HVAC, Plumbing and Electrical Service Call Statistics (2026): Volume, Value, Missed Calls

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What Counts as a "Service Call" in Home Services

Before the numbers, the definitions. In HVAC, plumbing and electrical contracting, a "service call" almost always means an inbound phone inquiry from a homeowner or facilities manager that results in a technician either being dispatched the same day (demand service) or scheduled (maintenance, installation, quote). Contractors usually split these calls into three buckets: demand / emergency service, maintenance / tune-up, and replacement / installation. Each bucket has very different ticket sizes, conversion rates and urgency profiles, and the benchmarks below are only meaningful once you know which bucket a stat refers to.

HVAC, Plumbing and Electrical Industry Size (BLS, IBISWorld)

• US HVAC technicians: the US Bureau of Labor Statistics reports about 440,900 jobs for heating, air conditioning and refrigeration mechanics and installers in 2025, with employment projected to grow 11% from 2025 to 2035, much faster than the average for all occupations (BLS Occupational Outlook Handbook).
• US plumbers: BLS reports about 510,600 jobs for plumbers, pipefitters and steamfitters in 2025, with 7% projected growth from 2025 to 2035 (BLS).
• US electricians: BLS reports about 821,000 electrician jobs in 2025, with 9% projected growth from 2025 to 2035 (BLS).
• HVAC contractor market: IBISWorld estimates the US heating and air-conditioning contractors industry at about $159B in 2026 (IBISWorld).
• Plumbing contractor market: IBISWorld estimates the US plumbers industry at about $208B in 2026 (IBISWorld).
• Electrical contractor market: IBISWorld's 2026 estimates put the US electricians industry at more than $340B (IBISWorld).

These three trades together handle north of half a trillion dollars of work in the US alone, nearly all of it triggered by a phone call.

Call Volume per Contractor (ServiceTitan)

• Inbound call volume: we found no published benchmark for daily inbound calls per shop, for peak-week multiples or for the service-versus-installation call mix; the ranges attributed to Service Roundtable, Contractor Magazine, ACCA and ServiceTitan on vendor sites could not be traced to those organisations. The measured seasonal signal is ServiceTitan's 2025 platform data, in which the off-hours share of residential HVAC calls ran from 9.8% in October to 14.1% in June. Pull a year of your own call log to see your daily average and your peak weeks.
• Call-to-booked-job conversion (CSR performance): ServiceTitan's data from more than 3,000 trade businesses put the typical shop's call booking rate at 42% in June 2022, meaning just over 4 in 10 calls became jobs. By trade it was 43% for plumbing, 41% for electrical and 38% for HVAC; by size, businesses with 25 or more technicians booked 59% of calls and those with fewer than five booked 24%. That is the most recent booking-rate data ServiceTitan has published. Every 10 points of book rate on a 50-call day is 5 missed jobs.

Average Service Call Value (Angi)

• HVAC service call (diagnostic + minor repair): Angi's 2026 HVAC repair guide puts an initial HVAC service call at $100-250 for the assessment alone and the average HVAC repair at $350, with most repairs between $130 and $2,000.
• AC replacement: Angi's 2026 guide puts the average AC replacement at $5,978, with a range of $1,400 to $12,500 depending on type, size and ductwork.
• Furnace replacement: Angi's 2026 national average for a new furnace installation is $4,814, with most homeowners paying $2,823-6,897.
• Plumbing service call: Angi's 2026 plumbing guide puts the service call fee at $100-250 and typical plumbing jobs at $182-501; water heater replacement averages $1,348, with a range of $882 to $1,826.
• Electrical service call: Angi's electrician guide puts the service call fee at $100-200 for the first hour and the average job at $351 ($163-538); panel upgrades run $1,200-2,000, and rewiring a house costs about $2-4 per square foot, or $5,000-10,000 for a 2,500 square foot home.
• Revenue per booked call (blended): we found no published Service Roundtable or other primary benchmark for revenue per booked call, so none is given here. Work it out from your own books: revenue from phone-booked jobs divided by the number of booked calls.

Emergency and Same-Day Call Share (CallRail)

• Emergency share: we found no published ACCA or Service Roundtable figure for the share of HVAC, plumbing or electrical calls that are emergencies or same-day demand, so none is given here. The share rises with the weather, and plumbing emergencies such as active leaks, no hot water and sewer back-ups arrive year-round. Tag each job in your dispatch log as emergency, maintenance or replacement for a season and divide. On what callers do when nobody answers, the measured evidence is CallRail's 2025 survey of 1,000 US consumers: 82% said they would call a competitor and 21% said they do so immediately.

