Heil Plumbing & HVAC
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About Heil Plumbing & HVAC
Heil Plumbing & HVAC maintains a perfect 5.0-star rating across 1,030 verified client reviews, positioning them among Rockville's most recommended full-service plumbing providers. Based in Montgomery County, Maryland, the company serves communities including Bethesda, Silver Spring, Gaithersburg, Germantown, and surrounding neighborhoods with both traditional plumbing solutions and newer HVAC offerings.
What distinguishes Heil Plumbing & HVAC is their commitment to minimally invasive diagnostic techniques. Reviewers consistently note the team's ability to identify complex issues without unnecessary wall cutting or property disruption. Their trenchless sewer line replacement method, praised in customer feedback, allows substantial repairs through single entry points rather than extensive excavation.
Customer narratives from verified reviews reveal specific technician expertise. Reviewer Troy Wheeler detailed how Otto and his crew completed a 30-foot main water line replacement in a single day using a single access point, with same-city inspection the following morning. Eugene Kovin's review described how Damontae Tuck resolved a major sewage backup that multiple competitors couldn't address, going beyond standard cleanup to explain preventive maintenance protocols.
What Customers Say
Every reviewer awarded a full 5-star rating, with multiple customers emphasizing the team's diagnostic precision, same-day service availability, and willingness to explain repair processes before beginning work. Common threads across positive reviews include respectful on-site conduct and thorough post-job explanations.
Working Hours
| Sunday | Closed |
| Monday | 7:30 AM–5 PM |
| Tuesday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| ThursdayToday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
Services
Water Line Repair and Replacement
Main water line replacement using minimal excavation techniques, covering copper line repairs exceeding 30 feet in single service visits.
Sewer Line Camera Inspection and Repair
Camera-guided diagnosis with trenchless repair options for sewer line damage, addressing complex backups other contractors cannot resolve.
Water Heater Installation and Repair
Tank and tankless water heater replacement with same-day installation available and detailed option consultations.
Drain Cleaning and Maintenance
Professional drain cleaning reaching areas other companies overlook, with post-service guidance on maintenance chemicals.
Leak Detection and Pipe Repair
Precision leak detection with targeted pipe repair minimizing property disruption and drywall removal.
HVAC Heating and Cooling
Furnace and heat pump installation with AC repair services complementing their expanded heating offerings.
Gas Appliance Safety Service
Gas leak detection for stoves and water heaters with priority scheduling for safety-related service calls.