Business Details
18 Years
experience
Emergency
services
Your Trusted HVAC Partner in Temecula, CA
Subcooling HVAC has served Southern California communities since 2008, specializing in heating, cooling, and indoor air quality systems for residential and commercial clients. Founded by Shawn W. Threadgill, our mission remains delivering cost-efficient solutions with expert craftsmanship. We prioritize honesty, integrity, and exceptional customer service, maintaining a 24/7 availability for emergencies. Our commitment to quality products and installation ensures long-term reliability for every client. With 16 years of experience, weve built a reputation for transparency, affordability, and community trust.Our team of certified technicians provides prompt, professional service across Temecula, San Diego, Riverside County, and Arizona. We back all work with guarantees and prioritize client satisfaction as our ultimate measure of success. Our focus on modern technology and preventative maintenance ensures optimal system performance for every property. Customer testimonials consistently highlight our competitive pricing, punctuality, and personalized approach. As a C-20 licensed and EPA-certified company, we uphold the highest industry standards in every project.
Services
Cooling Installation
Heating Repair
Duct Cleaning
Commercial HVAC
Preventative Maintenance
Thermostat Installation
Air Purifier Design
Hydronic Heaters
Zoning Systems
Details
- Year established: 2008
Highlights and features
- 16 years of specialized HVAC experience since 2008
- 24/7 emergency service with rapid response times
- EPA-certified technicians for industry-standard compliance
- Transparent pricing with no hidden fees
- Proven track record of 4,000+ service requests completed
Associations and certifications
- EPA Certified
What people say
Competitive pricing
Prompt, friendly technicians
Professional with integrity
Reliable and affordable
Honest assessments
Services
Cooling Installation
We install residential and commercial cooling systems, including new equipment and replacements for outdated units. Our technicians ensure proper sizing and efficiency for optimal performance. Backed by warranties and expert post-installation support.
Heating Repair
Emergency and scheduled heating repairs for gas furnaces, heat pumps, and heaters. We diagnose issues quickly and use genuine parts for lasting fixes. Available 24/7 for urgent winter heating needs.
Duct Cleaning
Professional removal of dust, allergens, and debris from HVAC ductwork. Improves indoor air quality and system efficiency. Recommended annually for homes and commercial properties in high-dust areas.
Commercial HVAC
Custom HVAC solutions for businesses, including maintenance contracts and emergency service. We optimize systems for energy savings and compliance. Serves offices, retail spaces, and industrial facilities across Southern California.
Preventative Maintenance
Seasonal inspections and maintenance to extend HVAC system lifespan. Includes cleaning, part lubrication, and efficiency checks. Reduces breakdown risks and maintains manufacturer warranties for residential and commercial clients.
People
Shawn W. Threadgill
Founder
Shawn Threadgill founded Subcooling HVAC in 2008 after identifying a need for honest, reliable HVAC service in Southern California. With over 16 years of industry experience, he leads a team of certified technicians committed to quality and customer satisfaction.
Questions
What HVAC services do you offer?
We provide cooling and heating installation, repair, and maintenance, duct cleaning, commercial HVAC services, and preventative maintenance plans for residential and business clients.
Do you serve areas outside San Diego County?
Yes, we serve all of Riverside County, Arizona, and surrounding areas in addition to San Diego County.
Are emergency services available after hours?
Yes, our 24/7 emergency service responds to heating and cooling crises at any time, including weekends and holidays.
Is financing available for HVAC installations?
Yes, we offer financing options to help clients manage the cost of new HVAC systems and major repairs.
How can I schedule an appointment?
Call 1-951-587-3887 or use our online service request form to book appointments for routine maintenance or emergency repairs.
What sets your company apart from competitors?
Our 16 years of local experience, EPA-certified technicians, transparent pricing, and 24/7 availability ensure reliable service that prioritizes client needs over sales tactics.