After-Hours and Weekend Call Volume (ServiceTitan, BrightLocal)

• After-hours share of total volume: ServiceTitan's platform data on residential HVAC does break this out, and it is far smaller than the ranges vendors quote: 14.1% of calls arrived off-hours (weekdays before 8 AM or after 5 PM, plus weekends) at the June 2025 peak and 9.8% at the October trough. The 25-40% commonly claimed for these trades is off by roughly two and a half to three times. For a cross-category view of when local-business calls arrive, the largest first-party measurement is BrightLocal's 2019 study of 45,264 local-business listings (data from September 2017 to December 2018) across 36 industries, and it reports by category rather than as a single average: locksmiths, the nearest emergency trade in that sample, take 34% of their calls after 5 PM plus a further 8% before 9 AM and 31% at the weekend, while restaurants run at 51% after 5 PM. The category spread is wide enough that a blended home-services percentage is not worth quoting. The shape is clearer than the size: ServiceTitan's data points to summer evenings and weekends as the pressure points.
• Weekend share: weekends are a small slice of residential HVAC volume. In ServiceTitan's 2025 platform data, weekend calls peaked at 4.9% of inbound calls in August and fell to 2.95% in October. What makes them costly is that they land when the fewest people are staffed to answer; we found no published weekend missed-call rate, so measure yours from the call log.
• Heat-wave / cold-snap nights: ServiceTitan's data puts the June off-hours share about 45% above October's, with weekday after-hours calls peaking at 9.3% of inbound calls in June. It publishes no figure for how far overnight volume rises on the worst nights, and we found no other primary source for one. For contractors without 24/7 live answering, those calls go to voicemail.

Missed-Call Rates and the Cost of Voicemail (Invoca, CallRail)

• Missed-call rates in home services: the most recent measured figure is Invoca's July 2026 home services benchmarks: across nine sub-industries, 52% of inbound calls were answered by a person, and HVAC calls only 34% of the time against 74% for plumbing. Those are averages across Invoca's own customer base rather than a census. The other numbers in circulation are thinner. The 20-30% of inbound volume repeated for normal weeks, and the 40-50% quoted for seasonal peaks, are vendor figures with no named sample behind them, so treat them as an order of magnitude rather than a benchmark and measure your own from the call log.
• Voicemail conversion: two kinds of evidence matter here, and only one of them exists. Asked what they do, 42% of the consumers in CallRail's 2025 survey said they leave a voicemail. Platform data would record what they actually did, and we cannot give you that number. An earlier version of this page put it near 2%, attributed to Invoca platform data; both URLs cited for that figure return 404 and have no Internet Archive capture at any date, while invoca.com/blog itself is archived repeatedly, so it was removed as unverifiable rather than re-sourced. Treat the 42% as what people say, not what they do. Either way, a message left on a Friday night competes with the contractor the homeowner phoned next, so the share that survives to a booked job is smaller again. (The "80% of callers leave no voicemail" line that circulates on home-services blogs terminates in a 2014 Forbes contributor post with no study behind it, so we do not use it.)
• Caller callback behavior: the closest thing to a measured answer is CallRail's September 2025 survey of 1,000 US consumers: 78% said they had abandoned a business after an unanswered call, 82% said they would call a competitor, and 21% said they call another business immediately rather than waiting at all. The much-repeated "85% of callers never call back" is not a CallRail finding and not a study at all - every citation chain with a live link lands on an uncited 2016 vendor blog post.
• Dollar cost: if a contractor misses 20 calls a week, books 38% of calls (ServiceTitan's June 2022 HVAC average) and earns Angi's 2026 average HVAC repair ticket of $350 per booked job, that is 20 × 0.38 × $350 = $2,660 of weekly missed revenue, or about $138,000 a year. That is a conservative figure, since some booked calls turn into replacements worth thousands; swap in your own booking rate and average ticket.

