A tune-up is an inspection, cleaning and safety check for heating and cooling equipment. Here is what a thorough visit typically covers and how to tell a real one from a quick glance.
A tune-up is preventive maintenance. The aim is to find and address wear, dirt and small faults before they become a breakdown, to keep the equipment running as designed and, for fuel-burning equipment, to check safety. It is not a repair visit, though a tune-up may uncover a repair that is needed.
There is no single national definition of a tune-up, so scope varies from company to company. That is why it pays to ask what a visit includes before you book.
A useful way to judge a visit is to ask for a sample checklist ahead of time. If a company can show you what is covered for your type of equipment, you can compare it with the lists in this guide and decide whether the scope matches what you expect.
For an air conditioner, a thorough visit usually includes the items below. The exact list depends on the equipment.
Ask whether the visit includes cleaning or only inspection. A coil that is inspected but not cleaned will still be dirty afterward, and the best time to clean it is when the technician is already on site with the covers off.
Heating visits put more emphasis on combustion and safety.
A heat pump visit combines the cooling and heating checks, and adds a few items of its own. The technician should confirm that the reversing valve switches modes correctly, check the defrost operation in cold conditions, inspect the outdoor coil for dirt and ice, and examine any backup heat elements. Because a heat pump runs year-round, many owners choose to have it looked at once or twice a year. For background on the equipment, see the heat pump installation page.
Ask for a copy of the report, even if it is brief. Keeping these reports in one place builds a service history that helps with warranty questions, future repairs and the eventual sale of the house.
A good visit ends with a clear report. You should know what was inspected, what was cleaned, what readings were taken and whether anything was found that needs attention. If there are recommendations, they should come with an explanation of what the issue is, why it matters and how urgent it is, so you can decide without pressure.
Be cautious of a visit that is brief, undocumented or ends in a long list of surprise problems with no explanation. Asking for the findings in writing is reasonable.
Documentation is not paperwork for its own sake. Readings from one year to the next let a technician see trends, such as a gradual rise in motor strain or a slow loss of cooling performance, that a single visit cannot reveal on its own.
It does not guarantee against a breakdown, and it does not extend the life of failing equipment indefinitely. It does not replace the homeowner's own upkeep, which includes changing filters, as covered in how often to change your furnace filter, and keeping vents and the outdoor unit clear.
A tune-up also cannot fix problems of design, such as poor ductwork or an incorrectly sized system. Those need separate evaluation. For how long equipment typically serves and what shortens its life, read how long an HVAC system lasts.
The usual pattern is cooling equipment in spring or early summer and heating equipment in early fall, so each system is checked before its busy season. Doing it before the rush also makes scheduling easier. A newly purchased home benefits from a baseline check since you may not know the service history.
Mr. Air offers visits and recurring options through its maintenance plans and tune-ups service. We are a new brand and have not published plan prices or terms, so use the request form to ask what is available. If your system is already acting up, a repair visit through AC repair or furnace repair may be the better starting point, and our guide on warm air from the vents covers a common symptom.
If you are comparing offers, ask whether the price covers the whole system or a single unit, whether filters and minor parts are included, and what happens if a problem is found during the visit. Clear answers up front help avoid disagreements later.
Commonly once a year for each system, timed before its busy season. Heat pumps run in both seasons and can be checked on either schedule.
A tune-up is preventive inspection and cleaning. A repair addresses a specific failure. A tune-up may find something that needs repair.
It helps catch wear early and checks safety on fuel-burning equipment, but it does not guarantee against failure. Ask what the visit includes before booking.
Leave coil cleaning, electrical checks and gas or combustion work to professionals. Homeowners can handle filters and clearing debris around the outdoor unit.
Tell us what your system is doing and we will follow up with next steps.