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HVAC in Attic? Pros and Cons

Updated: May 10, 2023

HVAC in Attic? Pros and Cons
HVAC System

HVAC in Attic? Pros and Cons

When it comes to installing a new HVAC unit, homeowners have two options: attic installation or traditional installation. Both options have their pros and cons, and it's important to understand them before making a decision. In this blog post, we will explore the advantages and disadvantages of each option.

Attic Installation:

Attic installation involves placing the HVAC unit in the attic of the home. This option has become increasingly popular in recent years, especially in homes with limited space or where the existing HVAC system needs to be replaced. Here are some of the pros and cons of attic installation:


1. Saves Space: One of the main advantages of an attic installation is that it saves space. Since the HVAC unit is placed in the attic, it frees up space in the basement or garage, allowing homeowners to use the extra space for storage or other purposes.

2. Quiet Operation: Attic installations are known for their quiet operation. The noise from the HVAC unit is muffled by the insulation in the attic, so homeowners won't be bothered by the sound of their heating and cooling system.

3. Easy Access: An HVAC unit installed in the attic is easier to access for maintenance and repairs. Technicians can easily access the unit through the attic, making it easier to diagnose and fix any issues.


1. Limited Space: Although attic installations save space, the attic may not be large enough to accommodate a large HVAC unit. Homeowners with small attics may have to choose a smaller unit, which may not provide enough heating and cooling power for the home.

2. High Installation Costs: Attic installations can be more expensive than traditional installations. This is because additional ductwork is required to move air from the attic to the living spaces. This additional ductwork can add to the cost of installation.

Traditional Installation:

Traditional installation involves placing the HVAC unit outside the home, typically on a concrete pad. This option is more common and has been used for many years. Here are some of the pros and cons of traditional installation:


1. More Efficient: Traditional installations are generally more efficient than attic installations. This is because the HVAC unit is located outside the home, where it can draw in fresh air and expel hot air more easily.

2. Lower Installation Costs: Traditional installations are typically less expensive than attic installations. Since the HVAC unit is placed outside, there is no need for additional ductwork or modifications to the attic.


1. Noisy Operation: Traditional installations can be noisy, especially if the HVAC unit is located near a bedroom or living space. The noise from the unit can be disruptive and may require soundproofing measures to be taken.

2. Accessibility: Traditional installations can be more difficult to access for maintenance and repairs. Technicians may need to navigate tight spaces or remove landscaping to access the unit, which can be inconvenient and costly.


When deciding between attic installation and traditional installation, homeowners should consider their specific needs and preferences. Attic installations are great for saving space and providing quiet operation, but they can be more expensive and have limited space. Traditional installations are more efficient and less expensive, but they can be noisy and less accessible for maintenance and repairs. Ultimately, the decision comes down to what works best for each individual homeowner.

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