20 AC Replacement Contractors in Fullerton, CA
Top-Rated AC Replacement Contractors in Fullerton
The Water Heater Warehouse
“Across five recent reviews, every customer awarded five stars and specifically mentioned either Chris Thorne or the installation crew for professionalism and…”
Avis Plumbing and Air
“Four separate five-star reviews specifically mention technician John or JR, praising his thorough diagnostics, patient explanations, and fair pricing on both…”
All AC Replacement Contractors (20 total)
Bestrux Mobile Truck & Trailer Road Service
“All eight reviewed customers awarded 5-star ratings, with six reviews specifically citing response times…”
One Hour Heating & Air Conditioning
“The 4.9-star average across 70 reviews tells a story of dependable service, with technicians repeatedly…”
LH Construction
“All 23 reviewers award 5 stars, with 6 specifically praising the crews for maintaining a spotless work area…”
Cool Air Fullerton
“Every one of the 18 reviewers awarded 5 stars, and most include specifics rather than vague praise. Four…”
Eco Fresh HVAC Inc.
“All five visible reviews award five stars and cite the same-day completion timeline, whether for a ceiling…”
Base Structural
“All five documented reviews award perfect 5-star ratings, with customers specifically naming team members…”
Rosag HVAC Solutions Fullerton
“All 12 reviewers award five stars, with six explicitly calling out the company's same-day response capability…”
Advanced Climate Technologies
“Every one of the seven reviews awards five stars, with four explicitly naming owner Jonathan Payne as the…”
Green Savings Solutions Inc.
“4 of 6 visible reviewers gave Green Savings Solutions a five-star rating, with most positive mentions citing…”
Heating & Air-Conditioning
“Five of eight reviewers awarded five stars, with all positive accounts mentioning prompt arrival and…”
Precision Heating and Air
“All four reviews award five stars, with customers specifically praising efficient project timelines, thorough…”
Fullerton Appliance Repair
“Two of three reviews award 5 stars, praising fast response times and fair dealings. The lone negative review…”
Refrigeration Unlimited
“Two of four reviewers awarded five stars, with Freddy Ventura highlighting exceptional customer service and…”
Total Refrigeration & Air Conditioning
“The sole review on record awards Total Refrigeration & Air Conditioning a perfect 5 stars. Austin P.…”
Evergreen Air Conditioning Maintenance
“No verified customer reviews exist in public directories for Evergreen Air Conditioning Maintenance. The…”
AC Replacement Costs in Fullerton
Replacement costs for aging systems in Fullerton. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $5,060 | $7,360 | $10,120 |
Central AC (4-ton, mid-efficiency) | $6,900 | $9,660 | $12,880 |
Central AC (5-ton, high-efficiency) | $8,740 | $11,500 | $14,720 |
Full HVAC system (AC + furnace) | $10,663 | $12,356 | $12,972 |
Plus ductwork replacement If existing ducts are aged/leaking | $1,932 | $2,760 | $3,680 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Fullerton, CA: What to Expect
Fullerton sits inside the Los Angeles metro’s mild Mediterranean sweep, with summer highs near 84°F but inland spikes from Santa Ana winds that can push relief-seeking residents to replace aging systems. That variability keeps demand steady for ac-replacement Fullerton jobs; 19 contractors serve the area, averaging a 3.8 rating across 2,378 reviews, and eight of those firms advertise 24/7 availability for emergency needs.
Specific line-item cost data wasn’t provided, so homeowners should expect variability driven by unit size, efficiency rating, and ductwork condition rather than a single price point. Permitting and work must be performed by a licensed professional: California requires the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB. Ask contractors for itemized estimates, projected energy savings, and timeline specifics before signing any agreement.
Customer highlights were not included in the brief, so prospective buyers should watch review patterns: responsiveness, adherence to quoted scope, and post-installation follow-up matter most. Given the mixed average rating, prioritize firms with clear warranties, documented references, and transparent change-order policies. For peak-heat scenarios, confirm how a contractor schedules installations around Santa Ana events and whether they offer temporary cooling solutions during replacement.
Frequently Asked Questions
Other HVAC Services in Fullerton, CA
All HVAC Contractors in Fullerton, CA
Complete directory of 56 contractors — browse alphabetically
A–Z
All HVAC Contractors in Fullerton, CA
Complete directory of 56 contractors — browse alphabetically
A
- Advanced Climate Technologies
- AIR COMBAT USA, INC.
- Air Conditioning & Heating Repair
- Air Filter Supply
- Air Mighty Refrigeration and Air Conditioning
- All for your air - air conditioner repair
- All Seasons Cooling & Heating
- American Mechanical Services
- Anderson Air Conditioning L.P.
- Anthony's Reliable Heating & AC
- Avis Plumbing and Air