5 Ways to Make Your House More Energy Efficient

By The Joan Killian Everett Company

North Carolina's summers aren’t subtle, and Hickory homeowners tend to feel that in their utility bills from June through September. The good news is that the upgrades that do the most to lower those bills are also the ones that make a home more attractive to buyers — and right now there's real financial help available. North Carolina's Energy Saver NC program launched in 2025 and is now available in all 100 counties, offering rebates for qualifying improvements that make this one of the best times to act.

Key Takeaways

Insulation and air sealing consistently outperform more visible upgrades in actual energy savings
North Carolina's Energy Saver NC rebate program can offset costs for qualifying homeowners
Energy efficiency improvements translate directly to buyer appeal in Hickory's market
An aging HVAC system working harder than it should is typically the biggest driver of high summer bills

1. Seal and Insulate First

This is the upgrade most homeowners skip because it's invisible, but it pays off faster than almost anything else. Hickory homes built before the 1990s were often built with minimal attic insulation by today's standards and without modern air sealing.

Where It Makes the Biggest Difference

Attic floor insulation, which is the highest-priority area in most Hickory homes, given how much heat accumulates overhead in summer
Rim joists in crawl spaces are a common source of air infiltration that spray foam addresses
Around electrical outlets, plumbing penetrations, and recessed lighting on top floors, where small gaps add up fast
Crawl space encapsulation, which addresses both moisture and energy performance

2. Evaluate Your HVAC Before Another Summer

If your system is more than 10 years old and running long cycles or struggling to keep up in July, it's worth an honest evaluation. Heat pumps have become the clear recommendation for North Carolina's climate: they handle heating and cooling efficiently and perform well across most of Hickory's actual temperature range.

What to Consider

High-efficiency heat pumps (SEER2 16 or above) can reduce heating and cooling costs substantially versus aging conventional systems
The Energy Saver NC HEAR program includes rebates for heat pump installation for qualifying homeowners
Mini-splits are a strong option for rooms in older Hickory homes where ductwork is limited or poorly routed
Duct leakage is worth testing before replacing equipment; a well-sealed duct system on a modest unit often outperforms a new unit on leaky ducts

3. Replace the Water Heater Proactively

Water heating is one of the largest line items on a home energy bill and one of the easiest to overlook. Heat pump water heaters are now the efficiency leader and are included in North Carolina's HEAR rebate program.

What to Know

Heat pump water heaters use roughly two-thirds less electricity than conventional electric resistance models
If your current water heater is more than 10 years old, replacing it before it fails gives you time to choose the right unit rather than defaulting to whatever's available
The HEAR rebate applies to heat pump water heater installation for qualifying Hickory homeowners
Proper sizing matters; a correctly sized unit eliminates the hot water concerns that sometimes come with switching from an oversized conventional tank

4. Replace Single-Pane Windows Strategically

In older Hickory neighborhoods, original single-pane windows are a real source of heat gain and loss. For homes that already have double-pane windows, the energy return on replacement is harder to justify, but for single-pane homes, it makes sense.

How to Prioritize

South- and west-facing windows first, which take the most direct sun load during summers
Low-E coatings matter more than pane count; a double-pane window without Low-E underperforms one with it in high solar gain conditions
Interior window film is a lower-cost interim option for managing heat on west-facing windows if full replacement isn't in the near-term budget
Window replacement also carries real buyer appeal in Hickory, even when the energy payback period is long

5. Install a Smart Thermostat

The most accessible upgrade on this list, and one of the few that pays back within the first year for most households. In a climate where cooling runs for a long stretch, managing temperature schedules and monitoring usage remotely adds up quickly.

Getting the Most Out of It

Smart thermostats save most in homes with consistent occupancy patterns; they learn your schedule and adjust accordingly
Programmable setbacks of 7 to 10 degrees during work hours can reduce cooling costs meaningfully without affecting comfort when you're home
Pair it with clean filters changed on schedule and unobstructed vents for consistent, measurable results
If certain rooms feel different from others, that's a duct issue worth addressing before or alongside thermostat upgrades

FAQs

How Do I Know If I Qualify for North Carolina's Energy Saver NC Rebates?

Eligibility is based on household size and area median income for Catawba County. The application process starts at energysavernc.org, where you can check eligibility and schedule a free home energy assessment. We're happy to point you in the right direction.

Do Energy Efficiency Upgrades Increase Home Value in Hickory?

They can, particularly HVAC, windows, and insulation, which buyers ask about during inspection and negotiation. An efficient, well-maintained mechanical system is a selling point and reduces buyer hesitation around deferred maintenance.

What's the Best First Upgrade on a Limited Budget?

Air sealing and attic insulation. It's lower cost relative to its impact, produces the fastest payback, and makes every other system in the home work more efficiently as a result.

Contact The Joan Killian Everett Company Today

Whether you're improving a home you plan to stay in or preparing a property for Hickory's market, the right energy efficiency upgrades make a real difference in how the home performs and how buyers respond to it.

Ready to learn more? Reach out to us at The Joan Killian Everett Company. We're here to help you think through what's worth doing and where to start.

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