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
Foundation Insulation for Minnesota Homes: The Hidden Energy Drain Under Your Feet
Foundation Insulation for Minnesota Homes You probably don’t think much about your foundation. It sits below grade, out of sight, supporting everything above it. But if you have cold floors, drafty living spaces, or heating bills that seem higher than they should be, your foundation might be the culprit. More specifically, what’s (or isn’t) insulating your foundation probably is. Minnesota
Why Minnesota Crawl Spaces Need More Than Fiberglass Batts
Why Minnesota Crawl Spaces Need More Than Fiberglass Batts If you’ve ever looked under your Minnesota home and noticed loose fiberglass insulation draped across the floor joists, you’re not alone. For decades, fiberglass batts were the standard solution for crawl spaces. But here’s what most homeowners don’t realize: crawl spaces in Minnesota require a fundamentally different approach than attics or
Home Energy Audit Guide
What is a Home Energy Audit? A home energy audit is a comprehensive assessment of how your home uses and loses energy. Using specialized diagnostic tools, a certified building analyst evaluates your home’s insulation, air sealing, moisture levels, and air quality to identify exactly where problems exist. Think of it as a physical exam for your house. Instead of guessing
What is a Blower Door Test?
What is a Blower Door Test? A blower door test is a diagnostic tool that measures how much air leaks in and out of your home. It’s the gold standard for evaluating a home’s airtightness and is now required by Minnesota building code for new construction. For existing homes, a blower door test reveals hidden air leaks that are costing
Last Chance for Federal Insulation Tax Credits Before December 31, 2025
Minnesota Homeowners Have Just Months Left to Save Up to $1,200 Time is running out. Federal insulation tax credits that can save Minnesota homeowners up to $1,200 on energy-efficient upgrades will expire forever on December 31, 2025. With winter approaching and only a few months remaining, now is the time to act. The window that once extended through 2032 was
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
Energy Savings with Wall Insulation
Why Energy Efficiency Starts with Your Walls Reducing energy consumption in your home is not just about cutting costs, it’s also about improving comfort and reducing your environmental footprint. Among the various ways to enhance a home’s energy performance, wall insulation stands out as a key component. A well-insulated home prevents heat from escaping in the winter and entering in
Why You May Need to Redo the Insulation in Your Aging Home
Older homes often have poor Indoor Air Quality. Aging materials and outdated construction practices offer little to pest control, air sealing, moisture control, and other important air quality measures. Air leaks, unwanted moisture, and even pests can enter your home through the attic, crawl spaces, or unsatisfactorily seals in your home. It is possible to redo the insulation in your
How to Save Energy and Reduce Utility Costs This Summer
The higher temps and humidity spikes for summer have returned again. Each year, Minnesotans find themselves thankful to be rid of winter, then slowly dreading venturing outside in the high summer heat. If you haven’t already, it’s important to make a plan for yourself and your family to combat the summer sun without driving up your energy usage! Follow these