Preventing Energy Loss: Sealing Gaps and Insulating Ducts

February 7, 2026

Many businesses and homeowners are surprised to learn how much energy is lost through small gaps and poorly insulated ductwork. Even a well-designed air conditioning system can struggle to perform efficiently if cool air escapes before reaching the rooms where it’s needed. Sealing gaps and properly insulating ducts are two simple but highly effective ways to improve your home’s comfort while reducing energy costs.


Why Energy Loss Happens

In many homes, air can escape through small cracks around windows, doors, loft spaces and service openings. These gaps allow cooled air to leak out while warm air enters, forcing your air conditioning system to work harder to maintain a comfortable temperature.


Ductwork can also be a major source of energy loss. If ducts run through uninsulated loft spaces or garages, the cool air travelling through them can quickly warm up before it reaches your living areas. Over time, this means your system must run longer and use more electricity to achieve the same level of comfort.


Sealing Gaps Around the Home

One of the easiest ways to improve efficiency is to identify and seal common air leaks. Areas worth checking include:

  • Window and door frames
  • Loft hatches
  • Pipe and cable entry points
  • Skirting boards and floor gaps
  • Around extractor fans and vents

Simple solutions such as weather stripping, sealant or draft excluders can significantly reduce unwanted airflow.


Insulating Ductwork

Duct insulation helps maintain the temperature of air as it travels through the system. Without insulation, ducts in warmer areas of the home can cause cooled air to warm up before it reaches its destination.


Proper insulation:

  • Reduces energy loss
  • Improves system efficiency
  • Helps maintain consistent temperatures
  • Reduces strain on your air conditioning system


Professional inspections can also identify loose connections or leaks in ductwork that may be contributing to energy waste.


Long-Term Benefits

By sealing gaps and improving insulation, homeowners can enjoy:

  • Lower energy bills
  • Improved indoor comfort
  • More efficient system performance
  • Reduced wear on equipment


Small improvements in energy efficiency can make a noticeable difference to both comfort and running costs.

If you’re unsure whether your air conditioning system is operating efficiently, a professional assessment can help identify opportunities to improve performance. Book in a Servicing Appointment TODAY.

A technician in a blue uniform cleans an outdoor HVAC condenser unit with a spray nozzle.

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Optimising Thermostat Settings and Improving Household Efficiency

March 6, 2026
Your thermostat plays a key role in maintaining comfort while managing energy consumption. By optimising your thermostat settings and adopting a few simple efficiency habits, you can significantly improve how effectively your air conditioning system operates. Small adjustments can lead to noticeable savings without sacrificing comfort. Choosing the Right Temperature Setting your thermostat too low can cause your system to work harder than necessary, increasing energy use and putting extra strain on equipment. During warmer months, many experts recommend setting the thermostat around 24–26°C for cooling. This range generally provides a comfortable indoor environment while maintaining good energy efficiency. For heating in colder months, a setting between 18–21°C is typically sufficient for most homes. Using Programmable or Smart Thermostats Programmable and smart thermostats can automatically adjust temperatures throughout the day based on your schedule. For example, temperatures can be slightly higher while you are away from home and return to a comfortable level before you arrive. This avoids unnecessary cooling or heating when rooms are unoccupied.  Smart systems can also learn household routines and allow remote control via mobile apps. Improving Overall Household Efficiency Thermostat optimisation works best when combined with other simple efficiency measures: Close blinds or curtains during hot weather Reducing direct sunlight helps keep indoor spaces cooler. Use ceiling fans where possible Fans improve air circulation, allowing you to feel comfortable at slightly higher temperatures. Keep air filters clean Clogged filters restrict airflow and force systems to work harder. Avoid heat-generating appliances during peak heat Ovens, dryers and other appliances can increase indoor temperatures during hot periods. Consistency Is Key Constantly adjusting the thermostat can actually reduce efficiency. Maintaining a consistent temperature helps your system operate more effectively and reduces unnecessary cycling. Getting the Most From Your System Regular servicing ensures your air conditioning system continues to perform efficiently. A well-maintained system responds better to thermostat settings, uses less energy and provides more reliable comfort. With the right settings and a few simple efficiency habits, homeowners can enjoy a comfortable indoor environment while keeping energy use under control.