CallataGuides

Business phone system for plumbing, heating and air-conditioning contractors in Ann Arbor, MI

Plumbing, heating and air-conditioning contractors in the Ann Arbor, MI metro area: 70 establishments in 2023, the local area codes, and what phone service costs an 11-person team.

Establishments
70CBP 2023
Employees
803mid-March 2023
Per 100k residents
18.7U.S. 32.7
Rank
231st of 920areas by count

How many plumbing, heating and air-conditioning contractors are in Ann Arbor, MI?

County Business Patterns counts 70 plumbing, heating and air-conditioning contractors (NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors) in the Ann Arbor, MI metro area for 2023. They employed 803 people in mid-March and paid $61.6 million in annual payroll. By establishment count the area is 231st out of 920 areas with published figures for plumbing, heating and air-conditioning contractors.

Measured against its 374,000 residents (2024 estimate), the area has 18.7 plumbing, heating and air-conditioning contractors per 100,000 people; the U.S. rate is 32.7, so Ann Arbor, MI is 42.7% below the national figure. The average establishment here has 11.5 employees, compared with 10.9 nationally. Payroll per employee comes to $76,745, 4.1% above the national $73,693.

Plumbing, heating and air-conditioning contractors: Ann Arbor, MI compared with Michigan and the U.S., 2023
MeasureAnn Arbor, MIMichiganUnited States
Establishments702,661111,207
Mid-March employees80330,5461,214,761
Annual payroll$61,626,000$2,318,259,000$89,519,407,000
Employees per establishment11.511.510.9
Payroll per employee$76,745$75,894$73,693
Establishments per 100,000 residents18.726.232.7

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 Ann Arbor, MI

Of the plumbing, heating and air-conditioning contractors in Ann Arbor, MI that had employees in March 2023, 48.6% had fewer than five (the U.S. share is 58.3%). 67.1% had fewer than ten. Small teams usually share the phone: the person who answers is often also serving a customer or doing the job, which is when calls get missed.

Plumbing, heating and air-conditioning contractors in Ann Arbor, MI by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees3448.6%58.3%
5–9 employees1318.6%18.5%
10–19 employees1115.7%11.8%
20–49 employees912.9%7.5%
50 or more employees34.3%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.

What plumbing, heating and air-conditioning contractors in Ann Arbor, MI use the phone for

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.

Calls a plumbing and HVAC contractor in Ann Arbor, MI might handle in a typical week include:

Texting customers

Contractors text arrival windows, technician names and invoices.

Texts sent from a local business number in Ann Arbor, MI have to be registered with carriers first (10DLC); on Callata that is a one-time $49 fee, after which the whole team can text from the shared number.

What a phone system costs a plumbing and HVAC contractor in Ann Arbor, MI

The average plumbing and HVAC contractor in Ann Arbor, MI has 11.5 employees, so an 11-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, 11 users on RingCentral RingEX Core cost $330.00 a month and 11 on Ooma Office Pro cost $274.45. Callata comes to $219.00 a month for 11 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $1,332 less than RingCentral for a plumbing and HVAC contractor in Ann Arbor, MI of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for an 11-person plumbing and HVAC contractor
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

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.

Local area codes for plumbing, heating and air-conditioning contractors in Ann Arbor, MI

NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 734 has the most, with 230 of 232 exchanges (99%). A local number lets customers in Ann Arbor, MI 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 codes in the Ann Arbor, MI area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
734230Eastern1997679
2692Eastern2002none

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 Ann Arbor, MI

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 Ann Arbor, MI 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 Ann Arbor, MI?

Census County Business Patterns counted 70 plumbing, heating and air-conditioning contractors in the Ann Arbor, MI metro area in 2023. They employed 803 people in mid-March.

What does a business phone system cost for an 11-person plumbing and HVAC contractor?

At month-to-month list prices checked September 28, 2026, 11 users cost $330.00 a month on RingCentral RingEX Core and $274.45 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $219.00.

What area code should a plumbing and HVAC contractor in Ann Arbor, MI use?

Area code 734 has the most assigned exchanges among the area's named places, followed by 269. 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.