It’s February in Maryland, and if you’re like most homeowners, you can probably feel it.
The freezing temperatures aren’t just outside, they’re sneaking in around your entry door. You can feel that cold spot near your patio slider. You can hear the whistling sound when the wind picks up.
You crank up the thermostat a few degrees, and your heating bill climbs right along with it. What most of us convince ourselves of, though, is that this is temporary. However, come late spring and summer, that same drafty door costing you money right now will cost you just as much when you’re trying to keep the cool air in.
Energy-efficient doors aren’t just a winter solution. They’re a year-round investment that pays dividends in every season. From battling February’s freezing temperatures or July’s sweltering heat, the right door—properly installed—can transform your home’s comfort and reduce your energy costs. And with Johnson Lumber’s selection of premium brands like Marvin, Therma-Tru, and Masonite, plus our professional installation services, you can stop the energy loss now and reap the benefits for decades to come.
The Winter Case – Stop the Drafts Today
Let’s address the immediate problem: your doors are making your home uncomfortable and expensive to heat right now.
Old or poorly installed doors lose energy in three main ways:
- First, air leaks around the frame where the door meets the wall.
- Second, the door material itself may lack proper insulation, essentially creating a cold panel in your wall.
- Third, worn or missing weatherstripping allows cold air to flow freely underneath and around the edges.
The impact is immediate and measurable. According to energy efficiency studies, doors and windows together can account for up to 30% of a home’s heating and cooling costs.
When your heating system has to work overtime to compensate for cold air infiltration, you’re quite literally watching your money blow away in the winter wind.
What makes a door energy-efficient in winter?
- Insulated cores: Foam cores in fiberglass and steel doors provide a thermal barrier against the cold
- Quality weatherstripping: Multi-point sealing systems keep conditioned air inside where it belongs
- Proper installation: Even the most expensive door will underperform without correct shimming, sealing, and adjustment
Fiberglass doors like those from Therma-Tru (the name really does say it all) combine superior insulation with durability. Steel doors offer excellent insulation properties while providing added security. But here’s the piece many homeowners overlook: the door is only as good as its installation. Our team understands Maryland’s climate and knows how to ensure your door performs exactly as designed.
The Summer Surprise – Doors Work Both Ways
Here’s where the real value proposition becomes clear: the same insulation that keeps February’s cold air out will keep July’s hot air out too. Your door doesn’t care which direction the temperature differential runs. It simply maintains the barrier between your controlled indoor environment and whatever nature’s throwing at you outside.
Maryland summers are chock full of high humidity, intense sun, and temperatures regularly pushing into the 90s, meaning your air conditioning system works hard to keep your home comfortable. When you have drafty, poorly insulated doors, you’re essentially air conditioning the outdoors (yes, we can practically hear our mom shouting!).
How your new door saves money in summer:
- Heat transfer prevention: That insulated core in your Masonite or Therma-Tru door blocks heat just as effectively as it blocks cold
- Weatherstripping works both ways: The same seals keeping frigid air out in February keep cool air in during June
- Ventilation without sacrifice: Screen doors from Screen Tight and storm doors from Larson let you enjoy fresh air without bugs or efficiency loss
- UV protection: Quality exterior doors help preserve your flooring and furnishings from sun damage
- Indoor-outdoor flexibility: Marvin’s sliding door options create beautiful living spaces while maintaining energy efficiency when closed
The proper weatherstripping keeping cold out now will keep cool air in come June. Marvin’s multi-slide and lift-and-slide designs offer versatility for modern living while maintaining the energy performance you need year-round.
The Long-Term Investment
Energy savings compound year after year. A quality door from a reputable manufacturer can easily last 20 to 30 years or more with minimal maintenance.
That’s potentially three decades of reduced heating and cooling costs, season after season.
The benefits extend beyond your utility bills:
- Increased home value: Energy-efficient upgrades are among the most attractive features to potential buyers
- Enhanced curb appeal: An attractive, well-functioning entry door makes a powerful first impression
- Reduced maintenance: Fiberglass doors won’t rot or warp and steel doors maintain structural integrity through Maryland’s temperature swings and humidity
- Decades of performance: Quality doors from brands like Simpson and Marvin are built to last a generation or more
At Johnson Lumber, we’ve been serving the Maryland community since 1921. We understand our local weather patterns, from humid summers to icy winters, and we know which doors perform best in our climate. Our expertise, combined with professional installation, ensures you get maximum efficiency and longevity from your investment.
What Johnson Lumber Offers
Here are just a few of the high-quality exterior doors we offer at Johnson Lumber:
Marvin Exterior Doors represent the pinnacle of quality craftsmanship.
Their entry doors deliver security without sacrificing style. Your entryway is where you welcome friends and family, and it deserves to make a statement while keeping your home comfortable and efficient. Marvin’s sliding door options, from multi-slide to bi-fold designs, offer versatility for modern living while maintaining the energy performance you need year-round. You can see more of their offerings here.
Fiberglass options from Therma-Tru and Masonite are hard to beat for pure energy efficiency.
These doors resist rot and warping, making them ideal for Maryland’s climate extremes. Modern fiberglass doors beautifully mimic wood grain aesthetics while requiring virtually no maintenance. They’re engineered specifically for thermal performance, with insulated cores and advanced weatherstripping systems that keep your home comfortable in every season.
Steel exterior doors combine durability with excellent insulation properties. Available in various styles including 9-light, 6-panel, and flush designs, steel doors offer the added benefit of superior security while maintaining energy efficiency. We carry options at multiple price points, so you can find the right balance of features and budget for your needs.
For those who prioritize natural beauty, wood doors from Simpson, Woodgrain, and Rogue Valley bring classic warmth and elegance.
But don’t think wood means sacrificing efficiency. Today’s wood exterior doors are engineered with modern features for energy performance and weather resistance. Simpson, a company even older than Johnson Lumber, produces tried-and-true doors built to last. Woodgrain continually improves their design and construction standards. Rogue Valley, crafting doors in Oregon, showcases natural wood beauty with handcrafted quality workmanship.
Don’t overlook the details that complete your door system. Larson storm doors add an extra layer of protection and efficiency, while quality hardware from brands like Schlage, Kwikset, and Baldwin ensures proper sealing and security. Professional installation includes proper weatherstripping and careful attention to creating an airtight seal.
Why The Winter Is A Good Time To Replace Your Exterior Doors
February might seem like an odd time to think about door replacement, but it’s actually ideal. Install now and you’ll enjoy immediate savings on your heating bills for the remainder of winter. More importantly, you’ll be ready when the cooling season arrives. Get a jump on the busier spring season and schedule installation at your convenience.
Visit our showrooms in Edgewater or Millersville to see and touch these doors in person. Our expert staff can assess your specific needs, discuss your aesthetic preferences, and recommend the best options for your home and budget. For any questions ahead of time, you’re welcome to send a message to our experienced sales staff here!
