Through the years, the HVAC industry has developed many options to choose from. One can virtually have the heating and cooling system that best suits the indoor air quality, budget, and the lifestyle of the HVAC user. For instance, for those families living in the northern part of the country, heating is much more important than air conditioning. Subsequently, those HVAC units could include a large furnace, ensuring a well-heated winter, no matter the temperature drop. Whereas that family that lives in the deep south would be hard pressed not to have a well-working air conditioner. However, both of those families would benefit from HVAC preventive maintenance. The heating and cooling professionals in various regions would just perform different types of HVAC maintenance. Neither family would want to do without their heating or cooling, certainly not in the worst of the seasons. Either way, with the HVAC preventive maintenance performed by a licensed heating and cooling professional, the equipment would run at its’ best. That will insure a comfortable temperature control and the preferred indoor air quality. However, if the HVAC system needs to be replaced, there are a couple of heating options for those northerners. With such cold temperatures, consider which type of furnace that is needed. Such as using gas or should it be an oil furnace? With the costs associated with heat rising yearly, the type of HVAC you choose will clearly affect your budget. It would be best to speak with an HVAC professional to determine which heating type is best for the homeowner and the area.