Heat Pump Installation | Southern Maine
Every Room.
Your Perfect Temperature.
Whisper-quiet heat pumps that deliver zone-by-zone comfort: heating and cooling, all year. Installed by one of fewer than 5% of contractors to earn Mitsubishi Diamond status.
- Zone-by-zone heating & cooling, one system
- Runs at 19 decibels, quieter than a whisper
- Efficiency Maine rebates up to $9,000. We handle the paperwork
- Most installations completed in 1–2 days
Schedule Your Free Assessment
Takes 30 seconds. We call within 1 business day.
Why Heat Pumps
It's Not Just a New Heating System
It's a different way to live in your home. Here's what changes the moment your heat pump is installed.
Zone-by-Zone Control
No more bundling up in the bedroom while the living room is 75°. Every room gets the exact temperature you want, independently.
Whisper Quiet
Mitsubishi heat pumps run at 19 decibels, quieter than a whisper. No rattling, clicking, or roaring. You'll forget it's even on.
Year-Round Comfort
The same system that keeps you warm through a Maine winter delivers efficient air conditioning in summer. No window units needed.
Cleaner Air
Built-in multi-stage filtration removes dust, pollen, and allergens. Advanced humidity control keeps your home comfortable without the dry, stuffy feeling of baseboard heat.
Lower Energy Bills
Heat pumps move heat instead of burning fuel. Switching from oil or propane significantly reduces your energy costs, and Maine's grid is one of the cleanest in the country.
Full Warranty Backed
Diamond Contractor status means you get the full Mitsubishi manufacturer's warranty, backed by a company that has been perfecting heat pump technology for over 100 years.
Why Choose Us
Why Maine Homeowners Choose Horizon Homes
There are a lot of contractors in Maine. Here's what makes Horizon different.
Mitsubishi Diamond Contractor
Fewer than 5% of HVAC contractors earn Diamond status. It means advanced factory training every year, the highest installation standards in the industry, and the full manufacturer's warranty for you.
Family-Owned. Not a Chain.
We're a local Maine company, not a private-equity-backed franchise. When you call Horizon Homes, you talk to people who live here and care about doing excellent work for their neighbors.
Rebates: We Handle Everything
Maine homeowners can receive up to $9,000 in rebates on heat pump installations. We're a registered Efficiency Maine vendor and take care of all the paperwork so you don't have to.
Precision Installation
A heat pump is only as good as its installation. Our crews follow Mitsubishi's exact specifications, protect your home during the job, and walk you through everything before we leave.
The Process
From First Call to Total Comfort
Simple, transparent, and no surprises. Here's exactly what to expect.
Free Home Assessment
We visit your home, evaluate your current heating and cooling situation, measure your spaces, and listen to what isn't working. No pressure, no sales tactics.
Your Custom Comfort Plan
We design a heat pump system tailored to your home. You'll see exactly which units go where, what the cost is, what rebates apply, and what to expect.
Professional Installation
Our Mitsubishi-certified technicians install your system with precision and care. Most installations are completed in one to two days.
Customer Reviews
What Maine Homeowners Say
Real reviews from real customers across Southern Maine.
"All work was performed in a timely and detailed manner. There was a HUGE attention to detail. All company associates were highly professional, extremely courteous, and demonstrated passion and compassion in their work. I highly recommend."
"The process of working with Horizon Homes was pleasant from start to finish. When cleanup was complete, it was like no one had ever been there. I cannot recommend Horizon Homes enough."
"An inspector from Efficiency Maine said 'Oh yeah, Horizon, their work is always great.' I'm a first-time homeowner, let me add to the five-star pile. Horizon Homes was the right decision for us."
Common Questions
Heat Pump FAQs
Everything Maine homeowners ask before making the switch.
Ready for a More Comfortable Home?
Your Free Assessment Is One Step Away
Schedule your free home assessment. We'll evaluate your home, answer your questions, and show you exactly what a heat pump system can do for your comfort, and what it will cost.
Currently booking assessments for March and April 2026.
Schedule Your Free Assessment
Takes 30 seconds. We call within 1 business day.