Heating & Air Conditioning Expert with 25 years of experience


24h Emergency Service

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Call Today ‪(919) 762-6267‬

1035 Martin Tavern Rd,Morrisville, NC, USA 27560

We Are Your Trusted Contractor For HVAC, Appliance And Fireplace Services!

Need Emergency Service?

Trust Your Fireplace To Certified Professionals!

We Offer All Kinds Of Services In Heating And Cooling!

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We Will Help You To Make Your Home Smart And Energy Efficient!

‪(919) 762-6267

Meet the Greenergy Experts

We pride ourself on being a one stop shop that is able to meet all of our client’s needs. In addition to expert service technicians, have a full time on staff engineer. Our goal is to provide the highest quality design and installation services, on schedule, and on budget along with outstanding customer service. We understand that time and cost are crucial so we strive to go above and beyond our clients’ expectations.
For our customers’ peace of mind, we offer valuable money saving service and maintenance contracts. Please call for additional details.

24 Hour Emergency Service

We can provide expert 24 hour Emergency Service available to you 365 days a year for your all you’re Heating, ventilation and air conditioning (HVAC) needs.

Call us now at ‪(919) 762-6267‬ Follow the prompt for Emergency service.

25 Years Experience

We have over 25 years experience in the heating, ventilation and air conditioning industry (HVAC). We believe in quality customer service.

We are here when you need us to service both your residential and commercial properties!


Winter Savings!

$25 off

Save $25.00! May be applied to your next Service Call, Heating Maintenance or Repair.

Maintenance Savings

25% off

Pay only $150 for the first System & $75 for each additional (Regularly $200/$100) for Heating & Cooling Maintenance when you purchase a two or more year membership with the Greenergy Experts.

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    Our Services

    Heating & Cooling installation

    We offer high quality installation of residential and commercial air conditioning with the use of professional equipment and fine materials, at a lower cost. Although we prefer Trane and American Standard, due to it's top 12 out of 13 years Customer satisfaction, we can get whatever brand you want!

    Maintenance and repair

    We provide a full range of repair and maintenance of All brands of Heating and Cooling systems. Carrier/Bryant, Trane/American Standard, Rheem/Rudd, Heil/ICP, York, Goodman/Amana and More! We have you covered With our expert Service Technicians

    Semi-Annual maintenance inspection Agreements

    Save Money and ensure peace of mind. Let Greenergy keep your system well tuned for the harsh seasons to come. Air conditioning systems are regulated appliances, requiring expert maintenance to properly function at the best rate of energy consumption and reliability. Once in the spring and once in the fall we will visit, change the filters and go over your whole system with a 48 point checklist. We will schedule these appointments at your convenience. All Maintenance agreement customers get 15% off labor and parts as well as reduced emergency rates.

    Air Quality - Filters, Humidifiers, Dehumidifiers

    In these times most customers are very concerned about air quality. Let our engineering department determine the source of the issue. We sell and service air-filtration system, plasma air scrubbers and UV lights. Many of our products do kill the Covid Virus! Plus we are experts installers of whole house steam humidifier or dehumidifiers and their controls. Call us today to schedule a Home air analysis.

    Gas Fireplace Sales & Services

    We sell them and we service them. YES! That's right, we are one of the few companies in the area who service your gas log fireplace. We often stock the needed part and can get it fixed the very same day you call. Do you have an old brick wood burning fireplace you want to convert to gas? We can do it!


    Mini-Split systems are great solutions for HVAC when adding on a room, finishing an attic, enclosing a porch, or adding climate control to the garage. In addition, they are very efficient and cost effective with SEERs in the 20 plus range. We prefer LG because of their tech support and reliability. But we handle the other brands as well!

    Our Partners


    Amanda Seyfried

    Raleigh, NC

    I have never had such a pleasurable experience with heating and air conditioning company in the Raleigh Area. The technicians were courteous, professional, and a pleasure to work with.

    Thomas Michael

    Chapel Hill, NC

    We have used Greenergy HVAC & Fireplace for many years for heating and now plumbing. They set up appointments promptly, show up when they are supposed to, and do excellent work. I would highly recommend Greeenergy!

    • My gas fireplace was malfunctioning so I did a google search and saw several very good reviews for GREENERGY.

      The owner, Mark Haas came personally in just a few days. Do NOT listen to Dominion Energy if they tell you a licensed plumber could service your gas fireplace.

      Mark quickly found what was causing the problem, explained and showed me what he found. But, he also found that the glass was not clipped into place which would allow carbon monoxide fumes into my home.

      I would highly recommend him for any of the services they provide.

      thumb Mary Dilliner
      February 13, 2022

      The workman did a quick, excellent job. I highly recommend them.

      thumb Barbara Pearman
      March 16, 2022

      Great customer service. Fast and knowledgeable repair!

      thumb C Rush
      March 13, 2022
    • Our gas fireplace wasn't working and Greenergy was able to respond quickly. They addressed the problem at a reasonable price!

      thumb Jacqueline Shepherd
      April 9, 2022

      Fireplace repair. Mark did a fantastic job!

      thumb Alexander Jakubow
      March 30, 2022

    Tips and Tricks


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    With Americans spending more time at home in the past year, they’ve placed a greater focus on their homes’ health, safety and comfort. In fact, a recent survey from YORK® found more than one-quarter of homeowners…


    Is a More Expensive HVAC Filter Better?

    HVAC Air Purifiers Whole-house air purifiers are becoming an increasingly popular component of the heating and cooling systems in many homes. Wondering why? Check out the benefits below! Fewer allergy symptoms. Unlike standard air filters,…