24/7Commercial: HVAC & Plumbing Services

Expert Commercial HVAC & Plumbing Services You Can Count On

Keeping your business running comfortably and efficiently with 24/7 emergency response and expert commercial mechanical solutions.

Downtime costs your business money. At 911 Mechanical, we deliver rapid, reliable, and comprehensive mechanical solutions tailored to your facility’s unique needs. Our expert team is fully certified for parts and labor on all major brands of HVAC and Plumbing products, ensuring your equipment is serviced to the highest manufacturer standards.

01Commercial Cooling

Commercial Cooling Solutions

When the heat rises, your business can’t afford to lose its cool. We provide comprehensive commercial cooling services designed to keep your employees productive, your customers comfortable, and your sensitive equipment safe. From routine servicing to emergency replacements, we handle systems of all scales and complexities.

Services Include

  • Rooftop Units (RTUs) Installation & Repair
  • Commercial Split & Ductless Systems
  • Chillers & Cooling Towers
  • 24/7 Emergency Cooling Repair
A crane lifting a commercial rooftop unit into place on a flat roof
Rooftop Units (RTUs) Installation & Repair

02Commercial Heating

Commercial Heating Services

Reliable heating is essential for the safety and operation of your facility during the colder months. Our certified technicians have the heavy-duty experience required to install, repair, and maintain complex commercial heating networks, ensuring consistent warmth and energy efficiency across your entire footprint.

Services Include

  • Commercial Furnaces & Unit Heaters
  • Rooftop Heating Units (RTUs)
  • Commercial Boilers & Radiant Heating Systems
  • Makeup Air Units
Commercial rooftop heating unit with its unit controller board
Install · Repair · Maintain

03Indoor Air Quality

Commercial Indoor Air Quality

The air quality in your facility directly impacts the health of your staff and the experience of your clients. We implement commercial-grade air quality solutions that remove contaminants, balance humidity, and ensure proper ventilation, creating a safer and healthier environment for everyone in your building.

Services Include

  • Heavy-Duty Commercial Duct Cleaning
  • Commercial-Grade Air Purifiers & Filtration
  • Industrial Humidity Control Systems
  • Makeup Air Systems & Ventilation Optimization
Technician replacing a commercial air filter in a rooftop unit
  1. Remove contaminants
  2. Balance humidity
  3. Ensure proper ventilation

04Commercial Plumbing

Commercial Plumbing Services

Commercial plumbing issues require immediate, specialized attention. Whether it’s a sudden pipe leak halting production or the need for a high-capacity water heating upgrade, our certified commercial plumbers have the tools and expertise to resolve the issue with minimal disruption to your daily operations.

Services Include

  • Commercial Tank & Tankless Water Heaters
  • Heavy-Duty Sump Pumps & Lift Stations
  • Commercial Pipe Repairs & Repiping
  • Backflow Prevention Testing & Installation

Remember, we are certified for parts and labor on all major plumbing brands.

Commercial plumbing system

05Planned Maintenance

Planned Commercial Maintenance Agreements

The best way to handle an emergency is to prevent it from happening in the first place.

Our custom Planned Maintenance Agreements are designed around your facility’s specific equipment and operational schedule. We take a proactive approach to mechanical care, helping you budget predictably and avoid catastrophic breakdowns.

Benefits of a Custom Agreement:

  1. Reduced Downtime

    Catch minor issues before they become major operations-halting problems.

  2. Lower Energy Costs

    Clean, optimized equipment runs more efficiently and uses less utility power.

  3. Extended Equipment Life

    Maximize the ROI on your expensive commercial HVAC and plumbing systems.

  4. Priority Service

    Jump to the front of the line when you need us most.

Industries We Serve

Serving Diverse Commercial Industries

Every commercial site possesses unique requirements. Our team maintains the proper training, licensing, and insurance necessary to deliver exceptional services across a wide range of commercial and industrial settings, including:

  • Retail Outlets & Shopping Centers
  • Corporate Offices & Professional Parks
  • Warehouses & Manufacturing Plants
  • Medical Clinics & Healthcare Facilities
  • Restaurants & Hospitality Venues
  • Property Management Real Estate Portfolios
Lennox Premier Dealer NATE Certified
Commercial Proposal

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Thank you! To make sure your request reaches our team, please send it through our quote form or call our 24/7 commercial dispatch.

OrCall 24/7 Commercial Dispatch · 586-247-7300