The Best HVAC in South Portland, ME

Compare the highest-rated hvac professionals in South Portland, Maine. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Casco Bay Climate Control

4.8
(127 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling solutions tailored to Maine's coastal climate. Experts in heat pump installations, furnace replacements, and comprehensive ductwork services for older New England homes. Known for their 24/7 emergency response and expertise in combating humidity and salt-air corrosion.

85 Ocean Street, South Portland, ME 04106

Specialties & Features

24/7 Emergency Service
Heat Pump Installation & Service
Coastal Climate HVAC Solutions
Ductwork Design & Sealing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Portland Heating & Cooling Co.

4.6
(94 reviews)
Verified

A trusted local provider with deep expertise in oil and gas furnace service and repair, critical for South Portland's cold winters. They offer comprehensive HVAC maintenance plans, AC tune-ups, and specialize in energy efficiency upgrades including hybrid system installations. Their technicians are NATE-certified and EPA 608 certified.

420 Main Street, South Portland, ME 04106

Specialties & Features

Furnace Repair & Installation
HVAC Maintenance Plans
Energy Efficiency Audits
Oil & Gas System Experts

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Maine Energy HVAC Services

4.5
(83 reviews)
Verified

Specializes in modern, energy-efficient HVAC system replacements and upgrades, helping homeowners reduce heating costs in Maine's harsh winters. They are authorized dealers for top-tier brands like Carrier and Trane. Strong focus on professional installation, indoor air quality solutions, and responsive repair services for all makes and models.

2003 Broadway, South Portland, ME 04106

Specialties & Features

Energy Efficiency Upgrades
System Replacement Experts
Indoor Air Quality Solutions
Authorized Carrier & Trane Dealer

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in South Portland

The South Portland HVAC market is characterized by high demand for reliable heating due to cold, humid winters and a growing interest in efficient cooling for short but increasingly warm summers. The coastal environment requires systems resistant to salt-air corrosion. Homeowners prioritize energy efficiency to combat high heating oil and electricity costs, leading to strong demand for heat pumps, high-efficiency furnaces, and system upgrades. Emergency service capability is a critical differentiator due to the potential for dangerous winter system failures.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with South Portland regulations and climate

Frequently Asked Questions About HVAC in South Portland

Get answers to common questions about hvac services in South Portland, Maine.

1What is the best time of year to schedule a new furnace or heat pump installation in South Portland?

The ideal times are during the "shoulder seasons"—late spring (May-June) or early fall (September-October). During these periods, HVAC companies in the Greater Portland area have more availability, and you can avoid the high-demand winter rush when emergency breakdowns are common. Scheduling ahead ensures your system is fully operational before our harsh Maine winters set in, and you may find more competitive pricing outside of peak season.

2How much should I expect to pay for a new central air conditioning system in a typical South Portland home?

For a standard, high-efficiency central AC system installed in a typical 1,500-2,500 sq ft South Portland home, homeowners can expect a range of $5,000 to $9,000. Final costs depend on home layout, existing ductwork condition, and the system's SEER rating. Given our relatively short but increasingly humid summers, investing in a properly sized, efficient unit is crucial for comfort and managing operating costs.

3What should I look for when choosing an HVAC contractor in the South Portland area?

Prioritize local, licensed, and insured contractors with strong reputations for our specific climate challenges. Look for NATE-certified technicians, experience with both heating (especially for our cold winters) and cooling systems, and clear, written estimates. Check reviews and ask for references from South Portland neighbors to gauge their reliability, response time during winter storms, and familiarity with local codes and Efficiency Maine programs.

4My heat pump seems less efficient during very cold snaps. Is this normal for Maine winters?

Yes, this is a common and important local consideration. Standard air-source heat pumps lose efficiency as outdoor temperatures drop, typically below 25-30°F. For our Maine climate, a properly designed system often includes a "cold-climate" heat pump model or a hybrid system that integrates a backup heat source (like a gas furnace or electric resistance) for the coldest days. A local HVAC professional can assess your specific setup and ensure it's correctly configured for our winter extremes.