Top-rated heating and air conditioning pros.

Best heating and air conditioning pros near Livermore, ME

Q: Is it worth replacing an AC coil, or should I replace the entire system?

• <div><p>Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.</p></div>

Q: How much does it cost to replace an AC unit?

• <div><p>The cost to replace an AC unit averages around $5,900, with a typical range between $3,900 and $8,020. The final price depends on several factors, including the type and size of the air conditioner, its efficiency rating, your geographic region, and labor costs for installation. Smaller units like portable and window ACs are much less expensive, costing between $90 and $550, compared to central or ductless systems. If your current unit is less than 10 years old, repairing it may be more cost-effective than a full replacement.</p></div>

Q: How much value does a new or upgraded HVAC system add to a home?

• <div><p>A new HVAC system can increase your home's value by about 5% to 7%, which can translate to an added value of $2,500 to $3,000. The return on investment (ROI) can be around 30%, especially if you upgrade the entire system, including ductwork and insulation. Adding modern features like a smart thermostat can further increase your home&rsquo;s value by making the heating and cooling systems more efficient and convenient. However, since a new unit can cost $10,000 or more to install, it's important to weigh the upfront cost against the potential increase in home value. For a specific assessment, it's best to consult a local AC installer.</p></div>

Q: How frequently should I clean the air filter?

• <div><p>Keeping your air filter clean is crucial for your heat pump's efficiency. As a general rule, you should check your air filter every 1 to 3 months. However, the actual frequency might vary depending on factors like the type of filter, indoor air quality, and the amount of dust and debris in your area. If you notice the filter is visibly dirty or clogged, it's a clear sign it needs attention sooner. Regular filter maintenance ensures proper airflow and helps your heat pump perform optimally, keeping your indoor air fresh and comfortable.</p></div>

Q: What happens if my CFM is too high?

• <div><p>If your HVAC system's capacity doesn't match the required CFM (Cubic Feet per Minute), imbalances can occur. An undersized system struggles to maintain desired temperatures, leading to discomfort. An oversized system might short-cycle, wasting energy and causing temperature fluctuations. Properly matching capacity to CFM ensures efficient and consistent heating, cooling, and <a href="https://www.angi.com/articles/home-ventilation-systems.htm">home ventilation system</a> performance.</p></div>

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Verified Reviews for Heating And Air Conditioning Service pros in Livermore, ME

*The Angi rating for Heating And Air Conditioning Service companies in Livermore, ME is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Livermore, ME is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on January 05, 2026

Reviewed in January 2026
Very reasonable and great prices! Highly recommend. Came and picked up my fridge and some other small things.
Dumpster Fire Junk Removal LLC
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Reviewed in July 2025
Worked hard in the very hot and humid conditions. Very personable and gave me great advice on how to avoid problems in the future.
RM Septic
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Reviewed in June 2025
Corey and his crew did an amazing job. They did the entire roof and clean up in one day. Was very responsive and made our house look brand new!
Leneva Home Improvement
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Reviewed in April 2025
Corey and his crew were very efficient and pleasant. Nice job on the shingles and helping me find someone to do the chimneys. Everything is clean like they were never there. Thank you for a job well done.
Leneva Home Improvement
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Reviewed in March 2025
The way to go. Future Homes is reliable and great at their craft. Dan and Ryan were a pleasure to conduct business with and were very knowledgeable. Their crew was top of the line, hard workers. They built my place from the ground up. Energy efficient is the way to go! Radiant heat added...
Future Homes USA, Inc.
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Reviewed in February 2025
Yes Dylan showed up around 10 pm for emergemcy furnace repair. Had no heat he was very efficient in and out. Fairly priced and informative. Than you. Highly recommend
Aire Serv of Lewiston Maine
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Reviewed in October 2024
This was our first time using Apollo Insulation and Geremy and Dennis did an excellent job removing our old (rodent droppings and urine) insulation. They disinfected and repaired any damage caused by the rodents. New insulation was blown in and we couldnâ t be happier. From the initial...
Apollo Insulation
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Reviewed in October 2024
I hired Brettâ s company to help me clean out and organize a storage unit. They were fast and efficient, and well worth the money. Highly recommended!
ASDS Junkernauts
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Reviewed in June 2023
David provided work in a timely and professional manner. David is dependable and did an excellent job with both insulation and a fencing job. Call him for what you need!!
DH Insulation And Home Performance LLC
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Reviewed in June 2022
Todd and his team are the best guys around for so many jobs! We had 2 septic failures and clogs in our two cottages and alarms going off that became emergencies! They came right away, problem solved and fixed both of our old systems perfectly! They replaced a pump, got rid of roots and put in...
Berube Enterprises, Inc.
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Top-Rated Heating and air conditioning pros in Livermore - Updated Nov 2026

Northwoods HVAC

5.0(

)

Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+10 more

Serving Livermore, ME and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

"The technician that came out was amazing, nice and really knew his stuff. Everything looked very professional."

Ductless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or ReplaceHeat Pump - Install or Replace+1 more

Serving Livermore, ME and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"Incredibly professional, always happy to answer questions. Unlike other places that install and you never hear from again, Cam, David, and crew make sure your heat pump stays in tip top shape with yearly cleanings. They even offered to clean a unit that another contractor put in a year prior who refused to come clean it. I got quotes from over 8 different companies for my second heat pump, and Heat Pumps of Maine were a clear step above the rest."

Response time1 day

Recommended by85%of homeowners

Heat Pump - Install or Replace

Serving Livermore, ME and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Nat did a fantastic job. He is the best."

