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    Verified heating oil services reviews

Find Heating oil pros in Mystic

Avatar for Cawiamca Heating, Cooling, and Electrical

Cawiamca Heating, Cooling, and Electrical

6 Center Rd W
5.00(
45
)
Approved Pro

Cawiamca Heating, Cooling, and Electrical

6 Center Rd W
5.00(
45
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
159 local quotes requested

FULL SERVICE HEATING, COOLING, AND ELECTRICAL SERVICES. CERTIFIED COLD WEATHER HEAT PUMP INSTALLER -- REBATES AVAILABLE!! Cawiamca Heating, Cooling and Electrical-- Offers top quality heating & cooling & electrical services. Professional Service and Guaranteed Quality Workmanship. Cawiamca is a trusted, BBB A+ Rated Contractor serving the Connecticut Shoreline since 2014.

"Outstanding company and outstanding work performance. Out of many estimates, Cawiamca offer came by e-mail in 24 hrs from the visit. After few clearing Q&A, final detailed contract was sign in person in 48 hrs. All communication was done with the owner OVER THE WEEKEND promptly, with understanding, concern and his willingness to help. Totally impressive for business owner to do that on weekend. Best estimate , best professional work and my gratitude, thanks and best wishes to owner Mr. Ron Pelletier."

Michael K on September 2025

FULL SERVICE HEATING, COOLING, AND ELECTRICAL SERVICES. CERTIFIED COLD WEATHER HEAT PUMP INSTALLER -- REBATES AVAILABLE!! Cawiamca Heating, Cooling and Electrical-- Offers top quality heating & cooling & electrical services. Professional Service and Guaranteed Quality Workmanship. Cawiamca is a trusted, BBB A+ Rated Contractor serving the Connecticut Shoreline since 2014.

"Outstanding company and outstanding work performance. Out of many estimates, Cawiamca offer came by e-mail in 24 hrs from the visit. After few clearing Q&A, final detailed contract was sign in person in 48 hrs. All communication was done with the owner OVER THE WEEKEND promptly, with understanding, concern and his willingness to help. Totally impressive for business owner to do that on weekend. Best estimate , best professional work and my gratitude, thanks and best wishes to owner Mr. Ron Pelletier."

Michael K on September 2025


Avatar for The Guild

The Guild

11 Lakeview Avenue
5.00(
4
)
Approved Pro

The Guild

11 Lakeview Avenue
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

The Guild is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we work smart, and it gets done right.

"Extremely professional and patient and above all else honest and knowledgeable! I would recommend this company to anyone you be a fool, not to go with them"

Jennifer F on June 2023

The Guild is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we work smart, and it gets done right.

"Extremely professional and patient and above all else honest and knowledgeable! I would recommend this company to anyone you be a fool, not to go with them"

Jennifer F on June 2023


Avatar for Shoreline Electric Services, LLC

Shoreline Electric Services, LLC

15 Pent Rd
4.31(
8
)
Approved Pro

Shoreline Electric Services, LLC

15 Pent Rd
4.31(
8
)
Approved Pro
Customers say: Quick response
65 local quotes requested
2 years of experience

Shoreline Electric Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"very helpful and kind"

Tina D on April 2025

Shoreline Electric Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"very helpful and kind"

Tina D on April 2025


Avatar for Scotti Mechanical Services

Scotti Mechanical Services

7 Pond Edge Dr
4.80(
58
)
Approved Pro

Scotti Mechanical Services

7 Pond Edge Dr
4.80(
58
)
Approved Pro
Customers say: Quality work
22 local quotes requested
5 years of experience

Here at Scotti Mechanical Services I have over 30 years of HVAC experience in oil heating (NO gas work) and air conditioning. I pride myself on my diligence and attention to detail, and make a dedicated effort to reduce repair/installation cost. There is no job too big or too small that I can't handle in a timely manner, please don't hesitate to call today. I look forward to earning your business. I do provide an after-hours emergency service.

