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HVAC Efficiency and Temperature Fluctuations

Male standing cold in their home with their winter coat on

Virginia weather can sometimes be unpredictable in the fall. You can start the week wearing shorts and be digging out your winter coat before the weekend. It’s even possible to see a 30 degree change in temperature within a day. Constant fluctuations in temperature can put serious strain on your HVAC system. Exterior temperatures and climate can certainly have their effects on how efficiently your HVAC equipment heats and cools your home.

There are some simple ways to help regulate the temperature which can make your home’s environment more comfortable and extend the life of your heating and cooling equipment.

Seal and Insulate Air Ducts

According to Energy Star, about 20 to 30 percent of conditioned air can be lost through the duct system due to holes, leaks and poorly sealed ducts. Sealing air leaks in accessible ducts with mastic sealant or metal tape can help reduce air loss. Also, making sure ducts are properly sealed around vents and registers can help your HVAC system run more efficiently.

Inspect Your System Annually

When something is out of sight it’s easily out of mind as well. Performing regular maintenance like cleaning the condenser coils or changing out air filters can extend the life of your HVAC system. A clean system will perform more efficiently making it easier to adjust to temperature fluctuations.  Bradley Mechanical offers many services to help maintain your HVAC all year long.


If your home is poorly insulated, it can have difficulty retaining heat or cool air. This can cause your HVAC system to run longer to make up for the loss and try to keep up with rapid temperature change. This can be very expensive in the long run. Properly insulating the attic, walls and crawl space is highly recommended.

Install a Zoning System

Zoning systems allow you to control the temperature in every room or zone of your home. With thermostats in every zone and automatic dampers in the ducts, you can control airflow more precisely. When used with a programmable thermostat, these systems have been proven to save up to 35 percent on heating and cooling costs.


Want to start saving on your energy bill today? Give Bradley Mechanical a call at (804) 748-6782. We are Richmond and Central Virginia’s HVAC experts. Our team of trained technicians has been trusted for over 50 years.