Response time3 hrs

Response rate96%

1 neighbors recently requested a quote

Heat Pump - Install or ReplaceDuctless Mini-split A/C - Install or Replace

Serving Livermore, ME and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"They were super helpful and the staff was so nice I recommend Able Trades to everyone they installed 2 heat pumps in my home and they are amazing iam so thankfull"

Response time1 day

Response rate100%

2 neighbors recently requested a quote

Heat Pump - Install or Replace

Serving Livermore, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Small jobs welcome

"I could not ask for a better electrician than Noah Parker. He has come through for me big-time on more than one occasion. Noah installed my generator & showed me how to use it; diligently diagnosed & fixed complex electrical problems in my older mobile home; & even fixed my lawnmower! Not only is Noah an expert at his craft. He is utterly kind, patient, trustworthy, fair, & decent. As a clueless first-time homeowner, I am SO grateful for Noah. I highly recommend him."

Response time9 hrs

Response rate93%

9 neighbors recently requested a quote

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Always There Heating LLC

5.0(

)

Ductless Mini-split A/C - Install or Replace

Serving Livermore, ME and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"He did a very thorough job, I was very happy with his service."

Response time10 mins

Response rate100%

Recommended by100%of homeowners

Thermostat - Repair or Reprogram

Serving Livermore, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"He came right away assessed what needed to be done and completed the work efficiently and in a timely manner. He is a keeper"

+128

Response time1 day

Response rate100%

31 neighbors recently requested a quote

Central A/C - Service or RepairHeat Pump - Repair or ServiceDucts & Vents - Install or Replace+14 more

Serving Livermore, ME and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Their work was really good. They were really good with communication, very professional, really pleasant to deal with."

Response time8 hrs

19 neighbors recently requested a quote

Recommended by100%of homeowners

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JACC services

New to Angi

Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+10 more

Serving Livermore, ME and surrounding areas

Approved

I am a seasoned plumbing and heating professional with 15 years of industry experience, specializing in the service and installation of residential plumbing and heating systems. My expertise includes heat pump installation and maintenance, as well as comprehensive home water treatment solutions. I am dedicated to delivering high-quality workmanship, reliable system performance, and exceptional customer service on every project. Call (207)458-4014

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TJ Electrical and Radon Air LLC

New to Angi

Electrical Baseboard or Wall Heater - InstallElectrical Baseboard or Wall Heater - Repair

Serving Livermore, ME and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

TJ Eectric is a residential electrical contractor, specializing in new construction, remodels, service upgrades and much much more! We are a family owned and veteran owned buisness who strive to provide our customers with the best experience possible, we want you to feel like part of the TJ Electric family, and know that we take pride in our workmanship and transparency! We have all 5-star reviews across all platforms we are listed on and do everything we can to maintain that presence on the job. So if your in need of a highly qualified electrician for your home projects give us a call today!

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Showing 1-10 of 78

Heating and Air Conditioning FAQs, answered by experts

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

The cost to replace an AC unit averages around $5,900, with a typical range between $3,900 and $8,020. The final price depends on several factors, including the type and size of the air conditioner, its efficiency rating, your geographic region, and labor costs for installation. Smaller units like portable and window ACs are much less expensive, costing between $90 and $550, compared to central or ductless systems. If your current unit is less than 10 years old, repairing it may be more cost-effective than a full replacement.

A new HVAC system can increase your home's value by about 5% to 7%, which can translate to an added value of $2,500 to $3,000. The return on investment (ROI) can be around 30%, especially if you upgrade the entire system, including ductwork and insulation. Adding modern features like a smart thermostat can further increase your home’s value by making the heating and cooling systems more efficient and convenient. However, since a new unit can cost $10,000 or more to install, it's important to weigh the upfront cost against the potential increase in home value. For a specific assessment, it's best to consult a local AC installer.

Keeping your air filter clean is crucial for your heat pump's efficiency. As a general rule, you should check your air filter every 1 to 3 months. However, the actual frequency might vary depending on factors like the type of filter, indoor air quality, and the amount of dust and debris in your area. If you notice the filter is visibly dirty or clogged, it's a clear sign it needs attention sooner. Regular filter maintenance ensures proper airflow and helps your heat pump perform optimally, keeping your indoor air fresh and comfortable.

If your HVAC system's capacity doesn't match the required CFM (Cubic Feet per Minute), imbalances can occur. An undersized system struggles to maintain desired temperatures, leading to discomfort. An oversized system might short-cycle, wasting energy and causing temperature fluctuations. Properly matching capacity to CFM ensures efficient and consistent heating, cooling, and home ventilation system performance.

The Livermore, ME homeowners’ guide to heating and air conditioning services

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

See all articles

Marwa Hasan
•
Jul 9, 2026Jul 9, 2026
Can You Add Central Air to a Baseboard-Heated House?
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Katy Willis
•
May 21, 2026May 21, 2026
12 Air Conditioning Tips for the Summer
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
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•
Aug 9, 2026Aug 9, 2026
13 Cool Tips to Reduce Air Conditioning Costs This Summer
Learn how to save money on air conditioning costs this summer by following this handy guide all about your favorite cooling system.
Breyden Kellam
•
Jul 9, 2026Jul 9, 2026
Heat Pump vs. Air Conditioner: What’s the Difference?
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
Mary Beth Eastman
•
Jul 9, 2026Jul 9, 2026
Pros and Cons of Air-Source Heat Pumps
Air-source heat pumps are an energy-efficient way to heat and cool your home. Learn the pros and cons of this heating method.
Sophie Yalkezian
•
Jul 7, 2026Jul 7, 2026
How to Retrofit Air Conditioning in Your Home (Even When You Think It’s Not Possible)
Retrofitting your house for AC is, surprisingly, not too hard. Here’s what you’ll need to consider to make it happen.