Meet Our Challenge Contractors



The companies listed below are Focus on Energy Trade Ally contractors who partner with Focus on Energy to delivery Home Performance with ENERGY STAR Whole Home energy efficiency assessments and installation improvements.  

On Site Performance Testing

On Site Performance Testing is a consulting company with over ten years experience assisting homeowners and helping them better understand how to improve the energy efficiency of their homes by using data supported by testing including: blower door testing, infrared scanning, combustion safety testing and ventilation system checks. The blower door tests for the air leakiness of your home and during the test depressurizes the home. The infrared camera detects where leaks occur in walls and where there is a lack of insulation. The recommendations are listed in a detailed report along with photos of your home identifying areas of concern and provides you with available incentives through the Focus on Energy and Xcel Energy programs. For more information, visit

Rock & Tait Exteriors
Rock & Tait Exteriors is a company that takes a whole-home approach to serving their customers. They diagnose problems, deliver top quality solutions, and are committed to building long-term relationships. From cost-saving insulation and air sealing, to exteriors for curb appeal and yard enjoyment, to remodel and everything in between, Rock & Tait Exteriors' unique approach and non-rotating, professional team area creating comfortable family spaces. Rock & Tait is a trusted partner for hundreds of homeowners over the years. They were awarded Focus on Energy's 'Most Savings Per Project' recognition and was able to achieve that award by completing each homeowner's project above and beyond the standard minimum. For more information, visit

C.S. Construction
C.S. Construction, the Department of Energy's 2018 Contractor of the Year, is a general contractor specializing in construction and remodeling. Their services include insulation improvements as well as roofing, siding, remodeling, kitchens and bathrooms. C.S. Construction is a participant in Focus on Energy's Home Performance with ENERGY STAR Program. The company incorporates energy efficiency in every job they do and strives to obtain the highest energy saving possible for their customers. For more information, visit

Energy and Weatherization Solutions, LLC (E.W.S.) has been an Allied Contractor with the Focus on Energy program since it's inception. The majority of our business during that time has been in the LaCrosse area. You have probably seen our trucks around the city! We specialize in Whole Home Performance. We have over 50 years combined experience in the Whole Home Performance field including insulating, air sealing, attic ventilation and interior air quality control. ENERGY AND WEATHERIZATION SOLUTIONS, LLC is a local family owned business priding itself on the highest standards of professional workmanship with the latest and best industry technology. We strive to take the stringent requirements of Focus on Energy, Xcel Energy and the City of LaCrosse to the next level. We are very excited to be a part of this program! For more information call(608)250-9642

At A Plus Insulation Services, we’re proud to be a Focus on Energy Trade Ally.  Focus on Energy is Wisconsin utilities’ statewide energy efficiency and renewable resource program.  Homeowners that qualify and may also be eligible for rebates through Focus on Energy to help counter the cost of insulating and making their home more energy-efficient.  Improving the energy-efficiency of your home can help reduce heating and energy costs throughout the year.  Give us a call today to see how Focus on Energy and A+ can help you pay for energy efficient upgrades to your home. For more information visit

First American Roofing & Siding, Inc. has been recognized as the La Crosse Area’s industry leader in exterior renovations since 2005. They are committed to providing excellent workmanship with an emphasis on following the manufacturer’s guidelines. First American is known for their excellent customer service, attention to detail and honesty from inspection through completion. They offer Roofing, Siding, Insulation, Windows and More. For more information, visit or call 608-783-3101

Ultimate Insulation (Nu.Wool) has been in business locally for over 17 years. We are owner workers, and have been trade allies with focus on energy for years. Ultimate Insulation is the most trusted company for insulation installs and improvements. Call Blair or Ron today at 608-386-1711

Alternative Resource Management is a home performance testing company that has worked with the Focus on Energy program for over ten years helping homeowners improve the comfort, durability and safety of their homes.  We perform a blower door test with infrared scanning on every home we test.  We also evaluate ventilation systems as well as doing combustion safety testing on HVAC systems and other fuel burning appliances.  The detailed report generated from this test is the first step in improving the energy efficiency of your home.  We work with the insulation contractors who will be making the improvements and come back to retest the house after the work is done to ensure that it was done correctly.



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