Business phone system for plumbing, heating and air-conditioning contractors in Colorado
2,620 plumbing, heating and air-conditioning contractors operated in Colorado in 2023. Where they are, how big their teams are, and what phone service costs them.
- Establishments
- 2,620CBP 2023
- Employees
- 24,178mid-March 2023
- Per 100k residents
- 44.0U.S. 32.7
- State rank
- 14th of 51by count
Plumbing, heating and air-conditioning contractors in Colorado by the numbers
Colorado had 2,620 plumbing, heating and air-conditioning contractors in 2023, according to Census County Business Patterns (NAICS 238220, Plumbing, Heating, and Air-Conditioning Contractors). They employed 24,178 people in mid-March and reported $1.7 billion in annual payroll. That is the 14th highest count among the 51 states and DC with published figures. Plumbing, heating and air-conditioning contractors make up 1.4% of the 182,486 business establishments in the state.
Per 100,000 residents (2024 estimate) Colorado has 44.0 plumbing, heating and air-conditioning contractors, 34.5% above the national rate of 32.7. The average establishment has 9.2 employees against 10.9 nationally. Payroll per employee is $71,914, 2.4% below the U.S. figure of $73,693.
| Measure | Colorado | United States |
|---|---|---|
| Establishments | 2,620 | 111,207 |
| Mid-March employees | 24,178 | 1,214,761 |
| Annual payroll | $1,738,728,000 | $89,519,407,000 |
| Employees per establishment | 9.2 | 10.9 |
| Payroll per employee | $71,914 | $73,693 |
| Establishments per 100,000 residents | 44.0 | 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.
Colorado's largest markets for plumbing, heating and air-conditioning contractors
Census published plumbing and HVAC contractor counts for 17 metro or micropolitan areas that include part of Colorado. The largest is Denver, CO, with 1,183 establishments. Single-state metro and micropolitan areas account for 94% of the statewide total; the rest are outside any published area or in areas Census suppressed.
| Area | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Denver, CO | 1,183 | 13,155 | 38.8 |
| Colorado Springs, CO | 270 | 2,372 | 34.7 |
| Fort Collins, CO | 185 | 2,143 | 49.4 |
| Greeley, CO | 149 | 1,095 | 40.3 |
| Grand Junction, CO | 98 | 832 | 60.8 |
| Rifle, CO | 97 | 580 | 121.5 |
| Boulder, CO | 95 | 1,093 | 28.8 |
| Edwards, CO | 79 | 605 | 145.4 |
| Breckenridge, CO | 59 | 216 | 154.2 |
| Pueblo, CO | 54 | 434 | 31.8 |
| Durango, CO | 45 | 253 | 79.2 |
| Steamboat Springs, CO | 44 | 173 | 114.6 |
| Montrose, CO | 39 | 257 | 87.0 |
| Cañon City, CO | 29 | 159 | 57.9 |
| Fort Morgan, CO | 15 | 54 | 49.5 |
| Alamosa, CO | 10 | 39 | 35.8 |
| Sterling, CO | 9 | 26 | 43.4 |
Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.
Team sizes at plumbing, heating and air-conditioning contractors in Colorado
63.0% of Colorado's plumbing, heating and air-conditioning contractors with employees had fewer than five people in March 2023, compared with 58.3% nationally. 80.6% 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 | 1,651 | 63.0% | 58.3% |
| 5–9 employees | 460 | 17.6% | 18.5% |
| 10–19 employees | 261 | 10.0% | 11.8% |
| 20–49 employees | 167 | 6.4% | 7.5% |
| 50 or more employees | 80 | 3.1% | 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 Colorado 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. That holds for plumbing, heating and air-conditioning contractors in Colorado as much as anywhere.
A few of the calls that come in to plumbing, heating and air-conditioning contractors in Colorado:
- A customer calls to book a seasonal tune-up.
- A homeowner calls because the air conditioning stopped working.
- The dispatcher calls a customer with a technician's arrival time.
Business texting for plumbing, heating and air-conditioning contractors
Contractors text arrival windows, technician names and invoices.
Texting from a local number in Colorado requires carrier registration (10DLC), a one-time $49 fee on Callata.
Phone system pricing for a 9-person plumbing and HVAC contractor
Plumbing, heating and air-conditioning contractors in Colorado average 9.2 employees, so the comparison uses a 9-person team. On a per-user plan that headcount sets the bill: $224.55 a month on Ooma Office Pro or $270.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $179.00 a month for 9 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $1,092 less than RingCentral for a plumbing and HVAC contractor in Colorado 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 | $179.00 | $2,148.00 |
| Quo (Starter) | $19.00 per user | $171.00 | $2,052.00 |
| Nextiva (Core) | $23.00 per user | $207.00 | $2,484.00 |
| Ooma (Office Pro) | $24.95 per user | $224.55 | $2,694.60 |
| Dialpad (Standard) | $27.00 per user | $243.00 | $2,916.00 |
| RingCentral (RingEX Core) | $30.00 per user | $270.00 | $3,240.00 |
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 Colorado
Colorado has 6 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 |
|---|---|---|---|---|
| 720 | 785 | Mountain | 1998 | 303, 983 |
| 303 | 784 | Mountain | 1947 | 720, 983 |
| 970 | 775 | Mountain | 1995 | 748 |
| 719 | 665 | Mountain | 1988 | none |
| 983 | 46 | Mountain | 2022 | 303, 720 |
| 748 | 0 | Mountain | 2025 | 970 |
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 Colorado
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 Colorado 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 Colorado?
2,620 in 2023, according to Census County Business Patterns. They employed 24,178 people in mid-March.
Which Colorado metro area has the most plumbing, heating and air-conditioning contractors?
Denver, CO, with 1,183 establishments in 2023.
What does a phone system cost a 9-person plumbing and HVAC contractor?
$270.00 a month on RingCentral RingEX Core or $224.55 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $179.00 on Callata ($99 a month with 5 users included, then $20 per additional user).
Do I need to register to text customers from a Colorado 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.