Keeping Energy Costs Down During Harsh Winters: Expert Tips for Homeowners

Winter in New England isn’t just cold—it’s unforgiving. Between icy winds, heavy snow, and below-zero nights, your heating system is working overtime. So are your energy bills.

But high costs don’t have to be the norm. With the right HVAC setup and some simple strategies, you can keep your home warm without burning through your wallet.

Step 1: Use the Right Heating Equipment

First things first—if you’re using a fossil fuel system (like oil or propane), you’re already at a disadvantage. These systems are not only expensive to run but often oversized and poorly controlled, leading to frequent cycling and wasted heat.

What you want instead is a properly sized, inverter-driven heat pump. The difference is night and day.

Traditional systems operate like a car that’s either fully gunned or completely off. That constant on/off cycling drives energy use way up. Inverter systems, on the other hand, adjust output to match the exact heating demand of your space. This keeps your home comfortable and drastically cuts down on energy waste.

Step 2: Keep the System Running—Don’t Shut It Off

Many homeowners make the mistake of shutting off their heat pump when leaving the house or going to bed. But these systems are most efficient when maintaining a steady temperature.

Turning them off completely forces the system to work harder to catch back up, which spikes energy use.

Instead, lower the temperature a few degrees if needed, but never turn it off entirely—especially in freezing conditions. Keeping a steady baseline temp actually costs less in the long run.

Step 3: Supplement Smartly—Don’t Overuse Electric Heaters

Portable electric space heaters might feel like a quick fix, but they’re expensive to run and often less efficient than your main HVAC system.

Instead of using them regularly, consider the following:

• Seal up cold spots with weather stripping or insulation
  
• Use zone controls with your mini split heads to concentrate heat where needed
  
• Make sure your thermostat is placed in a representative area—not next to a drafty window or in direct sun
  

Your main heat pump system, if designed well, should do the heavy lifting without needing backup heaters in every room.

Step 4: Close Windows—But Keep Air Moving

Windows are often the biggest source of heat loss in winter. Close and lock them tightly, use thermal curtains, and check for air leaks.

At the same time, don’t forget about ventilation. Stagnant air can trap humidity and cause discomfort or even indoor air quality issues.

If you’re using a ducted system with proper return air design, airflow will help keep things balanced. If not, consider running bathroom fans or HRVs for a few minutes each day to keep air fresh without pulling too much heat out.

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Step 5: Pay Attention to Humidity

Dry winter air makes your home feel colder than it really is, causing you to crank up the thermostat unnecessarily. Ideally, indoor humidity should stay between 35–45%.

Use a humidifier if needed, or make sure your system isn’t over-drying your space. Balanced humidity means you’ll feel warmer at a lower thermostat setting—saving energy and staying comfortable.

Step 6: Insulate and Seal

A properly sealed home is the foundation of efficiency. No matter how good your heating system is, it won’t help much if all the heat escapes.

Key places to check:

• Attics
  
• Basement rim joists
  
• Around recessed lighting and attic hatches
  
• Crawl spaces and knee walls
  

Mass Save and other programs often offer free insulation upgrades or weatherization assistance. Take advantage—it pays off quickly.

Step 7: Keep Filters Clean and Maintenance Up to Date

Clean filters = efficient systems. Dirty filters restrict airflow, reduce performance, and force your system to work harder.

Check filters every 30–90 days and schedule routine maintenance to ensure refrigerant levels and coils are in good shape. A well-maintained heat pump runs quietly, efficiently, and saves money every month.

Step 8: Consider Zoned Heating for Even More Control

If your system allows for it, use zoning to heat the areas you’re actually using. Mitsubishi mini splits and other ductless systems make this easy—each indoor head can be controlled independently.

By heating bedrooms at night and living areas during the day, you reduce energy waste and maximize comfort where it matters most.

Conclusion: Smart Homes Save More in Winter

The key to surviving winter without a bloated energy bill is not just what system you use—but how you use it.

Invest in a properly sized, inverter-driven heat pump. Keep it running steadily. Seal and insulate the home. Control humidity and zoning. And don’t forget regular maintenance.

When all of these factors are in sync, your HVAC system becomes a smart, silent partner in keeping you warm—and your wallet happy—all winter long.

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