Armus Mechanical – Hyannis HVAC & Ductless Cooling Experts
At Armus Mechanical, we provide professional HVAC services, mini split installations, and heat pump solutions for homes and businesses in Hyannis, MA. Our certified technicians are fully licensed, Mass Save approved, and experienced in providing energy-efficient heating and cooling all year long.
CALL 1-508-521-9477
🚿 Water Heater Services
We install and service tank and tankless water heaters including hybrid and high-efficiency models. Enjoy consistent hot water year-round in Hyannis.
What People Ask:
- What’s the recovery rate for a tankless unit?
- Is a hybrid water heater ideal for Cape Cod homes?
Learn more: Water Heater Services
🌬️ Air Conditioning Installation & Repair
Our team installs and services central air and ductless cooling systems. Beat the Hyannis heat with energy-efficient cooling options tailored to your home.
Client Concerns:
- Why is my AC running but not cooling?
- Should I upgrade to a higher SEER-rated system?
Learn more: Air Conditioning Services
♨️ Boiler Services
We specialize in safe, code-compliant boiler installations and repairs for both steam and hot water systems. Great for baseboard or radiant heating setups.
Popular Questions:
- What size boiler do I need for my home?
- Should I switch from steam to hot water?
Learn more: Boiler Services
🔁 Heat Pumps
We install high-efficiency heat pump systems that cool and heat your home with one unit. Take advantage of Mass Save rebates and long-term energy savings.
Good to Know:
- Can heat pumps operate reliably on the Cape?
- Do I need backup heat with a heat pump?
Learn more: Heat Pump Services
🔥 Furnace Services
Our furnace services cover diagnostics, repairs, maintenance, and full replacements for oil and gas models.
Homeowners Ask:
- Why does my furnace short cycle?
- What’s included in a seasonal tune-up?
Learn more: Furnace Services
🧠 Smart HVAC Technology
Upgrade to smart zoning, thermostats, and controls. Our systems allow for remote access and programmable scheduling to lower energy costs.
Things We’re Asked:
- Can I use smart thermostats with ductless units?
- How do zoning systems improve comfort?
Learn more: Advanced HVAC Tech
💧 Radiant Floor Heating
We install in-floor radiant systems for bathrooms, kitchens, and basements. Get silent, even heating with no vents or fans.
Common Radiant Heat Questions:
- Is it safe to install under wood or tile?
- Does it work well in open layouts?
Learn more: Radiant Heating
⚡ Electrical Upgrades
We handle panel upgrades and tie-ins for all HVAC installations, including ductless, tankless, and hybrid systems.
We’re Frequently Asked:
- Will I need to upgrade my electrical service?
- What’s involved in adding a new subpanel?
Learn more: Electrical Services
🔄 Oil to Gas Conversions
We safely convert oil heating systems to natural gas, handling permits, piping, and venting.
Good Conversion Questions:
- What’s the cost difference between gas and oil?
- Will I need a chimney liner or new flue?
Learn more: Oil to Gas Conversions
❄️ Mini Split Ductless Systems
We install wall-mounted, ceiling cassette, and multi-zone mini splits for homes of all sizes in Hyannis.
Mini Split FAQs:
- Are mini splits energy-efficient in coastal climates?
- Can I get rebates for replacing window AC units?
Learn more: Ductless Systems
🚰 Full-Service Plumbing
From water line replacements to fixture upgrades and repiping, our licensed plumbers deliver clean, fast work for any job size.
Popular Requests:
- Do you offer bathroom remodel plumbing?
- Can you help reroute lines for additions?
Learn more: Plumbing Services
🏢 Commercial HVAC Services
We offer full commercial HVAC support, including rooftop units, restaurant ventilation, and multi-tenant fit-outs.
Business Owners Often Ask:
- Can installs be scheduled after hours?
- Do you support system-wide retrofits?
Learn more: Commercial Services
✅ Why Choose Armus Mechanical in Hyannis, MA?
- Mass Save approved contractor
- Full-service HVAC, plumbing & electrical under one roof
- Mini split and smart system specialists
- Emergency services and seasonal maintenance plans available
📞 Call 508-521-9477 or 📧 Email us to schedule your free estimate today.
Serving Hyannis and nearby towns: Barnstable, Yarmouth, Dennis, Mashpee, and beyond.

Have questions?
We’re happy to assist!
Providing quality and friendly service throughout Southern New England.