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Find Air conditioning pros in Castine

Avatar for MAC Heat Pumps
MAC Heat Pumps
4.6(
33
)
Ductless Mini-split A/C - Install or Replace

Serving Castine, ME and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

We are a locally-owned and operated, full-service ductless mini-split heat pump company. Our goal is to provide Mainers with affordable heating and cooling solutions. \n\nContact us and we'll do a complimentary, no-obligation evaluation of your space. If a heat pump is right for you, we will be there through every step: system design, installation, rebates, and service - with a long-term commitment to you as our customer. \n\nUnlike some companies that are only interested in the sale and nothing more, at MAC Heat Pumps we're here for the life of your heat pump.

Maintenance
Maintenance
Maintenance
Maintenance
Maintenance

+36

Response time1 day
Response rate93%
13 neighbors recently requested a quote
Avatar for Baker Electric and Sons
Baker Electric and Sons
4.1(
17
)
Central Humidifier - Install or Replace

Serving Castine, ME and surrounding areas

Approved

In business since 2015

Emergency services offered

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs.\nIt is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project.\nIn order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer \nin a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n$100.00 Service Fee.

Response time2 days
Response rate91%
77 neighbors recently requested a quote
Avatar for CM Heating & Air Conditioning
CM Heating & Air Conditioning
New to Angi
Central A/C - Install

Serving Castine, ME and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

Residential and commercial installations of furnaces, boilers, heat pumps, and central air conditioning. I would be happy to help you make your home more comfortable and efficient. The best way to contact me is via telephone 207-820-0404. Thanks

Response time1 day
Avatar for Wide Horizons HVAC/R
Wide Horizons HVAC/R
4.2(
65
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+2 more

Serving Castine, ME and surrounding areas

In business since 2020

Emergency services offered

Warranties offered

Get $20 if you complete a work order through Wide Horizons HVAC/R by calling us directly at (207) 530-2706. Master Mechanical certified. Licensed and insured in the state of Maine. I can get the job done well and fast.

Response time1 day
Response rate90%
Recommended by89%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Castine, ME and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Jim was very helpful and personable to work with.  I had recently moved to the Huntsville area and was unable to connect my wireless printer.   There were also some things going on with my laptop that made me suspect a virus had somehow gotten on to it, it was running more slowly than usual, and I wasn't happy with the Win7 configuration I had done when I bought the computer.  Jim came in and assessed the problems and we agreed on a time for him to take the laptop and reinstall the OS.  He was able to get the wireless connection to work as well.  He took the computer on a Friday evening and returned it Sunday evening in prime condition. 
A few weeks later I  got an error message while reinstalling my accounting software so I called Jim.  He talked me through the problem over the phone and I was able to get the program installed so I could use the program.
Jim is great to work with, his pricing is very fair, he is prompt and reliable.  I will definitely use his services again.
"
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Avatar for Thomas Cole
Thomas Cole
4.7(
22
)
Central A/C - InstallCentral A/C - Service or Repair

Serving Castine, ME and surrounding areas

In business since 2001

Free estimates

Credit card accepted

At Thomas Cole Custom Painting, 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 start to 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.\n

Converted Barn
Response time2 days
Recommended by100%of homeowners
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FAQs for air conditioning projects in Castine, ME

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Castine, ME homeowners’ guide to air conditioning services

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