How to Conduct a Simple DIY Home Energy Audit

An energy audit examines your home’s energy use and identifies sources of waste or inefficiency so that energy-saving methods can be implemented. You can conduct an energy audit of your home quite easily without any special tools or expertise. Knowing what to look for can help you on your way to saving energy in your Chicago-area home.

Your home energy audit should mainly examine your windows and doors, HVAC system, and lighting. You will be able to identify problems you can take care of and those for which you will need professional assistance.

Doors and Windows

Doors and windows are often major sources of energy waste as cracks or separations allow unwanted air to seep in and cause you to lose treated indoor air. Beyond obvious problems, just standing near or moving your hands around frames can let you know if there is a draft. Weatherstripping or caulking will seal cracks or gaps in windows and doors, and door sweeps or weatherboards are also effective in preventing air from seeping in or out via the bottom of doors. It is important to check the attic too for signs of air leaks.


The way you use your thermostat can have a significant impact on your HVAC system’s efficiency. Frequently adjusting the thermostat, or setting it too high in the winter or too low in the summer can significantly increase your energy bill. A programmable thermostat is an effective tool to help you to regulate indoor temperatures, but only if it is being used properly.

Light Bulbs

Replace incandescent light bulbs with energy-efficient options such as CFL and LED light bulbs which use 25%-80% less energy and last 3-25 times longer, according to the US Department of Energy. Make the switch, particularly in those rooms in which lighting is most often required.

A DIY home energy audit will only go so far. It is wise to enlist the services of professionals who can do more extensive checks with regard to your HVAC system, insulation, appliances and overall energy efficiency.

Contact Hollub Heating, Inc. at (312) 829-8000 for more information about home energy audits. We also provide other services and systems to improve the efficiency and comfort of your home or office.

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