Blogs

How to Prepare Your Furnace for Cooler November Nights in Anaheim, CA

October 19, 2026 | by Jason Ryan

November in Anaheim, CA, brings cooler mornings and chilly nights. While the afternoons may still feel warm, nighttime temperatures often...

How to Keep Your Anaheim Home Cool During an October Heat Wave

October 10, 2026 | by Jason Ryan

Anaheim can still get very hot in October, and a heat wave can make your home uncomfortable even when your...

How to Choose the Right HVAC Repair Company in Anaheim

September 28, 2026 | by Jason Ryan

The right HVAC repair company in Anaheim, CA holds an active state license, offers same-day AC service, and gives you...

How Do You Know When Old Ductwork Has Reached the End of Its Life?

September 27, 2026 | by Jason Ryan

Homeowners typically need to replace old air ducts after 15 to 25 years, or sooner if the ducts show physical...

Is Fall a Good Time to Install a New AC System in Anaheim, CA?

September 26, 2026 | by Jason Ryan

Yes, fall is one of the best times for AC replacement in Anaheim, since contractors typically have more availability once...

What Should You Expect During an AC Repair Service Call in Anaheim?

September 25, 2026 | by Jason Ryan

An HVAC repair company in Anaheim, CA typically follows four steps on a service call: diagnosis, written estimate, repair, and...

Can HVAC Installation Affect Your Anaheim Home’s Resale Value?

September 24, 2026 | by Jason Ryan

Yes, a new HVAC system can affect your home’s resale value, and real estate professionals consistently rank heating and cooling...

Can You Replace Air Ducts Without Opening Up the Entire House?

September 23, 2026 | by Jason Ryan

Yes, in most homes, we can replace old air ducts through existing attic, crawlspace, or closet access points without tearing...

How Can I Tell If the Attic in My Anaheim Home Has Enough Insulation?

September 21, 2026 | by Jason Ryan

Most Anaheim attics need at least R-38 insulation, and R-49 if the attic was never insulated. If wooden joists poke...

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Our Service Areas

Headquartered in Anaheim, CA, Four Seasons Heating & Air proudly serves homeowners and businesses across Orange County, Riverside County, San Bernardino County, and Los Angeles County with reliable HVAC repair, installation, and maintenance services. From fast AC repairs to full system replacements, our licensed team brings honest, high-quality comfort solutions to every home we visit.

Orange County

Anaheim
Brea
Buena Park
Yorba Linda
Anaheim Hills
Fullerton
Garden Grove
Orange
Placentia
La Habra
Costa Mesa
Cypress
Dana Point
Fountain Valley
Huntington Beach
Irvine
Laguna Beach
Laguna Hills
Laguna Niguel
Lake Forest
Mission Viejo
Newport Beach
Rancho Santa Margarita
San Clemente
San Juan Capistrano
Santa Ana
Stanton
Tustin
Villa Park
Westminster

Riverside County

Corona
Coronita
El Cerrito
Home Gardens
Norco
Eastvale
El Sobrante
Temescal Valley
Riverside
Arlington
La Sierra
Woodcrest
Lake Mathews
Perris
Lake Elsinore
Wildomar
Murrieta
Menifee

Los Angeles County

Los Angeles
Whittier
La Mirada
Cerritos
Artesia
Bellflower
Norwalk
Downey
Pico Rivera
Montebello
Hacienda Heights
Rowland Heights
Diamond Bar
Walnut
La Habra Heights
Industry
La Puente
Lakewood
Hawaiian Gardens
Long Beach

San Bernardino County

Chino
Chino Hills
Ontario
Rancho Cucamonga
Upland
Montclair
Fontana
Rialto
Bloomington
Colton
Grand Terrace
Loma Linda
Redlands
Highland
Yucaipa

Our HVAC Services

Explore Our Full HVAC Services

We provide complete heating and cooling solutions to keep your home or business comfortable and efficient in every season. Serving Anaheim, CA, all of Orange County, Riverside County, San Bernardino County, and the Los Angeles area.

Air Conditioning Services

Stay cool in our Southern California heat with professional air conditioning repair, installation, and maintenance from our trusted technicians. We help Anaheim homeowners enjoy reliable comfort with energy efficient cooling systems built to last.

Heating Services

Keep your home warm and worry free with expert furnace repair, installation, and tune ups from our licensed team. We deliver dependable heating solutions backed by honesty, experience, and a commitment to your comfort.

Customer Reviews

Our Customers Love Us

We’re proud of our 5-star reputation across Anaheim, Orange County, Riverside County, Los Angeles County, and San Bernardino County. Check out what your neighbors have to say about our service here at Four Seasons Heating & Air, and give us a call for any of your home HVAC needs! Read more customer testimonials on Google reviews.

      EXCELLENT  
   Based on 340 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   esmeralda figueroa 
 
 
 
 Trustindex verifies that the original source of the review is Google. Thanks to Kevon for coming out ! Was super thorough , friendly, and professional!
  
 
      Posted on Google  
   
   kellie clayton 
 
 
 
 Trustindex verifies that the original source of the review is Google. Friendly and efficient staff…thank you so much
  
 
      Posted on Google  
   
   Jason Brown 
 
 
 
 Trustindex verifies that the original source of the review is Google. We had Kevon finish up our job. Very polite and professional.
  
 
      Posted on Google  
   
   Maddi Lynch 
 
 
 
 Trustindex verifies that the original source of the review is Google. I am in Long Beach and Jesus was on time and immensely helpful with advice on my units!
  
 
      Posted on Google  
   
   gissel carrillo 
 
 
 
 Trustindex verifies that the original source of the review is Google. Good service from kevion
  
 
      Posted on Google  
   
   Brian Sievert 
 
 
 
 Trustindex verifies that the original source of the review is Google. The two technicians that came (Jesus and Hector)to work on our air-conditioning unit were very polite,  patient and helpful. Jesus even took the time to answer my questions through text while he was coming and going from other jobs.  They explained everything very well and were willing to make adjustments according to how we wanted to proceed. Hector spent a lot of time climbing around my very small and difficult attic. I would absolutely use this company again moving forward.
  
 
      Posted on Google  
   
   Nasima Shelly 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jesus was great. He gave us his true and honest  review of our system. He came to our house in Anaheim. Super happy with him
  
 
      Posted on Google  
   
   Mike Maguire 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jesus was at my house in Placentia. My new ac wasnt working. He got it working right away. I am very thankful for him
  
 
      Posted on Google  
   
   Jen Brandenburg 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jesus was great. Very knowledgeable and helpful!
  
 
      Posted on Google  
   
   marcy Garcia 
 
 
 
 Trustindex verifies that the original source of the review is Google. Hector was outstanding.  Great customer service.  He explained everything in a way for me to understand

Serving Residential & Light Commercial Clients with Reliable HVAC and Plumbing Solutions

Serving Residential & Light Commercial Clients with Reliable HVAC Solutions

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