Numbers

Your HVAC Overhead Percentage of Revenue: What to Aim For

Learn what your HVAC overhead percentage of revenue should be and how to trim it without harming your field operations. Make smart financial decisions for your business.

August 13, 2026 · 2,426 words

Key takeaways

  • Aim for an HVAC overhead percentage of revenue between 25% and 35% to stay profitable.
  • Separate direct job costs from overhead to get a clear picture of your business expenses.
  • Review every overhead cost regularly to find places to save without cutting quality.
  • Use real-time numbers to spot overhead issues early and make quick, smart decisions.
  • Higher revenue per technician can naturally lower your overhead percentage by spreading fixed costs.

Understanding your HVAC overhead percentage of revenue is key to a healthy business. This guide helps you see what a good percentage looks like and how to lower it without cutting into your field team's success. We'll show you how smart financial management can keep your HVAC business strong.

What is Your HVAC Overhead Percentage of Revenue?

Your HVAC overhead percentage of revenue is a vital number that tells you how much of every dollar you earn goes to running your office, not directly to fixing a furnace or installing an AC unit. Think of it as the cost of keeping your lights on, your phone ringing, and your trucks fueled, even before you start a job. This includes things like office rent, administrative salaries, insurance for the business, and marketing. It does NOT include the parts you buy for a specific repair or the hourly pay for the technician on that job; those are 'cost of goods sold' or 'direct costs.' To figure out your overhead percentage, you simply divide your total overhead costs by your total revenue, then multiply by 100. For example, if your total overhead for the month is $25,000 and your total revenue for that same month is $100,000, your HVAC overhead percentage of revenue is 25%. (25,000 / 100,000 = 0.25; 0.25 * 100 = 25%). This number is crucial because it directly impacts your profit. If your overhead is too high, it eats away at your earnings, leaving less money for you, your team, and future growth. Getting a clear, real-time view of this number is the first step to making better financial choices for your business.

What's a Healthy Overhead Percentage for HVAC Companies?

For most successful HVAC companies, a healthy HVAC overhead percentage of revenue typically falls between 25% and 35%. This range allows you enough money to cover your fixed costs, invest in your business, and still make a solid profit. If your percentage is higher than 35%, it often means your costs are too high, or your revenue isn't keeping up. If it's much lower than 25%, you might be underinvesting in things like marketing or training, which could hurt you down the road. Keep in mind that this percentage can shift based on your business size, where you operate, and how aggressive your growth goals are. A brand-new business might have a higher percentage initially as it builds its customer base. A very established company might have a lower percentage due to economies of scale. The goal isn't just to hit a number; it's to have a number that supports your business's health and growth without being wasteful. Regularly comparing your percentage to industry averages and your own past performance helps you spot trends. Real-time financial tools can show you this percentage every day, helping you react faster than waiting for monthly reports.

Separate Your Costs: Direct vs. Overhead

Before you can trim your HVAC overhead percentage of revenue, you need to know exactly what's included. Many business owners accidentally mix up 'direct costs' with 'overhead costs.' This leads to bad decisions. Direct costs are expenses directly tied to doing a specific job. If you didn't do that job, you wouldn't have that cost. Overhead costs are what you pay to keep your business running, regardless of how many jobs you do. Let's break it down: * **Direct Costs (Cost of Goods Sold - COGS):** * Parts and materials for a specific repair or installation. * Technician wages for time spent *on a specific job* (if they are hourly or paid per job). * Subcontractor fees for a specific project. * Permit fees for a particular installation. * **Overhead Costs:** * Office rent and utilities. * Administrative staff salaries (dispatchers, office managers). * Marketing and advertising. * Business insurance (general liability, workers' comp premiums for office staff). * Truck payments and general fuel for the fleet (not tied to a specific job). * Office supplies, software subscriptions. * Your own salary (as an owner/manager). * Bookkeeping and accounting fees. Making this clear separation is step one. Your QuickBooks file should be set up so these are tracked separately. If you're mixing them up, your overhead percentage will look wrong, and you won't know where to focus your cost-cutting efforts. A clear view here lets you target the right areas.

