As homeowners and commercial building owners, you understand the importance of a functional heating, ventilation, and air conditioning (HVAC) system. A reliable HVAC system keeps you comfortable throughout the year and can improve your home’s or building’s air quality and reduce energy costs.

At Delaware Heating and Air, we know that maintaining your HVAC system can be overwhelming, especially if you need help figuring out where to start. That’s why we’ve created this guide to help you ensure indoor comfort in all seasons.

Maintaining Your HVAC System

Proper maintenance is crucial to ensure your HVAC system runs efficiently and effectively. Here are a few steps to take to keep your system in top shape:

Schedule Regular Maintenance: Having a professional inspect and tune up your HVAC system at least once a year is essential. They can help identify and fix minor issues before they become more significant problems and can also extend the life of your system.

Replace Air Filters Regularly: Dirty air filters can decrease the efficiency of your HVAC system, leading to higher energy costs and reduced airflow. Make sure to replace your air filters every 1-3 months or as needed.

Keep the Area Around Your System Clean: Make sure to keep the area around your HVAC system clean and free of debris. They can help improve airflow and prevent any issues with the system.

Consider a Smart Thermostat: A smart thermostat can help you better control the temperature in your home or building and even save energy costs.

Choosing the Right HVAC System

Choosing the right size and type for your home or building is essential if you’re looking for a new HVAC system. Here are a few things to consider:

  • Size: Choosing an HVAC system that is sized appropriately for your home or building is a necessity. A system that is too small won’t be able to effectively heat or cool your space, while a system that is too large will waste energy and money.
  • Type: There are several types of HVAC systems to choose from, including central air systems, heat pumps, and ductless mini splits. It’s essential to consider the specific needs of your home or building when selecting a system.
  • Energy Efficiency: Look for an HVAC system with a high energy efficiency rating. It can help save you money on energy costs in the long run.
  • Cost: Consider the HVAC system’s initial and ongoing maintenance costs.

Tips for Improving Indoor Air Quality

In addition to keeping you comfortable, a functional HVAC system can also help improve the air quality in your home or building. Here are a few tips to help improve the air quality in your space:

  • Use Air Purifiers: Air purifiers can help remove contaminants from the air, including dust, pet dander, and mold spores.
  • Ventilate Your Space: Proper ventilation can help remove excess moisture and improve airflow.
  • Avoid Using Harsh Chemicals: Use natural cleaning products whenever possible and avoid using harsh chemicals that can contribute to poor air quality.
  • Keep Your HVAC System Clean: A dirty HVAC system can spread contaminants throughout your home or building. Make sure to regularly clean and maintain your system to help improve air quality.

HVAC Emergencies: What to Do

There may be times when your HVAC system encounters an issue that requires immediate attention. There are different options when you encounter an HVAC emergency:

If your HVAC system is making strange noises or producing unusual smells, turn it off immediately and contact a professional for help.

If you lose heat in the winter or air conditioning in the summer, try to identify the problem while taking steps to fix it. If you cannot resolve the issue, contact a professional for help.

If you have a leak in your HVAC system, turn it off and clean up the water to prevent any further damage. Then, contact a professional for help.

HVAC Upgrades: Is It Time for a Change?

Consider an upgrade if your HVAC system is ten years old or older. Here are a few signs that it might be time for a change:

Your energy costs are consistently high. An outdated HVAC system may be less energy efficient, leading to higher energy costs.

You’re consistently making repairs. Investing in a new system may be more cost-effective if you find yourself constantly making repairs to your HVAC system.

Consider an upgrade if you cannot maintain a comfortable temperature in your home or building.

Your system is no longer under warranty. If your system is no longer under warranty and you’re facing the prospect of paying for expensive repairs, consider a new system.

Upgrading to a new HVAC system can be a significant investment, but it can also provide numerous benefits, including improved energy efficiency and increased comfort in your home or building.

Additional HVAC Tips and Considerations

In addition to the tips and information provided above, here are a few additional considerations to keep in mind when it comes to your HVAC system:

Insulate your home or building. Proper insulation can help keep your home or building at the appropriate temperature, reducing the strain on your HVAC system.

Use window coverings. Using window coverings, such as blinds or curtains, can help keep the sun’s heat out in the summer and retain warmth in the winter.

Change your HVAC system’s direction. Depending on the season, you can change the airflow direction from your HVAC system to help keep your home or building comfortable.

Consider a zoning system. If you have a large home or building, a zoning system can help you independently control the temperature in different areas. This enables you to save energy and money, as you can tailor the temperature to the specific needs of each area.


We hope this HVAC guide can help ensure indoor comfort in your home all year. Proper maintenance and the right system for your home or building can go a long way in keeping you comfortable and improving the air quality in your space. Have any questions or need assistance from our expert technicians with your HVAC system? Don’t hesitate to contact Delaware Heating and Air. Our team is here to help you with all of your HVAC needs