HVAC System

Planning To Replace Your HVAC System? Here’s What You Need To Know

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You have been using your air conditioning system for a long time. By this time, it has already undergone a series of wear and tear. Now, it is time to replace this air conditioning. You can either replace the entire air conditioning system or only the furnace or both. If this is the first time that you are planning to replace an HVAC system, you might be overwhelmed by the entire process.

That is why we have come up with a blog with loads of information regarding replacing an air conditioning system or HVAC system. In this blog, we will cover topics like estimated HVAC installation cost, deciding if you should replace your HVAC system, some basic HVAC terms you should be aware of, and many more. Therefore, let’s dive into the plethora of information in this blog.

Estimating the cost of HVAC installation

The cost of installing a new HVAC system is a costly affair. Before you purchase from one store, we recommend you take at least three quotes from three different suppliers. This will help you not only get an estimate but also allow you to purchase an HVAC system at the perfect cost.

Generally, an HVAC contractor arrives at your property and takes measurements in terms of square feet. Then, he calculates the load based on two distinct factors:

  • The size and condition of your property
  • The ability of your property to contain conditioned air

After the assessment, the contractor will discuss the type and size of the HVAC system that suits your property. Besides, he will also talk about the necessary replacements and repairs, if required. Further, the contractor will also recommend some of the best air conditioning units that suit your building. Make sure to ask about the top brands, budget, and energy-efficiency ratings.

How to find a reliable contractor?

Now that you are determined to replace or change the HVAC system of your air conditioning unit, it is time to look for a reliable contractor. To choose the best contractor, here are some tips you should follow:

  1. Prepare a list

You will have a series of HVAC contractors in and around you. However, only prepare a list of the HVAC contractors who are insured, licensed, and bonded. You can schedule a visit with each of the contractors and check what they have to see about your HVAC system. Let each of them take the measurements and go through your current system well. Here, a red flag is when you get quotes over messages and emails.

  1. Look for proof

Every HVAC contractor you come across should have valid proof of insurance and license. Here, try to get your hands on the license number. This will help you get a follow-up. The more the certifications a contractor has, the better he is in his work.

  1. Things to look for

The estimated cost that an HVAC contractor gives you should be signed and dated. It should cover all the areas of an HVAC replacement policy. However, this should not be limited to each and every task the contractor performs.

  1. Client reviews

Finally, the reviews and testimonials from the client matter. It gives you a detailed idea about the kind of contractor and the type of work you can expect from him. You can also rely on the online reviews of the customers.

Should you replace or repair it?

This is a question that most of you may ask. Since you are a novice, it will be difficult for you to assess whether you should replace or repair the HVAC system. To decide on this, these are the questions you need to address:

  • How old is the air conditioning unit?
  • How much is the cost of running the AC unit?
  • How many repairs has the AC unit undergone?

Also Read: How To Understand Your Boiler Is On The Fritz? 8 Significant Signs

Basic HVAC terms

Before you get into the replacement of the HVAC system, it is important to learn a few common terms. The two most common and basic HVAC terms are as follows:

  • HSPF

The Heating Season Performance Factor is a kind of rating that determines how efficiently the pump heats the system. The standard and current rate of heating is 7.7.

  • SEER

The Seasonal Energy Efficiency Ratio measures the efficiency of the cooling system of your HVAC system. In general, the current and standard rating of SEER should never fall below 13.

Preparing for an HVAC replacement

Before you install a new HVAC system or replace an old one with a new one, you need to consider some factors. Before the crew of the HVAC team enters your property, make sure to keep away all the antique, and delicate items in a safe place. Some contractors do not want to take up the responsibility of removing expensive items. So, it is better to do it yourself before the contractors come in.

Now that you have already got an estimate, it is time to process the installation of the HVAC. Generally, installing the HVAC system will not take you more than a day. However, the time taken for the installation will depend on the complexity of the HVAC system.

Next, the contractor and his team will prepare the floor by covering it with a protective paper or layer of cloth. Following this, the contractor will either remove or cover your furniture pieces for safety. After this, the team and his contractor will begin his task.

How to replace an old HVAC system?

The replacement of the old HVAC system will begin with the removal of the old equipment pieces. Every kind of disassembly the crew undertakes will be done only after disconnecting the HVAC unit from the power supply. Next, the contractor will move on to the duct modification and repair work. Finally, the crew will install the new unit and upgrade the circuit.


Therefore, it is better to install or repair the HVAC system at the right time before you experience any severe damage. Performing the air conditioning maintenance at the perfect time can save your HVAC system and expand its lifespan.

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