24-Hour Emergency Service

Fully Licensed, Bonded & Insured | AL Cert # 89282

4 Questions To Ask When Replacing Your HVAC Unit

Published: July 25, 2021

So, you need to replace your HVAC unit? Don’t fret! While replacing your HVAC unit can seem like a daunting task, there are many ways to prepare and mitigate your stress. Whether this is your first time or you’re a seasoned homeowner, here are 5 helpful questions to ask when you are going to replace your HVAC unit.

How Much Will It Cost to Replace My HVAC Unit?

When preparing to replace your HVAC unit, it is important to get cost estimates from 2-3 different contractors so that you know what to expect. The cost of an HVAC replacement will vary depending on home size, climate, and type of system. With this in mind, Home Advisor estimates the average cost for an HVAC replacement ranges from $5,000 to $10,000. For a more detailed estimate, we recommend using a cost estimate tool.

Guy Fixing Air Conditioning

Can I Replace the Unit Or Should I Hire A Professional?

It is always advised to hire a licensed professional for all of your HVAC repair and replacement needs. Working on an HVAC unit can be a dangerous and tedious process. Hiring a professional will ensure that the replacement is completed properly and that any unforeseen problems are handled quickly and efficiently. Service Tech, Inc. provides licensed heating and cooling technicians that will quickly diagnose and handle any HVAC replacement needs.

Confused Guy On The Phone

What Size HVAC System Do I Need?

The size of your HVAC system can have a significant impact on the replacement price and your utility bills. When looking to replace your unit, it is helpful to know the square footage of your property to understand tonnage conversion. For a general estimate, Modernize Home Services has provided this chart:

  • 1.5 tons – 600 to 1100 square feet
  • 2 tons – 901 to 1400 square feet
  • 2.5 tons – 1201 to 1650 square feet
  • 3 tons – 1501 to 2100 square feet
  • 3.5 tons – 1801-2300 square feet
  • 4 tons – 2101 to 2700 square feet
  • 5 tons – 2401 to 3300 square feet


Photo of HVAC Unit

How Should I Prepare For the Replacement?

Think pets, possessions, and present people. When a certified professional arrives at your property to replace your unit, it is best to make the experience as painless and accessible as possible. If you have not discussed or arranged for a technician to enter your home or to work outside, be sure to have someone present to ensure the technician has entrance to all necessary access points. Before the replacement begins, remove any valuable items from the area and find a safe and distanced location for your pets, if applicable.


Guy Changing Thermostat

Replacing an HVAC unit can be overwhelming, but nothing you and a licensed professional can’t handle together. With these questions in mind, you can feel confident in your decision to replace your unit. At Service Tech, we offer 24/7 availability, so when it’s time for an HVAC replacement, you can rest assured that your requests are taken care of. Call us today at 205-488-4714 to schedule an appointment. 

Related Content

Skip to content