Armus Mechanical – Fairhaven’s Local HVAC & Energy-Saving Experts
At Armus Mechanical, we’re proud to serve Fairhaven, MA with reliable HVAC services, ductless mini split installations, and full-service heating and plumbing solutions. From system upgrades to emergency repairs, we bring clean, licensed, code-compliant work to homeowners and businesses across Fairhaven.
CALL 1-508-521-9477
❄️ Ductless Mini Split Installations
Mini split systems offer efficient, room-by-room heating and cooling with no ductwork required. We install single- and multi-zone systems in homes, additions, and offices across Fairhaven.
Fairhaven Customers Often Ask:
- Do mini splits qualify for energy rebates?
- Can one system heat and cool multiple floors?
Learn more: Ductless Systems
♨️ Boiler Repairs & Upgrades
Our team provides boiler services for steam and hot water systems, including radiant and baseboard heating. We handle emergency repairs, tune-ups, and full replacements.
Common Questions:
- What size boiler do I need for my home?
- Is a condensing boiler worth the investment?
Learn more: Boiler Services
🌬️ Air Conditioning Services
Beat the summer heat with central and ductless AC installation, repairs, and maintenance. We help you choose the most efficient system for your layout and budget.
Popular AC Questions:
- How can I improve indoor air comfort?
- Should I upgrade from a window unit to central AC?
Learn more: Air Conditioning Services
🚰 Plumbing Repairs & Installation
We provide plumbing services in Fairhaven for everything from faucet replacement to full repiping. Our plumbers are fast, clean, and always on time.
What Fairhaven Residents Ask:
- Do you offer emergency leak repair?
- Can you move plumbing during a kitchen remodel?
Learn more: Plumbing Services
🔥 Furnace Services
Keep your heating system running strong with furnace repair and installation for gas and oil units. We offer high-efficiency upgrades and seasonal maintenance.
Before You Upgrade:
- Is it better to replace or repair a 15-year-old furnace?
- Will a variable-speed blower save me money?
Learn more: Furnace Services
🚿 Water Heater Replacement
We install and service tank and tankless water heaters, including hybrid models. Enjoy reliable hot water and better energy performance.
Things to Consider:
- What’s the ideal water heater size for a family of five?
- How do tankless systems compare in efficiency?
Learn more: Water Heater Services
🔁 Heat Pump Systems
Heat pumps provide both heating and cooling in one system. We install high-performance units that qualify for rebates and handle year-round comfort efficiently.
Common Questions:
- Will I need backup heat for my heat pump?
- Do inverter heat pumps run more quietly?
Learn more: Heat Pump Services
💧 Radiant Floor Heating
We install radiant heating systems under tile, hardwood, and concrete floors for warm, silent comfort throughout your home.
Fairhaven Residents Ask:
- Is radiant heating more efficient than baseboard?
- Can I add it during a bathroom remodel?
Learn more: Radiant Heating
⚡ Electrical Upgrades & HVAC Tie-Ins
Need a dedicated circuit or panel upgrade? Our licensed team provides electrical services for mini splits, tankless systems, heat pumps, and smart thermostats.
Common Requests:
- Do I need to upgrade my panel for ductless installation?
- How many amps does a heat pump draw?
Learn more: Electrical Services
🔄 Oil to Gas Conversions
Switch to efficient, clean-burning natural gas with our full-service oil-to-gas conversions. We handle all permitting, piping, and equipment upgrades.
Things to Know:
- Will I save money switching from oil to gas?
- Can I keep my existing radiators or baseboards?
Learn more: Oil to Gas Conversions
🧠 Smart HVAC Technology
Gain more control and efficiency with smart thermostats, zoning systems, and Wi-Fi controls that put your comfort in your hands.
Top Questions:
- Can I create custom temperature schedules?
- Are these compatible with my existing system?
Learn more: Advanced Technological Solutions
🏢 Commercial HVAC & Plumbing
Armus Mechanical provides commercial services for local Fairhaven businesses. From multi-unit HVAC installs to restaurant plumbing, we keep your business running smoothly.
Business Owners Ask:
- Do you offer scheduled maintenance plans?
- Can you work off-hours or weekends?
Learn more: Commercial Services
✅ Why Choose Armus Mechanical in Fairhaven, MA?
- Fully licensed and insured HVAC & plumbing experts
- Mass Save certified contractor
- Prompt, clean, and professional service
- Experts in mini splits, boilers, and electrical upgrades
- Emergency repair services available
📞 Call 508-521-9477 or 📧 Email us to request your free estimate today.
Serving Fairhaven and nearby towns: Acushnet, Mattapoisett, New Bedford, and Dartmouth.
Jessica Lombard
I highly recommend Armus hvac services. They were fast and efficient. They responded in a friendly manner and communicated well regarding the issue and resolution. They even sent pictures of the before and after work. I would absolutely use their services again in the future.
Genoveva Carreiro
My overall experience with Eddie and Kevin was truly excellent.From my initial contact with Eddie to the completion of the service, I was consistently impressed by the professionalism of the team. It’s not often that one encounters such a high level of commitment to customer satisfaction. I will certainly be recommending Armus Mechanic to my family and friends. Thank you again for the wonderful experience. Sincerely, Genoveva Carreiro
Ania Brown
Our tech was professional, knowledgeable and very honest which is hard to find these days. Definitely someone and a company that you would make a long lasting relationship with. Would always recommend to others.

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Providing quality and friendly service throughout Southern New England.