CallataGuidesBusiness phone system for plumbing, heating and air-conditioning contractors in Hawaii
403 plumbing, heating and air-conditioning contractors operated in Hawaii in 2023. Where they are, how big their teams are, and what phone service costs them.
- Establishments
- 403CBP 2023
- Employees
- 3,944mid-March 2023
- Per 100k residents
- 27.9U.S. 32.7
- State rank
- 44th of 51by count
Plumbing, heating and air-conditioning contractors in Hawaii by the numbers
County Business Patterns counts 403 establishments in Hawaii classified as Plumbing, Heating, and Air-Conditioning Contractors (NAICS 238220) for 2023. They employed 3,944 people in mid-March and reported $335.0 million in annual payroll. That is the 44th highest count among the 51 states and DC with published figures. Plumbing, heating and air-conditioning contractors make up 1.2% of the 32,911 business establishments in the state.
Per 100,000 residents (2024 estimate) Hawaii has 27.9 plumbing, heating and air-conditioning contractors, 14.8% below the national rate of 32.7. The average establishment has 9.8 employees against 10.9 nationally. Payroll per employee is $84,947, 15.3% above the U.S. figure of $73,693.
| Measure | Hawaii | United States |
|---|---|---|
| Establishments | 403 | 111,207 |
| Mid-March employees | 3,944 | 1,214,761 |
| Annual payroll | $335,032,000 | $89,519,407,000 |
| Employees per establishment | 9.8 | 10.9 |
| Payroll per employee | $84,947 | $73,693 |
| Establishments per 100,000 residents | 27.9 | 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.
Where plumbing, heating and air-conditioning contractors in Hawaii are concentrated
Census published plumbing and HVAC contractor counts for 4 metro or micropolitan areas that include part of Hawaii. The largest is Urban Honolulu, HI, with 249 establishments. Single-state metro and micropolitan areas account for 100% of the statewide total; the rest are outside any published area or in areas Census suppressed.
| Area | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Urban Honolulu, HI | 249 | 2,803 | 24.9 |
| Hilo, HI | 64 | 402 | 30.5 |
| Kahului, HI | 62 | 596 | 37.9 |
| Kapaa, HI | 28 | 143 | 37.9 |
Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.
Team sizes at plumbing, heating and air-conditioning contractors in Hawaii
54.6% of Hawaii's plumbing, heating and air-conditioning contractors with employees had fewer than five people in March 2023, compared with 58.3% nationally. 78.7% 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 | 218 | 54.6% | 58.3% |
| 5–9 employees | 96 | 24.1% | 18.5% |
| 10–19 employees | 50 | 12.5% | 11.8% |
| 20–49 employees | 28 | 7.0% | 7.5% |
| 50 or more employees | 7 | 1.8% | 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.
Calls a plumbing and HVAC contractor in Hawaii has to catch
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.
A few of the calls that come in to plumbing, heating and air-conditioning contractors in Hawaii:
- A homeowner calls because the air conditioning stopped working.
- The dispatcher calls a customer with a technician's arrival time.
- A customer calls to book a seasonal tune-up.
What plumbing, heating and air-conditioning contractors text about
Contractors text arrival windows, technician names and invoices.
Texting from a local number in Hawaii requires carrier registration (10DLC), a one-time $49 fee on Callata.
Callata vs. per-seat pricing for plumbing, heating and air-conditioning contractors in Hawaii
Plumbing, heating and air-conditioning contractors in Hawaii average 9.8 employees, so the comparison uses a 10-person team. Priced per seat, 10 users would run $300.00 a month on RingCentral RingEX Core and $249.50 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). 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 Hawaii 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.
Area codes in Hawaii
Hawaii has 1 geographic area code 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 |
|---|---|---|---|---|
| 808 | 693 | — | 1957 | none |
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 Hawaii
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 Hawaii 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 Hawaii?
403 in 2023, according to Census County Business Patterns. They employed 3,944 people in mid-March.
Which Hawaii metro area has the most plumbing, heating and air-conditioning contractors?
Urban Honolulu, HI, with 249 establishments in 2023.
What does a phone system cost a 10-person plumbing and HVAC contractor?
$300.00 a month on RingCentral RingEX Core or $249.50 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $199.00 on Callata ($99 a month with 5 users included, then $20 per additional user).
Do I need to register to text customers from a Hawaii 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.