The $5,000 Rule

December 1, 2022

The $5,000 Rule…. Find out when it’s right to replace your old HVAC system and when a repair is in order.


If a failing Furnace or AC system no longer keeps your home comfortable, it may be time to consider a replacement. Furnaces & air conditioners nearing 10 or 20 years old could possibly need an upgrade. Newer models run more efficiently than older systems, which can also reduce your monthly energy bills.


Keep in mind that upgrading your HVAC system, is an investment that would pay off over time. Here’s how much you could save in one year when you buy a new air conditioner or furnace:


Product type w/ Average yearly energy cost savings

Air conditioner $140*

Furnace               $372*

*Savings can vary depending upon location, size of home, etc…


AC & Furnace replacement costs have a wide range of costs depending on what system you choose for your comfort needs. There are many different system options, so it is best to discuss your budget and expectations with a comfort specialist before shelling out money that may not be necessary.


The older your system is, especially if it's more than 10 years old, the sooner you should consider replacing the equipment. An older system may frequently break down, and over time, the manufacturer might discontinue certain mechanical parts. Not being able to replace broken parts would be a key sign it’s time to replace your air conditioner. Here are a few other indicators to look for:


Increased energy bills:

Heating & Cooling systems can lose efficiency over time and older units may use more electricity than they did when they were new. You may notice an increase in your energy bills as your units become less efficient.


High repair costs:

As your system ages, the unit may need repairs more often. If you feel that you’re putting too much time and money into frequent repairs, you may want to consider investing in a new unit.


The $5,000 Rule:

This simple Rule of Thumb can offer some guidance on what direction to head. Though not the “be all end all” it is a good starting point.

Multiply the age of your equipment by the estimated repair cost. If the number is more than $5,000, then you should consider replacing your unit. If it’s less, a repair may be the answer.


For example:

A system that is 10 years old and has a repair cost of $300 = $3,000. It’s probably best to repair it.

A system that is 10 years old and has a repair cost of $600 = $6,000. You should likely consider a replacement.


If you’re trying to decide to repair or replace, we can help. Serving Wooster, OH, and surrounding communities since 1993, we are a locally owned and operated HVAC contractor working with a variety of heating and cooling systems. Call (330) 263-0013 to schedule an inspection and visit our website to learn more about our qualifications. 

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