Brand Certified
David L Hall Inc
5.0(289 reviews)
Certified by David L Hall Inc • Mar 08, 2026
Business Details
2424 Granite Ridge Road, Rockville, VA
23146, United States
Certified by David L Hall Inc • Mar 08, 2026
(804) 250-1738
Certified by David L Hall Inc • Mar 08, 2026
https://www.dlhallinc.com/
Certified by David L Hall Inc • Mar 08, 2026
About
Certified by David L Hall Inc • Mar 08, 2026
HVAC ContractorAir Duct Cleaning ServiceWater Heater ServiceAir Conditioning ContractorAir Quality ConsultantHeating ContractorBoiler Supplier
David L Hall Inc provides heating and air solutions in Rockville, VA and the surrounding areas.
Details
- Requires appointmentNot available
- Onsite servicesAvailable
Location
Certified by David L Hall Inc • Mar 08, 2026
Hours
Certified by David L Hall Inc • Mar 08, 2026
Reviews
5.0
289 reviews
5 stars
286
4 stars1
3 stars0
2 stars0
1 star2
- RIRichard im5 days ago5.0Excellent upgrade and about time to do with Temperature fluctuations and extreme weather , Hall air and Jonathan West created a package for year round temperature control with surge protection. The installation team was timely and fast not neglecting my systems features. Glad to work with them and will be able to keep temperature control and comfort they are close by for any maintenance matters.
- SMS. MarshallFeb 25, 20265.0My HVAC installation was excellent from start to finish. Jonathan was professional, prompt and incredibly friendly throughout the process. He explained everything clearly. The technician arrived on time and worked quickly. I highly recommend this team!
- MSMichael SchiavoFeb 25, 20265.0Performed an operations check. Technicians from Hall are always extremely helpful, knowledgeable and excellent at explaining information.
- TWTiffany WilliamsFeb 17, 20265.0Hall Air has been great since I’ve been working with them over the last couple of months. Courteous, very timely and even brought dog treats for my pup. I highly recommend them!
- CMCliff MiddlebrookFeb 13, 20265.0David L Hall, Inc. consistently delivers excellent value and service. Their Service Team demonstrates a strong commitment to resolving issues and ensuring customer satisfaction. I highly recommend them to anyone seeking service or replacement of water heaters, heating, or air conditioning systems. I assure you that you will be glad you worked with these folks.
Frequently Asked Questions About David L Hall Inc
What should I do to prepare for my service?
Prior to the arrival of our HVAC technician, we advise you to ensure the area surrounding your outdoor unit is clear, replace or clean your air filters, and verify your thermostat settings. These steps will help facilitate a smooth service visit.
Do you offer any guarantees or warranties for your work?
David L Hall Inc stands behind our work with a complete customer satisfaction guarantee and a 10-year warranty on labor. We also adhere to manufacturers' warranties for all products. If you're in need of reliable HVAC services, we encourage you to contact us today.
What services does David L Hall Inc offer?
Our comprehensive HVAC services include heating repair and maintenance, heating system installation, indoor air quality solutions, mini split ductless systems, air conditioning repair and service, AC installation, preventative maintenance programs, boiler services, and general heater services.
Do you offer financing?
Indeed, we do. We've partnered with several financial institutions to provide our customers with accessible financing options. For more information on getting approved for HVAC service financing, please visit our website to see our list of partnering banks.
How much does a system replacement cost?
The cost of system replacement can vary significantly depending on the size of your home and your specific comfort requirements. To receive an accurate estimate for your HVAC replacement, we recommend scheduling an assessment with our team.
How often should I schedule maintenance for my system?
We recommend scheduling maintenance twice a year for most HVAC systems. However, gas systems require an annual safety inspection. Regular maintenance helps ensure optimal performance and longevity of your system.
What are the signs that my HVAC system needs a repair?
Common indicators that your HVAC system may need repair include unexpectedly high utility bills, frequent system breakdowns, excessive dust accumulation in your home, and unusual noises coming from your unit. It's worth noting that residential HVAC systems constitute nearly 40% of the market, underscoring our commitment to maintaining your home's comfort year-round.
How long does an HVAC system typically last?
Based on our experience, a well-maintained HVAC system typically has a lifespan of 10 to 15 years. Regular servicing by a qualified HVAC contractor is key to maximizing your system's longevity.
How often should I replace my air filters?
Our professional recommendation is to replace your air filters on a monthly basis. For optimal HVAC performance and air quality, consider entrusting your system's maintenance to our experienced team.
How much does it cost to repair my system?
Repair costs can vary widely depending on the specific issue. However, by enrolling in our preventative maintenance plan, you can benefit from a 15% discount on repair services, potentially leading to significant savings over time.
Brand Certified Facts from David L Hall Inc
This information is certified by David L Hall Inc and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified March 08, 2026Yext Knowledge Graph
- Address
- Categories
- Geo coordinates
- Legal business name
- Hours of operation
- Phone number
- Official website