Top Picks · Fullerton
Best HVAC Companies in Fullerton, CA
Rated and reviewed by real customers. Compare prices, read reviews, and call the top pros near you — for free.
As of June 2026, RatingsNearMe ranks 12 hvac companies in Fullerton, CA by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is AARD Mechanical Air Conditioning & Heating with a 4.9-star rating from 582 Google reviews and an RNM Score of 87/100. Also in the top tier: Evolution Heating and Air Conditioning and Jamison Heating & Cooling Services, Inc.. The average rating across all listed hvac companies in Fullerton is 4.9 stars from 193 reviews per business on average.
HVAC service in Fullerton: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Fullerton, CA is home to a variety of HVAC companies that provide heating, ventilation, and air conditioning services to local residents and businesses. Consumers should research licensed, reputable providers to ensure quality work and safety.
- ✓Fullerton has multiple HVAC companies to choose from
- ✓HVAC services include installation, repair, and maintenance
- ✓It's important to hire licensed and experienced HVAC technicians
Best Overall
AARD Mechanical Air Conditioning & Heating
It consistently appears as a top-ranked provider in Fullerton, offering reliable service and strong customer satisfaction.
Most Reviewed
Penguin Heating and Air
A high review count indicates a large customer base and proven track record over time.
When choosing an HVAC service in Fullerton, consider both online reviews and response times, and request detailed quotes to avoid unexpected costs. Always verify licensing and insurance.
How to Choose a HVAC Companie in Fullerton
What to look for
- • Licensed and insured HVAC contractors
- • Experienced technicians with proper training and certifications
- • Detailed written estimates and warranties
- • Positive online reviews and references from past customers
Questions to ask
- • How long have you been in business in the Fullerton area?
- • What types of HVAC systems do you specialize in?
- • Can you provide a detailed written estimate with a breakdown of parts and labor costs?
Red flags
- ⚠ Contractors without a physical business address in Fullerton
- ⚠ Unusually low estimates that seem too good to be true
- ⚠ Unwillingness to provide licensing information or proof of insurance
In California, HVAC contractors must be licensed by the Contractors State License Board (CSLB) and carry liability insurance. Be sure to verify a contractor's license and insurance coverage before hiring.
Local Market Snapshot
12
Businesses listed
4.9★
Avg rating
193
Avg reviews
Jun 10, 2026
Last updated
Top Rated HVAC Companies
Trusted by hundreds of local customers with a near-perfect 4.9-star rating.
855 W Lambert Rd, Brea, CA 92821, USAFullerton's top-rated HVAC company with a stellar 4.9★ average from hundreds of reviews.
1334 E Orangethorpe Ave, Fullerton, CA 92831, USAFullerton's top-rated HVAC provider with a 4.9-star rating from hundreds of reviews.
3519 W Commonwealth Ave H, Fullerton, CA 92833, USAHVAC Companies Rankings in Fullerton, CA
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | AARD Mechanical Air Conditioning & Heating855 W Lambert Rd, Brea, CA 92821, USA | 4.9★ | 582 |
| #2 | Evolution Heating and Air Conditioning1334 E Orangethorpe Ave, Fullerton, CA 92831, USA | 4.9★ | 367 |
| #3 | Jamison Heating & Cooling Services, Inc.3519 W Commonwealth Ave H, Fullerton, CA 92833, USA | 4.9★ | 359 |
| #4 | One Hour Heating & Air Conditioning4060 N Palm St STE. 602, Fullerton, CA 92835, USA | 4.9★ | 69 |
| #5 | Cool Air Fullerton618 E Commonwealth Ave, Fullerton, CA 92831, USA | 5.0★ | 18 |
| #6 | Rosag HVAC Solutions Fullerton110 W Wilshire Ave, Fullerton, CA 92832, USA | 5.0★ | 12 |
| #7 | Air Mighty Refrigeration and Air Conditioning2522 Pearson Ave, Fullerton, CA 92831, USA | 4.8★ | 44 |
| #8 | HVAC: Heating & Air Conditioning Inc118 W Wilshire Ave, Fullerton, CA 92832, USA | 5.0★ | 7 |
| #9 | Smartсhoice Heating & Air Repair655 S State College Blvd Unit 29, Fullerton, CA 92831, USA | 4.9★ | 183 |
| #10 | Tria Air conditioning Pros1400 N Harbor Blvd, Fullerton, CA 92835, USA | 4.9★ | 40 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Fullerton
4060 N Palm St STE. 602, Fullerton, CA 92835, USA
110 W Wilshire Ave, Fullerton, CA 92832, USA
2522 Pearson Ave, Fullerton, CA 92831, USA
118 W Wilshire Ave, Fullerton, CA 92832, USA
Fullerton HVAC with a 4.9-star rating from over 180 reviews.
655 S State College Blvd Unit 29, Fullerton, CA 92831, USA
Trusted by hundreds of local customers with a strong 4.7-star rating.
110 E Wilshire Ave Suite G-5, Fullerton, CA 92832, USA
5.0 stars from 152 Google reviews for HVAC service in Fullerton.
940 S Placentia Ave # L, Placentia, CA 92870, USA
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HVAC Companies in Fullerton, CA — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | AARD Mechanical Air Conditioning & Heating | 87/100 | 4.9 ★ | 582 |
| 2 | Evolution Heating and Air Conditioning | 87/100 | 4.9 ★ | 367 |
| 3 | Jamison Heating & Cooling Services, Inc. | 87/100 | 4.9 ★ | 359 |
| 4 | One Hour Heating & Air Conditioning | 80/100 | 4.9 ★ | 69 |
| 5 | Cool Air Fullerton | 74/100 | 5.0 ★ | 18 |
| 6 | Rosag HVAC Solutions Fullerton | 72/100 | 5.0 ★ | 12 |
| 7 | Air Mighty Refrigeration and Air Conditioning | 76/100 | 4.8 ★ | 44 |
| 8 | HVAC: Heating & Air Conditioning Inc | 70/100 | 5.0 ★ | 7 |
| 9 | Smartсhoice Heating & Air Repair | 85/100 | 4.9 ★ | 183 |
| 10 | Tria Air conditioning Pros | 77/100 | 4.9 ★ | 40 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — HVAC Companies in Fullerton
How do I find the best hvac companies in Fullerton?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Fullerton on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Fullerton licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, CA requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Fullerton, CA?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Fullerton?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 10, 2026.
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