Family Owned and Operated Plumbing, Heating and Air Conditioning Contractors

William G. Day Heating, Air Conditioning, Plumbing, and Water Heater Services

Family-Owned & Operated

At William G. Day Company, we’ve been family owned and operated for over twenty years. In that time we’ve set out to make a name for ourselves as the best plumbing, heating, and cooling company anywhere based on the principles of professional, honest, and quality service. Those principles come from being family owned and operated. When you choose us, we’re going to treat you as the friends and neighbors you are to our family and give you a higher level of service than you can find elsewhere.

HVAC Technician

24 Hour Emergency Heating, Air Conditioning, Plumbing, and Water Heater Repairs

When you have a plumbing, heating, or cooling emergency you don’t want to sit around in standing water, sweating in the heat, or freezing in the cold while you wait for normal business hours to make a service call. That is why we have made available our same professional, honest, and quality service twenty four hours a day, seven days a week, for when you have those unfortunate breakdowns or problems. No matter the time of day, we’re here ready to help you get back to enjoying your home.

Heating & Air Conditioning Maintenance

Regular maintenance is the most essential, and simple, step in owning and caring for an air conditioning system. Failure to perform regular maintenance is the number one cause of preventable issues with a home air conditioning system and we see the problems that arise from that all too often. Our William G. Day Company technicians will take their time on your air conditioning systems when performing maintenance so you can be sure that your system will operate at peak performance for years to come.

HVAC Installation

Heating & Air Conditioning Installation and Replacement

There’s a lot of skill that goes into replacing or installing a new air conditioning system. It takes years of both classroom and on-the-job training to be able to perform one with the skill levels that all of our technicians perform at. When you need a new system installed, or parts replaced, you want to know that you’re going to have the most professional and honest technicians and receive the highest quality service. For all of us here, that is our raison d’être; providing you with the very best. It’s where we draw our motto of, “What a difference a Day makes!” from.

Heating & Air Conditioning Financing

Heating and air conditioning equipment are highly complex and precision engineered systems of equipment and their costs do often reflect that. But with our special financing options you don’t have to worry about breaking the bank with a large up-front investment. We have a number of different financing options available to suit every need and budget. We will work with you to find not only the best prices on equipment but the best financing options for you, too.

Carrier Factory Authorized Dealer

One of the things we’re very proud of at William G. Day is being a Carrier Factory Authorized Dealer. Carrier was the company that first invented the modern air conditioning system as we know it and since that day in 1901, they have been at the forefront of heating and air conditioning technology. We carry a full line of Carrier products from heating and air conditioning systems, to indoor air quality equipment, and even modern geothermal technology. When you choose Carrier you’re getting the very pinnacle of HVAC technology and engineering.

Plumbing Services

Since our inception as a company we’ve sought to provide the very best in plumbing service available not just in Wilmington and the surrounding areas, but anywhere. When you demand honest, professional, and quality plumbing service, William G. Day Company is the company you go to. We handle plumbing leaks, repairs, toilet repairs, and water heater replacement and installations. For over twenty years, Wilmington has continued to rely on us as their go-to choice for plumbing repairs and installations.

Water Heater Services

Whether you’re in the market for a new water heater, or need service on an existing one, we have the experience, skill, and most importantly, the professional, honest, and courteous customer relations you demand from a company. We service and install all makes and models of water heaters. Gas, electric, heat pump, or boiler, we’re fluent in them all.

Geothermal Services & Products

Geothermal technology is quickly becoming our customers choice for their heating and air conditioning equipment. Not only is geothermal technology very green, but it is also incredibly efficient. Our Carrier geothermal heat pumps can be vastly more efficient than a traditional air conditioning system and save you thousands of dollars over the lifespan of the equipment. We are very proud to carry a full line of geothermal equipment by Carrier and service existing geothermal equipment.

When you demand the very best HVAC and plumbing service, and professional, honest, and caring customer relations, give us a call today!

Need service late at night? We’re here twenty-four hours a day, seven days a week, so call us no matter the time to schedule service or repair!


Proud To Be Affiliated With:

BPI Logo

Schedule Appointment