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G-Man for plumbing heating and air conditioning


Call the G-Man

Whether you need service, are planning a new heating or air conditioning installation project or have a plumbing emergency, we want to be your first call.

Gilman proudly serves Ashland, Mechanicsville, Glen Allen, Midlothian, Richmond and the Northern Neck. Our goal is to offer the industry’s best and most energy efficient products and to send expertly trained technicians to your home or business.

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Our Services


Gilman Heating Services


Gilman is on call for heating service & repairs 24/7. Warm-up your home with a properly maintained heating system. We eliminate cold zones, improve efficiency & solve humidity issues.

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Gilman Air Conditioning Services

Air Conditioning

At Gilman, our air conditioning installation and repair technicians are ready to help you meet your goals for cooling your home or business 24 hours a day, 7 days a week.

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Gilman Plumbing Services


Whether it's a clogged drain or dishwasher, an overflowing toilet, or a broken pipe, the matter needs professional attention and we are here to help day and night with any plumbing service.

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Gilman Commercial HVAC Services

Commerical HVAC

We provide a wide selection of commercial heating, cooling, and AC services designed to improve indoor comfort, lower utility costs and extend the lifecycle of the equipment.

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Gilman Comfort Plans

Comfort Plans

A Gilman Comfort Plan includes an all-points evaluation to check for proper operation and look for signs of component wear and failure for any age, make or model of a system.

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Trusted Company. Exceptional Team.

At Gilman, we're proud of our long-standing reputation in the community as a trusted HVAC company, but we wouldn't be where we are today without our talented team of technicians, plumbers, and customer service reps. The faces behind the Gilman brand are what make us the company we are today!


  • Donald Jacobs, Feb 3, 2020

    I wanted to say today service technician Jamie did an outstanding job. Not only did he show up on time he was very knowledgeable. I will be a life long customer now.

  • John Gentry, Feb 1, 2020

    The technicians (Jimmy and Brad) did an excellent job of installing the new HVAC equipment. They were on time both days, explained the work to be performed and cleaned up very well when the work was complete. I highly recommend Gilman to anyone who has a HVAC or plumbing need. As well, the entire team (Lori in the office included) were all very personable and a pleasure to work with. Respectfully, John G

  • Burke R., Jan 16, 2020

    Good reliable service. Technicians are friendly and knowledgeable.

  • Sheree C, Jan 9, 2020

    This was my first time receiving services from Gilman Heating, Cooling, and Plumbing. Chris and Calvin were awesome. They were respectful, showed up on time, and took the time to listen to my entire concern. I unfortunately had been dealing with zero hot water since October and trying to get it fixed through my warranty company. These guys knew their stuff and got me HOT WATER within 40 minutes!!! My only complaint is not calling them sooner. I cannot thank them enough for their time and expertise. This will definitely be my go to company for any future issues.

  • Della Anderson, Jan 2, 2020

    Although I have much to repair and replace...I think my technician really helped me to save money. And now all is installed...and I feel safe! Thanks! della

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A Proven History

Since 1917, when Gilman Heating, Cooling & Plumbing was first started as Gilman Bros. Plumbing & Heating, we have been guided by the same principles: earning the trust of our customers and taking pride in our workmanship.

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Providing Professional Service

Our company is based on the idea that great employees and great service go hand in hand.
With Gilman Heating, Cooling & Plumbing, you can expect:

hvac technicians


emergency heating, air conditioning and plumbing service

24-hour Emergency

hvac, heating, air conditioning, plumbing estimates


satisfaction on plumbing, air conditioning, heating services and repairs


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Join Gilman HVAC or Plumbing Team

We are always looking for qualified professionals. Want to work at Gilman? 

Click here to fill out an application.

We are celebrating over 100 years of caring for homeowners in Central Virginia by giving away $100 when temperatures fall below 20 degrees in partnership with some of our favorite local radio stations. Click on the station logos to enter for a chance to win $100 EVERY DAY the the temperature isĀ 20 degrees or lower!

 NATE CertifiedACCA Gilman Heating and Cooling BBB Business Review
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