DIY vs Professional HVAC Tune-Up: Pros and Cons

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Being a homeowner comes with its fair share of expenses, and often, you’ll get the urge to handle some problems on your own rather than calling a technician. This cuts across all maintenance jobs around the house, including a task like an HVAC tune-up. And while it is fairly easy with some tasks, others need trained professionals, but how do you know which ones are DIY-safe? We’ll highlight a few in this article. For those located in the Chicago area, an established Astera HVAC repair company can serve as a helpful resource for identifying when a task has moved beyond the scope of a typical home toolkit.

What a DIY HVAC Tune-Up Typically Includes

There isn’t a very long list of DIY HVAC tune-ups that homeowners undertake. Most revolve around:

Swapping out the air filter
Seeing if the outdoor unit has debris and removing it
Checking if the vents are blocked
Wiping down accessible surfaces.

However, some people also test the thermostat, look for obvious signs of wear on visible components, and clean the condensate drain line with a vinegar flush. It’s easy to do these tasks and it takes less than two hours to finish them. You also save a lot of money doing them yourself.

Pros of DIY HVAC Maintenance

Why do people opt for DIY HVAC tune-ups?

To keep it cost-efficient. The supplies cost very little, for instance, a new filter goes for as low as $10
It’s convenient since you get to do it on your own schedule and without the hassle of making appointments
You’re able to keep up with maintenance requirements, especially those that happen frequently, like filter changes and vent checks
Regular DIY checks help you notice changes in your system before they turn into bigger problems

You should consider setting up a schedule for changing your air filters. The Department of Energy says it’s one of the surest ways to ensure you experience no issues with your HVAC.

Cons of DIY HVAC Maintenance

However, you cannot depend solely on DIY HVAC maintenance. There are many tasks that an untrained person lacks the competence (and tools) to observe or handle, including dealing with:

Refrigerant levels
Electrical connections
Motor amperage
Heat exchanger integrity
Coil conditions

Assuming that your routine check covers all your bases can allow problems to develop quietly over months, with the overlooked components. For instance, a dirty evaporator coil reduces efficiency steadily without giving obvious signs until the system struggles to cool on a hot day.

Not to mention that working near electrical components or refrigerant lines without training puts you at risk.

What a Professional HVAC Tune-Up Covers

Source: Pexels

Professional tune-ups cover a wider range of maintenance and repair tasks and, usually, many of them require specialized tools to execute. A trained professional will cover the simple routine checks, but also:

Check refrigerant charge
Clean the evaporator and condenser coils
Measure the electrical draw on motors
Tests capacitors and contactors
Verify thermostat calibration
Checks if there are leaks in the ductwork
Inspect the heat exchanger for cracks

A professional looks at the operating specs and compares them to what the manufacturer recommends, to give you a clear picture of how your system is operating.

Pros of Professional HVAC Tune-Ups

Calling professional services reduces the chances of unforeseen breakdowns or irreparable damage since technicians can spot and fix the problems before they get critical. This is cheaper compared to what you have to pay for emergency HVAC services.

ENERGY STAR recommends annual contractor check-ups to keep systems running safely and avoid early equipment failure. The documentation provided also helps you with manufacturers, should you need to claim something under warranty.

Cons of Professional Service

The thorough checkup comes at a premium, which can be costly. The cost depends on a few factors, including location, services required, and the size of the system, but varies between $75 and $2000.

Then there’s the fact that the technician might not be available when you need them. In the summer and winter months, when people need heating and cooling the most, there is a rise in demand for HVAC tune-ups, which means you might wait a while before your problem is fixed.

When DIY Is Enough and When It’s Not

DIY is sufficient for routine tasks that don’t require a high level of skill, like cleaning the unit and ensuring it’s not obstructed. This encompasses changing the filters, clearing leaves and debris from the outdoor unit, and checking that vents are open and unblocked.

However, if you’ve gone a year without service, or notice unusual sounds, start getting higher energy bills, or experience uneven cooling, then it’s time to call the professionals. Proactively, also call them when you are heading into peak summer or winter to beat the demand. Annual professional service on top of regular DIY upkeep gives your system the best chance of running reliably for its full lifespan.

In Conclusion

For your HVAC to run efficiently, you need both DIY and professional care. You can handle the simple routine tasks like doing filter changes, checking vents, and cleaning the outdoor parts. But ensure to call in the professionals at least once a year to cover the work that requires tools and training.

The result is that you keep your costs low and reduce the risk of complete failure. If you live in the Chicago area and are looking for reliable technicians, Astera provides thorough HVAC tune-up inspections from certified technicians who know the equipment.

Do you handle your own HVAC upkeep or leave it to a professional? Share what works for you in the comments below.