HVAC Services in Portland, Maine
Portland's housing is unlike anywhere else in Maine — century-old Victorians on Munjoy Hill, converted multi-families in the West End, and tight waterfront condos downtown. Southern Maine Mechanical knows how to bring modern, efficient comfort to these buildings without tearing up the character that makes them worth living in.
Need HVAC service in Portland? Call Southern Maine Mechanical today at (207) 560-7890 or request service online.
Serving Portland
Local HVAC Service in Portland & Cumberland County
Portland is Maine's largest city — a dense mix of historic Victorians on Munjoy Hill, converted multi-family homes in the West End, and newer condos on the waterfront. Many of these buildings are 80–120 years old with original radiator systems, aging ductwork, and single-pane windows that make efficient heating and cooling a real challenge.
We're an authorized Efficiency Maine contractor and handle all rebate paperwork for qualifying heat pump installations in Portland. Many homeowners qualify for $1,500–$10,000 in state rebates plus federal tax credits — we make sure you get what you're entitled to.
Schedule Service in Portland
(207) 560-7890 Free Estimates"James showed up on time, explained exactly what was wrong, and fixed it for exactly what he quoted. This is how every contractor should operate."
— Google Review · Southern Maine
Homes We Work On
Homes & Buildings We Service in Portland
Much of Portland's housing stock is 80 to 120 years old. We work daily in homes with original cast-iron radiators, balloon-framed walls with no good chase for ductwork, and mechanical rooms barely big enough to turn around in. Ductless mini-splits are often the cleanest answer for these spaces, while many West End and East End owners keep their boilers and simply add cooling. We also service the newer waterfront condos where space is tight and quiet operation matters.
Why Homeowners Call Us
Why Homeowners in Portland Call Southern Maine Mechanical
Portland homeowners call us because we don't force a one-size-fits-all system onto an old house. We figure out where equipment can actually go, protect plaster and hardwood while we work, and explain the trade-offs in plain language. Landlords with multi-family buildings appreciate that they reach the owner directly instead of a dispatch queue.
Areas We Cover
Neighborhoods We Serve in Portland
We provide heating, cooling, and heat pump service across every corner of Portland and the surrounding Cumberland County communities — including these neighborhoods and areas:
Service Area
Portland, Cumberland County
ZIP codes: 04101, 04102, 04103, 04104
What We Do
Heating, Cooling & Heat Pump Services We Provide in Portland
From boiler tune-ups in West End multi-families to mini-split installs in Old Port condos, here's the full range of HVAC work we handle for Portland homes and buildings:
Heat Pump Installation & Repair
Cold-climate heat pumps rated to -13°F or colder — perfect for Maine winters. We install, service, and replace all major brands including Mitsubishi, Bosch, Bryant, and Daikin. Efficiency Maine rebates handled.
Learn more about Heat Pump Installation & RepairMini-Split Installation
Ductless mini-splits are ideal for homes without existing ductwork, additions, garages, and supplemental zoning. We install single-zone and multi-zone systems and handle all electrical and refrigerant work.
Learn more about Mini-Split InstallationFurnace Repair & Replacement
Gas and propane furnace service, repair, and installation. We work on all brands and fuel types, diagnose problems honestly, and recommend repair vs. replacement based on your system's actual condition.
Learn more about Furnace Repair & ReplacementBoiler Repair & Replacement
Hot water and steam boiler service across all brands. Maine homes with older boiler systems get honest advice — whether to repair, tune up, or replace with a high-efficiency model or heat pump.
Learn more about Boiler Repair & ReplacementCentral AC Repair & Replacement
Central air conditioning service, diagnostics, and replacement. We also upgrade aging AC systems with modern heat pump alternatives that provide both efficient cooling and heating in one unit.
Learn more about Central AC Repair & ReplacementWater Heater Service
Tank and tankless water heater installation, repair, and replacement. We work with gas, propane, and heat pump water heaters and can advise on the most efficient option for your household.
Learn more about Water Heater ServiceEmergency HVAC Service
No heat in the middle of a Maine winter requires fast response. We prioritize heating emergencies and work to get your system back up as quickly as possible — with direct communication from a real technician.
Learn more about Emergency HVAC ServiceWhy Us
Why Choose Southern Maine Mechanical in Portland?
Owner-Operated
Meet the Owner — James Kuntz
Southern Maine Mechanical is owner-operated by James Kuntz, serving homeowners and businesses throughout Southern Maine — including Portland — with professional HVAC service, installations, and repairs. When you call, you reach James directly, not a call center, and he's personally involved in every job from the first quote to the final walkthrough.
Reviews
What Portland Homeowners Say
"James added mini-splits to our 1900s West End house without touching the plaster — clean, quiet, and exactly what he quoted."
— Homeowner · West End
"Our boiler died in January and Southern Maine Mechanical had heat back on fast. Straight answers and a fair price."
— Homeowner · Munjoy Hill
"Finally have cooling upstairs in our Back Cove cape. The install was tidy and he walked us through the rebates."
— Homeowner · Back Cove
Our Coverage
Serving Portland, Maine and Nearby Areas
Southern Maine Mechanical is based in Gorham and serves Portland and the surrounding Cumberland County communities. Use the map below to see our Portland service area.
FAQs — HVAC Service in Portland, Maine
Local HVAC Help You Can Count On
Need HVAC service in Portland? Call Southern Maine Mechanical today at (207) 560-7890 or request service online. You'll reach James directly — not a call center.