AirProHQ
San Dimas, CA · Updated Nov 2026

20 HVAC contractors in San Dimas: every one with a license we could verify.

AirProHQ lists 20 heating and cooling companies in San Dimas, CA, every one matched to a license on the CSLB register. 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.

San Dimas at a glance
License boardCSLB · number on every ad
Licenses renewing within 90 days2
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

20Contractors listed
20License-verified · 100%

20 license-verified shown first · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in San Dimas, CA

License verified

Dms Air Inc

91773 · under ½ mileLicense 1086341 · to 2028
Public reviewsNone on file
CallProfile
License verified

R C S

91773 · 0.6 miLicense 919205 · to 2028
Public reviewsNone on file
CallProfile
Where they're based

Where San Dimas's contractors are based

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

Rain Bow Heating & Air IncR C SArsenal HVAC IncWade Martin EDms Air IncEqual Air BalanceAthena Engineering IncFranklin Heating And Air ConditioningEasy Breezy Air IncJ B Kitchens Baths & Design IncAdvanced Plumbing Heating And Air Conditioning IncMuller Dan Heating And Air ConditioningMontes Daniel & Son Air Conditioning And HeatingWard's Heating & Air ConditioningMartinez Climate ControlUrbina EdwinDdac Services Inc 91773
18 of 20 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 San Dimas

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
Sources: AC repair cost guide · HVAC replacement cost guide
San Dimas FAQ

Hiring an HVAC contractor in San Dimas

Answers built from San Dimas's own listing data.

01

How do I check a San Dimas HVAC contractor's license?

Ask for the license number and search it on the CSLB lookup (official site). 20 of the 20 listings here already match a license on the register; each of those profiles links straight to the lookup.

02

Why do most San Dimas listings show no reviews?

Our San Dimas 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.

HVAC contractors near San Dimas

All California cities
La Verne30 contractors · 30 licensed · 2 miGlendora37 contractors · 36 licensed · 3 miPomona28 contractors · 28 licensed · 4 miCovina25 contractors · 25 licensed · 4 miClaremont7 contractors · 7 licensed · 5 miAzusa16 contractors · 16 licensed · 6 miWest Covina49 contractors · 49 licensed · 7 miWalnut22 contractors · 22 licensed · 7 miDiamond Bar35 contractors · 35 licensed · 7 miMontclair10 contractors · 10 licensed · 7 mi