Seasonal Cash Flow Planning: How Contractors Survive the Slow Months
If you run an HVAC company, you know July is chaos and February is a ghost town. Roofers are slammed in summer and idle in winter. Landscapers pack 70% of their revenue into six months. Every trade has its rhythm — and every year, the slow season catches someone off guard.
The contractors who survive aren't the ones with the most revenue. They're the ones who plan their cash around the calendar.
The Seasonal Cash Flow Problem
Here's what makes seasonal swings dangerous: revenue drops but costs don't. Your trucks still need insurance. Your office still needs rent. Your best technicians still need a paycheck — because if you lay them off, they won't be there when things pick up. Fixed costs eat cash during slow months, and the gap between what's going out and what's coming in can drain reserves fast.
A typical HVAC contractor with $2M in revenue might do $300K in July but only $80K in February. If monthly overhead is $120K, February is a $40K cash drain — and that's before any equipment payments or unexpected repairs.
The 3-Step Seasonal Plan
1. Map Your Revenue Curve
Look at the last 2-3 years of monthly revenue. Plot it out. You'll see your pattern clearly — most contractors have 4-5 strong months, 3-4 average months, and 3-4 weak months. Identify which months are cash-positive and which are cash-negative.
2. Build the Reserve During Peak
During your strong months, set aside a fixed percentage of revenue into a separate account. The target: enough to cover 2-3 months of fixed costs. For a contractor with $100K/month in overhead, that's $200K-$300K in reserves. It feels painful to save during the busy season, but it's the only way to avoid panic during the slow one.
3. Forecast Forward, Not Backward
A P&L tells you what already happened. A cash flow forecast tells you what's coming. Build a 13-week rolling forecast that projects your cash position week by week, accounting for seasonal revenue patterns, planned expenses, payroll dates, and receivables. Update it every Friday afternoon.
If the forecast shows a cash crunch in 8 weeks, you have time to act — pull forward a maintenance contract push, delay an equipment purchase, or line up a credit facility. If you find out when it's already happening, your options are much worse.
Maintenance Contracts: The Seasonal Stabilizer
The smartest contractors use recurring maintenance agreements to flatten their revenue curve. An HVAC company with 500 maintenance contracts at $15/month has $7,500 in predictable monthly revenue regardless of season. That alone might cover a significant chunk of fixed costs during slow months.
If you're not pushing maintenance contracts, you're leaving the best seasonal cash flow tool on the table.
Plan Now, Not Later
The best time to plan for the slow season is during the busy one — when cash is flowing and decisions don't feel urgent. Tools like Accomptant generate 13-week and 90-day cash flow forecasts from your actual financial data, showing you exactly when seasonal dips will hit and how deep they'll go. That visibility turns a crisis into a plan.