Business Details
28 Years
experience
Trusted HVAC Services in San Marcos, CA
Founded in 1998 by brothers Les and Cris Young, Oak Island Heating & Air Conditioning has built a legacy of treating customers like family while delivering top-tier HVAC solutions. Our team combines over 70 years of collective experience with NATE-certified expertise and BBB accreditation to serve San Marcos and North San Diego County. We prioritize comfort, affordability, and integrity, offering 100% financing options and industry-leading products as a Lennox Premier Dealer. Our commitment to excellence extends to indoor air quality solutions, maintenance plans, and energy-efficient systems that reduce costs and enhance home comfort.With a focus on timeliness, transparency, and no hidden fees, we ensure every customer receives personalized service tailored to their needs. Recognized for superior HVAC services, we maintain an A+ BBB rating and a reputation for reliability, reflected in thousands of 5-star reviews. As a family-owned business, we uphold values of respect and professionalism, treating every property as if it were our own.
Services
AC Repair
Heating Installation
HVAC Maintenance
Air Purification
Smart Thermostats
Humidifiers
HVAC Zoning
Whole House Fans
Heat Pumps
Ductless Mini-Split
Details
- Year established: 1998
Highlights and features
- Family-owned since 1998 with over 70 years of combined HVAC experience.
- BBB accredited with an A+ rating and NATE-certified technicians.
- 100% financing options available for HVAC upgrades and repairs.
- Lennox Premier Dealer offering industry-leading, energy-efficient products.
- No hidden fees and free in-home consultations for new installations.
Associations and certifications
- BBB
- NATE
What people say
Professional and courteous
Timely installations
100% satisfaction
Expert technicians
No hidden fees
Services
AC Repair
Our technicians provide fast, reliable AC repair services for homes in San Marcos. With NATE-certified expertise, we diagnose and fix cooling system issues to restore comfort. Customers benefit from transparent pricing and same-day service options.
Heating Installation
We specialize in installing high-efficiency heating systems, including furnaces and heat pumps. As a Lennox Premier Dealer, we use top-tier products to ensure long-term reliability and energy savings for homeowners.
HVAC Maintenance
Regular maintenance plans extend HVAC system lifespan and improve efficiency. Our Islander Club membership includes annual checkups, priority scheduling, and discounts on parts and repairs for ongoing system reliability.
Air Purification
We install advanced air purification systems, UV lights, and air scrubbers to remove contaminants. These solutions reduce allergens and improve respiratory health, tailored to each home's specific needs.
Smart Thermostats
Our smart thermostat installations enable remote temperature control and energy savings. Compatible with all HVAC systems, these devices learn user preferences and optimize heating/cooling schedules for maximum efficiency.
Questions
What HVAC services does Oak Island offer?
We provide AC repair, heating installation, HVAC maintenance, air purification, smart thermostats, and indoor air quality solutions for residential customers in North San Diego County.
Do you offer financing options?
Yes, we provide 100% financing through partnerships with HERO, Wells Fargo, and Green Sky to make HVAC upgrades affordable for homeowners.
Are your technicians certified?
All our technicians are NATE-certified and receive ongoing training to maintain expertise in the latest HVAC technologies and installation practices.
What areas do you serve?
We serve San Marcos, Carlsbad, Encinitas, Escondido, La Jolla, Oceanside, Rancho Bernardo, Vista, and surrounding areas in North San Diego County.
Do you provide emergency HVAC services?
While we don't offer 24/7 emergency services, we prioritize urgent repair requests during regular business hours (7AM-6PM Mon-Fri).
What warranties are available?
As a Lennox Premier Dealer, we offer factory warranties on equipment, plus our own service guarantees for installations and repairs performed by our team.
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