Serving Northern Virginia info@jnjphc.com
Your Local Plumbing, Heating & Cooling Team
J & J Plumbing Heating & Cooling is a small, dedicated company serving Northern Virginia with reliable HVAC and plumbing services for residential customers. We believe great service starts with honest communication, thoughtful recommendations and quality workmanship on every job. Whether you need a repair, a replacement or routine maintenance, our team is committed to helping you make informed decisions for your home.
What We Do
Professional Services for Comfort,
Safety & Peace of Mind
From HVAC repairs and tune-ups to water heaters, sump pumps and venting work, we provide practical solutions
designed for the needs of homeowners across Northern Virginia.
HVAC Repair
Professional water heater services help ensure reliable hot water every day with safe, efficient performance.
HVAC Replacement
Expert HVAC replacement services to restore comfort and improve system performance.
Seasonal Tune-Ups
Seasonal HVAC tune-ups designed to improve efficiency and prevent costly breakdowns.
Water Heater Services
Professional water heater services help deliver consistent hot water, comfort and peace of mind.
Sump Pump Installation
Reliable sump pump installation helps prevent flooding and protect your property.
Thermostat Installation
Smart thermostat installation adds convenience, comfort and greater energy efficiency.
Venting Services
Quality venting services improve ventilation, safety and long-term system reliability.
Chimney Liners
Expert chimney liner services help improve safety, venting performance and long-term system protection.
Pricing Snapshot
Transparent Information for Common
Services
We keep pricing straightforward where possible. For many services, exact pricing depends on the condition of the
system and the scope of work identified during an onsite inspection.
Popular Maintenance Pricing
Maintenance & Water Heater Pricing
Helpful starting points for routine service items.
Spring / Fall Tune-Up
$175 / system
Water Heater Flush
$275 + materials
Straightforward pricing for common maintenance services, with material costs added where needed.
Good To Know
Estimates & Service Calls
Some jobs need to be seen in person before exact pricing makes sense.
HVAC Replacement Estimate
Free
Other Service Call Pricing
Provided at booking
This helps avoid misleading flat pricing and ensures recommendations are based on the actual condition of the system.
Before & After Coil Cleaning Results
See the impact professional coil cleaning can make. This before-and-after comparison helps homeowners visually understand how cleaning dirty coils can improve system condition, support better airflow, and help maintain efficient performance. It adds real proof of work to your homepage and makes the service feel more trustworthy.
Testimonials
What Homeowners Are Saying
We keep pricing straightforward where possible. For many services, exact pricing depends on the condition of the
system and the scope of work identified during an onsite inspection.