Heating and Air Conditioning in Wilmington, DE

D&T Heating and Cooling in Wilmington, DE – Furnace & Air Conditioning Service, and Repair

When it comes to keeping your home or business comfortable, reliable heating and cooling systems are essential. In Wilmington, DE, and surrounding areas, D&T Heating and Cooling is a trusted HVAC provider, including furnace and air conditioning service repair. Our team of experienced professionals is committed to providing quality service and excellent customer care to residents and businesses in the area.  Call us today (302) 838-6905 for a no-obligation quote on heating and cooling service, repairs, or new HVAC system installation or replacement in Wilmington DE.

D&T Heating and Cooling is the company you can rely on in terms of heating and cooling for your home. We’re here to assist you right from the sales, and installation of your HVAC system, right down to its servicing.

Heating and Air Conditioning in Wilmington, DE | D & T Heating and Cooling

  • HVAC Repair in Wilmington, DE
  • Furnace Repair
  • Air Conditioner Repair Wilmington DE
  • Central air sales and installation
  • AC repair in Newark, DE
  • Heating repairs and service
  • Maintenance service
  • Heat pump repair
  • Heater duct cleaning
  • Furnace Replacement
  • Air Conditioner Replacement
  • Boiler repair and service contractor
  • Gas Furnace Service
  • Oil Furnace Service and Cleaning
  • Mini Split Ductless Air Conditioning
  • HVAC Replacement
  • HVAC Repair Company
  • Geothermal heat pumps

Air Conditioning Repair, Service, and Installation

Our estimates on new heating and air conditioning systems are provided for free and we can certainly work within whatever budget you’ve got, we are the best HVAC contractor in Bear, DE.

Air Conditioning

At D&T Heating and Cooling, we understand the importance of keeping your air conditioning system running smoothly, especially during hot and humid weather. That’s why we offer a range of air conditioning services, including:

• AC Repair:

Air conditioning systems can experience issues, such as leaking refrigerant, a malfunctioning compressor, a faulty thermostat, and more. If you notice any issues with your air conditioning system, it is essential to contact a professional HVAC technician to diagnose and repair the problem.

Our team of experienced technicians can fast diagnose the issue and provide prompt and efficient AC repair services. We use state-of-the-art equipment and tools to ensure that your air conditioning system is repaired correctly the first time, saving you time and money in the long run.

• AC Installation / Replacement:

If your air conditioning system is outdated or no longer working efficiently, it may be time to consider a replacement. Our team can help you select a new energy-efficient air conditioning system that meets your specific needs. We will also handle the installation process, ensuring your new air conditioning system is installed correctly and functions properly. With our installation and replacement services, you can be sure that your home or business is kept comfortable throughout the year.

• AC Maintenance:

Regular AC maintenance is crucial in keeping your air conditioning system functioning efficiently and preventing any potential breakdowns. 

Our team offers comprehensive AC maintenance services, including inspection, cleaning, and tune-up services. During our maintenance services, we will check your air conditioning system for any potential issues and fix them before they become significant problems. 

Regular maintenance services can also help extend the life of your air conditioning system, ultimately saving you money in the long run.

• AC Tune-Up:

An AC tune-up involves thoroughly inspecting your air conditioning system to ensure it functions correctly. Our team will check all components of your air conditioning system, including the refrigerant levels, electrical components, and airflow.

 We will also clean and lubricate any necessary parts to ensure your system runs efficiently. Regular AC tune-ups can help prevent any potential breakdowns and improve the overall lifespan of your air conditioning system.

Heater and Furnace Repair, Service and Installation

Our quality HVAC maintenance contracts help you keep your systems in excellent condition without worry, year-round, and our emergency service will provide you with unprecedented peace of mind, and if you are looking for any kind of installation service, then call AC installation in Middletown, DE.


D&T Heating and Cooling is a trusted provider of heating services that can cater to your heating needs in a timely and efficient manner. 

Our team of experienced mechanics is equipped with the necessary skills and knowledge to handle all kinds of heating systems. From installation to replacement, we are committed to providing top-notch services that ensure your comfort and satisfaction.

• Heating Installation / Replacement

Our heating installation and replacement services are designed to meet the unique needs of your home or business. We begin by assessing your space and determining the best heating system that suits your requirements. 

Whether you need a furnace, boiler, or heat pump, we have the expertise to install it quickly and professionally.

We also offer replacement services for your existing heating system. If your system is outdated, inefficient, or no longer functioning correctly, our team can help you choose a suitable replacement unit. 

We will guide you through the entire process and ensure that your new system is installed correctly and functions optimally.

• Heating Service

Regular servicing is essential to keep your heating system running efficiently. Our technicians can work with the latest tools and technologies to diagnose and fix any issues that may arise. 

With our regular servicing, you can extend the lifespan of your heating system and avoid costly repairs or replacements.


D&T Heating and Cooling is your go-to provider for reliable and efficient furnace services. 

Our experienced technicians are committed to ensuring that your furnace runs optimally throughout the year. We offer comprehensive furnace services, including:

• Furnace Installation/Replacement

At D&T Heating and Cooling, we help in selecting the right furnace for your home or business. Our team of professionals will work with you to understand your heating needs and recommend the best furnace that fits your requirements. 

We offer installation services for various furnace types, including gas, electric, and oil furnaces. Our team will handle the installation process efficiently and effectively, ensuring your furnace operates optimally.

We also provide replacement services for old, inefficient, or outdated furnaces. Our group will guide you through the entire process, from selecting the right furnace to removing and disposing of your old unit. 

