Duct cleaning, Grease exhaust Cleaning, dryer vent cleaning, HVAC ,mold and mildew remediation, 8775 railroad avenue,santee,ca,92071-4423,california,air quality,repairs,animal removal,licensed,smoke damage,air quality,breathe clean air residential and commercial
L Seven N Company, Inc Ventilation Cleaning Specialists
Contact Us
Breathe Clean Air!
Your Air Duct Cleaning Professionals
Kitchen Grease Exhaust Hood Systems
Residential * Commercial


vents, indoor air pollution, cleaning, air, mold, bacteria, dust, elimination, dirt, smoke, air conditioning, heating system    

We Are Locally Family Owned & Operated 1986


Stamp Out Indoor Air Pollution - Unhappy Home with Poor Indoor Air Quality


Keep the Indoor Air in Your Home or Offfice Healthy - A Healthy, Happy Home

Clean Your Heating and Air Conditioning System
For more healthy and safe living or working environment.

Poor air quality could be a result of mold, bacteria, dust, dirt, or condensed smoke particles in you heating and air-conditioning system!

  • Cleans and Freshens Air
  • Eliminates Mustiness and other Odors Caused by Smoke, Pets, Food
  • Relieves Allergic Symptoms Due to Dust, Mold, and Mildew
  • Prevents Spread of Disease via Airborne Bacteria and Viruses, Legionnaire's Disease, and Hypersensitivity Pneumonitis, and Illness with Flu-Like Symptoms


Additionally, we will save you money by reducing heating and air conditioning costs. Your system will operate more efficiently when cleaned. The Environmental Protection Agency, many medical associations, and allergy doctors recommend cleaning heating and air conditioning systems for healthy preventive maintenance to guard your health.

Get 10% Off Any Service When You Mention This Website

This offer has no expiration

Our Certifications Include:
Mold & Mildew Remediation
National Air Duct Cleaning Association
Certified Air Cleaning Specialist

Contact us, or call (619) 448-7707 for complete residential and commercial heating and air-conditioning services today!

Minority Women's Business Enterprise Certified
SMBE Certified • SWBE • ASCS



Hours of Operation:
Monday–Friday 8:00 a.m.–4:30 p.m.

While we use encryption to protect information transmitted online, we also protect your information offline. Only employees who need the information to perform a specific job (for example, billing or customer service) are granted access to personaaly identifiable information. The computers/servers in which we store personally identifiable information are kept in a secure environment

Privacy notice: This website contains links to other sites. Please be aware that we are not responsible for the content or privacy practices of such other sites. We encourage our users to be aware when they leave our site and to read the privacy statements of any other site that collects personally identifiable information.

We are the sole owners of the information collected on this site. We only have access to/collect information that you voluntarily give us via email or other direct contact from you. We will not sell or rent this information to anyone.

If you feel that we are not abiding by this privacy policy, you should contact us immediately via telephone at 619-448-7707