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Martz Minisplits installs and services mini splits and heat pumps, and holds a 5-star Google rating from 8 ratings. The company says every system is pressure tested, evacuated and commissioned in accordance with or beyond manufacturers' installation procedures. One customer said Alex installed a Mitsubishi system with three heads in their summer cottage, and that it took less than a week from quote to installation. A customer who had four mini splits/heat pumps installed praised the knowledge, communication, price and quality of the work. On an installation of multiple mini splits, a customer said the team led them through the process, brought up details to consider for costs, aesthetics and efficiency, and that the units work quietly and efficiently. A customer with a new mini split said Alex explained the features and functions of different units to make sure they got the correct one for their needs, and took time after the installation to explain all the functions. After a heat pump cleaning, a customer said the heat pumps work better and more efficiently, and that everything in the house was cleaned up and back to the way it was before. A customer called the work neat, clean and on time.
neet and clean work. on time quality work.
best around
Alex installed a Mitsubishi system with three heads in our summer cottage. From quote to installation it took less than a week and was an excellent experience. Meticulous attention to detail inside and out. We highly recommend Martz Minisplits.
very good
Outstanding company! They installed 4 mini splits/heat pumps for us. I was very impressed by the knowledge, communication, price and quality of their work. I recommend them to anyone looking!
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2 changes recorded — last scanned Oct 30, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from Martz Minisplits. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,500 – $10,300
Typical HVAC project around $7,400
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