Meet the Team

Lupe Mandujano

Dr. Energy Saver N.E. Illinois

Title: Certified Energy Technician

Lupe Mandujano from Dr. Energy Saver N.E. Illinois

Company Awards

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Dr. Energy Saver Network Recipients of the Quality Improvement Award
Dr. Energy Saver Network Recipients of the Quality Improvement Award

Case Studies I've worked on:

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Before and after photos from jobs I've worked on:
  • Attic Insulation in Wilmette, IL
    Before
    Attic Insulation in Wilmette, IL
    After

    Attic Insulation in Wilmette, IL

    This homeowner did not know what was going on in the attic until we went up there during our whole home evaluation. They were very surprised to see the amount of organic growth on the roof deck along with the lack of insulation, ventilation, and all the holes in the building envelope. They hired us right away and we took care of it for them at a great price. Another satisfied customer!

  • Proper Air Sealing and Attic Insulation in Winnetka, IL
    Before
    Proper Air Sealing and Attic Insulation in Winnetka, IL
    After

    Proper Air Sealing and Attic Insulation in Winnetka, IL

    Even mild winters and summers were uncomfortable for this homeowner because her house was leaky with not enough Insulation. Not anymore! We air sealed and insulated to R-60 and now she has the best-insulated home on the block!

  • Crawl Space Encapsulation in Highland Park, IL
    Before
    Crawl Space Encapsulation in Highland Park, IL
    After

    Crawl Space Encapsulation in Highland Park, IL

    Dr. Energy Saver's team was able to improve the quality of a Highland Park, IL home with a Crawl Space Encapsulation.  Contact us today for a free price estimate! 

  • Crawl Space Insulation in Lake Forest, IL
    Before
    Crawl Space Insulation in Lake Forest, IL
    After

    Crawl Space Insulation in Lake Forest, IL

    Installing CleanSpace 20mil barrier in your home ensures a healthier, cleaner, home free of musty smells and creates a safer and much more energy efficient home.

  • Basement Air Sealing in Lake Bluff, IL
    Before
    Basement Air Sealing in Lake Bluff, IL
    After

    Basement Air Sealing in Lake Bluff, IL

    The homeowner noticed an immediate difference and no more critters getting in the house!

    Air sealing your rim joists can save you energy and money on your utility bills TODAY!

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