RetroFoam injection foam, pumped into the cavities of walls built long before anyone worried about R-values, is the product that best sums up what this company does. RetroGreen Energy is a Minnesota insulation and building-science contractor, and the category this listing sits under, moving and relocating, has nothing to do with the work itself. Nobody is loading a truck with anyone's furniture here. What RetroGreen Energy does is seal, insulate, and diagnose buildings that leak heat and money, a very different trade from hauling boxes.

Services from attics to crawl spaces

The service list is deep enough that it reads like a company that has specialized rather than dabbled. Attic insulation comes paired with air sealing, because blowing cellulose over a leaky ceiling plane just insulates the leaks. For finished walls there is the RetroFoam injection method, which fills existing cavities without tearing off drywall, plus separate handling for crawl spaces, foundations, and full spray foam jobs. RetroGreen Energy also strips out old attic insulation, useful if rodents or moisture have gotten into it, and does soundproofing on the side. The through-line is building science: figuring out how a building loses heat comes before any decision about what material to install.

Diagnosing heat loss with energy audits

Where the company gets more convincing is in the problems it frames the work around. High heating bills are the obvious one in a Minnesota winter, but the site also talks about mold and moisture, indoor air quality, and ice dams, that miserable ridge of frozen melt that forms when a warm attic melts the snow above it. An insulation contractor who understands airflow can trace those symptoms back to a cause, which points toward crews thinking about the whole envelope of the house rather than one attic hatch. The energy audit RetroGreen Energy runs before quoting backs up that framing, since it puts numbers behind the diagnosis instead of a guess.

Regional offices across Minnesota

The customer base is broad enough to reassure a buyer that odd jobs get handled too. It isn't limited to single-family homes: multi-unit residential, agricultural, industrial, and commercial buildings all show up on the list, so a farmer insulating an outbuilding and a property manager dealing with a cold apartment block are both in scope. Coverage runs across the state from three bases: the Twin Cities, St. Cloud, and Duluth. Splitting operations three ways like that puts a crew within regional reach across Minnesota.

Rebates and tax credit assistance

One detail worth noting is the attention to rebates and tax credits. Insulation is one of the few home upgrades that utilities and the federal government will help pay for, and RetroGreen Energy folds energy audits and rebate guidance into the offering. The testimonials back this up: several homeowners mention getting help with the Xcel rebate paperwork after the job, the kind of follow-through that separates a contractor chasing repeat referrals from one who cashes the check and disappears.

Each of the three regional offices lists its own phone line, and there is a physical address in St. Cloud, an email, and a contact form. A homeowner in Duluth isn't funneled to a call center two hours south. Once the frost hits, insulation problems turn urgent, and a regional office nearby means a crew can reach the house without a long drive. The St. Cloud office doubles as the physical base, so RetroGreen Energy has a fixed address a customer can verify instead of a P.O. box and a cell number.

Third-party reputation outside the company's own pages is genuinely strong, and it comes from more than one source. On HomeAdvisor and Angi the overall rating sits at 4.7 out of 5, and Birdeye shows the same 4.7 across a much larger pool of 232 reviews, a large enough sample that a couple of grumpy outliers cannot skew it. Yelp carries a smaller set of 13 reviews with photos attached to the insulation listing. The BBB angle would settle it for a cautious buyer: RetroGreen Energy holds an A+ rating and is an accredited business. Even the employee reviews on Indeed, though only two of them, come in at a perfect five, a small thing but a decent sign of how the crews are treated.

The site itself handles the ordinary things well. There is a blog, which for a specialty trade usually means either abandoned filler or explanations of how insulation and moisture behave, plus reviews and testimonials pages that quote real homeowners. None of it feels padded. If anything, the weak spot is the placement of this listing, since anyone finding RetroGreen Energy under a moving heading will be briefly confused before realizing this is an insulation outfit.

Weighed against a national franchise like USA Insulation, which pushes its own branded foam through a dealer network, RetroGreen Energy has the advantage of being locally rooted with three Minnesota offices, its own audit and rebate help, and a review record built in the communities it serves. The range of work, the building-science approach, and the outside ratings all point the same direction, so a homeowner comparing quotes has enough here to put this company on the shortlist and judge the rest at the walk-through.


Business address
RetroGreen Energy
3312 Southway Dr,
St. Cloud,
MN
56301
United States

Contact details
Phone: 320-252-8888