HVAC Contractors in Diamond Bar, CA
Compare 25 hvac contractors in Diamond Bar by HomeProFax Score v2 (license, discipline, permits, BBB + HomeProFax reviews). Always verify license status with the issuing board before hiring.
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HVAC Contractor · 12 permitsActive license Score 88 Full reportFour Seasons Air Conditioning And Heating
HVAC Contractor · 11 permitsActive license Score 88 Full reportGreen Air & Refrigeration
HVAC Contractor · 12 permitsActive license Score 88 Full reportCal Steam Company
Boiler, Hot Water Heating and Steam Fitting Contractor · 8 permitsActive license Score 83 Full reportMac Refrigeration And Air Conditioning Co
HVAC Contractor · 3 permitsActive license Score 83 Full reportService Wizards
HVAC Contractor · 3 permitsActive license Score 83 Full reportAC Heat Diamond Bar
HVAC ContractorActive license Score 73 License record Score based on limited dataAce Rodil Heating And Air Conditioning
HVAC ContractorActive license Score 73 License record Score based on limited dataAllwayz Heating & Air Conditioning Inc
HVAC ContractorActive license Score 73 License record Score based on limited dataClimate Specialists
HVAC ContractorActive license Score 73 License record Score based on limited dataDaley Kenneth Heating & Air Services
HVAC ContractorActive license Score 73 License record Score based on limited dataGary's AC Services
HVAC ContractorActive license Score 73 License record Score based on limited dataHigh Noon Air
HVAC ContractorActive license Score 73 License record Score based on limited dataHonest Pro Air Conditioning And Heating
HVAC ContractorActive license Score 73 License record Score based on limited dataL B Air Conditioning
HVAC ContractorActive license Score 73 License record Score based on limited dataLanyi Usa Inc
HVAC ContractorActive license Score 73 License record Score based on limited dataLikai Chen HVAC Inc
HVAC ContractorActive license Score 73 License record Score based on limited dataMcmaster Mechanical
HVAC ContractorActive license Score 73 License record Score based on limited dataMedrara HVAC
HVAC ContractorActive license Score 73 License record Score based on limited dataMr a/c
HVAC ContractorActive license Score 73 License record Score based on limited dataPlhk HVAC Inc
HVAC ContractorActive license Score 73 License record Score based on limited dataWu Chung Chieh
HVAC ContractorActive license Score 73 License record Score based on limited dataYq Air Condition Solution
HVAC ContractorActive license Score 73 License record Score based on limited dataYuze Air Conditioning
HVAC ContractorActive license Score 73 License record Score based on limited dataZy HVAC Equipment Services
HVAC ContractorActive license Score 73 License record Score based on limited data
How to hire in Diamond Bar
Check the license is active, look at permit history for jobs like yours, read the BBB and HomeProFax review components in the score breakdown, and use the outbound Google/BBB links on each profile to cross-check external reviews (we link out — we do not store Angi, Yelp or Google ratings).
HVAC Contractors in Diamond Bar — common questions
How do I check if a Diamond Bar contractor is licensed?
Open any profile above to see its license status, issuing board and expiry date from public records, then verify it with the California licensing board before you hire. You can also search a business name or license number on HomeProFax.
How many hvac contractors are listed in Diamond Bar?
This page lists 25 hvac contractors in Diamond Bar, ranked by HomeProFax Score v2.
What does the HomeProFax score mean?
The score (0-100) sums license status (35), discipline and legal flags (20), permit history (20), and BBB plus HomeProFax homeowner reviews (25). It is not a rating of workmanship. See how scores work.