The fall is one of the best times of the year to make major changes to a residential HVAC system. Transitioning between the heat of a Chicago summer into the cold of the winter is a period when you won’t have to rely heavily on either the AC or the heater, so it’s not difficult to arrange for a convenient time to have major repairs done, or to schedule annual maintenance for the heating system.
(It’s not too early to get on the schedule for a fall heating tune-up and inspection. Join our Max Comfort Plan today for superb whole-house maintenance.)
What if the work you need done is to have a new HVAC system installed? In that case, fall is definitely the right time to plan it. One of the options you might consider is a ductless mini split heat pump. This means you receive both ductless heating and ductless air conditioning in Winnetka, IL or wherever you are in Chicagoland. But going with a ductless air conditioning and heating system is a major change, and not right for every home. Let’s take a look at times when going with a ductless system is a good option.
If you have some knowledge of how the modern air conditioner works, you may know it’s a refrigerant-based system, working in a similar fashion to a refrigerator. To providing cooling, both systems use chemical refrigerant to absorb heat from inside and move the heat to the outside air. This is why the condenser unit outside your house blows out heated air when the AC is working.
We aren’t fully out of the woods yet here in Chicago as far as cool weather goes. We can anticipate days in the 50s and night sometimes in the 30s for a few more weeks. But it’s about that time of year when air conditioners will run more often, and soon the 
The two most common types of heating systems found in homes are