Multi-Zone Heat Pump Systems
Multi-zone heat pump systems connect one outdoor unit to multiple indoor units, giving you independent temperature control in every room of your home. Southern Maine Heat Pumps designs and installs multi-zone systems for larger homes, additions, and families with varying comfort preferences. With up to 40% energy savings compared to traditional HVAC, multi-zone systems are a smart investment that keeps every room comfortable without wasting energy heating or cooling unoccupied spaces.
For larger homes in Gorham, Portland, South Portland, Falmouth, and across Cumberland County, a multi-zone heat pump system offers the ultimate combination of comfort, efficiency, and convenience. Rather than heating and cooling your entire house to a single temperature, multi-zone systems let each room or area operate independently. The master bedroom can stay cool for sleeping, the living room stays warm for the family, and unoccupied guest rooms do not waste a single watt of energy. Southern Maine Heat Pumps specializes in designing these sophisticated systems for the region's diverse home styles, from sprawling waterfront properties in Cape Elizabeth to historic two-story homes in downtown Portland.
A multi-zone configuration connects up to eight indoor units to a single outdoor compressor, dramatically reducing visual impact on your property while delivering whole-home comfort. Advanced inverter technology adjusts compressor speed in real time, matching output to demand so the system never wastes energy cycling on and off. Homeowners throughout Cumberland County who have upgraded from oil boilers or forced-air furnaces report energy savings of up to 40 percent, and those savings only grow as fuel prices continue to rise.
If you only need comfort in one or two rooms, a single ductless mini-split may be the most cost-effective option. For businesses and commercial properties, our commercial heat pump systems are engineered for larger-scale applications. And when your system is installed, our annual maintenance service ensures every zone continues to operate at peak efficiency season after season. We also assist with replacing and upgrading older multi-zone systems to take advantage of the latest technology improvements.
Whole-Home Comfort, Room by Room
Larger homes across Cumberland County face a common challenge: keeping every room comfortable without wasting energy on unoccupied spaces. Multi-zone heat pump systems solve this problem by giving you independent temperature control for each area of your home, from bedrooms to living spaces to bonus rooms.
Whether you're managing a multi-story colonial, a sprawling ranch, or a modern open-concept home, our multi-zone systems let each family member enjoy their ideal temperature while maximizing efficiency. Cumberland County homeowners appreciate the flexibility, comfort, and significant energy savings that come with zone-by-zone control.
What We Offer
Whole-home comfort with the flexibility of independent zone control.
One outdoor unit powers multiple indoor units
Independent temperature control per room
Supports up to eight indoor zones
Ideal for larger homes and additions
Single outdoor unit reduces visual impact
Advanced inverter technology for efficiency
Our Multi-Zone Process
A whole-home approach that accounts for every room, every family member, and every season.
Whole-Home Evaluation
We assess every room, measure square footage, and map out your comfort priorities to design the ideal zone layout.
Custom System Design
We select the right outdoor unit capacity and pair it with indoor units chosen for each zone’s size and use.
Coordinated Installation
Our crew installs the outdoor unit and all indoor units, routing refrigerant lines cleanly through your home.
Full System Testing
We test every zone independently, verify balanced airflow, and ensure the system runs at peak efficiency.
Complete Walkthrough
We demonstrate individual zone controls, scheduling options, and maintenance best practices for your new system.
Why Choose Southern Maine Heat Pumps
Multi-zone experts serving the Greater Portland area, Gorham, Windham, Buxton, and beyond.
Up to 40% energy savings over traditional HVAC
Every family member controls their own comfort
Eliminates arguments over the thermostat
Heats and cools only occupied rooms
Flexible indoor unit styles for any room
Simplifies whole-home comfort with one system
What Our Customers Say
Don't just take our word for it. Here's what homeowners across Southern Maine have to say about our work.
“The crew installed heat pumps with 3 heads and a hot water heat pump and did an excellent job. Very responsive in getting a quote quickly and answered all questions about the process. Very friendly and did an awesome job explaining how to run the heat pumps after installation. Definitely recommend!”
Happy Customer
2025
“I HIGHLY recommend Southern Maine Heat Pumps! Sam and Chris came to provide recommendations and pricing, responded promptly and thoroughly to follow-up questions, installed in a timely manner, got everything installed and tested with a tutorial on how to use everything. Extremely nice and cleaned up after themselves.”
Cathy W.
2025
“Steve and his team were awesome! They worked on ways to make the exterior tubing less visible, were solutions oriented, fast, and clean. They also helped facilitate Efficiency Maine rebates. I have already referred two friends and highly recommend them.”
Satisfied Customer
2025
“These guys are knowledgeable, professional, and provide superb and cost-effective service. They made an effort to fit us in before federal tax incentives expired at the end of the year. Could not recommend Southern Maine Heat Pumps more!”
Amy B.
2025
Explore Our Other Services
Southern Maine Heat Pumps offers a full range of heating and cooling solutions for your home or business.
Ready to Get Started?
Let us design a multi-zone heat pump system that gives every room in your home its own perfect temperature. We will evaluate your entire layout, recommend the right number of zones, and provide a detailed quote that includes all Efficiency Maine rebates and available tax credits. Whole-home comfort is closer than you think.
Call us directly at (207) 317-1077 or fill out the form to get started.