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Jim is always very helpful & professional. We have had him convert our oil furnace to gas, install central air & put in a new water heater. D&D is awesome and we have more jobs lined up for them!

Ashley M

Excellent work and attention to detail! I highly recommend.

Kayla Rose

Experienced professionals with reasonable prices. I would not go elsewhere for Heating/AC work.

C Barrett

Love D&D Heating and Cooling! They fix your every need and are friendly and courteous!

Jennifer Dvorak

Chose D & D to replace 26 year old furnace and AC as the heating season began after getting bids from other companies and upon advice from a friend who has had D & D do installs at multiple family homes. The entire transaction from original bid to installation was done within the same week the bid was accepted. D & D produced excellent workmanship with the install & modified ductwork as well as fixing a previous cobbled done by another company. I will continue to use D & D for future HVAC seasonal checkups as they have earned my business with their friendly professional service! It’s great feeling to have peace of mind that my HVAC needs are taken care of by D & D.

JJ

Great Guys. If you need any sort of help with your air conditioning or heating don’t even bother calling other HVAC companies. I got bids from 5 of the top HVAC companies in Dane county and D&D came through with a bid lower than the rest. The attention to detail and professional personalities will make me a return customer and pass their name to everyone I know. Save yourself the time and call D&D.-

Adam Michael

Thank you Jim for always being available to help with our projects. You are a true professional. We have recommended D & D Heating and Cooling to friends and family who have, also, always been pleased with the job well done. Again, thank you!

Lynne W

HVAC 101

That's a Great Question.

As a rule of thumb, replace your existing home comfort system when repairs cost 30% of a new purchase or when utility bills have increased 50% as a result of older, less efficient systems using more, higher-priced electricity.

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Air conditioning and heating equipment consume about 44% of a home's energy bill. Today's ENERGY STAR ® qualified systems are as much as 60% more efficient than 10-year-old equipment.

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In new homes or remodels, a central home comfort system is the best solution for overall comfort and superior indoor air quality and humidity control.

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Look for a programmable thermostat for accurate, reliable, energy-saving performance. For added savings and convenience, our Residential Communicating Control with Wi-Fi support works with mobile devices to easily program your system wherever you are.

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Seek out a contractor who is associated with a recognized brand. If they are backed by the product and training resources of a major manufacturer, you will feel confident that you're getting the home comfort system that best meets your needs.

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Get solid advice from an expert. The right contractor can perform a load calculation or an energy analysis to determine your operating costs. After getting to know your needs, he can customize a system just for you.

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Every system is different. After a thorough inspection of your electrical system, ductwork and other components, your contractor will provide a rundown of what you need to replace and what you can keep.

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That depends on the house and the system. While air conditioners and gas furnaces require different components, the common denominator is ductwork, which must be properly sized and zoned for proper system performance. Your contractor can evaluate your existing setup and tell you how simple your installation will be.

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An air handler circulates conditioned air throughout your home. You can combine it with accessories to filter, humidify or dehumidify the air stream as needed.

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Indoor air can be from five to 100 times more polluted than outdoor air. Adding humidifiers, dehumidifiers, ventilation systems, UV lights and air filter technologies can dramatically improve your indoor air quality.

D & D Heating & Cooling Inc. HVAC-101 by Luxaire®