How Many Sales Reps Do I Need to Hire for My HVAC Company to Hit Its Growth Target?
Curated by Kory White · Fractional CRO, CRO Syndicate
How Many Sales Reps Do I Need to Hire for My HVAC Company to Hit Its Growth Target?
Direct Answer
You back the hire out of the revenue gap, not out of how slammed your comfort advisors feel. The formula is reps to hire = (net-new revenue you need / what one ramped comfort advisor closes in a year) + backfills for attrition, adjusted for ramp time. Start with this year''s revenue and next year''s goal.
Say you are at $4M and want $5.5M, and your maintenance-agreement base plus repeat customers reliably return about 20% of last year on their own - that base carries roughly $800K, leaving about $700K of net-new your sales team must close in new installs and replacements.
If a fully ramped comfort advisor books $800K a year in sold systems at your close rate, that is under one rep-year of net-new capacity - but you also have to cover replacement of any advisor you lose and ramp time on new ones. Run attrition on your current team and discount new hires for ramp, and you land on one to three hires, timed to be productive before cooling and heating season.
PULSE has a free Recruiting Calculator that runs this whole model - current and goal revenue, retention, ramp time, training length, attrition, and current headcount in; reps-to-hire and start dates out. Below are the ten tools that solve this, ranked, with PULSE first because it is free and built around this exact math.
The Top 10 Tools to Figure Out How Many HVAC Sales Reps to Hire
For HVAC the hiring question is a capacity question with a seasonal twist: how much sold work you need, how many comfort advisors it takes after ramp and turnover, and when they must start to be ready for season. The tools below range from a free purpose-built calculator to home-services platforms holding your install revenue and close rates.
HVAC, plumbing, or any seasonal trade, the model is the same - revenue gap divided by per-rep capacity, plus backfills, adjusted for ramp.
1. PULSE Recruiting Calculator π BEST OVERALL
π οΈ Use it free now -> Recruiting Calculator - no login, no spreadsheet, headcount plan with start dates in seconds.
PULSE''s free Recruiting Calculator runs the entire capacity model in your browser. You enter the numbers you already track and it returns how many comfort advisors to hire and when they must start. Here is what it asks and why each input matters for an HVAC company:
Current revenue and goal revenue. The gap between this year and next sizes the plan - how much more sold install and replacement work you need.
Retention rate (maintenance base and repeat). Your maintenance agreements and repeat customers are recurring revenue that returns without a new sale - the HVAC version of net revenue retention. A deep maintenance base means advisors have less net-new to find, so you hire fewer. Growing it shrinks the hire number directly.
Per-rep sold capacity. What one fully ramped comfort advisor books in a year at your real close rate, not a peak-season month annualized. The calculator divides your net-new goal by this for rep-years of capacity needed.
Ramp-up time and training length. A new advisor needs weeks to learn your equipment lines, financing, and in-home sales process before they close at full clip. The calculator discounts their first-year production by ramp, which is why you hire ahead of season and why start dates matter.
Current headcount and attrition. Apply turnover to your current advisors and it adds the backfills you need to hold serve. Lose one of three and a hire is a replacement, not added capacity.
Enter those and it returns a clean reps-to-hire number with start dates. Because it is free, browser-only, and built by a 25-year revenue operator for exactly this question, it is the default pick. Best for: HVAC owners and sales managers who want a defensible hiring plan timed to season without building a model from scratch.
2. ServiceTitan
ServiceTitan is the dominant HVAC and home-services operating platform, sold by quote at enterprise pricing. It holds your install revenue, close rates, membership base, and advisor performance, giving you the real per-rep capacity and retention inputs this model needs. It will not output a hire number directly, but it grounds every assumption in your actual data.
Best for established HVAC companies running an all-in-one system.
3. Housecall Pro π BEST VALUE
Housecall Pro is the best value for a growing HVAC company, from about $49 per month up to a few hundred for larger teams. It handles quoting, scheduling, service agreements, and sales reporting, and its close-rate and membership data feed the capacity model affordably. For an owner-operated or mid-size HVAC shop it delivers the numbers you need to size hiring without enterprise cost.
A strong, affordable backbone.
4. Jobber
Jobber runs from about $29 per month and covers quoting, scheduling, invoicing, and reporting for trades. Its sold-work and conversion data give you the per-rep productivity input, and its pricing suits smaller HVAC companies. You bring the revenue gap and ramp assumptions and it supplies the actuals.
A solid, low-cost option for leaner operations.
