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TRUSTED BY JEFFERSON, ME HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon24
    Verified heating and air conditioning services reviews

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

Avatar for swb plumbing/hvac
swb plumbing/hvac
5.0(
15
)
Heat Pump - Install or Replace

Serving Jefferson, ME and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"I needed my water heater changed out so I reached out to swb and Seth was able to give me a same day quote and give me a time frame on when it could be completed. Got done in a timely manner and very professional work. Definitely will keep using this company for future plumbing/hvac needs."
New condensate line property piped into existing house sewer to code
1 1/2” water mains
3 zone heat pump install
Install condensate pump and neutralizer to bring existing boiler upto code.
1 1/2” water mains insulated after we installed them.

+10

Response time1 day
Response rate100%
29 neighbors recently requested a quote
Heat Pumps Maine
4.4(
7
)
Heat Pump - Install or ReplaceHeat Pump - Install or Replace - For Business

Serving Jefferson, ME and surrounding areas

Approved

In business since 2016

Free estimates

Customers say: Quick response

"Karl was very professional. Came out to quote the job and started shortly thereafter. Even though the install took more man hours than anticipated, we came to a new, fair agreement and am very happy with the results. New HVAC system is top notch. Would recommend to anyone looking to covert to heat pumps."
Response time2 days
Recommended by83%of homeowners
Evergreen Plumbing Solutions
5.0(
3
)
Central A/C - Service or RepairDuctless Mini-split Heating System - Install or ReplaceGas Boiler or Radiator Heating System - Install+8 more

Serving Jefferson, ME and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"What a pleasure doing business with Evergreen Plumbing! Caleb was very helpful and a good communicator on the telephone! Was able to send Zack to my home the same day! He diagnosed my disaster and fixed the leaks under 2 sinks! Quality of life issue that we’d been nursing along for a while! Wonderful to have access to a company that gives prompt friendly excellent service in our area! Highly recommend!! Thank you!"
Response time2 days
4 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for JACC services
JACC services
New to Angi
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+10 more

Serving Jefferson, 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

Kanaris Group LLC
New to Angi
Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+15 more

Serving Jefferson, 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

Avatar for GT Mechanical
GT Mechanical
New to Angi
Central A/C - Service or RepairHeat Pump - Repair or ServiceThermostat - Repair or Reprogram

Serving Jefferson, ME and surrounding areas

Approved

In business since 2022

Credit card accepted

Offers commercial services

Welcome to GT Mechanical! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you! \n

6 neighbors recently requested a quote
Kaylee Field
New to Angi
Air Ducts & Vents - Clean

Serving Jefferson, ME and surrounding areas

Approved

Hi, I’m Kaylee! I’m a dependable, hardworking, and detail-oriented cleaner who takes pride in creating clean, comfortable, and welcoming spaces.\n\nI have some experience with vacation rental turnovers, office cleaning, and regularly cleaning and sanitizing a childcare environment. I’m organized, reliable, and comfortable working independently, and I understand how important it is for a vacation rental to be thoroughly cleaned and ready on time for the next guest.\n\nI’m currently growing my independent cleaning business and would love to connect with local vacation rental owners and property managers. \n\nI’m looking forward to building lasting relationships with property owners and providing reliable, consistent service they can count on!

2 neighbors recently requested a quote
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Heating and Air Conditioning FAQs, answered by experts

Professional HVAC installation requires licensed expertise in several areas, including electrical- and plumbing-related work. An HVAC team must know how to safely handle regulated refrigerant chemicals and the gas, oil, or propane used in furnaces and boilers. A proper HVAC installation protects your home from energy loss, fires, and even carbon monoxide leaks.

Yes, ventless portable air conditioners exist, and not all standard portable air conditioners must be vented through a window.

Ventless portable units, often called evaporative coolers, do not have exhaust hoses. They use a water reservoir and a cooling pad to add moisture to the air, making it feel cooler. These units work best in dry climates because humid areas cannot absorb much additional moisture.

For standard portable air conditioners that do require venting, a window is not the only option; they can also be vented through a door, wall, or ceiling. However, it is essential to vent these units properly. Running a standard portable AC without venting it is counterproductive because it needs to expel heat to cool the room. Failing to do so will only increase the room's temperature.

The size window AC you need depends on the BTU and the size of the room you’re cooling. For a room with 8-foot ceilings, look for about 20 BTU per square foot of the room. For example, a 12-by-12-foot room should have an air conditioner with 2,880 BTU. You can buy something slightly more powerful, but don’t overshoot the BTU for a small room, or you’ll waste energy and have higher bills.

Both evaporator coils and condenser coils are recyclable and contain valuable, sellable metals such as copper and aluminum. Not only is it more earth-friendly to take them to a local metal recycling facility, but you can also trade them in for cash. Also, once the coils are removed from the system, they won’t have any traces of refrigerant, so you won’t have to arrange for recycling Freon or R-410A unless you’re disposing of the entire AC system.

Don’t run your AC with a wet filter. It can cause your AC to work too hard, which will run up your utility bill and cause extra wear and tear on the system. You could also spread moisture and mold throughout your house. Turn off the AC, remove the wet filter, and check for cracks or clogs. Fix the problem (with a pro’s help, if you need it), and put a dry filter in place before you turn the system back on.

The Jefferson, 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.