Heating Repairs, Replacements, & Maintenance in the DC Metro Area

Whether it’s something simple, like a dirty filter, or a more significant issue, such as a blower motor malfunction or ignition failure, access to experienced HVAC technicians can help keep you warm this winter. Furnace repair services and related work, such as boiler repair, address issues including thermostat malfunctions, wear and tear that causes mechanical parts to struggle, and cracks or other damage to heater exchangers and components.

The team at AJ’s Heating & Air Conditioning responds quickly to service calls, diagnosing the issue and explaining it in a way that homeowners understand, so they can comprehend the necessary repairs and associated costs. Our NATE-certified technicians can quickly restore comfort, allowing you to enjoy life at a cozy temperature in your home.

Upgrading to a new furnace can lead to improved efficiency, enhanced reliability, and enhanced indoor air quality. AJ’s Heating & Air Conditioning provides professional furnace and boiler install services throughout the DC Metro Area. Free estimates help homeowners plan for these expenses, and our team of NATE-certified techs ensures every system is sized correctly and installed to maximize your comfort and energy savings.

With expert installation, your home can stay warm and inviting throughout the colder months, and your heating system can deliver long-term reliability for additional peace of mind.

When your heat pump’s performance is lackluster, it can leave your home uncomfortable, whether it’s winter or summer. Common issues that require heat pump repair services in the DC area include frozen coils, faulty reversing valves, and systems struggling to provide adequate airflow. The technicians at AJ’s Heating & Air Conditioning respond quickly with 24/7 emergency service, bringing expert attention to every repair. We work to minimize downtime and get your heat pump running efficiently so you can enjoy year-round comfort.

Installing a new heat pump is an efficient way to maintain comfort in the DC Metro climate. AJ’s Heating & Air Conditioning offers free estimates and personalized recommendations to help ensure you choose the right equipment to match your home's size and climate control goals.

Our technicians provide precise and expert installation services, ensuring your new system delivers reliable performance and consistent temperatures throughout the year. A professionally installed heat pump can help reduce energy costs and support your home's air quality.

A modern thermostat makes it easy to keep your home comfortable while supporting better energy efficiency. AJ’s Heating & Air Conditioning helps you take advantage of today’s thermostat technology, including programmable models and smart thermostats. We can integrate new thermostats seamlessly with your existing system to set you up for more convenient, cost-effective HVAC control.

Regular maintenance is one of the easiest ways you can help prevent heating and cooling system breakdowns. We offer seasonal tune-ups that include thorough inspections, cleaning, and adjustments to extend the life of your equipment.

If you want added peace of mind, we offer a comprehensive maintenance plan that lets you skip the line when you need service. It also includes discounts on diagnostics, labor, and replacement parts and equipment in addition to tune-up benefits.