The Blog

Not many people know what the stack effect is, but that doesn’t stop it from being one of the most common problems homeowners in the Saint Cloud and Minneapolis area can face. Specifically, the stack effect occurs when dense, cold air seeps into the lower levels of a building and pushes the less dense, hot air up and out of

For many homeowners living in the Minneapolis / Saint Cloud region, winter brings with it the threat of high energy bills. Many people find that just attempting to keep their homes warm in the winter means running their heating systems day-in, day-out, which can get rather costly, and fast. While there are countless things that you can do in order

Insulation is key to an energy efficient home. By adding a layer of protection against outdoor air, spray foam is one of the highest-performing insulation options available. For homeowners in the Saint Cloud area, RetroGreen Energy is here to help you make a strategic upgrade with spray foam insulation. What is Spray Foam Insulation? Spray foam insulation is a spray-applied

If there’s one thing that just about every homeowner in Minneapolis and Saint Cloud can agree upon, it’s that it’d be nice to save money on energy bills. A lot of people don’t realize how high energy bills come about in the first place, yet there are a number of different things that can factor into this. Often overlooked is

It may seem difficult to identify the reason for cold floors during the winter, but oftentimes it is something fairly simple and easy to correct. For instance, if your attic is not properly insulated warm air will escape out of the top. This causes cold air to be drawn in from your crawlspace underneath the floors and, in turn, causes

Yes, old man winter is nearly three months away, but if you do any shopping this week you’ll notice fall décor on sale already and Christmas items everywhere in the aisles. Winter is just around the corner! So along with raking leaves and harvesting tomatoes, homeowners should be planning to winterize their homes. Aim for the next few weekends while

Ever wonder how much coal is being burned to keep your home cooled with air conditioning in the summer? Wonder no more. EnergySavvy has an infographic that visualizes the coal it takes to keep an average home in the Southeastern U.S. comfortable with air conditioning, compared to the same house with an energy efficient air conditioner, and the same house

Many post and frame buildings have been insulated with Fiberglass insulation. This process was better than nothing however now many of these poorly insulated buildings are in need of a tune-up. Because of the fact that the metal sheathing has many penetration points through holes and mis-aligned laps in the siding, this leakage has been known to severely de-value the

RetroGreen Energy specializes in the science of how to fix all of the insulation, ice dams, heat loss and gain problems with existing buildings. Many insulation contractors do not have a full understanding of the very important details surrounding building science that are explained in this video.

Winter’s coming. It’s already heating season. So how do you save money on heating costs? You’ve got to own your heat. Simple as that. You’ve paid for all that warm air already, so it doesn’t make much sense to waste it now. A simple enough premise – it’s the application that gets complicated. We (and most building science experts) strongly