Ductless Mini Split Installation in Boston & Southern Maine

At The Perfect Climate

Whether you’re upgrading to a smart thermostat, replacing a faulty control, or installing a new HVAC system altogether, our experienced team provides fast, professional thermostat installation services across Boston, MA and Southern Maine.

Efficient Heating & Cooling Without the Hassle of Ductwork

Looking for targeted comfort without the need for bulky ductwork? At The Perfect Climate, we specialize in ductless mini split installation and service, offering flexible, energy-efficient solutions for homes and businesses throughout Boston, MA and Southern Maine.

Mini splits are ideal for spaces where traditional HVAC systems aren’t practical—like older homes, additions, or offices with limited duct access. Whether you need to cool one room or control temperatures in multiple zones, our ductless systems deliver quiet, reliable, and customizable comfort.

What Is a Ductless Mini Split System?

A ductless mini split consists of two main components:

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Indoor Air Handler

Mounted on a wall or ceiling to deliver conditioned air directly into the room.

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Outdoor Condenser Unit

Connected by small refrigerant and power lines, not bulky ducts.

This setup allows for zoned heating and cooling, giving you control over specific areas without the energy loss associated with traditional ductwork.

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 Benefits of Ductless Mini Splits

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 Energy Efficiency

Mini splits are incredibly efficient, using inverter technology to adjust output based on room temperature. This minimizes energy waste and keeps utility bills low.

Zoned Comfort

Control each room or zone independently. Heat or cool only the spaces you're using—perfect for guest rooms, additions, home offices, or garages.

Easy Installation

No ductwork required! Most installations can be completed in a single day, with minimal disruption to your home or business.

Year-Round Comfort

Mini splits provide both heating and cooling, making them a smart, all-in-one solution for New England’s four-season climate.

Quiet Operation

Enjoy powerful performance with whisper-quiet operation—ideal for bedrooms, offices, and media rooms.

 Where Mini Splits Make Sense

Ductless mini splits are ideal for:

  • Older homes without ductwork

  • Home additions or finished basements

  • Converted attics or garages

  • Multi-family homes

  • Apartments or in-law suites

  • Commercial offices or small retail spaces

  • Zoned temperature control in large homes

Have a unique space? Our team will assess your layout and recommend the right system size, placement, and configuration.

Brands We Install and Service

We work with top-rated mini split manufacturers, including:

  • Mitsubishi Electric

  • Fujitsu

  • Daikin

  • LG

  • Carrier

  • GREE

Our technicians are trained and certified to install and service all major brands with precision and care.

Why Choose The Perfect Climate?

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40+ Years of HVAC Experience

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Licensed and Insured Installers

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Boston & Southern Maine Local Experts

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Fast Installation & Reliable Support

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 Service for Homes and Businesses

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Transparent Pricing and Free Estimates

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Knowledge of Energy Rebates and Incentives

We don’t just install your mini split—we ensure it’s optimized for comfort, energy savings, and long-term performance.

 Real Customer Experiences

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“We added a ductless system to our sunroom, and it’s been a game-changer. Fast install, no mess, and it heats better than expected!”


 â€“ Melissa J., Portsmouth, NH


“We added a ductless system to our sunroom, and it’s been a game-changer. Fast install, no mess, and it heats better than expected!”


 â€“ Melissa J., Portsmouth, NH


“We added a ductless system to our sunroom, and it’s been a game-changer. Fast install, no mess, and it heats better than expected!”


 â€“ Melissa J., Portsmouth, NH


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“Our older home didn’t have ductwork, so we went with mini splits. The Perfect Climate made the process easy and the system works beautifully.”


  â€“ Jason K., Boston, MA


“Our older home didn’t have ductwork, so we went with mini splits. The Perfect Climate made the process easy and the system works beautifully.”


  â€“ Jason K., Boston, MA


“Our older home didn’t have ductwork, so we went with mini splits. The Perfect Climate made the process easy and the system works beautifully.”


  â€“ Jason K., Boston, MA


Ductless Mini Split FAQs

  • How long does it take to install a mini split system?

    Most installations take 1 day for a single zone and 1–2 days for multi-zone systems.

  • Do mini splits provide both heating and cooling?

    Yes! They operate as heat pumps, providing energy-efficient heating in the winter and cooling in the summer.


  • Are mini splits more efficient than central HVAC systems?

    In many cases, yes—especially in smaller homes or when zoned control is used effectively.


  • Do mini splits qualify for energy rebates?

    Many models qualify for Mass Save and Efficiency Maine rebates. We’ll help you find and apply for them.


  • Can I control a mini split with my phone?

    Yes! Most modern units offer Wi-Fi connectivity and can be managed via app or smart home integration.

Schedule a Free Ductless Consultation

Interested in upgrading your comfort without the cost of ductwork? Let our team design a custom ductless HVAC solution that fits your space, lifestyle, and energy goals.