By Jacqueline Lane, Owner & Operator of Tony’s Roofs | Knoxville, TN
If your electric bill shows up during a Knoxville summer and you need a minute before opening it, I understand.
Between our East Tennessee heat, humidity, and air conditioners working like they’re trying to win Employee of the Month, keeping a house comfortable can get expensive.
Most homeowners immediately blame the HVAC system. But there’s another part of your home that can affect how well it handles heat: your roof.
As the owner and operator of Tony’s Roofs, I get asked whether installing a new roof can make a home more energy efficient. The answer is yes, it can help—but there’s more involved than simply putting new shingles on the house.
Let me explain.
Your Roof Is Taking the Heat So You Don’t Have To
On a hot Knoxville afternoon, your roof spends hours getting hammered by direct sunlight.
Roofing materials absorb some of that solar heat. From there, heat can move toward your attic. If the attic isn’t properly ventilated and insulated, your cooling system may have to work harder to keep the living space comfortable.
In other words, your AC is downstairs fighting for its life while your attic is upstairs auditioning to become a sauna.
That’s not exactly teamwork.
A properly designed roofing and attic system can help manage that heat more effectively.
Ventilation: Not Exciting, But Important
Nobody calls Tony’s Roofs and says, “Jacqueline, forget the shingle colors. Tell me everything you know about attic ventilation.”
But maybe they should.
Proper ventilation allows air to enter through intake vents, usually located lower on the roof, while warmer attic air escapes through exhaust vents higher up.
When ventilation isn’t adequate, heat and moisture can accumulate in the attic.
That’s why replacing a roof is a good opportunity to evaluate the ventilation system. We don’t want to install beautiful new roofing materials while ignoring a problem underneath them.
That’s like buying a brand-new outfit and refusing to take the price tag off.
We can do better.
Does Your Roofing Material Matter?
Absolutely—but don’t fall for gimmicks.
Different roofing materials and colors handle solar energy differently. Certain roofing products are designed to reflect more sunlight and absorb less heat than conventional materials. Metal roofing may also offer advantages depending on the product, coating, color, and installation.
But there’s no magic shingle that automatically sends your electric bill into retirement.
Your home’s energy performance depends on the entire system.
Don’t Forget What’s Under the Roof
Here’s something I wish more homeowners knew:
Roofing, ventilation, and insulation are teammates.
Your roof protects against weather. Ventilation helps control attic heat and moisture. Insulation slows heat transfer between your attic and living space.
If your insulation isn’t doing its job, replacing the roof won’t magically fix it.
That’s why I believe a good roofing contractor should look at more than what’s visible from the driveway.
Sometimes what is happening underneath the roof tells us just as much as the shingles themselves.
Will a New Roof Lower Your Electric Bill?
It can contribute to better energy efficiency, particularly when a roof replacement corrects existing ventilation problems or replaces an aging roofing system.
But I’m not going to tell you a new roof will automatically cut your electric bill by some magical percentage.
Too many factors affect energy consumption—your HVAC system, insulation, windows, air leakage, thermostat settings, home design, and whether somebody in your house thinks 67 degrees is a reasonable indoor temperature in July.
At Tony’s Roofs, I’d rather give homeowners realistic information than make a promise that sounds great until the first KUB bill arrives.
When Should You Have Your Roof Checked?
Pay attention if your upstairs rooms are unusually hot, the attic feels excessively warm, your cooling system runs constantly, you’ve noticed moisture problems, or your roof is showing significant signs of age.
None of those automatically means you need a new roof.
Sometimes you need a repair.
Sometimes ventilation needs attention.
And sometimes replacement really is the smartest investment.
The important part is figuring out what your home actually needs.
A Better Roof Is About More Than Curb Appeal
A new roof can completely change how a home looks, but I’m much more interested in what’s happening underneath that pretty new roof.
When quality materials, proper installation, balanced ventilation, and adequate insulation work together, you’re giving your home a better opportunity to perform efficiently through Knoxville’s hot summers and unpredictable East Tennessee weather.
So if your air conditioner seems to be working overtime, don’t immediately start yelling at the thermostat.
Look at the whole house.
Sometimes the problem really is over your head.
— Jacqueline Lane
Owner & Operator, Tony’s Roofs
Knoxville, Tennessee
Roofing • Roof Repairs • Roof Rejuvenation • Siding • Gutters • Fascia • Soffit • Decks
Free Estimates: 865-455-3820
www.tonysroofs.com