Frequently Asked Questions

HVAC Questions & Answers

Have questions about your heating and cooling system? We have answers. Browse our most commonly asked HVAC questions below, or call Stedfast Heat & Air at (501) 302-4395 to speak with a technician.

If your air conditioner produces warm air instead of cool air, there may be a few possible causes. Common issues include a clogged air filter, low refrigerant, a faulty thermostat, or problems with the outdoor condenser unit.

HVAC systems typically last anywhere from 10 to 20 years on average. However, their lifespan can vary significantly based on the model, routine maintenance, frequency of air filter changes, and how heavily the system is used.

If your HVAC system runs nonstop, it may be caused by several different issues. Common reasons include the thermostat being set to “continuous fan” mode, a system that is undersized for the home or building, or an underlying mechanical problem that requires professional service.

Strange sounds coming from your furnace may be a sign of mechanical issues, restricted airflow, or a dirty burner. If you notice unusual noises, contact Stedfast Heat & Air at 501-843-4860 so our team can inspect the system quickly and help prevent further damage or a possible breakdown.

At Stedfast Heat & Air, we recommend scheduling HVAC maintenance twice a year — once in the spring before temperatures rise and again in the fall before colder weather arrives.

Yes, an unexpected spike in your energy bills may be a sign that your HVAC system is not operating efficiently. Common causes can include a dirty air filter, leaking ductwork, aging equipment, or other performance issues within the system. Stedfast Heat & Air would be glad to inspect your system and provide professional recommendations to help restore efficiency and comfort.

The frequency with which you should change your HVAC filter depends on the type of filter, the air quality in your area, and if there are pets in the home. However, a good rule of thumb is to change it once a month.

Basic maintenance tasks like replacing air filters or keeping the outdoor unit clean can typically be handled by homeowners. However, most HVAC repairs involve complex components and systems that should be serviced by a trained professional. Attempting repairs on your own can create safety risks and may even void your equipment’s warranty.

The best thermostat setting depends on personal preference, but a common recommendation for both comfort and energy savings is 78° during the summer months and 68° during the winter.

SEER, or Seasonal Energy Efficiency Ratio, is a rating that measures how efficiently an air conditioner or heat pump cools your home. Systems with higher SEER ratings are more energy efficient and can help reduce utility costs. To fully benefit from a higher SEER rating, the entire HVAC system should be upgraded. Stedfast Heat & Air can help design a customized heating and cooling system that fits both your comfort needs and budget.

Routine HVAC maintenance helps your system operate more efficiently, which can lower energy costs and improve overall performance. Regular service can also extend the lifespan of your equipment, reduce the risk of expensive repairs or unexpected breakdowns, and help maintain a comfortable and healthy indoor environment.

A central air system is designed to either cool or heat air, depending on the setup, while a heat pump can provide both heating and cooling. During colder months, a heat pump extracts heat from the outside air to warm your home, and in warmer months, it removes heat from inside your home to help keep it cool.

The correct HVAC system size depends on several factors, including your home’s square footage, insulation quality, window types and efficiency, and even how many people live in the space. At Stedfast Heat & Air, we can perform a detailed load calculation to determine the properly sized system for your home using an AI program called Conduit.

HVAC zoning involves dividing your home into separate areas, or “zones,” each with its own thermostat. This setup allows for more precise control of temperature and airflow throughout the house, which can improve comfort and may help reduce energy usage.

A single-stage HVAC system runs at full power whenever it’s operating, while a two-stage system can switch between full and reduced capacity. Because it can run at a lower setting during milder conditions, a two-stage system is typically more energy efficient and provides more consistent comfort.

Common signs of leaking ductwork include higher-than-normal energy bills, uneven temperatures between rooms, and noticeable dust in the air when the system first turns on.

A ductless mini-split system is an HVAC solution that operates without traditional ductwork. It includes an outdoor compressor connected to one or more indoor air-handling units. These systems are often a great choice for home additions or spaces where installing ductwork isn’t practical.

Still have questions? Our team is here to help.

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