How Much Does an HVAC Inspection Cost? [2024 Data]

Normal range: $70 - $500

The cost of an HVAC inspection is $300 on average, but can cost between $70 and $500 or more depending on the size of your home, type of HVAC system, and location of your HVAC unit in your home.

How we get this data
New air conditioner units on a concrete slab
Photo: DonNichols / E+ / Getty Images
Gillian Beckett
Written by Gillian Beckett
Contributing Writer
Updated February 27, 2024
New air conditioner units on a concrete slab
Photo: DonNichols / E+ / Getty Images

The average HVAC inspection cost is $300, though homeowners can expect to pay anywhere between $70 and $500 per inspection.

A HVAC inspection can take up to one hour, which is time well spent to ensure the system is running smoothly, prevent major and costly repairs, and extend its lifespan.

See the cost of an HVAC inspection:
How we get this data
Normal range for U.S.
$70 - $500
  • Average
  • $300
  • Low end
  • $70
  • high end
  • $700
LOWHIGH

HVAC Inspection Cost Factors

When determining the cost of your home HVAC inspection, several factors come into play. Here are the most common things that will impact the cost of your HVAC inspection.

Home and HVAC System Size

Larger homes are often equipped with multi-zone HVAC systems or multiple units to heat and cool rooms effectively and efficiently. The more systems and units in place, the more there is for the inspector to examine, which will increase the cost. To cut down on price, consider hiring an HVAC contractor who offers a flat rate rather than an hourly fee, as large-scale inspections will take a long time to complete.

Type of HVAC System

More complex HVAC systems with more components result in higher inspection costs than basic units with fewer elements. Furnaces, boilers, and air conditioners with multiple running parts to inspect will incur a higher cost compared to air ducts, vents, and attic fans.

9 HVAC system types, including forced air furnace, floor-mounted air conditioner, and ductless mini-split
Photo: EricFerguson / iStock / Getty Images Plus / Getty Images

Location of HVAC Unit

If your HVAC unit is located in a tight, hard-to-access space, such as a crawlspace or attic, this will also contribute to your HVAC inspection cost. HVAC systems that are difficult to reach and work around are often more time-consuming than units sitting in an open room or large basement. They may also need specialized equipment to conduct a thorough inspection. 

Season

The time of year can also affect how much a home HVAC inspection will cost. Much of this comes down to a contractor’s availability. For instance, cold winters often result in many emergency call-outs for broken furnaces, while hot summers lead to an influx of faulty air-conditioner repairs. If you book an HVAC inspection during a contractor’s busy period, you may have to shell out a little extra. 

Try to reserve an HVAC inspection during the slower spring and fall seasons to take advantage of lower rates. This can also decrease your risk of HVAC problems when you need them the most in winter and summer.

Labor

One price fits all does not apply when it comes to HVAC contractors. Depending on the level of inspection you need—whether it’s a complete HVAC inspection before purchasing a home, a seasonal inspection, or a separate inspection of your furnace, boiler, ductwork, or air-conditioner—you’ll find HVAC contractors charge different rates that vary by job. 

Some contractors charge flat rates for routine inspections, while others charge by the hour. Most HVAC technicians charge from $75 to $150 per hour. 

Geography 

Where your house is located also plays a role in HVAC inspection costs. If you live in a region prone to extreme heat or cold temperatures and find you need to run your HVAC units 24/7, you may need more than one annual HVAC inspection to make sure your system is optimal. Homes that run their HVAC systems less frequently will likely need one complete HVAC inspection each year.

Travel

If you live in a rural area far from a city or town, an HVAC contractor might charge for expenses such as gas mileage and travel time. However, not all contractors charge travel fees. Instead, they may only charge clients who live outside their service area. Generally, HVAC inspectors charge travel costs of $25 to $50, depending on how far they need to travel. To save on costs, consider looking for an HVAC company located near you.

Cost by HVAC Inspection Type

Technician inspecting furnace in the basement
Photo: Don Hammond / Design Pics / Getty Images

A typical HVAC inspection includes a comprehensive check of components like thermostats, coolant levels, electrical systems, evaporator coils, pressure checks, and an examination of the system's overall safety and efficiency. 

A full HVAC inspection costs $300 on average but can range from $150 to $500. Depending on the size of the HVAC system, it usually takes at least an hour for a contractor to conduct an inspection, after which time they’ll recommend repairs if needed. 