Lead-to-Booked-Job Conversion (ServiceTitan, Invoca)

• Call-to-booked-job book rate: in ServiceTitan's June 2022 data, the typical shop booked 42% of calls (HVAC 38%), ranging from 59% for businesses with 25 or more technicians to 24% for those with fewer than five. The newer Invoca 2026 benchmarks measure a different step: of HVAC calls answered by a person, 45% were leads and 43% of those leads converted on the call.
• Speed-to-lead and close rates: the published research on response speed (the 2007 MIT/InsideSales study and the 2011 Harvard Business Review audit, see our lead response time studies) covers web leads in general rather than home services, and we found no home-services dataset that puts a multiple on it or on estimate close rates. Track time-to-first-call and estimate close rate in your own CRM; they are the two numbers that show whether speed is costing you jobs.

Technician Scheduling, On-Time and No-Show Rates

• Utilization, on-time arrival, no-shows and callbacks: we found no published ServiceTitan, Nexstar, Service Roundtable or ACCA benchmark for any of the four, so none is given here. All four are in a standard FSM report, and each one ties up a billable slot that could have been a new booking, so they are worth tracking month by month.

Residential vs Commercial Call Profile

• Volume mix and ticket size: most independent HVAC, plumbing and electrical shops are residential-heavy, and commercial work skews toward recurring maintenance contracts with larger tickets, but we found no published ACCA or ServiceTrade benchmark for either split, so none is given here.
• Call urgency: commercial calls skew more toward scheduled maintenance contracts, while residential skews toward emergency / demand. The after-hours share of commercial calls is lower but carries higher SLA penalties when missed (facility downtime, compliance).

Seasonal Call Spikes (ServiceTitan)

• Summer and winter spikes: the measured signal is ServiceTitan's 2025 platform data on residential HVAC: the share of calls arriving off-hours rose from 9.8% in October to 14.1% in June, weekday after-hours calls peaked at 9.3% in June and weekend calls at 4.9% in August. We found no published multiple for total volume in a heat wave or a cold snap, so compare your own peak weeks against your annual daily average.
• Shoulder seasons: spring and fall are the highest-margin windows for scheduled maintenance, tune-ups and pre-season inspections, yet most shops under-invest in outbound calling during these windows and over-invest in emergency capacity during peaks.

Implications for Contractors in 2026

Three patterns repeat across every study:

1. Call volume is concentrated in short, high-urgency windows (heat waves, cold snaps, nights, weekends) during which human CSR teams are structurally under-staffed.
2. Missed-call rates in the 20-40% range are routinely quoted for shops of this size. That band is an order of magnitude rather than a measured benchmark, so take your own from the call log, and note that each missed call costs hundreds of dollars in expected revenue at whatever rate you measure.
3. Book rate, speed-to-lead and on-time arrival are the three operational levers with the largest effect on revenue per call. All three degrade under load.

The implication is that the binding constraint on most home-service shops is not technician capacity. It is phone capacity at peak hours, after hours and on weekends.

How After-Hours AI Phone Answering Captures Emergency HVAC Calls

AI phone answering closes the three gaps the data above exposes: missed after-hours calls, slow callbacks during peak volume, and inconsistent CSR book rates.

When a homeowner calls at 21:30 because their AC died during a heat wave, an AI voice agent answers on the first ring, collects the address, the system symptoms, the homeowner's name and callback number, books a same-day or next-morning slot into the dispatch calendar, and dispatches a text confirmation. No voicemail. No "please call back during business hours." No lost lead to the next contractor on the Google results page.

During peak weekday volume, the AI handles overflow from human CSRs, so the 20th simultaneous caller does not hit hold music and hang up. During shoulder-season maintenance campaigns, the same AI makes outbound reminder calls to customers whose last tune-up was more than 12 months ago, turning CRM data that would otherwise sit idle into booked appointments. And because the AI performs the same qualification script on every call, the book rate stops fluctuating with CSR mood, tenure and lunch schedules.

The economic case is straightforward. If a contractor is missing 20 calls a week, books 38% of calls (ServiceTitan's June 2022 HVAC average) and earns $350 per booked job (Angi's 2026 average HVAC repair), recovering even half of those calls is roughly $69,000 of incremental annual revenue, before counting the replacements some of those calls turn into. That is the kind of figure a quote for AI call capture should be weighed against, and it is worth running on your own numbers.

For a broader look at how AI voice agents fit into HVAC, plumbing and electrical operations, see the AI voice agent guide for HVAC, plumbing and home services. For a comparison against the most common FSM platform, see the ServiceTitan AI review and alternatives.