ESI Heating and Cooling vehicle for HVAC service in Portland, MI, and the Ionia County area.

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.

Collage of ESI Heating and Cooling employees and families.

QUALITY AND PERSONAL RELATIONSHIPS

WITH OUR CUSTOMERS

“Had a new furnace, air conditioner , and water heater installed. The guys at ESI did an excellent job with the install. Very neat and clean. The service was prompt. They showed up when they said they were going to. You can tell they take pride in their work. I highly recommend ESI.”
- Eric H.

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?

  • Lower operating costs: Savings up to 70 percent.
  • Safe and clean: No fossil fuels, odors, or carbon monoxide to worry about.
  • Comfortable: Gone are the uneven temperatures you can find with ordinary furnaces.
  • Flexible: No matter your home size or location you have many options for your closed loop location or water discharge.
  • Environmentally friendly: Our systems harness the “free,” renewable energy in your own backyard and emit no carbon monoxide, carbon dioxide, or other harmful greenhouse gasses.

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.

ESI's partnerships and awards logos.
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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.

Amana heating and cooling equipment.

THE LATEST NEWS AND TIPS

Your HVAC System Can Enhance Sleep. Asian women She is in bed and was waking up in the morning. She felt very refreshed.

Your HVAC System Can Enhance Sleep

07/16/2025

The sound of a well-maintained heating, ventilation, and air conditioning (HVAC) system is like a lullaby for a good night’s sleep.

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Home inspection of central air unit by a maintenance worker.

5 Reasons Why Regular HVAC Maintenance is Essential for Ionia County

06/20/2025

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.

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Father and child in front of electric fan on hot summer day.

Prepare for Hot Weather With an Air Conditioning Tune-Up

06/10/2025

ESI Heating & Cooling can keep your air-conditioner (AC) running efficiently, no matter how high the outdoor temperature rises.

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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

WE SERVICE ALL BRANDS