You may be surprised to learn that air leaks in your home lead to a sizable increase in your energy usage each month. If you're looking for ways to improve your heating and air efficiency, sealing these leaks is absolutely essential.

Sealing air leaks with the use of caulk isn't usually a difficult DIY project. With a little bit of know-how, there's usually no need to call on the help of an HVAC technician. 

Once you've chosen the proper type of caulk based on the surface you're applying it to and its location, follow these tips to make the job go as smoothly as possible:

• The best time to apply caulk is during the day when there's low humidity. This will assist with its adhesion to the surface.
• Before caulking begins, wipe away the area. You want it to be clear of paint, old caulk and anything else that might impede adhesion. Use a putty knife, solvent or other method, if necessary.
• Caulk is typically applied with a caulking gun. The caulk comes in a tube that you slide into the device.
• When applying, hold the caulking gun at a 45-degree angle and do the job in one continuous stream, if possible. If the caulk is immediately flowing into the crack or gap as it leaves the gun, you're doing it correctly.
• The caulk must stick to both sides of the problem area to ensure properly sealing.
• If your caulking gun doesn't have an automatic release, stop hitting the trigger before you pull the device away. Failing to do so can result in the application of too much caulk.
• If you get any caulk outside the crack or gap, use a putty knife to push it inside.
• Don't be afraid to apply a more liberal amount of caulk if the gap isn't completely filled in. 

For more expert advice on improving your heating and air efficiency by sealing leaks, or for any home comfort concerns, please contact the friendly professionals at Tri-County Heating & Cooling. We've been serving the HVAC needs of Cincinnati and the surrounding areas since 1969.

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