porting a number you already use in Ohio is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Frequently asked questions
How many plumbing, heating and air-conditioning contractors are in Ohio?
2,970 in 2023, according to Census County Business Patterns. They employed 37,781 people in mid-March.
Which Ohio metro area has the most plumbing, heating and air-conditioning contractors?
Cincinnati, OH-KY-IN, with 631 establishments in 2023.
What does a phone system cost a 13-person plumbing and HVAC contractor?
$390.00 a month on RingCentral RingEX Core or $324.35 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $259.00 on Callata ($99 a month with 5 users included, then $20 per additional user).
Do I need to register to text customers from a Ohio number?
Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.