CallataGuidesBusiness phone system for plumbing, heating and air-conditioning contractors in Durham, NC
Plumbing, heating and air-conditioning contractors in the Durham-Chapel Hill, NC metro area: 179 establishments in 2023, the local area codes, and what phone service costs a 10-person team.
- Establishments
- 179CBP 2023
- Employees
- 1,709mid-March 2023
- Per 100k residents
- 28.8U.S. 32.7
- Rank
- 108th of 920areas by count
The plumbing and HVAC contractor market in Durham, NC
There were 179 plumbing, heating and air-conditioning contractors in the Durham-Chapel Hill, NC metro area in 2023, according to Census County Business Patterns (NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors). They employed 1,709 people in mid-March and paid $109.0 million in annual payroll. By establishment count the area is 108th out of 920 areas with published figures for plumbing, heating and air-conditioning contractors.
Measured against its 621,000 residents (2024 estimate), the area has 28.8 plumbing, heating and air-conditioning contractors per 100,000 people; the U.S. rate is 32.7, so Durham, NC is 11.8% below the national figure. The average establishment here has 9.5 employees, compared with 10.9 nationally. Payroll per employee comes to $63,758, 13.5% below the national $73,693.
| Measure | Durham, NC | North Carolina | United States |
|---|---|---|---|
| Establishments | 179 | 3,973 | 111,207 |
| Mid-March employees | 1,709 | 45,037 | 1,214,761 |
| Annual payroll | $108,962,000 | $2,788,002,000 | $89,519,407,000 |
| Employees per establishment | 9.5 | 11.3 | 10.9 |
| Payroll per employee | $63,758 | $61,905 | $73,693 |
| Establishments per 100,000 residents | 28.8 | 36.0 | 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.
Team sizes at plumbing, heating and air-conditioning contractors in Durham, NC
Of the plumbing, heating and air-conditioning contractors in Durham, NC that had employees in March 2023, 57.0% had fewer than five (the U.S. share is 58.3%). 72.6% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 102 | 57.0% | 58.3% |
| 5–9 employees | 28 | 15.6% | 18.5% |
| 10–19 employees | 30 | 16.8% | 11.8% |
| 20–49 employees | 11 | 6.1% | 7.5% |
| 50 or more employees | 8 | 4.5% | 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 Durham, NC
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. That holds for plumbing, heating and air-conditioning contractors in Durham, NC as much as anywhere.
Typical inbound and outbound calls for plumbing, heating and air-conditioning contractors in Durham, NC:
- A homeowner calls because the air conditioning stopped working.
- A tenant calls about a burst pipe.
- The dispatcher calls a customer with a technician's arrival time.
Texting customers
Contractors text arrival windows, technician names and invoices.
Because carriers require registration for business texting from local numbers, Callata files a 10DLC registration for a one-time $49; after approval, anyone on the team can reply from the business number.
Callata vs. per-seat pricing for plumbing, heating and air-conditioning contractors in Durham, NC
The average plumbing and HVAC contractor in Durham, NC has 9.5 employees, so a 10-person team is a reasonable benchmark. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 10 users on RingCentral RingEX Core cost $300.00 a month and 10 on Ooma Office Pro cost $249.50. Callata comes to $199.00 a month for 10 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,212 less than RingCentral for a plumbing and HVAC contractor in Durham, NC 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 | $199.00 | $2,388.00 |
| Quo (Starter) | $19.00 per user | $190.00 | $2,280.00 |
| Nextiva (Core) | $23.00 per user | $230.00 | $2,760.00 |
| Ooma (Office Pro) | $24.95 per user | $249.50 | $2,994.00 |
| Dialpad (Standard) | $27.00 per user | $270.00 | $3,240.00 |
| RingCentral (RingEX Core) | $30.00 per user | $300.00 | $3,600.00 |
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.
Which area code to use in Durham, NC
NANPA records place the exchanges of the area's named cities and towns in 4 area codes. 919 has the most, with 226 of 313 exchanges (72%). A local number lets customers in Durham, NC call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 919 | 226 | Eastern | 1954 | 984 |
| 984 | 73 | Eastern | 2012 | 919 |
| 336 | 13 | Eastern | 1997 | 743 |
| 743 | 1 | Eastern | 2016 | 336 |
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.
Setting up Callata for a plumbing and HVAC contractor in Durham, NC
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 Durham, NC 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 there in Durham, NC?
Census County Business Patterns counted 179 plumbing, heating and air-conditioning contractors in the Durham-Chapel Hill, NC metro area in 2023. They employed 1,709 people in mid-March.
What does a business phone system cost for a 10-person plumbing and HVAC contractor?
At month-to-month list prices checked September 28, 2026, 10 users cost $300.00 a month on RingCentral RingEX Core and $249.50 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $199.00.
What area code should a plumbing and HVAC contractor in Durham, NC use?
Area code 919 has the most assigned exchanges among the area's named places, followed by 984 and 336. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a plumbing and HVAC contractor?
Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.