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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon266
    Verified heating and air conditioning services reviews

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

Avatar for Heat Pumps of Maine
Heat Pumps of Maine
4.8(
17
)
Ductless Mini-split A/C - Install or ReplaceDuctless Mini-split Heating System - Install or ReplaceHeat Pump - Install or Replace+1 more

Serving Cumberland, 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."
Heat Pump
Heat Pump
Heat Pump
Heat Pump
Response time1 day
Recommended by85%of homeowners
JT Heating Service
4.7(
21
)
Gas Boiler or Radiator Heating System - RepairGas Furnace / Forced Air Heating System - RepairOil Boiler or Radiator Heating System - Repair+5 more

Serving Cumberland, ME and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"Justin from JT Heating called promptly to ask about my service request and arrived promptly as well. He was courteous and professional and kept me informed throughout the repair. He repaired the plumbing leak efficiently and quickly. When I asked for another appointment to have my furnace cleaned, he said he was able to do it right then. I was very pleased with his work on the plumbing and on my furnace and would definitely hire him again for any further needs. I highly recommend this company for their efficient service and professionalism."
Response time3 hrs
Recommended by94%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

During the summer, it’s best to set your AC to 78 degrees when you’re home and awake, according to the Department of Energy (DOE). For better energy efficiency, raise the temperature slightly to 85 degrees while you’re out of the house. The National Sleep Foundation advises lowering your thermostat to between 60 and 67 degrees when you’re asleep.

As a general rule, you should have your HVAC system professionally serviced at least once a year, though it's best to follow the manufacturer's specific recommendations. Many experts suggest twice-yearly maintenance: once in the spring for the cooling system and once in the fall for the heating system. This is especially recommended for older units, systems with recurring issues, or heat pumps that provide both heating and cooling. Regular service, which can cost between $100 and $550, keeps the system running efficiently, helps prevent costly future repairs, and saves money on utility bills.

A frozen coil can cause permanent damage to your HVAC system and lead to costly repairs if not fixed. It can cause the unit to overheat and also cause the compressor to fail. It’s vital to turn the unit off if the coil is frozen and address the issue as soon as possible. 

Indications of an HVAC problem include inconsistent heating or cooling throughout your home, unpredictable temperature changes, or inadequate air flow from vents. Abnormal sounds such as grinding, banging, or hissing, and unpleasant smells like mustiness or burning are also potential warning signs. A rise in energy costs without an increase in usage may also imply decreased efficiency. An HVAC system that frequently cycles on and off or cannot maintain a stable temperature is malfunctioning.

Not if you have a standard unit. Because portable AC units actually work to dehumidify the room, you’ll likely need to drain the unit from time to time—but you won’t have to put water into it. There is, however, another type of air conditioner called a swamp cooler that requires water to operate. If you have a swamp cooler, you may need to fill a reservoir with water and potentially ice. But a swamp cooler is different from a standard portable AC unit.

The Cumberland, 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.