Business phone system for plumbing, heating and air-conditioning contractors in Wisconsin
1,944 plumbing, heating and air-conditioning contractors operated in Wisconsin in 2023. Where they are, how big their teams are, and what phone service costs them.
- Establishments
- 1,944CBP 2023
- Employees
- 23,507mid-March 2023
- Per 100k residents
- 32.6U.S. 32.7
- State rank
- 19th of 51by count
Plumbing, heating and air-conditioning contractors in Wisconsin by the numbers
The Census Bureau counted 1,944 plumbing, heating and air-conditioning contractors in Wisconsin in its 2023 County Business Patterns (NAICS 238220). They employed 23,507 people in mid-March and reported $1.8 billion in annual payroll. That is the 19th highest count among the 51 states and DC with published figures. Plumbing, heating and air-conditioning contractors make up 1.3% of the 144,774 business establishments in the state.
Per 100,000 residents (2024 estimate) Wisconsin has 32.6 plumbing, heating and air-conditioning contractors, in line with the national rate of 32.7. The average establishment has 12.1 employees against 10.9 nationally. Payroll per employee is $78,674, 6.8% above the U.S. figure of $73,693.
| Measure | Wisconsin | United States |
|---|---|---|
| Establishments | 1,944 | 111,207 |
| Mid-March employees | 23,507 | 1,214,761 |
| Annual payroll | $1,849,380,000 | $89,519,407,000 |
| Employees per establishment | 12.1 | 10.9 |
| Payroll per employee | $78,674 | $73,693 |
| Establishments per 100,000 residents | 32.6 | 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 Wisconsin are concentrated
Census published plumbing and HVAC contractor counts for 29 metro or micropolitan areas that include part of Wisconsin. The largest is Minneapolis, MN-WI, with 1,015 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 78% of the statewide total; the rest are outside any published area or in areas Census suppressed.
| Area | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Minneapolis, MN-WI | 1,015 | 12,976 | 27.0 |
| Milwaukee, WI | 401 | 6,179 | 25.5 |
| Madison, WI | 186 | 3,543 | 26.3 |
| Green Bay, WI | 111 | 1,889 | 33.2 |
| Appleton, WI | 101 | 2,291 | 40.6 |
| Duluth, MN-WI | 100 | 1,525 | 35.5 |
| Racine, WI | 67 | 667 | 33.7 |
| La Crosse, WI-MN | 64 | 595 | 37.5 |
| Oshkosh, WI | 56 | 525 | 32.3 |
| Wausau, WI | 54 | 502 | 38.8 |
| Fond du Lac, WI | 50 | 925 | 48.0 |
| Whitewater, WI | 49 | 348 | 46.2 |
| Janesville, WI | 46 | 334 | 27.8 |
| Eau Claire, WI | 45 | 492 | 25.5 |
| Sheboygan, WI | 39 | 417 | 33.0 |
| Baraboo, WI | 37 | 286 | 55.7 |
| Beaver Dam, WI | 34 | 222 | 38.4 |
| Watertown, WI | 34 | 165 | 39.4 |
| Kenosha, WI | 32 | 442 | 19.0 |
| Manitowoc, WI | 28 | 194 | 34.4 |
| Wisconsin Rapids, WI | 26 | 440 | 35.2 |
| Marinette, WI-MI | 26 | 165 | 39.8 |
| Platteville, WI | 23 | 96 | 44.0 |
| Stevens Point, WI | 19 | 164 | 26.4 |
| Rice Lake, WI | 19 | 100 | 40.6 |
Top 25 of 29 areas by establishments. Source: Census CBP 2023.
Team sizes at plumbing, heating and air-conditioning contractors in Wisconsin
55.1% of Wisconsin's plumbing, heating and air-conditioning contractors with employees had fewer than five people in March 2023, compared with 58.3% nationally. 74.5% 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 | 1,072 | 55.1% | 58.3% |
| 5–9 employees | 377 | 19.4% | 18.5% |
| 10–19 employees | 263 | 13.5% | 11.8% |
| 20–49 employees | 156 | 8.0% | 7.5% |
| 50 or more employees | 76 | 3.9% | 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 Wisconsin
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 Wisconsin as much as anywhere.
Typical inbound and outbound calls for plumbing, heating and air-conditioning contractors in Wisconsin:
- A customer calls to book a seasonal tune-up.
- The dispatcher calls a customer with a technician's arrival time.
- A general contractor calls about rough-in timing.
Business texting for plumbing, heating and air-conditioning contractors
Contractors text arrival windows, technician names and invoices.
Texting from a local number in Wisconsin requires carrier registration (10DLC), a one-time $49 fee on Callata.
Phone system pricing for a 12-person plumbing and HVAC contractor
Plumbing, heating and air-conditioning contractors in Wisconsin average 12.1 employees, so the comparison uses a 12-person team. On a per-user plan that headcount sets the bill: $299.40 a month on Ooma Office Pro or $360.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,452 less than RingCentral for a plumbing and HVAC contractor in Wisconsin 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 | $239.00 | $2,868.00 |
| Quo (Starter) | $19.00 per user | $228.00 | $2,736.00 |
| Nextiva (Core) | $23.00 per user | $276.00 | $3,312.00 |
| Ooma (Office Pro) | $24.95 per user | $299.40 | $3,592.80 |
| Dialpad (Standard) | $27.00 per user | $324.00 | $3,888.00 |
| RingCentral (RingEX Core) | $30.00 per user | $360.00 | $4,320.00 |
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 Wisconsin
Wisconsin has 8 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 |
|---|---|---|---|---|
| 608 | 785 | Central | 1955 | 353 |
| 715 | 785 | Central | 1947 | 534 |
| 920 | 785 | Central | 1997 | 274 |
| 262 | 634 | Central | 1999 | none |
| 414 | 552 | Central | 1947 | none |
| 534 | 98 | Central | 2010 | 715 |
| 274 | 29 | Central | 2023 | 920 |
| 353 | 13 | Central | 2023 | 608 |
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 Wisconsin
For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.
Porting a number you already use in Wisconsin 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 Wisconsin?
1,944 in 2023, according to Census County Business Patterns. They employed 23,507 people in mid-March.
Which Wisconsin metro area has the most plumbing, heating and air-conditioning contractors?
Minneapolis, MN-WI, with 1,015 establishments in 2023.
What does a phone system cost a 12-person plumbing and HVAC contractor?
$360.00 a month on RingCentral RingEX Core or $299.40 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $239.00 on Callata ($99 a month with 5 users included, then $20 per additional user).
Do I need to register to text customers from a Wisconsin 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.