Using Your Daily Brief to Spot Overhead Issues

Imagine waking up and seeing a clear snapshot of your business's health each morning. That's what a daily financial brief gives you. It's not just a bunch of numbers; it's a quick heads-up on what needs your attention. When it comes to your HVAC overhead percentage of revenue, this daily brief is a game-changer. Here’s how it works: Let's say your target overhead percentage is 30%. Your daily brief might show you: * **Today's Revenue:** $5,000 * **Month-to-Date (MTD) Revenue:** $75,000 * **MTD Overhead:** $25,000 * **MTD Overhead Percentage:** 33.3% (25,000 / 75,000) * **Alert:** Overhead % above target by 3.3%. This immediate alert tells you something is off *right now*, not weeks later when it's harder to fix. Instead of waiting for a monthly report, you know by 8 AM that your overhead is creeping up. This quick insight allows you to ask: 1. **Why is it higher?** Did a big insurance payment just hit? Did marketing spending jump? Are you paying overtime to office staff? Have sales slowed down unexpectedly? 2. **What can I do?** Can I delay a non-essential purchase? Are there small cuts I can make this week? Can I boost sales to balance it out? This kind of real-time information changes how you run your business. You move from reacting to old news to making proactive, informed decisions that keep your business on track. It's like having a dashboard in your truck that tells you when your tire pressure is low, not after you've already had a flat.

Smart Ways to Trim Overhead Without Hurting Field Work

Trimming your HVAC overhead percentage of revenue doesn't mean slashing services or cutting pay for your technicians. The goal is to be lean and smart, not cheap. Focus on waste and inefficiency, not on what helps your field team succeed. Here are areas to look at: * **Review all software subscriptions:** Do you pay for tools you rarely use? Are there overlapping services? For example, if you pay for three different project management apps, can you pick the best one and cancel the others? Even $50-$100/month adds up. * **Negotiate with suppliers:** Don't just accept the first price for office supplies, insurance, or even your internet bill. Call around, ask for better rates, and see if you can bundle services. A 10% saving on a $1,000/month insurance bill is $1,200 a year. * **Energy efficiency in the office:** Just like you help customers save, save yourself! Update old lighting, adjust thermostats, and unplug unused electronics. Small changes can lower your utility bills. * **Smart marketing:** Are your advertising dollars truly bringing in new customers? Track your marketing efforts. If a certain ad isn't working, stop spending money on it. Focus on what gets results, like local SEO or referral programs. * **Optimize administrative staff:** Can tasks be streamlined? Is everyone working efficiently? Sometimes, training or better software can make your existing staff more productive, avoiding the need to hire more people as you grow. This isn't about cutting people; it's about making sure your office runs like a well-oiled machine. The key is to cut fat, not muscle. Anything that directly supports your technicians in the field, like good tools, ongoing training, or reliable trucks, should be protected. Your field team is your revenue engine.

Boost Revenue Per Technician to Lower Your Percentage

One of the most effective ways to lower your HVAC overhead percentage of revenue isn't just cutting costs; it's by boosting your revenue. Specifically, increasing the revenue generated by each of your technicians. Think of it this way: your overhead costs (office rent, administrative salaries, etc.) are relatively fixed. If you can generate more sales with the same number of office staff and the same office space, that fixed overhead cost is spread over more revenue, making its percentage smaller. Here’s how to do it: * **Efficient Scheduling:** Use smart scheduling software to minimize travel time between jobs. More wrench time means more billable hours. A technician who does 4 jobs a day instead of 3 earns 33% more revenue in the same shift. * **Upselling and Cross-selling Training:** Train your technicians to identify and politely offer additional services or maintenance plans. A tech replacing a part might notice an aging system and suggest a full replacement quote, or offer an annual maintenance agreement. If just 2 out of 10 techs sell one extra $200 service per week, that's an extra $400/week or $20,800/year in revenue without adding overhead. * **Continuous Training:** Keep your technicians updated on the latest equipment and repair techniques. This makes them faster and more capable, allowing them to complete more complex or more jobs per day. * **Provide the Best Tools:** Ensure your techs have reliable, high-quality tools that don't break down or slow them down. Time wasted due to faulty equipment is lost revenue. By focusing on these areas, you empower your field team to be more productive and generate more sales, which naturally drives down your overhead percentage without making a single cut to your office budget.

