If you must hire someone to help you out with your HVAC system, be sure to learn about all of the requirements your state has legislated regarding licencing and insurance. You need to be able to ask anyone you plan to hire if they meet these requirements before you hire them.
Know the name and type of your HVAC system before looking for a repair person. Write down what brand your system is along with the model number and, if they're available, maintenance records. This will facilitate the process when your contractor asks for this information.
When your contractor comes to fix your unit or install a new one, he should walk around your home and investigate what's going on with your current set-up. They should be looking for how much insulation you have, where your windows are and what quality they are and more.
Let your friends and family know about the discounts that are possible via ENERGY STAR. There's a lot of savings that can be had here, so why hold this good news all to yourself! You can save those closest to you hundreds of dollars over the course of a year.
Purchasing an HVAC is typically confusing, but you are now armed with the information you need. Use it when discussing your choices with a professional to make the buying process easier and the end result one you are happy with. This will help to make your home a comfortable one all year round.