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Reviewers consistently praise the contractor's technicians for their competence, friendliness, and thorough explanations during installations and system diagnostics, with multiple customers highlighting responsive service from the owner and professional workmanship on geothermal and furnace replacements. The company demonstrates reliability through long-term customer relationships, prompt response times, knowledge of system integration including smart thermostats, and attention to detail such as site cleanup after major installations.
Based on Google reviews
About the Contractor
ESI Heating & Cooling has served Portland, Michigan and the greater Lansing area for nearly three decades from its location on Abbey Road. The company brands itself as Michigan's geothermal experts and is a WaterFurnace geothermal heat pump dealer, providing ground-source heat pump design, installation, and service alongside a full range of residential and commercial HVAC. Offerings include gas furnaces, boilers, air conditioning, ductless systems, radiant floor heating, water heaters, heat pumps, and indoor air quality solutions. ESI maintains a dedicated Geothermal Knowledge Hub to help property owners evaluate ground-source systems and serves Portland, DeWitt, Grand Ledge, and surrounding Ionia County communities.
Bundle 4 audit 2026-05-28
Service Details
factory
Brands Installed
WaterFurnace
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WaterFurnace
Authorized Dealer
Regulatory Context
Geothermal Permitting in Michigan
Geothermal heat pump installations in Michigan require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
What geothermal heating and cooling services does Esi Heating offer in Portland, MI?add
Information about specific services is not available at this time. Please contact Esi Heating directly at 1218 E. Grand River Ave, Portland, MI for details about their geothermal offerings.
Does Esi Heating service the Portland area?add
Yes, Esi Heating is located in Portland, MI and serves the local area.
What should I know about geothermal system maintenance?add
Contact Esi Heating directly for information about maintenance requirements and schedules for geothermal systems.
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Thanks — we'll review your request and forward it to up to 3 verified IGSHPA installers in Portland within 1 business day. They typically respond within 1–2 business days after that.
If you need to reach Esi Heating directly: (517) 647-6906
Geothermal heat pump installations in Michigan may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
