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Typical your area range for this kind of work, from regional averages — not a quote from Excel Mechanical LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
A recent Google customer hired Excel Mechanical LLC to design and install a three-zone heat pump system for a deep energy home renovation: two ducted systems with humidification, non-ducted systems with three ceiling cassettes, and an Energy Recovery Ventilation system for the whole house. That customer also hired the company for preventative maintenance, and wrote that it is "not the low price leader in the market." The company's website lists heating repair, installation and maintenance, boilers, oil-to-gas conversion, VRF systems and smart thermostats, and names Brunswick, Scarborough, Yarmouth, Woolwich, Bowdoin, Phippsburgh, Wiscasset and Harpswell as its service area. It holds a 4.8-star average across 95 Google ratings, and its Better Business Bureau grade is A+. Ty came out to winterize one customer's air conditioner, a visit that followed an emergency visit by the owner, Keith, and the customer's signing of a maintenance agreement. That customer said the central AC unit had not been cleaned for 11 years and did not have to be replaced. On a basement crawl-space job, a customer said the installation crew arrived on time with all of the necessary equipment, and the tech coordinated a dual heating system using both a heat pump and a propane fired hot air system. A 2026 customer said a deposit was requested for the job, and wrote that the house and family were warm thanks to Travis. In a 2021 review, a customer said they were happy with the Haier heat pumps and the Navien tankless hot water system, and used the company again to replace toilets and water valves. That 2021 customer also said Kristen and Zack rerouted the freon lines and relocated the compressors so a propane stove could be installed, while Travis performed yearly maintenance on the tankless hot water heater and the heat pump.
Ty came out to "winterize" the air conditioner which actually followed an emergency visit by the owner (Keith) last July and our subsequently signing a maintenance agreement. Both are amazingly knowledgeable and thorough. I could go into detail but just know that our central AC unit had not been cleaned for 11 years and it did not have to be replaced because they definitely know their stuff. And now I know that it will run more efficiently and Ty told us because it's a Trane it's like having a really good workhorse. 10 stars if I could!
Excel Mechanical installed our heat pump heating and cooling systems in our high performance, deep energy home renovation. They designed and installed a fairly complicated whole house solution with three zones - two ducted systems (with humidification), non-ducted systems with three ceiling cassettes; as well as an Energy Recovery Ventilation system for the whole house. We also hired them to perform our preventative maintenance services to keep the equipment balanced and perforing optimally. We have been extremely satisfied with the team - from owner and operations leaders, to dispatcher and technicians - everyone has shown that they are exceptionally professional, service-oriented and knowledgeable. While they are not the low price leader in the market, they compensate by offering high value and proven expertise. We would highly recommend Excel Mechanical for any project they see as apropriate for their business.
The installation crew arrived on time with all of the necessary equipment. The equipment was going into a basement crawl space which made their work more difficult but they accomplished what was needed and were very professional. Their tech person was very knowledgeable and was able to coordinate a dual heating system utilizing both a heat pump and a propane fired hot air system. I highly recommend them for commercial as well as residential services.
Excellent Service! Tech was very friendly,kind and worked hard. He was straight to the point and the job was done before i knew it! Staff in the office were very kind and helpful. A deposit was requested for the job due to people not paying for the work after it's done. I was more then happy to pay for my work and more then happy to leave a deposit. My house & family are warm now thanks to Travis and Excel Mechanical : )
5 stars for Excel Mechanical LLC, Keith, Lucus & Mike are professional, personal, and meticulous. I am extremely happy with the Haier heat pumps and the Navien tankless hot water system. Both are high end quality products. If you are in need of a new system or upgrade I highly recommend Excel Mechanical LLC, you won't be disappointed. Used Excel Mechanical again to replace toilets and water valves, Sam is exceptionally knowledgeable, and personable, I highly recommend him. I cannot say enough about Kristen, Zack, & Travis. All were attentive, friendly, and professional. Kristen and Zack did an exceptional job of rerouting the freon lines, and relocating the compressors so that a propane stove could be installed. While Travis performed yearly maintenance on the tankless hot water heater and the heat pump. I was impressed by the high caliber of their work.
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1 change recorded — last scanned Oct 4, 2026.