Your Trusted HVAC Company in Rancho Santa Fe
When it comes to keeping your home or business comfortable year-round, THA Heating & Air is the team Rancho Santa Fe residents trust. Whether it’s air conditioning repair during a heatwave, a new furnace installation for cooler winter nights, or a quick HVAC tune-up before the season changes, our licensed technicians deliver fast, reliable, and affordable service every time.
We proudly serve homeowners, business owners, and property managers throughout Rancho Santa Fe and the greater San Diego County area—always with a commitment to quality workmanship, honest pricing, and your complete satisfaction.

Comprehensive HVAC Services in Rancho Santa Fe
We provide full-service heating and cooling solutions, including:
- Air Conditioning Repair & Installation—Keep your home cool with expert service for all AC brands.
- Furnace Repair & Installation—Reliable heating solutions to keep you warm on chilly nights.
- Heat Pump Services – Energy-efficient comfort for year-round use.
- Duct Cleaning & Repair – Improve air quality and system efficiency.
- Indoor Air Quality Solutions—Air purifiers, humidifiers, and dehumidifiers for a healthier home.
- Preventative HVAC Maintenance Plans – Reduce breakdowns and extend the life of your system.
- Emergency HVAC Repair – 24/7 Service Available – We’re ready whenever you need us.
Why Rancho Santa Fe Homeowners Choose THA Heating & Air
- Local Expertise – We understand Rancho Santa Fe’s unique climate and tailor our solutions for maximum comfort and efficiency.
- Fast Response—Same-day and emergency HVAC services when you need them most.
- Transparent Pricing – No hidden fees, ever.
- Licensed & Insured Technicians – Fully trained to service all makes and models.
- Satisfaction Guaranteed – We stand behind every repair, installation, and maintenance service.
Proudly Serving Rancho Santa Fe Neighborhoods
From Covenant and Fairbanks Ranch to Rancho Santa Fe Farms and Aviara, our team is just minutes away. We also serve nearby communities, including Del Mar, Encinitas, Solana Beach, and Carlsbad.
What Our Rancho Santa Fe Customers Are Saying
Schedule Your HVAC Service in Rancho Santa Fe Today
Don’t wait until your system breaks down—let our experts keep your home or business comfortable all year long.
Frequently Asked Questions About HVAC Services in Rancho Santa Fe
How often should I have my HVAC system serviced?
It’s recommended to have your HVAC system serviced at least once a year, ideally before the summer or winter seasons, to ensure optimal performance and extend its lifespan.
What are the signs that my air conditioner needs repair?
Common signs include insufficient cooling, strange noises, unpleasant odors, increased energy bills, or frequent cycling on and off.
Can you help improve indoor air quality in my home?
Yes, we offer various indoor air quality solutions such as air purifiers, humidifiers, and dehumidifiers to enhance air cleanliness and comfort.
Do you provide emergency HVAC services in Rancho Santa Fe?
Absolutely! We offer 24/7 emergency HVAC repair services to ensure you’re never left without heating or cooling when you need it most.
Are your technicians licensed and insured?
Yes, all our technicians are fully licensed, insured, and trained to handle all HVAC makes and models safely and efficiently.
What brands of HVAC systems do you service and install?
We service and install all major HVAC brands and models, ensuring you receive expert care regardless of your system.
Do you offer maintenance plans to prevent breakdowns?
Yes, our preventative maintenance plans help reduce costly breakdowns and keep your system running smoothly year-round.