WHO we ARE
Our highly qualified team of individuals has now spent nearly 30 years servicing Portland and the surrounding communities. We take pride in our constant demand for quality and in the personal relationships we develop with our customers.
QUALITY AND PERSONAL RELATIONSHIPS
WITH OUR CUSTOMERS
THE ESI DIFFERENCE
ESI combines decades of industry experience with cutting-edge training to ensure customers receive the best products and services available. Serving Portland, MI, for nearly 30 years, ESI prides itself on developing strong, personal relationships with clients and maintaining a highly certified team focused on excellence.
JOIN OUR TEAM!
WHY CHOOSE
GEOTHERMAL HEATING?
Our systems qualify for many utility company rebates and the current 30 percent, no cap, federal tax credit.
SAVE
WITH ESI
The Energy Savings Agreement program offers ESI customers peace of mind that their equipment is not only running correctly but also running as efficiently as possible.
ESA holders can expect indoor comfort, fewer repairs, lower utility bills, extended equipment life, and assurance that their equipment is operating safely. ESA customers receive priority service, including benefits like 24/7 emergency service, no overtime diagnostic fee, and a 15% discount on all repairs.

QUALITY, DURABLE HVAC SYSTEMS
The Amana brand has long been an American legacy. And the same commitment to quality and innovation behind Amana brand home appliances goes into Amana brand heating and air conditioning equipment.
THE LATEST NEWS AND TIPS
What’s That Smell Coming From My AC at Startup?
As the temperatures begin to rise in Portland, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?
CONTINUE READINGWhen Do I Replace My Air Conditioner in Portland?
Sometimes, life moves incredibly fast. You could have sworn you just bought your air conditioner. But lately, it doesn’t seem to be working so well.
CONTINUE READINGSpring AC Maintenance Tips
Spring is finally arriving in Michigan! The days are getting longer, the flowers are blooming, and you’re probably already thinking about dusting off the patio furniture or tackling that messy garage.
CONTINUE READINGWE’RE A PART OF THE
PORTLAND COMMUNITY
Giving back is our way of thanking our customers and the surrounding communities. Showing that we appreciate them for trusting us to come into their homes and provide a service.
“From what we get, we can make a living; what we give, however, makes a life.” -Winston Churchill