Heat Pump Replacement & Upgrades
If your heat pump is aging, losing efficiency, or breaking down frequently, Southern Maine Heat Pumps can upgrade you to a modern, high-efficiency system. We handle every step from removing your old equipment to installing the latest technology and completing all rebate paperwork. Today’s heat pumps are dramatically more efficient than models from even a few years ago, and upgrading can restore comfort while reducing your energy bills.
- 5.0 · 37 Google reviews
- Licensed & Insured
- 30+ Years Experience
- Efficiency Maine Registered Vendor
- Free Estimates
Heat pump technology has advanced rapidly over the past decade. If your system was installed five or more years ago, there is a strong chance that today's equipment could deliver significantly better heating performance, lower energy consumption, and quieter operation. Southern Maine Heat Pumps helps homeowners in Gorham, Portland, Windham, Standish, and throughout Cumberland County evaluate their existing systems and determine whether a replacement or upgrade makes financial sense. In many cases, the energy savings from a modern unit pay for the upgrade within just a few years, especially when combined with Efficiency Maine rebates and federal tax credits.
Common signs that your heat pump needs replacement include rising energy bills despite normal usage, frequent repair calls, uneven heating and cooling throughout your home, excessive noise, and reduced performance during Maine's coldest months. Older systems often use outdated refrigerants that are being phased out, making future repairs increasingly expensive. From South Portland to Cape Elizabeth and throughout Cumberland County, when you choose Southern Maine Heat Pumps for your replacement, we handle every step of the process: safely recovering refrigerant from your old unit in full EPA compliance, removing and disposing of the old equipment, and installing a new high-efficiency system with updated wiring, fresh line sets (or reusing existing ones when possible), and secure mounting.
If you are upgrading from a single-zone system and want to add comfort to additional rooms, consider stepping up to a multi-zone heat pump system. Homeowners who are replacing older oil or propane systems entirely may benefit from a full heat pump installation consultation to ensure the new system is optimally sized and configured. We also recommend replacing an aging electric water heater with a heat pump water heater at the same time to maximize your rebate savings and electrify your home in a single project. After your upgrade, enroll in our annual maintenance program to protect your new warranty and keep the system running at peak efficiency.
Time to Upgrade Your System?
Aging heat pump systems across Cumberland County are costing homeowners more money in energy bills and repairs than they need to spend. If your system is five or more years old, today's modern heat pumps offer dramatically improved efficiency, quieter operation, and better cold-weather performance that can transform your home comfort experience.
Southern Maine Heat Pumps makes the replacement process seamless, handling everything from safe refrigerant recovery to old equipment removal and new system installation. With available rebates and tax credits, upgrading to modern equipment often pays for itself faster than Cumberland County homeowners expect.
What We Offer
A complete replacement experience from old-unit removal to new-system commissioning.
Comprehensive old system removal
Upgrade to latest high-efficiency models
Reuse existing line sets when possible
Updated electrical and mounting as needed
Complete rebate and tax credit paperwork
Proper refrigerant recovery and disposal
Our Replacement Process
We make upgrading your heat pump seamless, from assessment to performance verification.
System Assessment
We evaluate your current system, identify inefficiencies, and recommend the best replacement options for your needs.
Upgrade Planning
We design the replacement around your existing infrastructure, reusing components where possible to reduce cost.
Old System Removal
We safely remove and dispose of your old equipment, recovering refrigerant in compliance with EPA regulations.
New System Installation
We install your new high-efficiency system with fresh connections, updated wiring, and secure mounting.
Performance Verification
We test the new system thoroughly, compare performance to the old unit, and handle all rebate documentation.
Why Choose Southern Maine Heat Pumps
Replacement and upgrade specialists trusted across Gorham, Portland, Windham, and all of Southern Maine.
Restore peak heating and cooling performance
Lower energy bills with modern efficiency ratings
Quieter operation than older units
Improved cold-weather heating capability
Fresh manufacturer warranty coverage
Maximized rebates and incentive savings
What Our Customers Say
5.0 ★ · 37 Google reviews. Here's what homeowners across Southern Maine say about the work.
“Nate did a nice, professional job cleaning and servicing our heat pump. We recommend and will use them again.”
Justin Spear
August 2026
“I had neglected annual service out of fear that it would cost a fortune but when I called to make the appointment, they let me know what was included in service and the cost- amazing! I appreciated that they were willing to service the system even though they did not do the installation.”
Ben Winkler
April 2026
“I contacted Southern Maine Heat Pumps to service my two units. The technicians who came out to service our heat pumps did an outstanding job. They were very thorough and helpful. They did a way better job than what I have experienced before with other maintenance services.”
Matt Heer
March 2026
“The technician arrived right on time, diagnosed the issue quickly, and had both of my heat pumps running smoothly in no time. They explained everything clearly and didn’t try to upsell unnecessary services — just honest, quality work. The price was fair, and the customer service was exceptional.”
Sarah McKay
November 2025
“I was being serviced by another local company as I had a crack in my Daikin Drip Pan. The previous company came out 3 times and finally diagnosed it. They ordered the part and then never showed up again even though the part was under warranty. I found Southern Maine on a google search and gave them a call. Sam called my back immediately.”
Big Pappa
August 2025
“Steve and Nate do an amazing job. I have been using this company for 5 years for heat pump cleaning, highly recommended.”
Sandra McKinney
November 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?
If your heat pump is losing efficiency or breaking down, do not wait for a mid-winter failure. Schedule a free assessment and let our team show you how much you could save with a modern, high-efficiency replacement. We handle everything from old-unit removal to rebate paperwork so you can enjoy worry-free comfort all year long.
Call us directly at (207) 317-1077 or fill out the form to get started.