Armus Mechanical – Chatham’s Reliable HVAC & Heating Professionals
Looking for a trusted contractor in Chatham, MA to handle your HVAC, mini split, or plumbing project? At Armus Mechanical, we deliver prompt, professional service for Cape Cod homeowners and business owners alike. Our team specializes in ductless systems, boilers, AC systems, and full-service plumbing. Mass Save certified and fully licensed, we’re your go-to provider in Barnstable County.
CALL 1-508-521-9477
🌡️ Heating System Services
Our licensed techs service and install all types of heating systems, including heat pumps, furnaces, and radiant floor heating. We ensure your home stays comfortable throughout harsh New England winters.
Chatham Residents Ask:
- How can I lower my heating bill in winter?
- Is radiant heat better than forced air?
Learn more: Heating Services
⚡ Electrical Services for HVAC Equipment
Our team handles HVAC-specific panel upgrades and tie-ins for equipment like heat pumps, mini splits, and tankless water heaters. Safe, code-compliant wiring every time.
What Locals Ask:
- Will my current panel support a new ductless system?
- Do I need surge protection for HVAC equipment?
Learn more: Electrical Services
❄️ Mini Split Installations
Perfect for cottages, sunrooms, and additions, ductless mini split systems offer zoned heating and cooling without ductwork. We install single- and multi-zone systems throughout Chatham.
Common Inquiries:
- Do mini splits qualify for rebates in MA?
- Can they heat efficiently during coastal winters?
Learn more: Mini Split Systems
🌬️ Air Conditioning Services
Whether it’s a new central air system or ductless AC, we offer installations, diagnostics, and seasonal tune-ups. Maintain cooling comfort all summer long.
AC Topics We’re Asked About:
- Why is my system not cooling evenly?
- Is ductless more efficient for coastal homes?
Learn more: Air Conditioning Services
♨️ Boiler Installations & Service
We handle boiler repairs, replacements, and upgrades for homes that use radiant or baseboard heat. Trust us for clean, reliable heating solutions.
People Often Ask:
- Can I convert from steam to hot water heat?
- What size boiler do I need for a Cape-style home?
Learn more: Boiler Services
🚿 Water Heater Services
Need a new water heater? We install and service tank and tankless models, including electric, hybrid, and high-efficiency gas systems.
Homeowner Questions:
- Which is better: tank or tankless?
- How do I know if my water heater is undersized?
Learn more: Water Heater Services
🧠 Smart HVAC Solutions
We install smart thermostats, zoning systems, and Wi-Fi-enabled controls to boost convenience and savings for Chatham homes.
Smart System FAQs:
- Can I automate heating and cooling by room?
- Do you offer smartphone app integration?
Learn more: Smart HVAC Options
🚰 Plumbing Services
From re-piping to fixture installs, we provide residential and commercial plumbing services with clean, code-compliant workmanship.
Frequently Asked:
- Do you install water lines for new additions?
- Can I schedule same-day service for a leak?
Learn more: Plumbing Services
🔄 Oil to Gas Conversion
We handle complete oil-to-gas conversions, from equipment swaps to permitting and venting. Improve efficiency and qualify for incentives.
Topics We Cover:
- Will my chimney need a liner?
- Can I use my existing hydronic system?
Learn more: Oil to Gas Conversions
🏢 Commercial HVAC in Chatham
We install and maintain multi-unit HVAC systems, rooftop units, and plumbing infrastructure for local shops, restaurants, and commercial spaces.
What Businesses Ask:
- Do you offer HVAC maintenance contracts?
- Can you coordinate weekend or off-hour installs?
Learn more: Commercial Services
✅ Why Chatham Homeowners Choose Armus Mechanical
- Mass Save certified contractor
- Highly rated across Cape Cod towns
- Emergency HVAC & plumbing repairs available
- Specializing in mini split systems and radiant heating
📞 Call 508-521-9477 or 📧 Email us to book your free estimate in Chatham today.
Proudly serving Chatham and neighboring towns: Harwich, Orleans, and Brewster.
Leanne Perry
Ed and Kevin are great! They know their business and are there that day or the next morning. Took care of my issue from a chipmunk that took up residence in our condenser and met his fate. The company goes above and beyond to make sure all is satisfactory before they leave. I will continue to call them for my HCAC needs 🙂

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