"He didn't do any air side of furnace replaced ignitor we had loud bang noise it was because we needed the furnace to be cleaned and vacuumed I saw pics from real furnace guy it was full of rust and cresol flakes he never vacuumed anything terrible job never fixed problem"

Kenneth B on October 2024

Here at Scotti Mechanical Services I have over 30 years of HVAC experience in oil heating (NO gas work) and air conditioning. I pride myself on my diligence and attention to detail, and make a dedicated effort to reduce repair/installation cost. There is no job too big or too small that I can't handle in a timely manner, please don't hesitate to call today. I look forward to earning your business. I do provide an after-hours emergency service.

"He didn't do any air side of furnace replaced ignitor we had loud bang noise it was because we needed the furnace to be cleaned and vacuumed I saw pics from real furnace guy it was full of rust and cresol flakes he never vacuumed anything terrible job never fixed problem"

Kenneth B on October 2024


Avatar for Wa/ve Sound and Security, LLC

Wa/ve Sound and Security, LLC

32 Pleasant Street
4.93(
54
)
Approved Pro

Wa/ve Sound and Security, LLC

32 Pleasant Street
4.93(
54
)
Approved Pro
Customers say: True professional
38 local quotes requested
18 years of experience

Founded in 2007, Wa/ve Sound and Security, LLC has evolved as an industry leader in providing innovative solutions for the security, entertainment, and productivity of our customers. Our focus is to educate the customer so they can make the most informed decision on the products they are looking to purchase. We maintain a clean work environment, cleanup is important to us - we strive to leave the work site better than how we found it!

"Wes did an amazing job getting our dental practice music back up and running after a power surge took it out. His prompt attention brought the morality back up in the office while treating the patients. He was extremely communicative throughout the whole process. Thank you Wes!"

Samantha V on March 2025

Founded in 2007, Wa/ve Sound and Security, LLC has evolved as an industry leader in providing innovative solutions for the security, entertainment, and productivity of our customers. Our focus is to educate the customer so they can make the most informed decision on the products they are looking to purchase. We maintain a clean work environment, cleanup is important to us - we strive to leave the work site better than how we found it!

"Wes did an amazing job getting our dental practice music back up and running after a power surge took it out. His prompt attention brought the morality back up in the office while treating the patients. He was extremely communicative throughout the whole process. Thank you Wes!"

Samantha V on March 2025


Avatar for Diamond Plumbing & Heating, LLC

Diamond Plumbing & Heating, LLC

1 Route 165
4.55(
58
)
Approved Pro

Diamond Plumbing & Heating, LLC

1 Route 165
4.55(
58
)
Approved Pro
Super Service Award
Customers say: True professional
23 local quotes requested
22 years of experience

We're a well established business with over 25 years of unmatched expertise. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Diamond Plumbing and Heating, LLC, has built a reputation for quality work with each satisfied customer. Our sense of pride is apparent in every restoration we complete. Call Diamond Plumbing & Heating today and we'll be there in your time of need.

"Amilcar was professional from the start to the finish. He was efficient too. He was very neat and kept the work area clean. I will certainly call on Diamond Plumbing and Heating again should I need service of the type they provide"

ANTHONY F on January 2025

We're a well established business with over 25 years of unmatched expertise. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Diamond Plumbing and Heating, LLC, has built a reputation for quality work with each satisfied customer. Our sense of pride is apparent in every restoration we complete. Call Diamond Plumbing & Heating today and we'll be there in your time of need.

"Amilcar was professional from the start to the finish. He was efficient too. He was very neat and kept the work area clean. I will certainly call on Diamond Plumbing and Heating again should I need service of the type they provide"

ANTHONY F on January 2025


Avatar for TT & CA Plumbing and Heating

TT & CA Plumbing and Heating

19 Oakland Terrace
5.00(
10
)

TT & CA Plumbing and Heating

19 Oakland Terrace
5.00(
10
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"The crew arrived on time,they were very respectful,the work performed was properly done,no leaks so far,the workers cleaned up after themselves.I am keeping their contact information because next time I would not hesitate to call them again"

Joseph D on May 2024

Our mission is to be a provider that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"The crew arrived on time,they were very respectful,the work performed was properly done,no leaks so far,the workers cleaned up after themselves.I am keeping their contact information because next time I would not hesitate to call them again"

Joseph D on May 2024


Avatar for Mohegan Oil Co

Mohegan Oil Co

15 Thames St
No reviews yet

Mohegan Oil Co

15 Thames St
No reviews yet
110 years of experience

Mohegan Oil is the oldest heating oil dealership in southeastern Connecticut. We are a small, independently-owned company and pride ourselves on competitive heating oil prices and high-quality full service options.

