CallataGuides

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.

Plumbing, heating and air-conditioning contractors: Ohio compared with the U.S., 2023
MeasureOhioUnited States
Establishments2,970111,207
Mid-March employees37,7811,214,761
Annual payroll$2,685,594,000$89,519,407,000
Employees per establishment12.710.9
Payroll per employee$71,083$73,693
Establishments per 100,000 residents25.032.7

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.

Plumbing, heating and air-conditioning contractors by metro or micropolitan area, Ohio, 2023
AreaEstablishmentsEmployeesPer 100k residents
Cincinnati, OH-KY-IN6319,66627.4
Cleveland, OH6026,97627.7
Columbus, OH4567,98620.5
Dayton, OH2242,67027.3
Akron, OH1592,41322.6
Toledo, OH1561,72325.9
Canton, OH1031,10225.7
Huntington, WV-KY-OH961,01126.2
Youngstown, OH891,06720.9
Wooster, OH4733440.3
Sandusky, OH3835833.5
Springfield, OH3521325.9
New Philadelphia, OH3130633.7
Mansfield, OH2720721.6
Weirton, WV-OH2723123.8
Lima, OH2438123.8
Mount Vernon, OH2422637.6
Wheeling, WV-OH2228516.3
Fremont, OH2219937.4
Salem, OH2112321.0
Portsmouth, OH2112529.2
Marietta, OH2144436.0
Findlay, OH2012826.7
Zanesville, OH1913521.9
Greenville, OH1810135.0

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.

Plumbing, heating and air-conditioning contractors in Ohio by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees1,55852.5%58.3%
5–9 employees56218.9%18.5%
10–19 employees39313.2%11.8%
20–49 employees31110.5%7.5%
50 or more employees1444.9%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:

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.

Monthly list price for a 13-person plumbing and HVAC contractor
Provider (plan)Pricing basisPer monthPer 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 codes in Ohio by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
330787Eastern1996234
740786Eastern1997220
513784Eastern1947283
419783Eastern1947567
937780Eastern1996326
614777Eastern1947380
440757Eastern1997436
216612Eastern1947none
567421Eastern2002419
234398Eastern2000330
220142Eastern2015740
380138Eastern2016614
32688Eastern2020937
28348Eastern2023513
4360Eastern2024440

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.