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Installing an air conditioning unit in your home can be tough if you’re not a pro. That’s why it’s best to leave air conditioning installation to professionals. The skill and experience level of the installers directly affects how well your AC will work in the future. If the AC installation is not done properly, your unit might not work as well as it should, it may break down frequently, or consume more energy.
To make sure your AC continues to keep you comfortable without straining your wallet for a long time, follow these helpful tips from H & H Heating & Air Conditioning’s skilled technicians.
For a successful air conditioning installation, it’s important to hire a professional. A good air conditioning company will look after important things like refrigerant levels, pressure, and voltage, and make sure the AC is securely installed. Trying to do this on your own is not recommended, especially if you don’t have the right skills and tools. Only if you happen to be an experienced HVAC technician, you can take on the installation confidently.
When hiring a professional for your AC installation, look for these key indicators:
Be sure to check out our blog on how to spot a bad contractor so you can confidently choose a qualified professional.
If you’re in the Delaware Valley and searching for reliable AC installation services, the certified team at H & H Heating & Air Conditioning is here to help.
When it comes to buying central air conditioning systems for homes, bigger doesn’t always mean better. If the air conditioner is too big for your house, it can make comfort levels less effective. If it’s too small, it will struggle to keep up with demand, leading to excess wear and higher energy costs.
To figure out the right size for your AC, HVAC experts use a method called “heating, ventilation, and air conditioning load estimate.” This method considers different things like the size of your home, the weather in your area, how well your home is insulated, how many windows and doors you have, and how many people live in the house. By looking at all these factors, they can make sure your air conditioner is just the perfect size to keep you comfortable and cool efficiently.
This process, often referred to as a Manual J load calculation, is critical for long-term comfort and efficiency. Installing an oversized unit can lead to short cycling—frequent on-and-off cycles that increase wear and reduce dehumidification. An undersized unit, on the other hand, will run constantly, leading to skyrocketing energy bills.
You should also consider SEER ratings when choosing a unit. Learn more in our blog: What’s a Good SEER Rating?
Before you install a central air conditioner, it’s essential to check your existing ductwork. Some ducts may not handle the extra airflow that comes with a new AC system, so they might need adjustments. In homes without any ductwork, you’ll have to install it, which can be quite expensive, often costing thousands of dollars. It’s crucial to consider these factors and plan accordingly before getting your new air conditioning system.
Leaky, uninsulated, or improperly sized ducts can lead to energy losses of up to 30%. Our expert installers can perform a full duct inspection and make recommendations before your air conditioning installation begins. In some cases, it may be better to consider ductless AC systems, especially for additions, historic homes, or spaces without existing ducts.
If you’re considering installing ductwork or replacing outdated components, check out our HVAC replacement and installation services for more guidance.
Keeping the right distance between the indoor and outdoor units is crucial for split AC systems. The refrigerant, which cools the air, flows through copper tubing between these units. However, there can be some loss of cooling when the refrigerant travels between the units. To minimize this loss, try to keep the distance between the indoor and outdoor split AC units as short as possible. The maximum recommended distance between them is about 15 meters (around 50 feet).
Additionally, placement should ensure good airflow, easy access for maintenance, and minimal noise disruption. The outdoor unit should be kept clear of obstructions like fences or shrubs and ideally placed in a shaded spot to enhance efficiency. Indoor units should be positioned in areas that allow even air distribution throughout the space.
Poor placement not only reduces the system’s effectiveness but can also increase operating costs and reduce the unit’s lifespan. Always consult a pro who understands the best practices for how to install a heating and air conditioning unit.
Creating the right work environment for your AC installers is an often-overlooked yet essential step in ensuring a successful installation.
Respecting the workspace allows professionals to focus on delivering high-quality, efficient work and ensures a smooth installation process from start to finish.
AC installation is a complex process that involves more than just hooking up equipment. It’s about planning, sizing, assessing your existing infrastructure, and positioning components correctly. Each decision plays a key role in ensuring your system runs smoothly for years to come.
Whether you’re replacing an outdated unit or setting up a system for the first time, partnering with experienced HVAC contractors ensures peace of mind, better energy savings, and long-term comfort.
Let our professional AC installation contractors at H & H Heating & Air Conditioning take care of your project. With stellar service and plenty of experience in the industry, we provide quality work. To request an appointment, get in touch with us today!
Want to dive deeper into the process and explore more tips on rebates, smart upgrades, and timelines? Be sure to check out our full Philadelphia Homeowner’s Guide to AC Installation and Upgrades.
Blog Last Updated on November 3, 2025
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