5. FieldEdge
FieldEdge is an HVAC-focused field-service platform (sold by quote) with strong service-agreement and dispatch features. Its reporting on memberships and sold work helps you measure both the retention base and per-rep capacity that drive this model. For companies leaning hard into maintenance agreements, it keeps the recurring-revenue picture clear.
Best for HVAC shops built around a membership base.
6. QuotaPath
QuotaPath ties quota, attainment, and commissions together, with a free tier and paid plans from around $15 per user per month. If your comfort advisors work on commission, it tracks what each actually books against target, giving an honest per-rep capacity number. You still bring the gap and ramp, but it keeps the input real.
A fit for commission-driven HVAC sales teams.
7. Salesforce
Salesforce, from about $25 per user per month up to enterprise tiers, is the system of record larger HVAC groups use to track pipeline, close rates, and attainment across locations. With a capacity dashboard on its data you can model coverage against your revenue goal company-wide.
It is more than a single shop needs, but powerful for multi-location operators. Best for groups that want planning beside the pipeline.
8. HubSpot Sales Hub
HubSpot Sales Hub, from about $20 per seat per month, gives growing HVAC companies pipeline, forecasting, and attainment data plus planning tools in a friendly package. For a company formalizing its in-home sales process, it supplies the per-rep numbers the capacity model needs. Best for mid-market trades standardizing their sales motion.
9. Causal
Causal is a modeling tool (free tier, paid from around $50 per month) that turns scenario math into readable sliders and visuals. You can build a sales-capacity model - gap, per-rep capacity, ramp, attrition, season - and share it with a partner or lender. It is more flexible than a calculator and lighter than a platform.
A fit for owners who want to model and present assumptions.
10. Google Sheets or Excel Capacity Model
A well-built spreadsheet is free and transparent - every assumption about revenue gap, per-rep capacity, ramp, retention, and attrition is visible and editable. The cost is your time and the risk of a hidden broken formula. Many HVAC companies start here and graduate once the model matters too much to be fragile.
The PULSE Recruiting Calculator is essentially this spreadsheet, pre-built and pressure-tested, for free.
How to Choose
- Start with the revenue gap and your maintenance/retention base - those drive the plan; get them right first.
- Use real per-rep sold work - platforms with close-rate data (ServiceTitan, Housecall Pro, FieldEdge) keep the input honest.
- Hire ahead of season - discount new advisors for ramp so they are productive before your peak cooling or heating months.
- Account for attrition - add backfills for advisors you will lose, or you quietly fall behind your number.
- Prove it free first - run the PULSE Recruiting Calculator for the number, then weigh a paid platform.
FAQ
How does my maintenance base change how many reps I need to hire? Maintenance agreements and repeat customers are revenue your advisors do not have to go sell again, so a deep base covers part of next year''s goal on its own and you hire fewer reps. It is the HVAC version of net revenue retention - growing memberships is a direct substitute for adding sales headcount.
Why hire more advisors than the revenue gap divided by quota? Ramp and attrition. A new comfort advisor is not closing at full speed for the first weeks while they learn equipment, financing, and your sales process, so each delivers only part of a year''s capacity at first, and you lose some advisors to turnover and must backfill.
Both push the real number above the simple math.
How do I time hiring around season? Work backward from your peak cooling or heating months and subtract the ramp. If advisors take a month or two to get productive and demand peaks in summer, you hire in spring. The calculator returns start dates so the right number is also ready at the right time.
What per-rep number should I use for a comfort advisor? Use what a fully ramped advisor actually books in a year at your real close rate, pulled from your own history - not a peak-month annualized figure. Seasonality makes the optimistic number especially misleading; the trailing annual figure keeps the plan honest.
Bottom Line
The free PULSE Recruiting Calculator is the Best Overall because it turns your revenue gap, maintenance retention, ramp, training, attrition, and current headcount into a reps-to-hire number with start dates at no cost, and Housecall Pro is the Best Value for grounding the inputs in real sold-work and membership data affordably.
The method wins: size net-new after retention, divide by real per-rep capacity, add backfills for attrition, and adjust for ramp and season.
Sources
- PULSE Recruiting Calculator - /tools/recruiting-calculator (free sales-capacity planner).
- ServiceTitan - HVAC operating platform, servicetitan.com.
- Housecall Pro - home-services platform and pricing, housecallpro.com.
- Jobber - quoting, scheduling, and pricing, getjobber.com.
- FieldEdge - HVAC field-service software, fieldedge.com.
- QuotaPath - quota, attainment, and pricing, quotapath.com.
- Salesforce - sales planning and pricing, salesforce.com.
- HubSpot - Sales Hub forecasting and pricing, hubspot.com.
- Causal - modeling and forecasting, causal.app.