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Best heating and air conditioning pros near Castine, ME

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Top-Rated Heating and air conditioning pros in Castine - Updated Nov 2026

Avatar for MAC Heat Pumps
MAC Heat Pumps
4.6(
33
)
Ductless Mini-split Heating System - Install or ReplaceHeat Pump - Install or ReplaceHeat Pump - Install or Replace - For Business+3 more

Serving Castine, ME and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"The crew sent was on time, professional, friendly, efficient, clean and organized. The electrician was the first to arrive and installed the new breakers to the panel and installed the wire for the condenser unit and the wall mounted blowers. The crew installed two power head blowers, one for a large sunroom and another for the living room. The heat pumps are nearly silent yet powerful enough to do the entire first floor of our 3000 sq foot home. The entire install was done in one day and we were thrilled with the result. The estimator who came out took pictures and helped decide what the best options were according to our wishes and needs. This is what this company specializes in and they have it down to a science."
Maintenance
Maintenance
Maintenance
Maintenance
Maintenance

+36

Response time1 day
Response rate93%
3 neighbors recently requested a quote
Kanaris Group LLC
New to Angi
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+15 more

Serving Castine, ME and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Multi-craft technician with 10+ years across welding and fabrication, HVAC-R service, and property maintenance. U.S. Navy veteran with shipyard, structural steel, and manufacturing experience. Holds Universal EPA certification, OSHA 30, and advanced welding credentials; currently pursuing a B.S. in Business Administration. Known for reliability, safety discipline, and learning new systems fast

Brittany Hamor
New to Angi
Air Ducts & Vents - Clean

Serving Castine, ME and surrounding areas

Approved

Small jobs welcome

Offers commercial services

Hello! I'm Brittany, a dedicated housekeeper based in Ellsworth, Maine, ready to help you keep your home sparkling clean. With a passion for cleanliness and attention to detail, I provide top-notch cleaning services tailored to your needs.\n\nI specialize in various areas of home cleaning. Whether it's the bathroom, general rooms, or the kitchen, I ensure each space is spotless. My services also include thorough fridge cleaning, so you can enjoy a fresh and organized refrigerator.\n\nIn addition, I offer window washing services that let the sunshine in while providing a crystal-clear view. I believe that a clean home contributes to a happy living environment.\n\nI charge $40 per hour for my services, and I'm committed to delivering quality results every time. If you are looking for a reliable housekeeper to maintain your home, feel free to message me. Let's discuss how I can help you achieve the clean and inviting space you desire. I look forward to hearing from you!

On The Hill Plumbing LLC
New to Angi
Heat Pump - Install or Replace

Serving Castine, ME and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Response time2 days
8 neighbors recently requested a quote
Avatar for Wide Horizons HVAC/R
Wide Horizons HVAC/R
4.2(
65
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+3 more

Serving Castine, ME and surrounding areas

In business since 2020

Emergency services offered

Warranties offered

"Joseph responded to our call within minutes and arrived within 2 hours. Our AC unit needed to be replaced. The unit was ordered, expedited, and arrived on time. Joseph arrived on time and installed unit in record time! He was polite, knowledgeable, and the area was clean and ready to cool our house in 2 hours. I would highly recommend Joseph for all HVAC projects."
Response time1 day
Response rate90%
Recommended by89%of homeowners
Avatar for octagon-restoration
octagon-restoration
4.7(
96
)
Air Ducts & Vents - Clean

Serving Castine, ME and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"I highly recommend Octagon Cleaning and Restoration. We recently purchased a house on the water and discovered that we had a mold issue in our basement. Matt and his crew were professional, informed us what needed to be done and completely eliminated the mold and the musty smell. Matt was very responsive to my texts, answered all my questions and a great representative of Octagon."
Water extraction.
Octagon vehicles
Drying structure damaged by water.
MOLD REMEDIATION
Dirty air duct.

+2

Response time6 hrs
Response rate100%
Recommended by90%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Yes, a mini split AC system can replace central air—and quite easily, too. Since mini splits don’t require ductwork, homeowners can convert their central air system to a mini split to save money and energy. Consult with an HVAC professional to learn more about the process of replacing your central air with a mini split.

Vents may blow air even though the air conditioning system is off because of the pressure difference between indoor and outdoor air or drafts from leaky ducts. Check for leaks or drafts in the ductwork or around windows and doors.

You will only need to refill your AC with refrigerant if it has a leak. Otherwise, a modern, well-maintained AC will most likely never need a recharge. You may notice a leak in an older system if your bills are higher, you hear a hissing sound, or if the air is blowing out hot.

Yes, you can clean your air conditioner filter as a temporary fix for cleaning up dirt, but you’ll eventually need to replace it once the dust starts to accumulate. Use a vacuum with a hose attachment to clean your air filter at least once per year or more often if you have pets.

There are a few reasons your AC is running but not cooling your room. Thermostat issues and dust and debris, which can clog your system, are common problems. It could also be a broken component, such as a compressor, blower fan, or evaporator coils. You’ll need to call a pro to diagnose the issue.

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

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