Imagine this: it’s the middle of summer, your air conditioner suddenly stops working, and the repair bill is through the roof. Or maybe it’s a freezing winter morning, and your furnace refuses to turn on. These frustrating (and expensive) situations are often preventable, with regular HVAC maintenance.
But here’s the big question most homeowners ask: how much does HVAC maintenance cost per year?
The truth is, it’s not a one-size-fits-all answer. Costs vary depending on your system, the type of service plan you choose, and where you live. In this guide, we’ll break down average yearly costs, what’s included in maintenance, and why investing in upkeep can actually save you money in the long run.
Why HVAC Maintenance Matters?
Your HVAC system is one of the biggest investments in your home. Skipping routine maintenance may seem like a cost-saving choice, but it usually ends up costing more.
According to the U.S. Department of Energy (DOE), neglecting HVAC maintenance can increase energy use by 20–30%, driving up your utility bills. Worse, poorly maintained systems break down more often, leading to expensive emergency calls.
Other benefits of regular HVAC maintenance include:
- Improved air quality – Cleaning coils and replacing filters reduces dust, allergens, and pollutants.
- Extended system lifespan – Maintenance can add years to your HVAC’s life.
- Fewer breakdowns – Catching problems early prevents big repairs later.
- Warranty protection – Many manufacturers require annual maintenance to keep warranties valid.

Average HVAC Maintenance Cost Per Year
So, how much should you budget?
On average, most homeowners spend between $150 and $600 per year on HVAC maintenance. This typically covers one or two scheduled visits where a technician inspects, cleans, and tunes up your system.
Here’s a quick breakdown:
- One-time tune-up: $75 – $200
- Annual maintenance contract: $150 – $600 (covers spring & fall service)
- Emergency repairs (if you skip maintenance): $200 – $1,200+ per visit
As you can see, paying for maintenance plans is much cheaper than waiting for something to break.
What’s Typically Included in HVAC Maintenance?
When you sign up for HVAC maintenance, what exactly are you paying for? A standard service usually includes a comprehensive inspection and tune-up.
Common tasks include:
- Replacing or cleaning air filters
- Checking refrigerant levels and pressure
- Cleaning evaporator and condenser coils
- Inspecting ductwork for leaks or blockages
- Testing thermostat calibration
- Checking blower motor and belts
- Inspecting gas lines (for furnaces)
- Measuring airflow and temperature output
- Safety checks for carbon monoxide or electrical issues
Organizations like ASHRAE and NADCA recommend professional inspections at least once a year to ensure system efficiency and safety.
Signs You Need Maintenance Now
Sometimes, your HVAC system tells you it needs help before your scheduled tune-up. Watch for these warning signs:
- Unusual noises like banging, rattling, or buzzing
- Uneven heating or cooling between rooms
- Rising energy bills despite no change in usage
- Weak or inconsistent airflow
- System short-cycling (turning on and off frequently)
If you notice these issues, it’s time to call a professional before small problems turn into major breakdowns.
Factors That Affect HVAC Maintenance Costs
1. System Type & Size
- Central air systems and furnaces are typically cheaper to service than heat pumps or ductless mini-splits.
- Larger homes with multiple HVAC units will naturally cost more.
2. Age of the System
- Older systems need more frequent inspections and repairs.
- A 15-year-old furnace will require more upkeep than a brand-new one.
3. Frequency of Maintenance
- Most experts recommend twice-yearly servicing (spring for cooling, fall for heating).
- More frequent service = higher costs but fewer emergency breakdowns.
4. Service Plan Contracts
- One-time visits cost less upfront but don’t offer priority service or discounts.
- Annual contracts bundle services, making them more cost-effective.
5. Local Climate & Usage
- If you live in a region with extreme temperatures, your HVAC works harder, meaning more frequent servicing and higher costs.
DIY vs. Professional Maintenance
Some HVAC upkeep is safe for homeowners, but other tasks should always be left to the pros. Here’s a quick comparison:
DIY Maintenance (Safe to Do) | Professional Maintenance (Requires Technician) |
Changing air filters regularly | Coil cleaning (evaporator & condenser) |
Cleaning vents and registers | Refrigerant level checks & refills |
Keeping outdoor unit free of debris | Electrical inspections & wiring repairs |
Adjusting thermostat settings | Safety checks (carbon monoxide, gas leaks) |
Doing your part with DIY care helps reduce costs, but skipping professional maintenance can void warranties and shorten your system’s life.
HVAC Maintenance Cost Breakdown
Here’s a table to make the cost comparison clear:
Service | Average Cost (2025) | Frequency |
One-Time HVAC Tune-Up | $75 – $200 | Once |
Annual Service Plan | $150 – $600 | Yearly (covers 1–2 visits) |
Filter Replacement | $10 – $50 | Every 1–3 months |
Coil Cleaning | $100 – $400 | Every 1–2 years |
Duct Cleaning | $300 – $700 | Every 3–5 years |
Refrigerant Recharge | $200 – $600 | As needed |
While some of these services are included in maintenance contracts, others (like duct cleaning) may be billed separately.
Is an Annual HVAC Maintenance Plan Worth It?
Short answer: yes.
A one-time tune-up may seem cheaper, but an annual maintenance plan typically saves money long term. Here’s why:
- Includes spring & fall visits to prep for heating and cooling seasons.
- Often provides priority service during emergencies.
- Discounts on parts and repairs are usually included.
According to ASHRAE studies, preventive maintenance can extend HVAC lifespan by 20–40%, saving thousands of dollars over time.
The Hidden Costs of Skipping HVAC Maintenance
Think skipping maintenance will save money? Think again. Here’s what happens if you don’t service your HVAC system:
- Higher energy bills – Dirty coils and filters reduce efficiency.
- Frequent breakdowns – Minor issues snowball into expensive repairs.
- Shorter system lifespan – Instead of 15–20 years, you may only get 8–12 years.
- Warranty void – Many manufacturers require proof of regular service.
- Poor indoor air quality – Mold, dust, and allergens build up.
How Homeowners Can Reduce HVAC Costs
While professional maintenance is essential, you can lower costs with a few simple DIY steps:
- Change air filters regularly (every 1–3 months).
- Keep vents open and unblocked.
- Seal ductwork leaks to prevent energy loss.
- Use a programmable or smart thermostat.
- Keep outdoor units clear of debris, leaves, and snow.
Womack Heating and Cooling: Affordable HVAC Maintenance You Can Trust
At Womack Heating and Cooling, we know your HVAC system is the heart of your home’s comfort. That’s why we offer affordable maintenance plans designed to keep your system running efficiently year-round.
Our certified technicians provide thorough inspections, expert tune-ups, and honest recommendations, so you avoid surprise breakdowns and high repair costs. With our annual maintenance services, you’ll enjoy lower energy bills, better air quality, and peace of mind knowing your system is in top shape.
Don’t wait for a breakdown. Call (618) 234-2567 to schedule your HVAC maintenance. Your comfort is our priority!