SERVICES
​Our services encompass a wide range of areas to meet all our customers' heating and cooling needs. With experienced and trained technicians, we are able to offer diagnostic, repair and installation services on all makes and models of HVAC systems. It's our goal to ensure you always have a comfortable home or working environment.
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Repair Services
Like any mechanical system, HVAC systems will occasionally break and leave you without the heating or cooling that you need. Systems that are old or haven’t been properly maintained are more susceptible to this issue. Fortunately, Donald Lowe & Sons provides HVAC system repair services to get your system back up and running quickly.

 * Air Conditioning Repair
 * Heating System Repair
 * Ventilation Repair
 * Duct Repair

Donald L. Lowe & Sons has an extensive background knowledge of most major brands and system types and can fix and repair most any issue. 
                     
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​New Installation & Replacements
Whether you are replacing an old or failed HVAC system or looking to install high-quality, durable equipment in a new construction project, Donald L. Lowe & Sons, Inc. can provide the following HVAC installation services to Maryland residents, no matter if you are in Frederick County, Montgomery County, Howard County or in another location.
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* FREE Estimates!
* Personalized recommendations for heating and air conditioning systems.
* Quality installation of HVAC units by trained, certified HVAC specialists.
* Explanation of your new HVAC system and it's features.
* Recommendation for on going maintenance to get the longest life and efficient performance out of your new HVAC equipment.
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Preventative Maintenance
HVAC preventive maintenance plans ensure customers' heating, cooling and ventilation equipment remains in good repair. By inspecting their systems regularly, our technicians will be able to catch minor problems before they grow into major ones. Regular maintenance will also extend your equipment's life. Failing to maintain an HVAC system can cut its lifespan in half. For this reason, manufacturer warranties require regular HVAC maintenance to remain valid.

* You become a priority customer.
* Two seasonal inspections - one in the spring for the cooling system and one in the fall for the heating system.   
* A 10% discount on all parts and materials purchased for repairs.
* No over-time, after hours, or weekend rates.
* We call you to schedule appointments.
               
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Duct Fabrication and Installation
We are a full-service duct work installer and supplier, offering high quality duct work installation, duct work fabrication and custom duct work products for residential and light commercial heating and air conditioning systems. Our made to fit duct work allows for a clean and neater job with better air flow.

* Residential duct work
* Light Commercial duct work
* Heating, ventilating, and cooling duct work for renovations & older buildings.
* Heating, ventilating, and cooling duct work for new  construction and additions.
* Flex duct and sheet metal duct