Replacement Windows

Check out the only replacement window – ENPS 3-in-1 Passive Solar Windows – that provides an energy GAIN! At ARC Contracting we offer ENPS Premium Windows; these replacement windows offer revolutionary window technology making them the industry’s only free window. All other insulated windows reduce energy loss.
Many homeowners understand that a vast majority of your energy escapes through your windows and doors. You can lose up to 70% of your heat and 46% of your air conditioning with inferior windows. With the ENPS 3-in-1 Passive Solar Window, you can keep your energy.

Revolutionary Polymetric Frame & Sash Replacement Windows

Our formulation provides unsurpassed maintenance freedom, the ability to add architectural detailing is structurally sound, and most importantly, is recognized for its insulating and green-system qualities.


  • Polymetric formulation
  • Non-porous
  • Non-yellowing
  • High impact resistance
  • Very low maintenance
  • Architectural detailing
  • Solid lock and hardware attachment
  • Insulated frame & sash

Watch our “Lifetime Warranty on Glass Breakage and Screen Replacement” Video

Foam Filled Frame Replacement Windows


Would you buy a home with no insulation?

Then why would you buy a window with a window with a non-insulated frame? Check out these R ratings for the following types of replacement windows found in homes throughout Appleton, Green Bay, Oshkosh and surrounding areas in Wisconsin.

  • Aluminum – R.01
  • Wood – R1
  • Fiberglass – R2
  • Hollow Vinyl – R2
  • ENPS – R24

“The whole is greater than the sum of all its parts” – Aristotle

  1. Complete fusion welding
  2. No weep holes
  3. Continuous interlock – sill & sash
  4. Foam
  5. 3/4” constant force balance system
  6. Lexan™ night latch
  7. Recessed pocket header

These equal the industry’s lowest air infiltration which means you save money monthly on your heating and cooling bills.

The AAMA (American Architectural Manufacturers Association) says the industry standard for air leakage is .30 CFM (.30 CFM = 2.25 gallons of air leakage per minute per window).

  • Traditional wood windows found in residential homes is .23 CFM
  • High-Performance Vinyl found in residential homes is .15 CFM
  • Most ENPS windows meet .01 CFM

The lower the CFM rating, the better – the less air leakage.


AAMA Gold Certification ensures that the window you receive is as good as the window that was tested!

Triple Glazed – Argon Replacement Windows



ENPS Glass Pack Replacement Windows

15% of your exterior wall is your window glass.

Minimum Energy Requirements

  • R19 in the wall
  • R38 in the attic

Standard Glass Configurations are:

  • – Single Pane
  • – Double Pane
  • – Low E
  • – Low E/Argon

You need better.

Check out our windows that are triple glazed – a 3 in 1 window.

Installing ENPS is like having 2 High-performance windows installed in every opening. Plus our: Passive Solar Technology that gives TWICE that of a Double-Glazed Window –

  • 2 – Dead Air Spaces
  • 2 – Spacer Systems
  • 2 – Low E Surfaces
  • 2 – Gas Chambers

The Best Replacement Windows for Appleton, Green Bay, and Oshkosh Areas

ENPS Passive Solar Technology replacement windows bring an energy gain to homeowners in Wisconsin. The power of the sun is free! With the best replacement windows, you can harness the immense power of the sun to heat your home for free with the amazing ENPS 3 in 1 Passive Solar Window!

Revolutionary Passive Solar Technology

Passive Solar Window Energy Rating

What is ER? (Canadian Standard) ER is passive solar gain minus energy loss = Energy Rating

Heat Gain – Air Infiltration – Radiation – Conduction = Energy Rating

ER Ratings- Comparing the performance of windows with different glass packages clearly shows how ENPS 3 in 1 window will outperform all other window products on the market.

Passive Solar Gain – Heat Loss = Energy Ratings

Keep in mind that a window with an ER of zero loses as much as it gains over the heating and cooling seasons, and will have no impact on the home’s annual fuel consumption. It’s like getting your gas/oil delivered FREE for the rest of your life!

Premium Window Features

ENPS 3-in-1 Passive Solar Window

All features that add up to .19 U-Value:

  • Energy Efficient Stainless Spacer System
  • Two Panes of High-Efficiency Low-E Glass
  • Argon Gas-Filled. Eliminates using costly Krypton Gas
  • Meet EnergySTAR® Most Efficient Requirements
  • Green Award Spacer System
  • Keeps Your Home Warmer in the Winter and Cooler in the Summer
  • = U-Value .19

Spacer Systems: What are your choices?

Aluminum • Foam • Tin Plated Intercept • Stainless Steel

  • Non-Conductive
  • U-Shaped
  • TempFlexible
  • Added Security
  • Support for Double-Strength Glass
  • Poly Isobutyl Dual Seal
  • Will Not Corrode

Window condensation leads to mold growth. Children’s health problems are linked to indoor mold.

The most remarkable part of your window is something you can’t see…

Moisture Vapor Transmission Path Comparison:

Stop Seal Failure!

ENPS NS Argon 2-in-1 Gas System & 1⅛” Glass

The denser the air, the greater the insulation.

The ONLY 1⅛” Glazing in the Industry.

U .19 – The advantage of Krypton without the disadvantages.

Multiple Low-E Coatings

ENPS 3-in-1 Passive Solar Window

  • Multiple coatings of Low E in 2 air spaces. Smart technology that knows the difference between summer and winter. Stops summer heat, keeping the house cooler in the summer.
  • Reflects heat into the house in winter, while keeping the cold out. Like having 2 replacement windows in each opening.
  • Transmits almost 90% as much desirable, visible light as standard clear insulated glass.
  • Blocks 80% of damaging UV rays, keeping you and your home healthier and preventing blocks fading.

When you are looking for the best replacement windows in Appleton, Green Bay, Oshkosh or surrounding areas, contact ARC Contracting a replacement window contractor.