DNG Home Improvement - Lanham's Expert HVAC Services

Lanham, MD 20706

(202) 875-8266

Local Business Description

DNG Home Improvement is a trusted, full-service contractor serving Lanham, MD, and the surrounding area. We specialize in plumbing, electrical, and HVAC services, providing reliable solutions for homeowners. Understanding that many local homes face HVAC challenges like dirty evaporator coils and high humidity, which reduce system efficiency and comfort, our team offers expert HVAC system maintenance, repair, and installation. We clean critical components, optimize system performance to better manage humidity, and ensure your home stays comfortable year-round. From a simple faucet repair to a complete HVAC replacement, DNG Home Improvement is your local partner for quality, safety, and peace of mind.

Frequently Asked Questions

How can HVAC maintenance in Lanham help with high indoor humidity?

High humidity is common in our area and makes your HVAC system work harder. Our maintenance service includes checking refrigerant levels, cleaning the evaporator and condenser coils, and ensuring proper drainage. This optimizes your system's dehumidification capability, improving efficiency and comfort while preventing mold and mildew issues in your home.

My circuit breaker keeps tripping. Is this related to my HVAC system?

It can be. In Lanham's older homes, an aging electrical panel or faulty wiring may struggle with the high startup load of an HVAC system, especially on humid days. We offer expert electrical inspections, circuit breaker repair, and panel upgrades to ensure your home's electrical system can safely and reliably support your heating and cooling needs.

What are the signs my Lanham home needs drain or plumbing work to protect my HVAC?

Clogged condensate drain lines from your air handler are a frequent cause of HVAC shutdowns and water damage. If you notice water pooling near your indoor unit or musty smells, it's time for service. We provide drain cleaning, repair, and installation to keep this vital component clear, protecting your HVAC system and your home's foundation from water issues.

What the Company Handles

  • Outlet installation
  • Circuit breaker installation
  • Garbage disposal repair
  • Shower repair
  • Shower installation
  • Gas line repair
  • Electric panel repair

Business Location & Hours



Mon:4:30 PM - 8:00 PM
Tue:4:30 PM - 8:00 PM
Wed:4:30 PM - 8:00 PM
Thu:4:30 PM - 8:00 PM
Fri:4:30 PM - 8:00 PM
Sat:8:00 AM - 8:00 PM
Sun:8:00 AM - 8:00 PM


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