However, if you suspect a problem with one HVAC component, a less expensive inspection of an individual system may be all you need. Here are a few examples of the most common individual HVAC systems and their inspection costs:

System TypeAverage Cost
Furnace$80 – $100
Air Conditioner$75 – $150
Boiler$100 – $300
Air Ducts$80 – $180

Furnace

Since your furnace is responsible for keeping your home warm, it’s important to make sure it’s working properly and safely. Most HVAC contractors will follow a furnace inspection checklist including a look at your furnace’s filters, fans, and burners to see if any repairs are needed. Keep in mind that gas furnaces have more parts to check than electric furnaces and will require additional time and service.

Air Conditioner

Regular inspections of your air conditioner are recommended to ensure your home stays cool and comfortable throughout the hot summer months. One of the leading issues of air conditioners not working properly is low refrigerant, which a contractor checks during an inspection. A typical air conditioner inspection does not include cleaning or repairs.

Boiler

During a boiler inspection, the contractor checks its fuel levels and ventilation and examines it for any possible leaks. Most boilers are made from steel that, although strong, can crack with time, so if you have an old boiler, a thorough inspection is vital. There are many types of boilers such as gas-, coal-, and oil-fueled boilers that require different levels of service. 

Air Ducts

Duct inspections ensure you and your family can breathe easy as clean and properly functioning air ducts keep indoor air free of excess dust and particles. Air duct inspections include a check of your ducts to determine if any cleaning is required. 

Another type of air duct inspection is an air duct leakage test, which usually requires extra equipment, such as air pressure monitors and a calibrated fan to measure air flow rate, and time. According to most experts, leaky air ducts can reduce an HVAC system’s efficiency by up to 40%, so if you notice your HVAC performance is less than ideal, this kind of inspection is worth considering. Duct leakage tests are generally more costly, ranging from $250 to $400.

How to Save Money on an HVAC Inspection

Think of an HVAC inspection as an ounce of prevention to reduce the risk of costly HVAC repairs and replacements in the long run. While most HVAC companies set their standard inspection rates, there are some money-saving measures to help find prices that fit your budget.

  • Shop around and ask for quotes before you book an appointment.

  • Schedule off-season inspections when HVAC company demands are at their lowest.

  • Practice regular DIY maintenance to reduce the risk of expensive HVAC repairs. 

  • Focus on your most-used units by having them inspected individually as needed.

DIY Inspection vs. Hiring a Pro

When it comes to HVAC inspections, it’s best to leave it to the professionals. Certified HVAC contractors have the technical know-how and equipment needed to properly inspect the most complex HVAC systems. It’s also important to note that by going the DIY route, you stand a chance of voiding your HVAC system’s warranty, which could lead to high HVAC replacement costs if needed. 

However, it doesn’t hurt to keep an eye on your HVAC system and look for these common warning signs that may let you know that professional attention is needed:

  • Poor air quality

  • Strange odors and unusual sounds

  • Inaccurate thermostat readings

  • Uneven airflow

  • High or increased energy bills

There are many things you can do yourself to maximize the upkeep of your HVAC system which include:

  • Changing your furnace and air-conditioning filters

  • Cleaning dust from your floor and ceiling vents

  • Keeping furnace and air-conditioner areas free of dirt and debris

Frequently Asked Questions

Experts suggest your HVAC system should be inspected once per year. If you’re buying a new home, it’s also a good idea to have the house’s HVAC system professionally checked before the final sale. For HVAC systems older than 10 years, it’s recommended they are inspected twice per year. If you suspect a problem, you should schedule an inspection, even if you’ve already had one this year.

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Learn more about our contributor
Gillian Beckett
Written by Gillian Beckett
Contributing Writer
Gillian is a freelance writer and copy editor with more than 20 years of professional writing experience covering subjects including real estate, property development, and investing. An avid gardener living in Saskatchewan, Canada, Gillian is constantly researching the latest horticulture and landscaping trends to tackle her next DIY backyard project.
Gillian is a freelance writer and copy editor with more than 20 years of professional writing experience covering subjects including real estate, property development, and investing. An avid gardener living in Saskatchewan, Canada, Gillian is constantly researching the latest horticulture and landscaping trends to tackle her next DIY backyard project.
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