Business Details
40 Years
experience
Emergency
services
Professional Air Duct & Ventilation Cleaning Services
Since 1986, L Seven N has been a family-owned leader in ventilation cleaning services for residential and commercial properties across San Diego County. Our certified specialists deliver comprehensive solutions including air duct cleaning, mold remediation, chimney sweeping, and grease trap maintenance, prioritizing air quality and safety. Accredited by NADCA and holding an A+ BBB rating, we combine 40+ years of experience with advanced techniques to eliminate fire hazards, allergens, and pathogens.Our team maintains full licensing and insurance while offering 10% discounts for seniors and military personnel. With 24/7 emergency response capabilities and free commercial estimates, we serve over 200 miles from Santee, CA, ensuring breathable, code-compliant environments for homes and businesses.
Services
Air Duct Cleaning
Mold Testing
Chimney Sweeping
Dryer Vent Cleaning
Grease Trap Maintenance
Details
- Year established: 1986
Highlights and features
- Certified in mold remediation and NADCA-accredited specialists
- A+ BBB rating with 40+ years serving San Diego County
- 24/7 emergency response for fire hazard mitigation
- 10% discount for seniors and military personnel
- Free commercial project estimates with licensed technicians
Associations and certifications
- National Air Duct Cleaning Association (NADCA)
- Better Business Bureau (BBB)
- Air Cleaning Specialist
What people say
Great Job!
Very happy
Professional service
Thorough and fabulous job
Highly recommend
Services
Air Duct Cleaning
Our air duct cleaning removes accumulated dust, allergens, and pathogens from residential and commercial ventilation systems. Using specialized equipment, we ensure complete debris removal from HVAC ductwork to improve indoor air quality and system efficiency. This service benefits allergy sufferers and maintains optimal airflow for energy savings.
Mold Testing
We conduct comprehensive mold testing for residential and commercial properties using advanced detection methods. Our certified technicians identify mold types and contamination sources, followed by safe remediation procedures that meet industry standards for health and safety compliance.
Chimney Sweeping
Professional chimney sweeping services remove soot and creosote buildup from residential fireplaces. This preventive maintenance reduces fire risks while ensuring proper ventilation of combustion gases, maintaining indoor air quality and fireplace efficiency.
Dryer Vent Cleaning
We clean lint and debris from residential and commercial dryer vents to prevent fire hazards. This service improves appliance efficiency, reduces drying times, and extends equipment lifespan through thorough ductwork inspection and cleaning.
Grease Trap Maintenance
Commercial grease trap cleaning prevents blockages and maintains sanitation standards in food service establishments. Our technicians perform thorough cleaning and inspection of kitchen exhaust systems to ensure compliance with health regulations and fire safety codes.
People
Kerry
Service Technician
Certified ventilation specialist with 15+ years of experience in air duct cleaning and mold remediation. Known for meticulous attention to detail and exceptional customer service in residential and commercial projects.
John
Estimator
Experienced estimator providing accurate project assessments for commercial clients. Specializes in identifying ventilation system requirements and developing cost-effective cleaning solutions for large facilities.
Debbie
Customer Service
Dedicated customer service representative coordinating appointments and addressing client needs. Provides expert guidance on ventilation maintenance requirements and service options for residential clients.
Tony
Service Technician
Skilled technician specializing in commercial kitchen exhaust cleaning. Certified in grease trap maintenance with expertise in restoring ventilation systems to meet health and safety standards.
Alice
Scheduling Coordinator
Efficient scheduling coordinator managing service appointments and client communications. Ensures timely service delivery while maintaining high standards of customer satisfaction for residential clients.
Questions
What services do you offer?
We provide air duct cleaning, mold testing/remediation, chimney sweeping, dryer vent cleaning, grease trap maintenance, and smoke damage cleaning for residential and commercial clients.
Are you certified for mold remediation?
Yes, we're certified in mold remediation and accredited by the National Air Duct Cleaning Association (NADCA) with specialized training for safe mold removal.
Do you offer senior/military discounts?
Yes, we provide a 10% discount for seniors and active/retired military personnel on residential services when mentioned at booking.
What areas do you serve?
We serve Santee, San Diego County, and surrounding areas within a 200-mile radius including El Cajon, La Mesa, Chula Vista, and Oceanside.
Do you handle emergency situations?
Yes, we offer 24/7 emergency response for urgent fire hazard mitigation and smoke damage cleaning situations.
Are commercial estimates free?
Yes, we provide free estimates for all commercial cleaning projects and maintenance services.
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