What are the opening hours?

Monday 7am - 4:30pm Tuesday 7am - 4:30pm Wednesday 7am - 4:30pm Thursday 7am - 4:30pm Friday 7am - 4:30pm

Breen & Sullivan Mechanical Services

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United States
Wilmington, MA
Breen & Sullivan Mechanical Services

HVAC Services in Danvers, MA Breen & Sullivan Mechanical Services, Inc. Our commitment to quality and customer satisfaction is our first priority.

is committed to providing our customers with the best Heating, Ventilation, and Air Conditioning services and installations at reasonable prices. We have developed a reputation as industry leaders and work hard to keep it that way. With over 36 service trucks manned by the best trained technicians, we have a widespread service area, providing prompt professional service. We provide installation an

d service of all types of Heating, Ventilation, and Air Conditioning systems. We proudly offer products from reliable brands such as American Standard/Trane, Carrier, Bryant, and Lennox equipment and we also service all other manufacturer's equipment. is committed to providing our customers with the best Heating, Ventilation, Air Conditioning, Plumbing, and Sprinkler/Fire Protection and Controls services and installations at reasonable prices.

02/04/2026

As winter winds down, now’s the time to get ahead of spring upgrades. Aging HVAC, outdated electrical systems, or plumbing challenges? Let’s plan your retrofit before the rush.

Our in-house design-build team handles every step, from system evaluations to scheduling, permitting, and project management, so you're ready to go when spring hits.

🔹Avoid scheduling delays
🔹Improve efficiency and long-term ROI
🔹Ensure a smooth, coordinated project launch

Start planning now: (978) 777-1114 or breenandsullivan.com

01/28/2026

Even a short power outage can create big problems in winter. That’s why our team delivers generator servicing tailored for commercial and mission-critical environments.

We support facilities across industries:
🔹Healthcare
🔹Utilities & energy
🔹Manufacturing
🔹Commercial buildings
🔹Mission-critical systems

With certified generator techs and full-service MEP expertise, we help you:
🔹Prevent costly downtime
🔹Protect temperature-sensitive equipment
🔹Extend system lifespan
🔹Ensure reliable power during any storm

Let’s get your generator winter-ready.

📞 (978) 777-1114 | breenandsullivan.com/contact-us

01/14/2026

Backflow prevention is critical for any commercial plumbing system. One failure can allow contaminated water to enter your clean supply in seconds.

Our certified plumbing team ensures your facility stays safe and compliant with:
🔹Backflow device installation and repair
🔹Valve and pressure assembly testing
🔹Air gap inspections
🔹Water quality testing

Backflow risks aren’t just about compliance — they affect safety, equipment, and operations.

Let Breen & Sullivan keep your systems protected. Feel free to reach out anytime: (978) 777-1114 or breenandsullivan.com

01/06/2026

When winter storms hit, a failing generator can bring everything to a halt.

Breen & Sullivan offers expert generator servicing alongside HVAC, electrical, and plumbing support — all under one roof.

Here’s what a winter-ready generator protects you from:
🔹Power outages during snowstorms or subzero temps
🔹Operational downtime at commercial and mission-critical sites
🔹Equipment damage and safety risks

Let’s make sure your facility stays powered and protected this winter.
📞 (978) 777-1114 | breenandsullivan.com

12/25/2025

As Christmas arrives, we’re reminded of the importance of slowing down and appreciating the people we’ve had the privilege of working with and supporting. That said, we’re truly grateful for your trust and partnership this time of year and always.

On behalf of the entire team at Breen & Sullivan Mechanical Services, we're wishing you a joyful and restful Christmas, surrounded by the people who matter most.

12/19/2025

We’re growing to better serve you. Breen & Sullivan has officially expanded our full-service MEP offerings.

Here’s what this means for you:
🔹Generator installation, service & emergency response
🔹Expanded electrical expertise
🔹Deeper support for mission-critical environments
🔹More integrated HVAC, electrical & plumbing solutions

More services. Same trusted team. Schedule your appointment today: (978) 777-1114 or breenandsullivan.com

12/17/2025

Winter plumbing issues can escalate fast — cracked pipes, frozen lines, and water heater failures are common when temps drop.

Our plumbing team provides winterization, inspections, repairs, and backflow prevention to keep your systems protected and operational.

Now’s the time to get ahead of freeze risks.

📞(978) 777-1114 | breenandsullivan.com/contact-us

12/11/2025

Cold weather puts your HVAC system to the test. Winter is when worn parts fail and energy bills spike, unless you're prepared.

A preventative maintenance visit now helps prevent emergency repairs later. Our team checks performance, catches early issues, and ensures your facility stays efficient, safe, and comfortable all season long.

Let’s get your HVAC ready for winter.
📞(978) 777-1114 | breenandsullivan.com

Address

3 Lopez Road
Wilmington, MA
01887

Opening Hours

Monday	7am - 4:30pm
Tuesday	7am - 4:30pm
Wednesday	7am - 4:30pm
Thursday	7am - 4:30pm
Friday	7am - 4:30pm

Website

http://www.breenandsullivan.com/

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