Your home is your haven. You make every decision - from purchases to home improvement - with your household's well-being in mind. We provide more than just experienced HVAC services in Lubbock, TX. Whether you need heating system repairs or plumbing services - we are here to service your needs. We're a FAD and Mitsubishi dealer, but we also service and maintain all brands. We understand your concerns about safety and comfort, and that's why we are committed to providing superior air conditioning service to our customers.

Dennis Duncan Jr. founded our company in 1992 with Davis Moore. Mr. Duncan is a licensed master plumber and HVAC contractor, and Mr. Moore is a master electrician with over 40 years of experience. Together, they provide residential and commercial services to customers in Lubbock, Wolfforth, Slaton, Abernathy, Levelland, Plainview, TX and the surrounding areas. Over the past 25 years, our business has grown. Now, we employ a team of master plumbers and journeymen as well as technicians who have earned advanced certifications through North American Technician Excellence (NATE).

As a residential plumbing contractor, we understand how valuable your time is and how vital your plumbing system is in your daily life. We've provided responsive service, expert opinions, and detail-oriented workmanship to residential customers in the Lubbock metropolitan area for more than 25 years. A small leak can have devastating consequences, and larger problems can cause permanent structural damage. At Duncan Heating & Air Conditioning, Inc. & Plumbing, we perform emergency plumbing repairs 24 hours a day.

Get all the benefits of seasonal tune-ups by signing up for an annual maintenance plan for your HVAC system. It's easy, cost effective and hassle free. We do all the work for you so that you can enjoy reliable heating and air conditioning in every season. We develop customized HVAC maintenance plans for residential, commercial and institutional customers across the Lubbock metropolitan area. Whether you're a homeowner or business owner, our maintenance plans include everything needed to keep your HVAC system in top condition.

Your commercial HVAC system is a workhorse that powers through demanding weather to keep your building comfortable. Breakdowns cannot occur when your business depends on heating and air conditioning. That's where we can help. Our NATE-certified technicians develop maintenance plans that deliver maximum benefits while controlling your expenditures. You can achieve greater reliability and improve your bottom line by reducing your energy use. Let's work together to maximize your building's efficiency.

If your heating system is in poor condition or needs frequent furnace repairs, a replacement might be the best solution. Today's heat pumps are 20 percent more efficient, and they include many advanced features that improve your comfort, such as variable-speed air handlers and multi-stage compressors. The efficiency of oil and gas furnaces have improved by 15 percent in recent years. Thanks to condensing flues, modern furnaces are up to 96 percent efficient. As a factory-authorized Carrier dealer and Mitsubishi Electric Diamond Contractor, we stay current on the latest technology so that we can offer our customers superior equipment and services.

Tankless water heaters are all the rage. These systems have a successful 50-year track record in Europe and Asia. Now, they're a widely available option for homes in Lubbock, Texas and across the United States. It's easy to see why tankless water heaters are so popular. They're efficient, durable and 80 percent smaller than conventional hot water tanks. The main advantage of tankless models is that they only heat the water when you need it, so they don't waste energy keeping the water warm around the clock.

Between your customers, employees and tenants, the commercial plumbing system in your building never gets to rest. Pipes and fixtures perform hard work, but they receive very little attention. There's no replacement for a reliable plumbing system or a reliable commercial plumber. At Duncan Heating & Air Conditioning, Inc. & Plumbing, we have experience installing, repairing and maintaining commercial plumbing systems for businesses in Lubbock County. If you're renovating your commercial property or building a new facility, we can install durable fixtures and appliances made by leading brands like KD Navien, Rinnai and Noritz.

Many health complaints stem from breathing contaminated air in the home. Duncan Heating & Air Conditioning, Inc. & Plumbing has the tools and expertise to detect and treat even the most minuscule organisms. Unpleasant indoor odors are not a reflection of your attitude toward cleaning. You could be vigilant about keeping a clean home and still encounter indoor air quality challenges. The Environmental Protection Agency found that indoor air can be as much as 100 times more polluted than outdoor air.

Air conditioning is such a natural part of everyday life that we give it little thought. However, can you imagine your AC failing during the summer heat? It's not hard to envision the discomfort, and it will happen quickly, too. Apart from dealing with the uncomfortable, stifling heat, you will also have to worry about dehydration and heat stroke. Health consequences are particularly concerning if there is an infant or elderly person present. The heat brings other concerns, too. We need to keep bundled up, stay indoors and to top it off, we have to deal with the issue of heating the home.

Heating and cooling your home might seem like a simple "set it up and forget it" activity. However, for you to get the most from your HVAC system, you have to give a little more thought to its use and maintenance. Duncan Heating & Air Conditioning, Inc. & Plumbing will help you to get the most from your heating and air conditioning investment for many years. We make your well-being a priority every time. From season to season, Duncan Heating & Air Conditioning, Inc. & Plumbing promises to deliver the products and services you need to keep your household comfortable.

Few things are as uncomfortable and inconvenient as an air conditioning breakdown. During the long cooling season in Lubbock, TX, there are plenty of opportunities for a problem to strike. When your AC system grinds to a stop or won't start, you need help from a professional who can complete air conditioning repairs on the spot. If you're familiar with the laws of air conditioning breakdowns, you know that if something can go wrong, it will go wrong at the worst possible time. Deferred maintenance gradually reduces your cooling system's efficiency while increasing the likelihood of equipment failure.

It's time to leave that old, cranky air conditioner behind and finally enjoy the comfort that you deserve. Today, you can choose from an impressive selection of durable and user-friendly HVAC systems. We install ductless and ducted air conditioning units that keep up with the searing summer heat in Lubbock and Wolfforth while cooling your home flawlessly. Heat pumps and central air conditioners last for 10 to 15 years on average. Maintenance extends their life, but it cannot prevent the inevitable.

A heating breakdown can put your family in an uncomfortable situation. With our 24-hour emergency dispatch service, your family doesn't have to wait hours or days for a solution. We offer fast response times, accurate diagnostic services and professional heating repairs to customers in Lubbock, Wolfforth, Slaton, Abernathy, Levelland, Plainview, TX and the surrounding areas. For most homeowners, heating problems are a real-life nightmare. Typically, the heat pump or furnace won't start or will cycle on and off without warming your house.