Mohegan Oil is the oldest heating oil dealership in southeastern Connecticut. We are a small, independently-owned company and pride ourselves on competitive heating oil prices and high-quality full service options.


Avatar for Corbett HVAC Services

Corbett HVAC Services

321 Jackson St
4.31(
13
)

Corbett HVAC Services

321 Jackson St
4.31(
13
)
Customers say: Super punctual
6 years of experience

PROFESSIONAL H.V.A.C. PROBLEM SOLVERS With over 25 years experience, we are a fully licensed and insured HVAC contractor. Every member of our team has been through years of schooling for the HVAC trade, followed by a full apprenticeship to obtain their licensing. We work hard to bring each customer the best possible solution to any HVAC problem or a fully professional install. We look forward to working with you on your next project. We welcome any questions and thank you for your interest.. We have 24/7 emergency service with competitive rates. We also offer free estimates for any project with a detailed list of what is to be done so there are no surprises.

"Everything went well."

Jai R on July 2023

PROFESSIONAL H.V.A.C. PROBLEM SOLVERS With over 25 years experience, we are a fully licensed and insured HVAC contractor. Every member of our team has been through years of schooling for the HVAC trade, followed by a full apprenticeship to obtain their licensing. We work hard to bring each customer the best possible solution to any HVAC problem or a fully professional install. We look forward to working with you on your next project. We welcome any questions and thank you for your interest.. We have 24/7 emergency service with competitive rates. We also offer free estimates for any project with a detailed list of what is to be done so there are no surprises.

"Everything went well."

Jai R on July 2023


Avatar for Eric Sabo Plumbing, Heating & Cooling

Eric Sabo Plumbing, Heating & Cooling

10 Goodwin Rd
5.00(
16
)

Eric Sabo Plumbing, Heating & Cooling

10 Goodwin Rd
5.00(
16
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We have been a Plumbing, Heating & Cooling company for the past 10 years. Our goal is to provide each customer with thew knowledge to understand why and what we do to take care of their problem. We want all of our customers to be raving fans! Give us a call so we prove to you that customer service is still alive and well.

"Eric replaced my old leaking oil furnace (for hot water and heating) with a electric hybird water heater (hot water) + high efficiency oil furnace (for home heating). Eric and his company did a great job on installing the two system in my house. Very professional and fair price for the work they did. I'm very pleased and will be looking to get them to install a ductless hvac system in the near future."

Guo X on July 2022

We have been a Plumbing, Heating & Cooling company for the past 10 years. Our goal is to provide each customer with thew knowledge to understand why and what we do to take care of their problem. We want all of our customers to be raving fans! Give us a call so we prove to you that customer service is still alive and well.

"Eric replaced my old leaking oil furnace (for hot water and heating) with a electric hybird water heater (hot water) + high efficiency oil furnace (for home heating). Eric and his company did a great job on installing the two system in my house. Very professional and fair price for the work they did. I'm very pleased and will be looking to get them to install a ductless hvac system in the near future."

Guo X on July 2022

Showing 1-10 of 28
Heating Oil questions, answered by experts

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

A geothermal heat pump system will take about 10 years to pay for itself, and it has a life span of anywhere from about 25 to 50 years. Installing a geothermal heat pump will cost about $14,250 upfront, but it can reduce your energy bills by around 65% when compared to a conventional HVAC system.

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

Yes, including optimizing settings and suggesting upgrades if needed.

Leaks, poor airflow, reduced efficiency, and loop blockages are common problems requiring service.

The homeowners guide to home care is here

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