Heat Pumps - Install or Repair, Gas or Electric Furnaces - Install or Repair, Central Air Conditioners - Install or Repair
"Leonard & crew are the best. The best I have ever had."
Stephen B. in August 2016
HVAC, Insulation, Duct Cleaning , and 2 more
"This company is reliable, dependable and installs quickly and leaves the area clean. I highly recommend this company for your heating and cooling needs."
Mitzi E. in December 2022
HVAC, Commercial HVAC, Residential HVAC
"Most affordable of all the companies we bid.. Communicative, quick, professional"
Steven M. in December 2021
HVAC, HVAC, Package Unit installation , and 3 more
"Iâ  ve had my AC for a couple of years running well until this summer it broke down and I needed to repair ASAP. I reached out and had someone come down to have a look at it. They were completely honest with me and were informed it only needed a few repairs. I got my AC working right away. I would fully recommend them to my family and friends."
Stephanie B. in October 2024
HVAC, Adding Central Heating & Cooling Systems, Zoning Systems , and 3 more
"I had estimates from four HVAC companies. Hilo Aire speaks VOLUMES without any regrets. Everything from A to Z went beyond my expectations. The crews were so good that they took their time to inspect and install the cooling and heating systems. I’m truly IMPRESSED. Ask for Chad and/or Brett. KUDOS to them and the crews."
Daniel H. in November 2023
HVAC, Insulation, Roofing , and 2 more
"Great experience. Highly professional"
Heather S. in December 2023
Air Conditioning, Indoor Air Quality, Service / Repair , and 2 more
"They did a very good job and I was very happy with their work. Their quote was great as well. This was for out business and we would highly recommend them. LA Canada ARCO"
David W. in February 2017
In business since 2020
About us: "Welcome to Sean Patrick HVAC, Your Trusted HVAC Contractor Serving SOCAL, CA and Surrounding Areas. For over 10 years, we’ve provided exceptional HVAC repairs, HVAC replacement, air conditioning maintenance, furnace replacement, and indoor air quality services for residential and commercial customers. Our NATE-certified technicians have the experience and expertise to correctly diagnose and repair all makes and models of HVAC systems. We offer 24/7 emergency HVAC repair service, so you’re never left in the cold or heat. As your local HVAC contractor, we provide: HVAC Repairs – Get your AC, furnace, or heat pump running again quickly with our skilled repair technicians HVAC Replacement – We replace old, inefficient HVAC systems with new top brand models properly sized for your home/business Air Conditioning Maintenance – Preventative maintenance maximizes the lifespan of your AC system Furnace Replacement – We replace broken furnaces with energy efficient new models"
"I had Mammoth Air install a 3 zone mini-split and they were by FAR the best price. They were very responsive and spent the time to accommodate my HOA’s requirements. Their customer service was excellent and they were very personable and did an excellent job!"
Alice R. in September 2024
Altadena Heating & Furnace Contractors are rated 4.8 out of 5 based on 811 reviews of 811 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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