Top-Rated Heating & Cooling Services
in Portland & Greater Lansing
Call our cooling experts today!
Proudly serving Portland, Dewitt, Grand Ledge, the Greater Lansing area and the surrounding communities.
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.
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 Should I Set My Thermostat to for Comfort and Savings?
Thermostats are small but mighty.
Consider, for example, the tiny temperature box on the wall in your Portland, MI, home. It turns your temperature preferences into pure comfort during hot summers and frosty winters, all while keeping skyrocketing energy bills at bay.
Upgrading Your Ventilation System for Modern Building Standards
If you’ve ever walked into a building that felt stale, stuffy, or oddly humid—or maybe it’s your own—you’ve experienced firsthand how important ventilation really is. As building standards evolve, upgrading your ventilation system has become less of a luxury and more of a necessity. explores what modern ventilation upgrades look like, why they matter…
5 Reasons Why Regular HVAC Maintenance is Essential for Ionia County
According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.
WE’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