Forecasting and Budgeting for Overhead Control

Managing your HVAC overhead percentage of revenue effectively requires looking forward, not just backward. That's where forecasting and budgeting come in. A budget is your plan for how you'll spend money. A forecast is your best guess of what will actually happen. Using both helps you stay in control. **Budgeting:** 1. **List all known overhead costs:** Start with your regular monthly bills: rent, salaries, insurance, internet, software. Don't forget quarterly or annual costs like large insurance premiums or property taxes. Divide these by 12 to get a monthly average. 2. **Estimate variable overhead:** These are costs that might change slightly, like office supplies or marketing spend. Base this on past performance and your plans. 3. **Set a target overhead percentage:** If you're aiming for 30% overhead and expect $100,000 in revenue, your budget for overhead should be no more than $30,000. **Forecasting:** Every month, compare your actual overhead spending to your budget. More importantly, use real-time revenue numbers to forecast where your overhead percentage will land. If revenue is slower than expected, and overhead is on track, your percentage will be higher. This is your cue to: * Adjust spending where possible. * Ramp up sales efforts. For example, if your budget says you'll spend $20,000 on overhead this month, and your revenue forecast is $70,000, your forecast overhead percentage is 28.5%. But if halfway through the month, revenue is lagging, and it looks like you'll only hit $60,000, your overhead percentage for the month will jump to 33.3% ($20,000 / $60,000). Seeing this early gives you time to react. You can choose to cut some flexible overhead spending or push harder on sales to meet your revenue target.

KPIs and Dashboards for Ongoing Overhead Health

To keep your HVAC overhead percentage of revenue in check, you need clear, easy-to-understand numbers that show you how you're doing at a glance. These are called Key Performance Indicators (KPIs). Think of your business like a vehicle; KPIs are your speedometer, fuel gauge, and engine light. A financial dashboard brings all these KPIs together in one place. For overhead, essential KPIs include: * **Overhead Percentage of Revenue:** Your primary gauge. Track this daily, weekly, and monthly. * **Revenue Per Technician:** As discussed, a higher number here helps lower your overhead percentage. Track it to see if your efforts to boost efficiency are working. * **Gross Profit Margin:** This is your revenue minus your direct costs. If this margin is strong, you have more money left over to cover your overhead and still make a profit. If it's too low, even a low overhead percentage won't save you. * **Administrative Staff Cost Percentage:** This shows what portion of your revenue goes to office salaries. If this creeps up, it might be time to review administrative workflows. * **Marketing Spend Percentage:** How much of your revenue goes to marketing. Is it bringing in enough new business to justify the cost? A good dashboard puts these numbers front and center. You should be able to log in and instantly see if any of these KPIs are moving in the wrong direction or are outside your target range. For example, if your marketing spend percentage suddenly spikes without a matching jump in revenue, your dashboard should flag it. This quick visual check lets you ask questions and make corrections before small problems become big headaches. It’s like a scoreboard for your business, showing you if you’re winning or need to adjust your game plan.

Questions people ask

What is considered a high overhead percentage for an HVAC company?

An HVAC overhead percentage of revenue above 35% is generally considered high and can significantly reduce your profit margins. It suggests that too much of your income is going to fixed costs, leaving less for growth and owner's pay.

How can I quickly reduce my HVAC overhead?

To quickly reduce your HVAC overhead, review and cut non-essential software subscriptions, renegotiate supplier contracts, reduce energy use in the office, and optimize marketing spend by cutting ineffective campaigns.

Does my personal salary count as overhead?

Yes, if you are taking a regular salary from the business as an owner or manager (not directly tied to a specific job's costs), it is typically counted as an overhead expense.

Should I include technician wages in my overhead calculation?

No, technician wages are generally considered a direct cost (part of your Cost of Goods Sold) if they are directly tied to performing a specific job for a customer; they are not part of overhead.

How often should I review my overhead costs?

You should review your overall overhead costs at least monthly, and ideally, monitor your overhead percentage of revenue daily through a financial dashboard to catch issues early.

Where this comes from

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