Business Details
42 Years
experience
Your Trusted HVAC Partner in San Diego County
Founded in 1984 by James Rotter, Allegiance Heating & Air Conditioning has grown into a trusted HVAC leader in San Diego County. Our company prioritizes customer comfort, offering residential and commercial heating, cooling, and maintenance services with a focus on reliability and transparency. We operate without traditional sales teams, relying instead on technical advisors who provide tailored solutions based on individual needs. Our commitment to quality is reflected in our 100% satisfaction guarantee and preventative maintenance programs designed to extend equipment lifespan. Led by President Sarah Wood since 2009, we maintain our founders values of integrity while adapting to modern energy-efficient technologies.Our technicians receive ongoing training through programs like NexStar, ensuring compliance with the latest industry standards. We specialize in addressing complex HVAC challenges for properties ranging from single-family homes to large commercial facilities. Customer trust remains central to our operations, demonstrated through prompt service, clear communication, and background-checked technicians. Our property management services support landlords across San Diego with consistent HVAC maintenance for rental units. With over four decades of local experience, we combine technical expertise with personalized care to serve both homeowners and businesses.
Services
Residential A/C
Residential Heating
Commercial A/C
Commercial Heating
Property Management
Maintenance Packages
Plumbing
Water Heater Installation
Heat Pump Services
Natural Gas Systems
Details
- Year established: 1984
Highlights and features
- Family-owned with 40+ years of local HVAC expertise
- PHCC-certified technicians with NexStar training
- 100% satisfaction guarantee on all services
- Customized solutions for residential and commercial properties
- Preventative maintenance packages to reduce long-term costs
Associations and certifications
- PHCC Certified
- NexStar Network
What people say
On time and friendly
Exceptional installation work
Seamless process
100% satisfaction guarantee
Clean and efficient service
Services
Residential Air Conditioning
We repair, maintain, and install residential air conditioning systems to ensure optimal performance. Our technicians diagnose issues like inefficient cooling or high utility bills, providing solutions ranging from filter replacements to full system installations. Customers benefit from customized cooling plans that balance comfort with energy efficiency, supported by preventative maintenance packages to extend equipment lifespan.
Commercial Heating
Our commercial heating services maintain workplace comfort through system inspections, repairs, and upgrades. We service facilities of all sizes, from small offices to large complexes, minimizing downtime with rapid diagnostics. Certified technicians use PHCC-approved methods to ensure compliance with safety standards while optimizing energy consumption for cost-effective warmth during colder months.
Maintenance Packages
Our seasonal and annual maintenance plans prevent HVAC emergencies through regular inspections and tune-ups. Services include thermostat programming, duct checks, and component assessments to identify potential failures early. Partners receive priority scheduling, a 10% service discount, and guaranteed satisfaction, reducing long-term repair costs by up to 95% according to manufacturer recommendations.
Water Heater Installation
We install and service natural gas and heat pump water heaters tailored to household needs. Heat pump models offer energy savings of up to 30%, while gas systems provide grid-independent reliability. Our advisors help customers choose between 15-year lifespan options, considering rebates and home compatibility to ensure efficient, cost-effective hot water access.
Property Management HVAC
We provide comprehensive HVAC care for rental properties, including emergency repairs and scheduled maintenance. Our team supports landlords across San Diego with consistent service for apartment complexes, condos, and single-family units. Priority scheduling ensures tenant comfort while reducing owner administrative burdens through bulk service coordination and transparent reporting.
People
Sarah Wood
President/Owner
Sarah Wood leads Allegiance Heating & Air Conditioning, continuing her father's legacy since 2009. With over 15 years in HVAC management, she focuses on expanding service offerings while maintaining family values of integrity and customer care.
Kassi Harper
Controller
Kassi Harper manages financial operations at Allegiance, ensuring fiscal responsibility and efficient resource allocation. Her expertise in HVAC industry accounting supports strategic business growth and client-focused budgeting solutions.
Heriberto
Install Technician
Heriberto specializes in HVAC installations, known for clean, efficient work and clear customer communication. With 8+ years of field experience, he ensures systems operate at peak performance while addressing client-specific needs.
Raul
Service Technician
Raul provides expert HVAC repair services, combining technical knowledge with customer service skills. His thorough diagnostics and transparent explanations have earned consistent praise from commercial and residential clients across San Diego.
Ryan
Install Technician
Ryan delivers professional HVAC installation services, focusing on precision and efficiency. His attention to detail during system setups ensures long-term reliability and customer satisfaction, supported by ongoing technical training.
Questions
What HVAC services do you offer for homeowners?
We provide residential air conditioning, heating, water heater installation, and preventative maintenance packages tailored to individual home needs.
Do you service commercial properties?
Yes, we handle commercial HVAC systems of all sizes, including installations, repairs, and maintenance for businesses and property managers.
Are financing options available?
Yes, we offer financing plans to help customers manage HVAC replacement or major repair costs with flexible payment terms.
What makes your technicians qualified?
Our team holds PHCC certifications and participates in NexStar training to maintain expertise in the latest HVAC technologies and safety protocols.
Do you offer emergency HVAC service?
While we operate regular business hours, our preventative maintenance clients receive priority scheduling for urgent heating or cooling issues.
How can I schedule an appointment?
Book online through our website or call us directly at 619-449-2469 to schedule service or request a free estimate.
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Reviews (3)
Tony Collins
Apr 16, 2018
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Job well done at SIHC in Alpine. Old unit being held together by bailing wire and bubble gum but parts are still available. Occupants of those offices are happy.
Nancy Hazen
Apr 25, 2017
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Excellent service and fair prices. We were so pleased with the service we received from Allegiance Heating and Air.
Levi Kealaluhi
May 09, 2016
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By far the best Service ever! We tried the Big big Big name companies and let me tell you that was a terrible experience. Highly recommend this.
