Frequently Asked Questions
Black-Haak knows there is a lot of research to be performed and information to sort through when learning about your air conditioning options. The following list includes some of the most commonly asked questions we receive from customers in regard to their air conditioning system.
If you are looking for additional information or advice please call us or schedule a service call with us today!
Black-Haak, as well as most air conditioner manufacturers, recommend annual servicing of your air conditioner by a trained AC technician. These routine checkups help ensure the air conditioning system is clean, parts are inspected for excessive wear or corrosion and that the system is functioning at peak efficiency. This type of routine maintenance helps extend the life and efficiency of your air conditioner.
There are several reasons to replace your current air conditioner with a newer model, which range from increased efficiency to improved reliability. The average air conditioner has a lifespan of 10-15 years when properly maintained. If your air conditioner is getting up there in age, or you’ve noticed less cooling effect in the home or higher utility bills, it might be advisable to call in for an air conditioner checkup or start looking for a replacement air conditioner. Even if your system is working fine it may still be worth making the transition to a newer model for increased energy efficiency or home appraisal value. If you are able to upgrade your old air conditioner to a newer model that is more efficient or has less frequent repair requirements you may find yourself saving money in the years to come through smaller recurring expenses.
The best way to determine the appropriate replacement air conditioner for your home is to consult one of the expert AC installation technicians at Black-Haak. While it is possible to perform research yourself, and is recommended in order to be current with the latest industry technologies, it is always beneficial to let the professionals help you sort through and select the air conditioner model appropriate for your home’s size and your family’s budget. When you call Black-Haak we will send someone out to take a look at your home and make recommendations based on the layout of your house and your particular needs.
Watch for longer run times, weaker airflow, rooms that never quite reach the set temperature, or a sudden jump in your electric bill. New noises (buzzing, grinding, rattling) and frequent cycling on and off are also red flags. If you see ice on the lines or notice water around the indoor unit, schedule service early. Those issues often get worse fast once outdoor temps spike.
The most common issue is airflow. If ductwork is leaking, undersized, or unbalanced, even a brand-new system can feel underpowered and run longer than it should. Another common cause is improper setup, like incorrect refrigerant charge or thermostat configuration. A proper visit includes verifying airflow, checking static pressure, confirming the system is charged correctly, and making sure the equipment is matched to the home so you get the comfort you paid for.
If the air feels cool but still sticky, the system is not removing humidity effectively. That can happen when airflow is off, the AC is oversized and short cycles, the fan setting is incorrect, or there is a duct or return air issue pulling in humid air. The fix is not turning the thermostat lower. The fix is correcting airflow and run-time behavior, sealing duct leaks if needed, and making sure the system is operating the way it should for proper moisture removal.
Start with airflow and delivery. Uneven rooms are often caused by duct leakage, poor returns, closed or undersized vents, or an imbalanced system. Many homes can be improved with duct sealing, airflow balancing, return air improvements, or targeted insulation and weatherization changes. If the layout needs more control, zoning or adding a dedicated solution for a problem area can be an option without doing a full system replacement.
Breaker trips can be caused by failing electrical components, a struggling motor, or wiring issues. Short cycling is often tied to airflow restrictions, overheating, thermostat problems, or an oversized system. The best move is to stop resetting the breaker or repeatedly power-cycling the system. Turn the unit off and schedule service, because repeated restarts can stress compressors and electrical parts and turn a repair into a bigger failure.
Refrigerant charge is not something you can confirm by “feel” alone. Signs of a problem include weak cooling, ice on the lines or indoor coil, and unusually long run times. Proper charge matters because low or incorrect refrigerant can cause the compressor to run hot and work harder than it should, which shortens its lifespan. A technician checks charge using temperature and pressure readings along with airflow and system performance, not guesswork.
The best improvements usually start with the basics: correct filter type and fit, sealing return leaks that pull in attic dust, and making sure airflow is strong enough to support better filtration. If dust is coming from duct leaks or poor return paths, fixing that can make a noticeable difference. You can also ask for a simple air quality plan based on your home and symptoms, so you only invest in upgrades that actually solve the problem.