Greater Niagara Mechanical, Inc. is a full service mechanical contractor with the capability to design, construct, and service all piping/equipment associated with the commercial and industrial applications of heating/ ventilation/ air conditioning/ refrigeration (HVACR) systems. Our commitment to excellence began in 2007 when Greater Niagara Mechanical was founded. Since then, our talented staff has taken great pride in our company and the work that we perform. We strive to combine our knowledge and experience with our customers’ needs in order to produce the best possible solution.

Five Star Mechanical Inc. has set a companywide standard to deliver maximum heating and cooling comfort to all clients, every time. We offer dependable, trustworthy, quality service at an affordable rate. All of our technicians are thoroughly trained and deliver polite, clean, efficient service. We stand behind the work we preform and the products we offer. Our office staff is on hand to provide clients with quick, easy, helpful customer support. We offer our residential clients a family friendly, affordable service that can meet the needs of our diversified customer base. We have a great deal of respect for our client’s homes, property and time. We always use protective shoe covers and drops cloths to ensure clean, neat, no-mess service. Our exceptional staff is available to offer 24 hour support in emergency situations. We can accommodate the needs of many of our long time commercial clients by delivering fast, reliable, quality service when needed. Our competitive rates can’t be beat, and no other company can offer the FIVE STAR service we deliver. Our outstanding office staff is happy to accommodate all commercial clients scheduling, service and billing needs. Five Star Services Include: -Residential Air Conditioning and Heating Service, Installation & Repair -Commercial Air Conditioning and Heating Service, Installation & Repair -Commercial Refrigeration Service, Installation & Repair -Commercial and Residential Service Agreements -Commercial and Residential Preventative Maintenance -Commercial and Residential Indoor Air Quality Installation We look forward to providing you with exceptional service for years to come!

Total Comfort Group provides commercial HVACR, electrical, plumbing and project managment services to single and multi-site locations throughout the United States and Canada.

Our professionally trained HVAC technicians will install or replace your Central Heating and Air Conditioning unit. When planning the installation of your HVAC unit, we offer many affordable and energy efficient units to choose from. Although we prefer to use high end central air systems and heating units like Lennox and Trane we offer less expensive units that will suit your needs. Dakin and Mistubishi ductless units are a great option for rooms without space for ductwork. We install Aprilaire dehumidifiers and humidifiers, Honeywell and Nest thermostats. Our installation of geothermal water source heat pumps can save you up to 50% on air conditioning 70% on heating. At JJT Mechanical we offer full installation of Central air systems from 1.5 tons to 25 tons. We are proud to say we serve all of Long Island, NY. We are licensed and insured in both Suffolk and Nassau county. We are Government EPA certified. We are a Certified LIPA cool homes contractor. We work closely with many of Long Islands top home and commercial builders. We can suggest a custom plan for an affordable HVAC unit to suit your heating and cooling needs. Call us to schedule your free no obligation estimate for your new Residential or Commercial installation.

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Middle of the night and the A/C went out? No problem. Arvada Mechanical Corp. offers 24-hour service for any HVAC needs throughout Nassau County. With over thirty years of experience in the industry, Arvada’s specialists supply thorough and effective work to ensure that you and your family are comfortable and happy using a 23-point checklist. During this process, specialists check for and fix even the smallest details so that, when their job is done, your worries are gone. They understand that a majority of HVAC companies charge obscene rates for their services. At Arvada, they guarantee low prices and exceptional service every time you call. From the oldest A/C and heater units to the newest, they have you covered. Arvada also offers free estimates on new installations. Make an appointment by calling (516) 279-3322 today!