While it would be wonderful if AC units and furnaces could last forever, everything, even your home appliances, have a lifespan. For an HVAC system, a good one will last you 10-20 years. If the time has come, you may be wondering what to consider when replacing HVAC systems. To guide you through the process, here are seven things to keep in mind.

1. Can your HVAC be repaired?

The first thing to address: does your AC or furnace need to be replaced or simply repaired? Aside from the age of the HVAC unit, there are a couple of other factors to consider. If you’ve had a lot of repairs over the years, then it’s time to move on to a replacement—especially if you’ve also seen your energy bills rise. Every year, HVAC units become more energy efficient. Replacing could save you a lot of money in the long run. 

If the refrigerant is leaking, it’s another sign you may need to replace instead of repair. Replacing refrigerant is expensive, plus a leak will likely damage the compressor creating more headaches in the future.

Finally, take the cost of a repair into consideration. If it costs more than $3,000 to fix, it’s a better long-term investment to replace. If your HVAC unit has some years on it, you can multiply the repair cost by the age of the unit. If it exceeds 3000, then consider replacing as well.

2. What type of AC do you need?

Regarding AC units, there are 6 different types that are worth your consideration. It’s important you pick one that suits your needs best.

• Window Air Conditioners – Great if you are on a budget and only need to cool one room. They are also usually easy to install on your own. 
• Air Source Heat Pumps – Known to be incredibly energy efficient, these work best in mild climates. This is not the best option if you experience freezing temperatures where you live.
• Central Air Conditioners – Ideal for cooling a whole house, especially if you already have ducts in place.
• Ductless Air Conditioners – For when you don’t have ducts in your home but need an AC with more power. It does not require a window to function, and you can leave it in place during the winter.
• Portable Air Conditioners – These are another low-cost option and can easily be moved from room to room. However, they require a window to be open, which can lead to reduced efficiency.
• Floor Mounted Air Conditioners – If you’re short on wall space, a floor-mounted AC is a fantastic choice. They also have built-in ionizers and are great humidifiers. 

3. How much does a new AC unit cost?

The cost will vary depending on the type of AC unit you choose. Here is a quick breakdown, but always check with a trusted HVAC specialist before buying.

• Window Air Conditioners – $120 – $600
• Air Source Heat Pumps – $4,000 – $8,000 with ducts, $8,000 – $16,000 without ducts
• Central Air Conditioners – $3,500 – $5,000 with ducts, $7,000 – $10,000 without ducts
• Ductless Air Conditioners – $2,000 – $5,000
• Portable Air Conditioner – $100 – $500
• Floor Mounted Air Conditioners – around $4,000 with ducts, up to $15,00 without ducts

4. What size furnace do you need?

The size of your furnace depends on two factors: the climate and the square feet of your house. Both help you calculate the necessary BTU output, which dictates what type of furnace you need. The bigger the output, the bigger the furnace.

Start by determining your climate using a map like you see here. Your climate will determine BTU’s per square foot. Then go room by room in your home to determine how many square feet you need to heat. Multiply the climate BTUs by square feet in your home, and you’ll know what size furnace you need to invest in.

5. Gas or electric?

Gas and electric are the two choices you have for a furnace. Both have their pros and cons. Gas is known to work more efficiently and, as a result, be more eco-friendly. Because it works so efficiently, it also yields a lower bill each month. However, gas furnaces often have larger upfront costs for the unit.

Electric, on the other hand, is a safer option than gas. Electric furnaces don’t use a flame, so you don’t have to worry about a pilot light or unexpected gas leaks in the house. Electric furnace units are also more affordable to purchase than gas. Ultimately, pick whatever is going to work best for your home with the help of your local HVAC expert.

6. Do you need a Condensate Neutralizer?

While gas furnaces are high efficiency and reduce carbon output, they do have a downside. They create a byproduct of acid water that can damage your water pipes and hurt your local swerve system.

To combat this, some cities require all high–efficiency furnaces come with a Condensate Neutralizer. It filters the water byproduct making sure the tainted water does not go down the drain. Even if your city does not require it, using a Condensate Neutralizer is highly recommended to protect your at-home pipes and septic system. 

7. How much does a new furnace cost?

Once you decide which type of furnace you want, it’s time to look at costs. As stated before, gas furnaces cost you more money upfront but will give you a lower energy bill in the long run. The cost of a new unit plus installation is between $2,500 and $10,000. In comparison, electric furnaces cost between $1,000 and $2,500.

The Final Decision

Now you know what to consider when replacing your HVAC. Still, this isn’t a process you need to go through alone. Talking to an HVAC specialist is a great help as you decide which new AC or furnace is right for you. Give us a call any time of year, and we’ll help guide you toward the best AC and furnace option for your home.