Replace Heat and AC Together to Save Money

By Thornton Plumbing and Heating

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Blog Highlights

  • It’s recommended that you not replace one system at a time
  • When a system matches, it operates at its most efficient level
  • In order to optimize your HVAC system’s energy use and save money, it is best to replace the whole system

In Salt Lake City and Park City, it is important to have a properly functioning heating and air conditioning system. You want to be warm and comfortable in the winter and cool and calm in the summer. When part of your system breaks, it’s tempting to only replace the part of the system that’s broken, either the heating or cooling components, but in the long run you can save money and energy by replacing the whole HVAC system at the same time.

Take a look at some of the advantages:

Energy Efficiency

The HVAC models produced today are far more efficient than anything on the market 10 or 15 years ago. Today’s air conditioning systems have a SEER number of at least 13, which is the minimum rating required by the government. Higher SEER numbers mean less energy is used, resulting in lower costs.

The efficiency of heating systems and furnaces is measured by the annual fuel utilization efficiency (AFUE) rating. Typically, you want to look for a rating of 90 percent AFUE or higher. Replacing both systems now, keeps your home updated and running efficiently, and modern systems last between 12 and 20 years.

Matching HVAC Systems

As you may know, your furnace system and air conditioning system use the same air blower or handler. To ensure the most efficient use of your system, it is important for the furnace and air conditioning system to both match the air handler. It is better to replace both systems at the same time so that they are matched correctly, resulting in the most efficient use of energy.

When a system matches, it operates at its most efficient level. Not only does this save energy, it also can save you a lot of money. The installation process will be simpler and less complicated, saving you time and money. You’ll only have to pay for one installation when they install a whole new system instead of, for example, paying for a furnace installation now and for a cooling system installation in two years. Though new systems won’t need a lot of repairs, when repairs are needed, both systems will be under the same, current warranty.

It’s also important to note that matching a new system with an old system can decrease the life expectancy of the new system. Additionally, if your system breaks, some warranties don’t cover damages to a new system that’s working together with an old system.


Mixing out-dated and new technology often lowers the overall performance of the system. In order to optimize your HVAC system’s energy use and save money, it is best to replace the whole system when either the heating or cooling component fails.

We highly recommend replacing your heating and cooling system together. It ensures efficiency and results in cost savings in the long run. An HVAC system that matches, is the best way to maintain a comfortable, temperature-regulated home.

Do you have questions regarding your HVAC system? Are you ready to replace or install a new HVAC system? Call us today!

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