When anyone thinks of a residential HVAC service, they usually think of an AC tech coming to someone's home because something went wrong.
Usually, the issue being addressed came at a time when the weather outside is really hot & the air conditioning didn't, well, do anything. Quality craftsmanship with outstanding service can help you in this kind of situation.
The problem is that there is more to residential HVAC service than just emergency intervention. Unfortunately, people aren't very good about staying on top of HVAC maintenance.
They figure that if they need heat, they'll switch things over to their heating. When it's time for a cooler environment, the air conditioning gets called upon to save the day. Year after year, there are only two seasons of consequence for their HVAC system, with nary a consideration that maybe there should be more done to keep things running smoothly.
HVAC service companies have worked hard to get basic upkeep information out to the communities they serve so that folks can keep their homes comfortable & systems in good working order.
If you own a home, you've got a big responsibility to make sure everything is in solid working condition, including your HVAC system. HVAC Service recommends having a twice-yearly check-up in preparation for the hot & cold weather months.