Many homes lose energy through gaps in old or damaged siding. When air leaks in or out, your heating and cooling system works harder to keep rooms comfortable. James Hardie siding helps reduce this energy loss by creating a tight, weather-resistant seal.
Below, we explain how it works, why it matters for your comfort and bills, and what makes it one of the most reliable siding options for energy efficiency.
How Does James Hardie Siding Improve Energy Efficiency?
James Hardie siding creates a solid barrier that helps keep outside air out and indoor air in. This helps reduce strain on your HVAC system. James Hardie siding gets nailed tightly to the wall. Each plank is secured with a deep fastener that goes through the wall and into the studs. That tight fit reduces gaps that allow cold or hot air to sneak through.
We also install a special weather barrier behind the siding. This includes:
- Flashing tape around all windows and doors
- Sealing all seams to keep air and moisture out
- A continuous barrier that covers the full wall
Pro Tip: A proper weather barrier behind your siding is just as important as the siding itself. Always work with a contractor who installs both.
Can James Hardie Siding Help Lower Utility Bills?
Yes, this siding can help lower your heating and cooling bills. When your home is sealed better, your furnace and air conditioner do not have to work as hard.
Older homes often have air leaks that go unnoticed. You might feel cold spots near windows or notice the AC runs longer in summer. When we install James Hardie siding, we seal:
- Gaps around the window and door frames
- Openings where air can enter or escape
- Wall cavities that often leak air
Key Takeaway: A sealed home is more energy efficient. James Hardie siding helps make that happen.
Is James Hardie Siding Made for Cold Climates?
Yes, it is. James Hardie builds different versions of their siding for different climates. This ensures your siding performs well in your specific area.
What is the HZ5 Product Line?
In colder places like St. Louis, we use James Hardie’s HZ5 line. It is made to handle:
- Freeze-thaw cycles in winter
- Heavy rainfall and high humidity
- Extreme heat in the summer
This version of the siding includes extra features to deal with ice, snow, and large temperature swings. It will not warp or crack like other materials can.
Need expert help with James Hardie siding? Contact Hawthorn for a free consultation. We’ll help you choose the right product for your home.
What Else Can Boost Energy Efficiency With Siding?
Siding helps, but you can take it further with a few more upgrades. We often recommend:
- Energy-efficient windows: New windows seal tighter than old ones
- Attic insulation: Keeps warm air in during winter and heat out in summer
- Wall insulation upgrades: Blown-in insulation can fill old wall gaps
Having this siding is a great first step. It makes your home tighter and helps other upgrades work even better.
Why Choose James Hardie for Energy Efficiency?
This is one of the only siding brands made for your exact climate. The materials are strong, tested, and built to last. The way it is installed, tight to the wall with full sealing, makes it one of the best choices for saving energy.
Here are the benefits of James Hardie siding:
- Seals air leaks and drafts
- Handles extreme temperatures
- Works with other energy-saving upgrades
- Helps lower monthly utility costs
In Summary
James Hardie siding helps with energy efficiency by making your home tighter, sealing air leaks, and protecting against weather changes. It is a smart investment that can lower your heating and cooling costs while keeping your home more comfortable year-round.
Contact Hawthorn today for a free quote or to learn more about our services. We will help you choose the right system for your home and install it with expert care.
