Air Conditioning FAQs
Common Air Conditioning FAQs in Longmont, CO
Are you wondering how often your air conditioner should be serviced or why it’s making a strange noise? At Homerun Heating & Air, we receive all kinds of questions from homeowners and business owners in Longmont, CO about their air conditioning systems. With summer temperatures in Colorado reaching the high 80s or more, it’s crucial to have a well-functioning AC system. Whether you’re looking to upgrade, repair, or just understand how to maintain your current unit, we’ve compiled answers to the most frequently asked questions to help you stay informed and comfortable all year long.
1. How often should I service my air conditioner?
At a minimum, your air conditioning system should be serviced once a year—preferably in the spring before the hot weather arrives. Regular maintenance ensures your unit is running efficiently and helps extend its lifespan. During a service visit, our HVAC technicians at Homerun Heating & Air will clean the coils, check refrigerant levels, inspect components, and look for signs of wear or leaks. According to the U.S. Department of Energy, proper maintenance can improve system efficiency by up to 15% (Energy.gov). Skipping service can lead to costly repairs down the line and reduced cooling performance.
2. Why is my air conditioner not cooling properly?
If your AC system isn’t cooling as it should, several issues could be at play—low refrigerant levels, dirty air filters, a malfunctioning thermostat, or a failing compressor are among the most common causes. First, check that your thermostat is set to “cool” and at the correct temperature. Next, replace or clean your air filter. If these don’t solve the issue, it’s best to call a licensed HVAC professional for a diagnostic check. At Homerun Heating & Air, we’ll assess the system thoroughly and recommend the best course of action.
3. What size air conditioner do I need for my home?
Choosing the right AC size depends on your home’s square footage, ceiling height, insulation, window size, and more. An improperly sized system—too small or too large—can result in higher energy bills and less comfort. A general rule of thumb is about 20 BTUs (British Thermal Units) per square foot of living space, but a professional load calculation is best. Our team at Homerun Heating & Air offers free estimates and can help you choose the most energy-efficient unit for your needs in Longmont, CO. We take every detail into account to ensure your new system fits perfectly.
4. How long do air conditioning systems typically last?
Most central air conditioners last between 12 to 17 years with regular maintenance. Factors like brand, usage, local climate, and how well the unit is cared for can all impact longevity. In Colorado’s varying climate, scheduling annual tune-ups and using a programmable thermostat can help prolong your system’s life. If your unit is nearing the end of its lifespan and you’re noticing higher energy bills or frequent breakdowns, it might be time to consider a replacement. Our experts can guide you through selecting an energy-efficient model that suits your budget and comfort needs.
5. Why is my air conditioner making strange noises?
Unusual noises like buzzing, rattling, grinding, or hissing often indicate a problem that needs professional attention. A buzzing noise could mean loose parts or electrical issues, while grinding might signal motor or bearing problems. Hissing noises may indicate a refrigerant leak, which can be harmful to the environment and your health. Don’t ignore these sounds—call Homerun Heating & Air right away to inspect your system. Early detection can prevent larger, more expensive problems and keep your unit running smoothly throughout the season.
6. How can I improve my air conditioner's efficiency?
To improve AC efficiency, make sure you change your air filters regularly (every 1–3 months), keep your outdoor unit clean and unobstructed, and seal any leaks around windows and doors. Installing a programmable or smart thermostat can also help regulate indoor temperatures and reduce energy use. According to ENERGY STAR®, these simple steps can significantly lower your cooling costs. Homerun Heating & Air also offers a Grand Slam Service Plan, which includes routine maintenance to help keep your system running efficiently year-round.
7. What is SEER, and why does it matter?
SEER stands for Seasonal Energy Efficiency Ratio, and it measures how efficiently an air conditioner operates over an entire cooling season. The higher the SEER rating, the more energy-efficient the system. For example, a SEER rating of 16 or higher is considered highly efficient and can reduce energy costs significantly over time. All new systems must meet a minimum SEER rating set by the Department of Energy (Energy.gov HVAC Standards). Our team can help you choose a high-SEER air conditioner that balances cost and performance for your Longmont home.
