Why Air Sealing and Insulation Work Better Together in Minnesota Homes Here’s a mistake we see constantly: a homeowner insulates their attic to R-60, but then complains it’s still cold. Or they seal air leaks in the rim joist but don’t follow up with insulation, and their floors are still cold. They’ve done half the job. To understand why, you
Why Your Cold Floors Start in the Rim Joist: 5 Problems Minnesota Homeowners Must Fix
If you’ve ever wondered why your floors feel ice-cold in winter despite cranking up the thermostat, the answer might be hiding in plain sight. The culprit is often a narrow band of wood called the rim joist, and rim joist insulation Minnesota homeowners overlook is one of the biggest energy thieves you’ve never heard of. Most homeowners focus on attic
2025 Minnesota Insulation Rebates & Energy Tax Credits Guide
As energy costs climb and sustainability becomes a priority, 2025 presents an unprecedented opportunity for Minnesota homeowners to invest in energy-efficient insulation upgrades, and get paid to do it. Thanks to a powerful lineup of federal, state, and utility rebate programs, improving your home’s comfort and reducing your carbon footprint has never been more affordable. At RetroGreen Energy, we’re not
How Air Sealing is Powerful for Insulation Efficiency
If your home still feels drafty even after adding insulation, you’re not alone. Many Minnesota homeowners face this exact issue — especially those with older homes or outdated building materials. The truth is, insulation without air sealing is like wearing a heavy coat with the zipper undone. Heat escapes, cold creeps in, and your energy bills go through the roof.
How to Prevent and Remove Fall Allergens in Your Home
The days are getting shorter, and although the changing colors and falling leaves are beautiful to look at, many people need to catch a glance through sniffles and sneezes. Spring is the biggest insurgent of allergies for most, but fall can be equally as bothersome. While you might be expecting to encounter a few fall allergens as you enjoy the
Controlling and Preventing Spring Mold Growth in Your Home
Spring is the season of new growth. The grass is growing again, flowers a jetting out of the ground, and trees are budding. In Minnesota, this also means the last of the snow is melting (or still falling, depending on the day) and ice-covered lakes and rivers are exposed again. All this extra moisture has the opportunity to grow more
Six Tips to Improve Your Home’s Indoor Air Quality
The quality of the air in your home is determined by a few factors–mainly your home’s HVAC system. All indoor air has the opportunity to become polluted–especially this time of year when mold growth is rampant and allergens are on the move. You might notice low indoor air quality through strange smells, a heavier than normal feeling, or worst of
Say Goodbye to Window Condensation
Do you notice condensation on your windows during the winter? You might think condensation on your home’s windows is just a normal part of the cold weather routine, but it certainly doesn’t need to be. Condensation isn’t just an annoyance; it can be damaging to your home, from rotting wood and damaging plaster, to bringing excess moisture into the home.
Importance of Air Sealing and Insulating your Home
Why pay such high costs to treat and heat the air in your home if it’s escaping anyway? The U.S. Department of Energy reports that as much as 30% of heating and cooling costs can be contributed to air leakage. Creating an air seal (a seal that prevents the passage of air or vapor) is the solution, and it’s simpler
Air Sealing & Weatherization to Reduce Allergy Symptoms
For many people living in and around the Minneapolis and St. Cloud area, spring is the time of year that signifies long, warmer days. Some, however, associate the spring months with an onslaught of seasonal allergies, and these individuals are currently in the throes of constant headaches and sneezing. Escaping to the indoors is often thought of as a solution,
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