Glendora, CA · Updated Nov 2026

37 HVAC contractors in Glendora: 36 with a license we could verify.

AirProHQ lists 37 heating and cooling companies in Glendora, CA; 36 (97%) match a license on the CSLB register. The 91741, 91740, 91471 ZIP codes hold 100% of them. These listings come from the license register rather than review sites, so most carry no public rating — a verified license with no reviews is normal here, not a warning sign.

Glendora at a glance
License boardCSLB · number on every ad
Licenses renewing within 90 days1
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

37Contractors listed
36License-verified · 97%

36 license-verified shown first, then 1 unverified · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in Glendora, CA

License verified

HVAC Tech

91740 · 1.8 miLicense 1127005 · to 2028
Public reviewsNone on file
License verified

Re Air Inc

91741 · under ½ mileLicense 595054 · to 2028
Public reviewsNone on file
Where they're based

3 ZIP codes hold 100% of Glendora's listed offices

Counted from the office address on each record. A contractor based near you usually means a shorter response window on a hot afternoon.

  1. 019174124
  2. 029174012
  3. 03914711
Cal-West MechanicalJet Air SolutionsRS Air Conditioning & HeatingSean Patrick hvacSimply Efficient Heating and Air Conditioning incO'mahony Air Conditioning And Heating IncAir Control Contractors - Heating And Air ConditioningWells Development And Construction IncNava Luis EdgarGlendora Plumbing & Heating IncCanyon City AirIcy Hot Heating & Air ConditioningAmeduri Heating & Air Conditioning IncAccurate Electric, Plumbing, Heating And AirOptimum Heating And Air ConditioningAir Trim Heating And Air ConditioningR D Smith Heating And A CUsa Electricians Service IncComfort Zone IncM & K Electrical & Plumbing Heating & Air ConditioningNoy's Air Conditioning And HeatingRe Air IncJordanair IncCypress Heating & Air Conditioning IncKing UnlimitedAe Technic IncP & A MechanicalGlendora Hills Ac And HeatHVAC TechEikon HVAC IncWen Yuan FanCooler Days HVACLugg HVAC Services 9174191740
35 of 37 listings have a geocoded office address. Dots are offices, not service areas.License verifiedNot verified24/7
Know the fair price

What HVAC work costs in Glendora

National 2026 ranges from our cost guides. Ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost
Diagnostic / service call$75 – $200
Capacitor replacement$100 – $250
Refrigerant recharge$200 – $600
Compressor replacement$1,300 – $2,800
Central air conditioner$3,900 – $7,900
Full HVAC (furnace + AC)$5,000 – $12,500
Glendora FAQ

Hiring an HVAC contractor in Glendora

Answers built from Glendora's own listing data.

01

How do I check a Glendora HVAC contractor's license?

Ask for the license number and search it on the CSLB lookup (official site). 36 of the 37 listings here already match a license on the register; each of those profiles links straight to the lookup.

02

Why do most Glendora listings show no reviews?

Our Glendora data comes from the CSLB license register, not from review sites, so many licensed one-truck operations have no public review profile. A verified license with no reviews is not a red flag — ask for two recent local references instead.