8. Should I repair or replace my AC unit?
If your air conditioner is over 10–15 years old and repairs are becoming more frequent or expensive, replacement might be the better option. Newer systems are more energy-efficient and often come with warranties that offer peace of mind. If the repair cost is more than 50% of the value of a new system, most experts recommend replacement. At Homerun Heating & Air, we offer honest advice and free estimates to help you decide what’s best for your home or business in Longmont. We’ll never push a replacement unless it truly makes sense for you.
9. What is a ductless mini-split AC system?
A ductless mini-split system is a flexible cooling (and heating) solution that doesn’t require ductwork. These systems are ideal for homes without existing ducts, room additions, garages, or for zoning temperature control in specific areas. They’re energy-efficient, quiet, and easy to install. Each indoor unit can be controlled independently, offering personalized comfort. At Homerun Heating & Air, we install and service ductless mini-splits across Longmont, CO—just ask us if this solution could be right for your space!
10. How much does it cost to install a new air conditioner?
The cost of installing a new AC system varies based on the type of unit, home size, existing ductwork, and energy efficiency level. On average, homeowners in Longmont can expect to pay between $3,500 and $7,500 for a central air conditioner installation. High-efficiency models or added zoning systems may increase the cost. Homerun Heating & Air offers free estimates and financing options to make it easier for you to stay cool without breaking the bank. Our goal is to provide honest pricing and top-tier installation that fits your budget.
11. What temperature should I set my thermostat in the summer?
For optimal comfort and energy savings, the U.S. Department of Energy recommends setting your thermostat to 78°F when you’re home and turning it up a few degrees when you’re away. A programmable or smart thermostat makes this easy by adjusting temperatures automatically. Avoid cranking the temperature down too low when you get home—it won’t cool your house faster and may actually waste energy. Homerun Heating & Air can help you choose and install a thermostat that fits your lifestyle and keeps your cooling bills in check.
12. How can I tell if my AC needs more refrigerant?
Signs that your AC might be low on refrigerant include warm air blowing from the vents, ice forming on the evaporator coils, or a noticeable decrease in cooling efficiency. Low refrigerant levels usually indicate a leak, which should be repaired by a professional. Simply adding more refrigerant without fixing the leak can cause further damage. At Homerun Heating & Air, we’ll perform a full inspection, find the source of the leak, and recharge your system to manufacturer specifications.
13. Is it okay to run my AC all day?
Yes, it’s okay to run your AC continuously, especially during heat waves. However, it should cycle on and off periodically as it maintains your desired temperature. If it’s running constantly without reaching the set temperature, that could signal an issue like a dirty filter, refrigerant leak, or undersized unit. Running your AC efficiently means keeping it well-maintained and using a programmable thermostat to reduce unnecessary runtime. If you’re unsure whether your system is operating efficiently, give us a call and we’ll check it out for you.
14. What are signs that I need a new thermostat?
Common signs that your thermostat may be failing include inconsistent temperatures, frequent cycling of your AC system, or an unresponsive interface. Sometimes the issue is as simple as dead batteries, but if replacing them doesn’t help, it could be time for an upgrade. Smart thermostats offer better control, remote access, and energy-saving features. At Homerun Heating & Air, we install and program a variety of thermostat models that give you more control over your indoor comfort in Longmont, CO.
15. Are annual AC tune-ups really necessary?
Yes—annual tune-ups are essential for keeping your system running smoothly and avoiding breakdowns. Preventative maintenance can catch minor issues before they turn into major repairs. It also helps improve energy efficiency, extends the life of your unit, and keeps your manufacturer warranty valid. With our Grand Slam Service Plan, we make it easy to stay on top of regular maintenance. It’s one of the best investments you can make in your home comfort.