About IWI


Climbing to New Heights of Service & Satisfaction

In 1981, we started forging a path to energy efficiency through Eastern Washington. Our reliable, expert approach has led us far beyond to now providing a host of home improvement services across four states. We are licensed, bonded and insured to ensure that we maintain our good reputation and service for decades to come.


On the Map

We have five hubs to serve you: Wenatchee, Yakima, SpokaneKennewick and Vancouver. Our service area has branched out over the years and now extends past Eastern Washington to include Idaho, Oregon and Utah. Give us a shout and we’ll promptly send a team out your way.

Contact Us Today To Get Started