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TRUSTED BY THREE OAKS, MI HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon68
    Verified heating oil services reviews

Verified Reviews for Heating Oil Service pros in Three Oaks, MI

*The Angi rating for Heating Oil Service companies in Three Oaks, 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 Three Oaks, 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 19, 2025

Find Heating oil pros in Three Oaks

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 5 Star Heating and Air Conditioning

5 Star Heating and Air Conditioning

1744 Joni Lane
4.88(
8
)
•Approved Pro

5 Star Heating and Air Conditioning

1744 Joni Lane
4.88(
8
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
28 years of experience

Five Star Heating and Air Conditioning, has been in business since 1997. We take great pride in our quality of work and excellent customer service. Call today for all your heating and air conditioning work.

"Whenever you have a need for an HVAC company, 5 star is the company to call. They are professional, courteous, and knowledgeable of their work and the equipment in question. When I had a new furnace and central air system installed they advised me on what was best for my home the size of the space being heated and or cooled. Not what they could sell me that was larger than I needed. This company is reputable and honest. Call them the next time you need any and all HVAC service. You won't be disappointed."

Christopher W on November 2024

Five Star Heating and Air Conditioning, has been in business since 1997. We take great pride in our quality of work and excellent customer service. Call today for all your heating and air conditioning work.

"Whenever you have a need for an HVAC company, 5 star is the company to call. They are professional, courteous, and knowledgeable of their work and the equipment in question. When I had a new furnace and central air system installed they advised me on what was best for my home the size of the space being heated and or cooled. Not what they could sell me that was larger than I needed. This company is reputable and honest. Call them the next time you need any and all HVAC service. You won't be disappointed."

Christopher W on November 2024

Michiana Heating and Air Conditioning

50880 IN-933
4.75(
8
)

Michiana Heating and Air Conditioning

50880 IN-933
4.75(
8
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Michiana Heating & Air Conditioning, formerly Garwood, is a local and family owned company. We have over 20 years experience in the HVAC Industry. We are the largest Residential Carrier dealer in the Michiana area. Multiple Financing options available. Additional contact name - Janet Lassen. Additional email - [email protected].

Michiana Heating & Air Conditioning, formerly Garwood, is a local and family owned company. We have over 20 years experience in the HVAC Industry. We are the largest Residential Carrier dealer in the Michiana area. Multiple Financing options available. Additional contact name - Janet Lassen. Additional email - [email protected].

Heating Oil questions, answered by experts

There are several common types of HVAC systems that you may have, including split systems, hybrid HVAC, duct-free systems, packaged heating and air, geothermal heating, or even portable units for heating or cooling. If you aren’t sure which type is in your home or are looking to install something different, you should consult an HVAC pro to determine which option is right for your heating and cooling needs.

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.

You need to service an HVAC system about twice per year, with a service including an inspection and basic maintenance. It’s best to schedule maintenance in the spring (after the furnace has been running and before the AC kicks on) and in the fall (after the AC worked hard all summer and before winter’s first chill arrives). 

Regular HVAC services will keep the system working as efficiently as possible, saving you money on utilities and larger repairs. HVAC maintenance costs around $250 per visit, while bigger repairs from forgotten upkeep could cost thousands.

The most obvious downside is the high upfront cost of buying and installing one of these systems. Additionally, sometimes the system can take a longer time to heat than alternatives like a boiler. Also, if something goes wrong with the geothermal pump, repairs are often significantly more expensive than repairing traditional, above-ground heat pumps.

Yes, geothermal heat pumps are worth the money. You can save about 70% on heating costs in the winter and around 50% on cooling costs in the summer with a geothermal heat pump compared to a traditional HVAC system. Over time, your savings on monthly utilities will pay for the cost of the geothermal heat pump installation. If you have an incredibly small yard, however, you may not have enough space for this type of system.

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