Always make sure you are up-to-date about your HVAC unit. Know the model and brand and find it's maintenance history, if possible. That way you can provide the contractor with all the necessary information.
Be sure to get every quote or estimate in written form. You have no recourse on a verbal agreement, so a written contract is a must. This will allow you to follow up if something goes wrong or you don't get what you were promised, protecting you from shady contractors.
When a contractor gives you a list of references, be sure to make use of it. Call the people on the list and ask about the quality of the work, how closely they came to their quote and whether or not the work was completed according to the promised timeline.
Place your HVAC unit in the shade to boost efficiency. Your air conditioner won't have to work so hard if the air is sucks in is already cool.
http://www.youtube.com/watch?v=eoRlp9WOvOk
When your HVAC system is older than 15 years, the time has come to get yearly check-ups. These systems aren't expected to make it past two decades, so you have to monitor them for any issues which may crop up. In fact, new systems will be more efficient, so it might be time for an upgrade.
When buying an HVAC system from a contractor, don't just purchase from the first person you find. Do a little investigating first. Make sure the person has been in business for a while. Although there are no guarantees, someone who has been around for 10+ years probably had to do something right to stay in the business.
In the winter, keep your condenser unit properly covered. This can help it last longer when it is not in use. Additionally, it's important to remember not to utilize the compressor if your outside temperatures drop below 69 degrees. Only use the fan during those times.
Upon completing this article, you should have learned a great deal about what to look for in an HVAC system. Keeping the inside of your home at a pleasant temperature, no matter what it is like outside, should be your goal. Use what you have read here to choose a great new system.
