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TRUSTED BY DOWAGIAC, MI HOMEOWNERS

  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon59
    Verified heating oil services reviews

Verified Reviews for Heating Oil Service pros in Dowagiac, MI

*The Angi rating for Heating Oil Service companies in Dowagiac, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

*The HomeAdvisor rating for Heating Oil Service companies in Dowagiac, MI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

Last update on October 22, 2025

Find Heating oil pros in Dowagiac

Avatar for Geothermal Specialist, Inc.

Geothermal Specialist, Inc.

5427 N. 300 E.
4.59(
24
)
•Approved Pro

Geothermal Specialist, Inc.

5427 N. 300 E.
4.59(
24
)
•Approved Pro
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
42 years of experience

Geothermal Specialist, Inc. has serviced & installed close to 3000 geothermal systems in NW Indiana and SW Michigan since 1983. No one else in NW Indiana has the experience & service you'll find at GSI.

"They go out of their way to make sure the customer is happy."

Jacob S on March 2022

Geothermal Specialist, Inc. has serviced & installed close to 3000 geothermal systems in NW Indiana and SW Michigan since 1983. No one else in NW Indiana has the experience & service you'll find at GSI.

"They go out of their way to make sure the customer is happy."

Jacob S on March 2022

Avatar for Petro Plumbing & Mech.

Petro Plumbing & Mech.

3111 Red Clover Road
4.71(
7
)

Petro Plumbing & Mech.

3111 Red Clover Road
4.71(
7
)
Customers say: Quality work
29 years of experience

Petro Plumbing is a family owned business with over 20 years of experience in residential, commercial, and industrial plumbing. From drain cleaning to bathroom remodeling to industrial builds, there's no project too big or too small.

"Petro Plumbing & Mechanical are the quintessential professionals."

Matthew W on February 2021

Petro Plumbing is a family owned business with over 20 years of experience in residential, commercial, and industrial plumbing. From drain cleaning to bathroom remodeling to industrial builds, there's no project too big or too small.

"Petro Plumbing & Mechanical are the quintessential professionals."

Matthew W on February 2021

Heating Oil questions, answered by experts

You can expect a geothermal system to last for years. According to the Department of Energy, the underground infrastructure for the heat pumps lasts about 25 to 50 years, which includes the pipes buried in the soil. The actual heat pump itself has a life span of around 25 years.

Most maintenance checks take 2-5 hours, though extensive repairs may take longer.

Yes, including optimizing settings and suggesting upgrades if needed.

Service costs range from $200 to $1,500, depending on maintenance needs, system age, and labor.

NATE-certified technicians may charge slightly higher service fees compared to non-certified technicians. This is because NATE certification signifies a higher level of expertise and professionalism, often leading to more efficient and effective HVAC repairs and installations. While the upfront cost may be marginally higher, NATE-certified technicians can potentially save you money in the long run by reducing energy consumption, preventing frequent breakdowns, and extending the life span of your HVAC system. When looking for a local HVAC company to hire, it never hurts to ask about NATE certifications.

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