Our technicians will install the new furnace quickly and professionally, ensuring you have a reliable heating system for your home or business.

• Furnace Maintenance

Regular furnace maintenance makes sure that your furnace operates efficiently and lasts long. 

Our team of technicians offers comprehensive maintenance services that include inspecting and cleaning your furnace’s components. We also check for any gas leaks to ensure your furnace operates safely.

We recommend scheduling annual furnace maintenance to assure your furnace runs smoothly throughout the year. Regular maintenance can also help detect minor issues before they become major problems, preventing costly repairs or replacements.

• Furnace Repair

If you notice any issues with your furnace, such as strange noises, reduced airflow, or a malfunctioning thermostat, your furnace might require repair. We offer various furnace repair services, including fixing faulty thermostats, replacing worn-out belts or bearings, and repairing gas leaks.

Why Choose Us?

At D&T Heating and Cooling, we understand that choosing an HVAC service provider is a significant decision.

 That’s why we go above and beyond to certify that our customers receive reliable and efficient services. The following are some of the reasons to choose us for your furnace and air conditioning service and repair needs in Wilmington, DE, and surrounding areas.

• Professional Service You Can Count On

Our certified and experienced technicians are equipped with state-of-the-art tools and techniques to offer professional and efficient services. 

We understand the importance of reliable HVAC systems and strive to provide timely and cost-effective solutions.

• We Value Our Customers

At D&T Heating and Cooling, we believe that our customers are the backbone of our business. 

We value our customers and prioritize their needs, ensuring we exceed their expectations with every service. Our customer service representatives are always available to answer any questions or concerns you may have.

• Convenient Payment Options

We offer convenient payment options that fit your budget and specific needs. Our pricing is transparent, and we provide upfront quotes before starting any work. We accept cash & all major credit cards and offer financing options to help you with unexpected expenses.

• We Offer Superior Work Quality

We use quality products and equipment for installation, repair, and maintenance services. Our team of certified mechanics is trained to offer superior work quality that meets industry standards.

Whether you need installation, maintenance, or repair services, we have the expertise and experience to get the job done right.

D&T Heating and Cooling is a Top Rated HVAC Contractor in Wilmington DE

We service all HVAC brands including Trane, Goodman, Amana, Lennox air conditioners, weatherking, Rheem, Carrier, Armstrong, miller, Ducane, Airease, American standard, comfortmaker, Payne, and more

D&T Heating and Cooling in Wilmington, DE – Furnace & Air Conditioning Service, and Repair

Just a few of our popular services:

Service areas include Wilmington Delaware zip-codes 19803, 19810

Contact Us Today For Professional, Affordable, And Efficient HVAC Services In Wilmington, DE, And The Surrounding Areas!

Frequently Asked Questions (FAQs)

A typical air system can last 15-20 years, but much depends on the system's condition, frequency of maintenance, and the HVAC framework/model.

Even with routine maintenance and repairs from the best HVAC companies in Wilmington, DE, the most advanced boilers, furnaces, and heat pumps will eventually deteriorate with time.


However, to maximize its usage, more attention should be paid to the average life expectancy of different parts of an HVAC system:

  • Heat pumps and air conditioner: 10 to 15 years
  • Boilers and furnace: 15 to 20 years
  • Water heaters: 10 years
  • Tankless water heaters: 20 years

Investment is important when upgrading or repairing any heating or cooling system. Undoubtedly it is a very big decision.

D&T Heating and Cooling always wants you to feel comfortable whenever you are going to make this decision. As a result, D&T Heating and Cooling provides a free estimate for replacing your heating and cooling system.

We take pleasure in offering quality services and products available at a reasonable price, backed by unrivaled service. Thus, we provide a 100% satisfaction guarantee to our customers.

Carrying out HVAC servicing and maintenance on your own is probably not very easy, but one must possess technical knowledge for proper servicing. Therefore, it is highly recommended to get the maintenance done by HVAC companies in Wilmington, DE.

Following are the services offered by HVAC companies:

  • Maintenance and repair and heating and cooling system.
  • Installation of heating and cooling system
  • Cleaning of the HVAC equipment
  • Servicing of heat furnace
  • Replacement of functioning parts of an HVAC system

When hiring HVAC companies in Wilmington, DE, it is essential to learn about their maintenance package. Every company has a different maintenance package that can vary according to the services included in their package.

Following are the maintenance package of D&T Heating and Cooling:

  • Repair of Gas and Electric Furnace includes proper fixture and checking of functional furnaces part of the HVAC system.
  • Installation of Thermostat- In every HVAC system, thermostat installation is a vital step. It controls the desired temperature of the system according to the needs of the user.
  • Repair of the heater- It is a key element of an HVAC system. Also, it is a very vulnerable part that needs regular maintenance.

In every HVAC repair, the diagnostic fee is an important thing. It is highly advised to know well about the fee structure of HVAC companies in Wilmington, DE, before choosing one. Typically HVAC repair can cost from $69 to $149 as a diagnostic service fee.

This is dependent on the complexity of the unit and significant access to its equipment. Moreover, the residential diagnostic fee is comparatively lower than the commercial one.

This covers the analysis and diagnosis time of identifying the fault in the HVAC system. Usually, it covers the diagnosis part where a defect is detected in the system.

Let’s get started on your air conditioning & repair project. Call D&T Heating and Cooling or fill out our online form and one of our specialists will get back to you right away. We appreciate the opportunity to earn a 5-star review!