Serving Rockwall & Surrounding Areas Since 1997

AC Maintenance | Heating Maintenance

Regular maintenance: the key to preserving the life of ac and heating systems

At D-n-D Services, we want to ensure that your home and/or business is always cool in the summer and warm in the winter – and that your heating and air conditioning systems are safe. Proper and regular maintenance is the key to extending the life of heating and air conditioning systems – and you can depend on our trained, professional technicians to take excellent care of all your heating and ac needs.
An ac/heating inspection is much like the service performed on your car. Routine service is performed by knowledgeable ac technicians, along with verifying the operational sequence of events and other important parameters. These inspections can give you peace of mind about the operation of your system, and or alert of potential issues or improvements possible.

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Looking for a trustworthy team to repair your Air Conditioner Installation in Rockwall & Surrounding Areas?

Our maintenance services include:

Seasonal | yearly preventative maintenance plans

Top notch friendly service

Trained, certified HVAC technicians you can trust

Quality parts and service*

No afterhours/holiday fees for Maintenance Agreement customers

Priority service for Maintenance Agreement customers

Our specialized services include:

Complete Manual J load calculations for heating and cooling

Infrared imaging

Video duct inspections

Blower door testing

Duct cleaning and sanitizing

Indoor Air Quality testing

Commercial Maintenance Plans

D-n-D Services offers heating and air conditioning maintenance at reasonable and fair prices. Your satisfaction is our highest priority, with our professional, experienced service on a wide variety of heat and air conditioner brands, you can trust that our annual maintenance agreement guarantees that your new heat or ac system will operate at top performance making your home or office more comfortable. Note: additional charges may apply.

Air Conditioner Installation in Rockwall and Surrounding Areas

Right Size, Efficient, Experienced.

When choosing an air conditioner for your home in Rockwall and Surrounding Areas, it’s crucial to take into account your lifestyle and preferences. Additional home comfort features like a humidifier or indoor air quality system may be important to you. Additionally, some important factors to consider include:

Check out our knowledge base

Which type of air conditioner is optimal for my home?

In Rockwall and Surrounding Areas, there is a wide variety of air conditioning options available, from split-systems to geothermal units, each with unique features that cater to different types of homes and individual needs.

Which air conditioner brand is considered the best?

When it comes to selecting the best air conditioner brand, conducting thorough research and reading reviews can provide valuable insights. However, it’s important to also consider the HVAC company you choose for installation. Working with a reputable and experienced company like D-N-D Services Heating & Air Conditioning in Rockwall and Surrounding Areas can provide an indication of the level of performance and service you can expect from your new AC system.

What is the appropriate size for an air conditioner to suit my home's requirements?

Factors to consider when determining the appropriate size of an air conditioner for your home include its size, construction, insulation, and number of windows.

What is the optimal location for installing my air conditioner?

Proper positioning of both indoor and outdoor components of your air conditioning system is crucial for optimal performance.

In Rockwall and Surrounding Areas, what type of system can provide the highest level of energy efficiency while also fulfilling my specific requirements?

The most suitable option for your needs may depend on your location. For instance, in regions with moderate temperatures such as Rockwall and Surrounding Areas, a heat pump system that serves both heating and cooling purposes may offer better overall energy efficiency.

Which type of air conditioner requires the least amount of maintenance and is easiest to service?

To ensure reliable performance from your air conditioning system, regular maintenance is essential. Be sure to determine the type of care required by the system you’re considering and which Pro Service Plan would be the most effective.

Feel free to ask about our Indoor Air Quality products.

We want you to have the healthiest indoor air possible. For healthy indoor air quality you may need your ac systems duct cleaned , repaired, or replaced. Infilterents can get in leaking or damaged duct and into the air you breathe.

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Popular Services

Proudly Serving Rockwall and Surrounding Areas Since 1997

Cooling Services

Heating Services

Air Quality

If your air conditioning system isn't functioning correctly, whether it's due to a broken A/F or condenser unit, an outdoor overflow valve leak, or simply not cooling, D-N-D Services Heating & Air Conditioning is here to help. Our team possesses the skills, expertise, and integrity needed to promptly resolve any A/C issues you may encounter.

At D-N-D Services Heating & Air Conditioning, we know heating problems can be a major inconvenience. Our experts are adept at quickly identifying and diagnosing nearly any issue with your heating system. We provide detailed quotes to help you make informed decisions about repairing your furnace and getting it back up and running efficiently.

Furnace Repair

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Heat Pumps

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New Installation

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Furnace Tune Up

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At D-N-D Services Heating & Air Conditioning, the health and well-being of our customers is our top priority. We offer a wide range of indoor air quality products to help ensure your family remains healthy and comfortable.