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Mini-Split Heat Pumps

Like a refrigerator or air conditioner, heat pumps use refrigerant, a compressor, and various valves to move heat from one area to another. Mini-split heat pumps (MSHPs), or ductless heat pumps, move heat into a home or business during the heating season and provide cooling or dehumidification in the summer. These heat pump appliances costs less to operate than burning oil or propane and provide cooling for less than conventional air conditioners. Insource Renewables is a Fujitsu Elite Dealer for heat pump systems across Maine.?

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Single-Zone Units

Single-zone heat pump units have one outdoor unit and one indoor unit. These ductless heat pump systems are the most efficient units for heating your home or business and often provide the best return on investment.?The indoor unit uses a fan and a heat exchanger – much like the radiator in your car – to distribute heat or to provide cooling in the area served by the unit. These heat pump units are rated to outdoor temperatures of -5F and will work to -15F. Since it is more difficult to extract heat from the outdoor air as it gets colder, the output of these units decreases as it gets colder outside. As a result, auxiliary heat – such as a furnace, boiler, or electric heat – is often necessary to maintain comfort as the outdoor temperatures drop.

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Indoor Units

Indoor mini split heat pump units come in a variety of models. The most popular model is a wall-mounted unit that is installed near the ceiling. There are also floor mounted units that may be used when there is limited space and the unit needs to be below a window or for aesthetics. Other heat pump units include cassettes that can be installed in a drop ceiling and models that utilize ductwork for distribution.

Sample some of our mini-split heat pump projects.

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Multi-Zone Units

Multi-zone ductless heat pump systems have one outdoor unit and multiple indoor units. While these systems are less efficient than single-zone units, they provide the benefit of heating and cooling various rooms in the house without requiring multiple outdoor units. Like single-zone units, the performance of these units decreases as the outdoor temperatures falls.

Multi-zone mini-split heat pumps may make sense if a home is heavily partitioned or if multiple air conditioners can be replaced by the heat pump.

Service & Maintenance

We are committed to providing long-term solutions to our clients’ energy needs. The expected lifespan of mini-split heat pump systems is 12-15 years, and we do everything within our control to minimize long-term heat pump service costs.

That said, all mechanical equipment will ultimately need repair. A circuit board may fail or the compressor may need to be replaced. The manufacturer provides a warranty on parts, and we offer a 3-year labor warranty. We service the equipment we install and service MSHPs that have been installed by others.?

Contact Us For Heat Pump Installation Or Repair

(207) 659-1054

Vaughan has professionally bridged the gap between being a contractor and being an advocate for Maine homeowners in their mission to save energy. He is not a ‘one size fits all’ in terms of efficiency and many times he has recommended our services over?his own when looking at the types of challenges homeowners face when decreasing their carbon footprint.

Bo Jespersen
Owner / The Breathable Home

Working with the Insource Renewables team was for me not only a satisfying experience but also encouraging about the renewable energy industry itself. These people were well-informed and articulate in their advice and planning on my project.

They brought the fruits of both long experience with solar design and deep conviction about the importance of renewable energy in today’s world. In follow-up, they have been generous and good-natured in answering questions.

Phoebe Phelps
Orland, Maine

We contracted Insource Renewables to install a solar heater for our swimming pool and a cluster of home energy improvements. We were very pleased with the expertise, integrity, and work ethic of Vaughan Woodruff and his fine team.

We were consistently informed of and/or consulted on scheduled activities and events throughout. At every juncture, Vaughan and his team were obviously guided by the principle of doing what is right for the customer.

We have recommended to our friends and continue to unreservedly recommend Insource Renewables for any energy-related projects.

Michael Leblanc & Rosalie Williams
Pittsfield, Maine

We are very happy with our new solar panels from Insource Renewables. It’s great that, now, our house is a power generation factory! Vaughan and the rest of the team are excellent, knowledgeable, friendly, proactive. Within 2 days of the start of the project, our meter was running backwards! It’s satisfying to make a small but real change in the severe climate issues that our planet is facing. I’m also really thankful that Vaughan connected us with the Greater Bangor Solarize program, which saved us over $2,000 on our installation! Vaughan provided us with many different options and answered so many questions that we had, until we found the solar project that was right for our family.

Julie Gosse
Orono, Maine

We discovered Insource Renewables (and Backyard Buildings in Unity) this Spring and were immediately taken with the concept of the “solar shed.” We knew we needed to build or buy a shed for some extra outdoor storage, and I’d always wanted to go solar at our house, so this made perfect sense!

Matt, Vaughan, and the whole team at Insource were excellent to work with, answered all our questions, and made sure everything came together on this project. We are excited to be building out the inside of our shed while knowing we are making power every day just by having this system in our back yard.

Great job all!

Bruce Fitzgerald
South China, Maine
When our heat pump had electrical issues, there are a couple of ways that this event could have gone. Insource?could have blamed the manufacturer, basically come back and continued to tweak the unit, or – worse yet – not been terribly responsive overall. I can’t tell you how good and stress free it has felt to know that you guys have put the customer first and have done your absolute best in the matter.
We are very grateful.
Steve Podgajny
Brunswick, Maine
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