Understanding HVAC Guidelines
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Understanding HVAC Guidelines

Once I purchased my first home, I realized that I needed to do my part in caring for my home appliances. In addition to reading the user manuals for my kitchen appliances and state-of-the-art plumbing system, I realized that I also needed to do a little research about HVAC. Because I had no experience with HVAC systems, I called out a professional to teach me a thing or two. It was fascinating to talk with him, and I was able to take notes about all kinds of important topics, such as maintenance, troubleshooting, and even shopping for a new system. This blog is all about understanding HVAC guidelines.

Understanding HVAC Guidelines

Important Things To Consider When You Need AC Replacement

Marilou Girard

When it comes to replacing an air conditioning unit, it can be overwhelming to navigate the various options and factors that need to be considered. However, choosing the right AC replacement is crucial in ensuring comfort, energy efficiency, and cost-effectiveness in the long run. Here are four factors to consider when choosing an AC replacement.


The size of the AC replacement is a crucial factor to consider. It's important to choose a unit that's appropriately sized for your home or business. If the unit is too small, it will have to work harder and run longer to cool the space, leading to higher energy bills and a shorter lifespan. On the other hand, if the unit is too large, it will cycle on and off frequently, leading to higher energy bills and poor dehumidification. To ensure the right size, a professional contractor can perform a load calculation to determine the appropriate size of the unit for your space.

Energy Efficiency

Energy efficiency is important when choosing an AC replacement. A more efficient unit can save you money on energy bills over time, and may also qualify for rebates and incentives from your local utility company. The most common energy efficiency rating for air conditioning units is the Seasonal Energy Efficiency Ratio (SEER), which measures how efficiently the unit can cool your space over the course of a season. Generally, a higher SEER rating means a more efficient unit. However, it's important to balance the initial cost of the unit with the potential long-term savings from energy efficiency.

Type of Unit

There are several types of AC units available, each with its own benefits and drawbacks. The most common types of AC units include central air conditioners, ductless mini-split systems, and window units. Central air conditioners are the most common type of AC unit and are typically the most efficient option for cooling larger homes or businesses. Ductless mini-split systems are a good option for homes or businesses without existing ductwork and can be more energy efficient than central air conditioners. Window units are the most affordable option, but are typically only suitable for cooling a single room or small space. When choosing the type of unit, it's important to consider factors such as the size of the space, existing ductwork, and budget.

Brand and Quality

Finally, it's important to consider the brand and quality of the AC replacement. Choosing a reputable brand with a track record of quality can ensure that you're getting a reliable unit that will last for years to come. Additionally, investing in a higher-quality unit may cost more upfront, but can save you money in the long run by reducing the need for repairs and replacements. Researching brands and reading reviews can help you make an informed decision on the best brand and quality for your needs.

When choosing an AC replacement, it's important to consider the size of the unit, energy efficiency, type of unit, and brand and quality. By carefully considering these factors, you can ensure that you choose an AC replacement that will provide reliable and efficient cooling for your space, while also saving you money on energy bills and potential repairs and replacements in the long run.