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37 Years
experience
Emergency
services
Open 24/7
always available
24/7 Emergency Plumbing & HVAC Services in Portsmouth
Hart Plumbing and Heating has served residential and commercial clients in New Hampshire and Maine since 1989, specializing in emergency plumbing, HVAC systems, gas piping, and boiler services. Our team of licensed professionals prioritizes rapid response times, offering 24/7 emergency repair services for burst pipes, heating failures, and critical plumbing issues. We provide comprehensive solutions including system installations, maintenance, and winterization services to protect properties during seasonal vacancies.

With decades of combined experience, we emphasize transparent communication, durable repairs, and customer education to ensure long-term system reliability. Our commitment to quality is reflected in our A+ Better Business Bureau rating and extensive positive client testimonials highlighting prompt service and technical expertise.
Services
Emergency Plumbing HVAC Repair Gas Piping Boiler Installation Residential Plumbing Commercial HVAC Leak Repair Winterization Services Pipe Replacement Heating System Maintenance
Details
  • Year established: 1989
Highlights and features
  • We offer 24/7 emergency response with average arrival time under 2 hours
  • Fully licensed and insured in New Hampshire and Maine
  • Specialize in complex repairs requiring system diagnostics expertise
  • Provide preventative maintenance to extend equipment lifespan
  • Maintain A+ BBB rating with consistent positive customer feedback
What people say
Prompt service Excellent workmanship Professional and respectful Knowledgeable technicians Fair pricing
Services
Emergency Plumbing
Our 24/7 emergency plumbing service addresses burst pipes, severe leaks, and heating system failures requiring immediate attention. Technicians utilize advanced diagnostic tools to identify hidden issues like slab leaks or pipe corrosion. Rapid response teams carry specialized equipment to minimize water damage and restore functionality within hours of dispatch.
HVAC Installation
We install residential and commercial heating and cooling systems including high-efficiency furnaces, heat pumps, and central air conditioning units. Our technicians follow ACCA Manual S guidelines for proper equipment sizing and perform load calculations to optimize energy efficiency while ensuring proper ductwork integration for balanced temperature distribution.
Gas Piping
Licensed professionals handle natural gas and propane piping installations for new constructions and system conversions. Services include leak detection using electronic gas detectors, pressure testing for code compliance, and retrofitting existing lines to meet current safety standards while maintaining system integrity during residential renovations.
Boiler Repair
Comprehensive boiler services cover annual tune-ups, component replacements, and emergency breakdown repairs for residential and commercial systems. Technicians inspect pressure valves, combustion chambers, and circulator pumps while providing water treatment recommendations to prevent scale buildup and extend equipment lifespan.
Residential Plumbing
Full-spectrum residential plumbing covers fixture installations, drain cleaning, and pipe replacement projects. We specialize in slab leak detection using acoustic listening devices and hydro-jetting equipment for drain line clearing. Technicians also perform backflow testing and water pressure regulation to protect household plumbing systems.
People
Kevin Hart
Owner
With over 30 years in the industry, Kevin oversees operations and ensures service quality across all projects. He maintains direct communication channels with clients for urgent matters.
Geri
Service Coordinator
Handling emergency dispatch and scheduling for 15+ years, Geri coordinates rapid response teams while maintaining client communication during critical service calls.
Terry
Master Plumber
Certified plumber with expertise in complex pipe routing and fixture installations. Specializes in non-invasive repair techniques that minimize property disruption during emergency calls.
Adam
HVAC Technician
NATE-certified HVAC specialist with focus on heating system diagnostics and energy-efficient equipment installations. Provides technical training to junior technicians.
Jeri
Emergency Dispatcher
Manages overnight emergency calls and coordinates technician deployment. Recognized for calming client concerns during high-stress plumbing emergencies.
Questions
What constitutes a plumbing emergency requiring immediate service?
Burst pipes, gas leaks, complete loss of water, or heating system failures that threaten property integrity or safety qualify as emergencies requiring immediate attention.
Do you service both residential and commercial properties?
Yes, we handle projects ranging from single-family homes to multi-tenant commercial buildings across all service areas.
What heating system brands do you service?
Our technicians work with all major HVAC brands including Carrier, Trane, Bryant, and Lennox for both repairs and installations.
Can you help with seasonal heating system maintenance?
Yes, we offer fall heating system check-ups and spring maintenance packages to optimize efficiency and prevent breakdowns.
What areas do you cover for emergency service?
We serve Portsmouth, Dover, Rochester, and surrounding areas in New Hampshire and Maine as specified in our service territory list.
How quickly can you respond to emergency calls?
Most emergency calls receive on-site technicians within 2 hours, with priority given to life-threatening situations like gas leaks.