Will a new HVAC save me money?
Michael Gray
Updated on May 25, 2026
Even if your air conditioner is only 10 years old, you may save 20-40 percent of your cooling energy costs by replacing it with a newer, more efficient model.
Does new HVAC save money?
Installing a new air conditioning system is a big investment but changing your AC unit can lower your energy consumption significantly and save you money on your electricity bill. DoE data suggests that replacing an old air conditioner with a modern, energy-efficient unit can save you up to 40% on cooling costs.Should I replace my 20 year old HVAC?
The average lifespan of an HVAC system is 15 to 20 years, but as these systems age, they tend to get less efficient. If your HVAC is over 10 years old, consider replacing it with a more energy-efficient unit, such as one that has earned the ENERGY STAR label.Is replacing HVAC a good investment?
We're not going to sit here and say you'll get all your money back from an HVAC replacement by selling your house for more money. We will say a good rule of thumb is you can see a 35% to 50% return on investment. More importantly, new heating and/or cooling systems can help get buyers interested.Does a new HVAC system add value?
Installing a new HVAC system could increase your home's value by as much as $2,500-$3,000 or approximately 5-10% of the total value of your home.Replacing AC and Furnace to Save Money On Utility Bills
How much should a new HVAC system cost?
According to HomeAdvisor, full HVAC unit replacement costs range from $5,000 to $10,000, with the national average at $7,000. This comes out to about $25 to $60 per square foot. Prices depend on the size and brand of the HVAC system, the size of the house, ductwork length, and the new unit's efficiency rating.How many years does HVAC last?
#1: Your energy bills are going up.Remember, while the average HVAC system lifespan is 10–25 years, your HVAC system may last less time than that if it has been overworked by insufficient insulation and unwanted airflow (due to unsealed air leaks).
Does HVAC affect home value?
The impact of HVAC on home value is bigger than you would expect, and updating your system can do a lot of good for your home. In many cases, a new central air system will boost home value by 10%. If you are trying to sell your house, promoting a new central air system can entice buyers and is a valuable selling point.When should you replace HVAC system?
The Department of Energy recommends homeowners replace their HVAC system every 10 to 15 years. Modern air conditioners are durable, but their major components will begin to deteriorate after around ten years depending on how often you use and maintain them.Should I replace my HVAC system before selling?
As long as your HVAC system is functioning properly, and your agent doesn't see a need to replace it, you can probably just have it serviced before listing your home. And don't forget to tidy the area in your utility closet – a grimy furnace or dust on the floor may make your HVAC system look neglected.Should I replace my 30 year old air conditioner?
Check the age of your HVAC: If it's older than 20 years, it's likely time to replace. Check the safety of your HVAC: If it's leaking poisonous carbon monoxide, it's time to replace. Consider the repair costs: Are you paying more than 50 percent of the cost of a replacement during a repair?Can an AC unit last 30 years?
Air conditioners can last 10-15 years depending on various factors, while HVAC systems can even go up to 30 years before needing to be replaced.What SEER rating should I buy?
For most homeowners, opting for a unit with a SEER between 15 and 18 is a good choice because it's a balance between the money you'll spend for the unit and the amount you'll save on utility costs.What is the most efficient type of HVAC system?
Geothermal systems are by far the most energy efficient HVAC systems. They use the consistent temperature of the earth's surface to heat and cool your home, rather than propane or fuel oil. In particular, an open loop geothermal system is one of the most efficient heating and cooling systems.How can I save money on a new AC unit?
Tips for Saving Money on a New HVAC System
- Look for Local Incentives.
- Check for Company Rebates.
- Look for Off-Season Discounts.
- Be Sure to Compare Quotes.
- Vet Contractors for the Best Deals.