Top-rated heating oil pros.

Get matched with top heating oil pros in Lake City, TN

Enter your ZIP and get matched with up to 5 pros

Verified Reviews for Heating Oil Service pros in Lake City, TN

*The Angi rating for Heating Oil Service companies in Lake City, TN 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 Lake City, TN 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 23, 2025

Find Heating oil pros in Lake City

Avatar for National Heating and Cooling, LLC

National Heating and Cooling, LLC

290 Leeper Parkway
5.00(
1
)
•Approved Pro

National Heating and Cooling, LLC

290 Leeper Parkway
5.00(
1
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

Welcome to National Heating and Cooling, LLC! been in the industry for over two decades, we are a full service heating and cooling company who takes great pride in the quality of our work and guarantees customer satisfaction. We specialize in all service and repair for residential properties, and no job is too big or too small. Serving Lenoir City and its surrounding areas, be sure to give us a call today!

"Great company with same day house call to service my heating unit."

Nick P on December 2023

Welcome to National Heating and Cooling, LLC! been in the industry for over two decades, we are a full service heating and cooling company who takes great pride in the quality of our work and guarantees customer satisfaction. We specialize in all service and repair for residential properties, and no job is too big or too small. Serving Lenoir City and its surrounding areas, be sure to give us a call today!

"Great company with same day house call to service my heating unit."

Nick P on December 2023

Avatar for Bullock Heating and Cooling

Bullock Heating and Cooling

205 Bostie Mare Ln
5.00(
9
)
•Approved Pro

Bullock Heating and Cooling

205 Bostie Mare Ln
5.00(
9
)
•Approved Pro
Customers say: Quick response
31 local quotes requested
1 years of experience

We are 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 customer's interests, and make their concerns the basis of our business.

"He came out same day to repair my AC problem, Ac working great. Would hire him again."

Edward H on August 2025

We are 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 customer's interests, and make their concerns the basis of our business.

"He came out same day to repair my AC problem, Ac working great. Would hire him again."

Edward H on August 2025

Avatar for Extreme Climate Heating And Cooling

Extreme Climate Heating And Cooling

4104 Shipe Road
5.00(
3
)

Extreme Climate Heating And Cooling

4104 Shipe Road
5.00(
3
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

When there's a problem with your HVAC system, you just want it to be back to normal as soon as possible. That's why it's important to choose a technician with the skills to do the job properly. Our owner has over 30 years of experience and can identify and fix all kinds of issues. Plus, you can trust our family-owned and -operated company to treat your home like it's our own. We won't consider the job done until your house is at a comfortable temperature again. Call 865-556-4515 to get a free estimate on HVAC services.

"They always did a great service. They were very prompt and excellent. They had a good rate. They had a competitive price. They were very courteous and very gentle man. They were efficient and always answered all my calls. They were always on time."

Pam A on June 2021

When there's a problem with your HVAC system, you just want it to be back to normal as soon as possible. That's why it's important to choose a technician with the skills to do the job properly. Our owner has over 30 years of experience and can identify and fix all kinds of issues. Plus, you can trust our family-owned and -operated company to treat your home like it's our own. We won't consider the job done until your house is at a comfortable temperature again. Call 865-556-4515 to get a free estimate on HVAC services.

"They always did a great service. They were very prompt and excellent. They had a good rate. They had a competitive price. They were very courteous and very gentle man. They were efficient and always answered all my calls. They were always on time."

Pam A on June 2021

Avatar for Trocsch HVAC & Recycling

Trocsch HVAC & Recycling

1458 Webster Rd
4.90(
10
)

Trocsch HVAC & Recycling

1458 Webster Rd
4.90(
10
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Guaranteed lowest price, we put the customer's experience first. We offer emergency service 24/7, Spring specials, senior discounts and Veterans receive 25% off all HVAC calls. Low maintenance programs. Free estimates...complete duct replacement and repairs, change outs ,new installations. financing through FTL, our reviews speak for there self on Angie's list, Google, and Facebook

"awesine. quick. reliable and fair price"

Jeanine W on April 2021

Guaranteed lowest price, we put the customer's experience first. We offer emergency service 24/7, Spring specials, senior discounts and Veterans receive 25% off all HVAC calls. Low maintenance programs. Free estimates...complete duct replacement and repairs, change outs ,new installations. financing through FTL, our reviews speak for there self on Angie's list, Google, and Facebook

"awesine. quick. reliable and fair price"

Jeanine W on April 2021

Avatar for Post Equipment, Inc.

Post Equipment, Inc.

1901 Sutherland Avenue
No reviews yet

Post Equipment, Inc.

1901 Sutherland Avenue
No reviews yet
Free onsite estimate

Post Equipment, Inc. has been in the business of buying and selling fuel tanks, trucks and trailer for over 50 years. We specialize in remounting new tanks onto refurbished chassis. We are experts in customization and are confident that we can find the best fuel truck to meet your needs. Post Equipment, Inc. has sold trucks all over the United States and in over 25 countries. If you need a truck delivered to another country, we can ship it out to the port of your choice.

Post Equipment, Inc. has been in the business of buying and selling fuel tanks, trucks and trailer for over 50 years. We specialize in remounting new tanks onto refurbished chassis. We are experts in customization and are confident that we can find the best fuel truck to meet your needs. Post Equipment, Inc. has sold trucks all over the United States and in over 25 countries. If you need a truck delivered to another country, we can ship it out to the port of your choice.

Heating Oil questions, answered by experts

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.

If a geothermal heat pump is installed correctly, then you shouldn’t have to worry about having a backup heat source such as a furnace or oil boiler. However, there are geothermal systems installed that include a backup in case the heat pump fails due to extreme cold. This is simply a backup heat pump you’ll likely never need and not an alternative heat source.

Yes, including optimizing settings and suggesting upgrades if needed.

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.

Most HVAC companies charge a flat service call fee of between $75 and $150, which includes traveling to your home and inspecting your system to find the underlying problem. Keep in mind that these prices only include diagnostics and the actual repairs will usually be billed separately. If you’re calling for routine service, the service call will be included in your inspection and tune-up, with the total sitting around $150. Your prices could be a little higher if you have a very large home with multiple condensers and air handlers, as inspections and servicing take longer.

The homeowners guide to home care is here

From average costs to expert advice, get all the answers you need to get your job done.

See all articles