
Trusted HVAC Company Serving San Luis Obispo, CA
When you need reliable heating and cooling services in San Luis Obispo, CA, choosing a local expert makes all the difference. Straight Line Heating and Cooling is deeply familiar with the comfort needs of homes throughout the San Luis Obispo area. We understand the unique climate challenges, from keeping cool during warm summer days to ensuring cozy warmth on cooler evenings, and how these affect your home's HVAC system. Our commitment is to provide expert, efficient service that keeps your home comfortable and your energy bills manageable, reflecting the quality and integrity you expect from a local San Luis Obispo business.
We offer a full spectrum of heating, cooling, and indoor air quality services designed specifically for residential needs. Our team is ready to address any HVAC issue you face, big or small, ensuring your system operates smoothly and efficiently year-round.
Why San Luis Obispo Residents Trust Straight Line Heating and Cooling
Choosing the right HVAC company is crucial for your home's comfort and the longevity of your system. In San Luis Obispo, homeowners rely on us for several key reasons:
- Local Expertise: We aren't just another service provider; we are part of the San Luis Obispo community. This local focus means we understand the specific demands placed on HVAC systems by the regional climate and the diverse range of housing types found here, from historic homes to modern constructions.
- Experienced & Qualified Technicians: Our team consists of highly trained and certified professionals. They possess the knowledge and skills to diagnose issues accurately and perform repairs, installations, and maintenance with precision and care. We invest in ongoing training to stay current with the latest HVAC technologies and best practices.
- Commitment to Quality Service: We pride ourselves on delivering top-tier service. From the moment you contact us, you'll experience prompt responses, clear communication, and respectful interactions. Our technicians work cleanly and efficiently, treating your home as they would their own.
- Reliable Solutions: We aim to provide lasting solutions, not quick fixes. Whether it's a complex AC repair or a complete system HVAC installation, we use quality parts and proven methods to ensure your system's reliability and performance.
We stand behind our work, offering service guarantees that provide peace of mind. We also offer a price match guarantee from any reputable local company, ensuring you receive fair value for expert service.

Comprehensive HVAC Services Offered
Our goal is to be your one-stop shop for all your home comfort needs in San Luis Obispo. We provide a wide range of services, including:
- Air Conditioning Services: Stay cool and comfortable throughout the warmer months. Our air conditioning services include expert AC repair, AC installation and replacement, routine AC maintenance, AC service, and detailed AC tune-ups to maximize efficiency and prevent breakdowns.
- Heating Services: Keep your home warm and cozy when temperatures drop. We handle all aspects of heating services, including furnace repair, furnace installation, and furnace replacement.
- Heat Pumps: For energy-efficient heating and cooling, heat pumps are an excellent option. We offer expert repair, installation, and maintenance for heat pump systems, providing year-round comfort.
- Ductless & Mini Split Systems: Ideal for additions, garages, or spaces without existing ductwork, mini split systems provide targeted heating and cooling. Our services cover mini split repair, mini ductless AC, mini split AC, and mini split installation.
- Comprehensive HVAC Care: Our general HVAC services cover everything from routine HVAC service and maintenance to major HVAC repair, installation, and replacement for your entire system.
- Indoor Air Quality Solutions: Improve the health and comfort of your home environment. Our indoor air quality services include duct cleaning to remove dust and allergens, whole home air purification, whole home air filtration, and vent cleaning, including dryer vent cleaning.
We work with leading brands known for reliability and efficiency, including Trane and Mitsubishi, ensuring you get premium products paired with our expert service.
Serving the San Luis Obispo Community
Our roots are local, and our focus is on serving our neighbors in San Luis Obispo. We understand the specific needs of homes in neighborhoods across the city. Our team is dedicated to providing prompt, reliable service whenever you need it. Whether you're near the Cal Poly campus, downtown SLO, or out in the surrounding areas, we are here to ensure your home comfort systems are running efficiently.
Emergency HVAC Services in San Luis Obispo
HVAC emergencies don't always happen during regular business hours. That's why we offer 24/7 emergency HVAC services in San Luis Obispo. If your system fails unexpectedly, especially during extreme weather, you can count on us for prompt assistance to restore your home's comfort and safety.
Financing Options and Promotions
We understand that HVAC services can be a significant investment. To help make comfort more affordable, we offer financing options, including 0% financing for 12 months with deferred interest on select plans. We also have ongoing promotions, such as 10% off service and repairs for military personnel and seniors.
Our Service Process
When you contact Straight Line Heating and Cooling for service in San Luis Obispo, here's a general idea of what to expect:
- Scheduling: We work with you to schedule a convenient appointment time.
- Assessment: A qualified technician will arrive at your home, assess your system or needs, and diagnose any issues.
- Explanation & Estimate: They will clearly explain the problem or recommended service and provide a detailed estimate for the work required.
- Service Execution: Upon your approval, the technician will complete the repair, installation, or maintenance efficiently and effectively.
- Cleanup & Follow-Up: We clean up the work area thoroughly and ensure you are satisfied with the service before leaving.
Our commitment is to provide a smooth, hassle-free experience from start to finish.
Your Comfort, Our Priority
At Straight Line Heating and Cooling, your home comfort is our mission. With deep roots in the San Luis Obispo community, certified technicians, and a comprehensive suite of HVAC services, we’re the trusted name residents rely on year-round. From emergency repairs and system upgrades to air quality improvements and seasonal maintenance, we deliver solutions that prioritize efficiency, reliability, and value.
Call us today to schedule your HVAC service or request a free estimate. Experience the difference of working with San Luis Obispo’s trusted HVAC experts, where your comfort always comes first.


Featured Manufacturers
We proudly install and service top-performing systems from Trane and Mitsubishi industry leaders known for reliability, innovation, and energy efficiency. When you choose Straight Line, you're getting premium products backed by expert installation and support.



